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b311480e | 1 | // Created on: 2000-11-23 |
2 | // Created by: Michael KLOKOV | |
3 | // Copyright (c) 2000-2012 OPEN CASCADE SAS | |
4 | // | |
5 | // The content of this file is subject to the Open CASCADE Technology Public | |
6 | // License Version 6.5 (the "License"). You may not use the content of this file | |
7 | // except in compliance with the License. Please obtain a copy of the License | |
8 | // at http://www.opencascade.org and read it completely before using this file. | |
9 | // | |
10 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its | |
11 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. | |
12 | // | |
13 | // The Original Code and all software distributed under the License is | |
14 | // distributed on an "AS IS" basis, without warranty of any kind, and the | |
15 | // Initial Developer hereby disclaims all such warranties, including without | |
16 | // limitation, any warranties of merchantability, fitness for a particular | |
17 | // purpose or non-infringement. Please see the License for the specific terms | |
18 | // and conditions governing the rights and limitations under the License. | |
19 | ||
7fd59977 | 20 | |
21 | ||
22 | #include <IntTools_FaceFace.ixx> | |
23 | ||
24 | #include <Precision.hxx> | |
25 | ||
26 | #include <TColStd_HArray1OfReal.hxx> | |
27 | #include <TColStd_Array1OfReal.hxx> | |
28 | #include <TColStd_Array1OfInteger.hxx> | |
29 | #include <TColStd_SequenceOfReal.hxx> | |
30 | #include <TColStd_ListOfInteger.hxx> | |
31 | #include <TColStd_ListIteratorOfListOfInteger.hxx> | |
32 | #include <TColStd_Array1OfListOfInteger.hxx> | |
33 | ||
34 | #include <gp_Lin2d.hxx> | |
35 | #include <gp_Ax22d.hxx> | |
36 | #include <gp_Circ2d.hxx> | |
37 | #include <gp_Torus.hxx> | |
38 | #include <gp_Cylinder.hxx> | |
39 | ||
40 | #include <Bnd_Box.hxx> | |
41 | ||
42 | #include <TColgp_HArray1OfPnt2d.hxx> | |
43 | #include <TColgp_SequenceOfPnt2d.hxx> | |
44 | #include <TColgp_Array1OfPnt.hxx> | |
45 | #include <TColgp_Array1OfPnt2d.hxx> | |
46 | ||
47 | #include <IntAna_QuadQuadGeo.hxx> | |
48 | ||
49 | #include <IntSurf_PntOn2S.hxx> | |
50 | #include <IntSurf_LineOn2S.hxx> | |
51 | #include <IntSurf_PntOn2S.hxx> | |
52 | #include <IntSurf_ListOfPntOn2S.hxx> | |
53 | #include <IntRes2d_Domain.hxx> | |
54 | #include <ProjLib_Plane.hxx> | |
55 | ||
56 | #include <IntPatch_GLine.hxx> | |
57 | #include <IntPatch_RLine.hxx> | |
58 | #include <IntPatch_WLine.hxx> | |
59 | #include <IntPatch_ALine.hxx> | |
60 | #include <IntPatch_ALineToWLine.hxx> | |
61 | ||
62 | #include <ElSLib.hxx> | |
63 | #include <ElCLib.hxx> | |
64 | ||
65 | #include <Extrema_ExtCC.hxx> | |
66 | #include <Extrema_POnCurv.hxx> | |
67 | #include <BndLib_AddSurface.hxx> | |
68 | ||
69 | #include <Adaptor3d_SurfacePtr.hxx> | |
70 | #include <Adaptor2d_HLine2d.hxx> | |
71 | ||
72 | #include <GeomAbs_SurfaceType.hxx> | |
73 | #include <GeomAbs_CurveType.hxx> | |
74 | ||
75 | #include <Geom_Surface.hxx> | |
76 | #include <Geom_Line.hxx> | |
77 | #include <Geom_Circle.hxx> | |
78 | #include <Geom_Ellipse.hxx> | |
79 | #include <Geom_Parabola.hxx> | |
80 | #include <Geom_Hyperbola.hxx> | |
81 | #include <Geom_TrimmedCurve.hxx> | |
82 | #include <Geom_BSplineCurve.hxx> | |
83 | #include <Geom_RectangularTrimmedSurface.hxx> | |
84 | #include <Geom_OffsetSurface.hxx> | |
85 | #include <Geom_Curve.hxx> | |
86 | #include <Geom_Conic.hxx> | |
87 | ||
88 | #include <Geom2d_TrimmedCurve.hxx> | |
89 | #include <Geom2d_BSplineCurve.hxx> | |
90 | #include <Geom2d_Line.hxx> | |
91 | #include <Geom2d_Curve.hxx> | |
92 | #include <Geom2d_Circle.hxx> | |
93 | ||
94 | #include <Geom2dAPI_InterCurveCurve.hxx> | |
95 | #include <Geom2dInt_GInter.hxx> | |
96 | #include <GeomAdaptor_Curve.hxx> | |
97 | #include <GeomAdaptor_HSurface.hxx> | |
98 | #include <GeomAdaptor_Surface.hxx> | |
99 | #include <GeomLib_CheckBSplineCurve.hxx> | |
100 | #include <GeomLib_Check2dBSplineCurve.hxx> | |
101 | ||
102 | #include <GeomInt_WLApprox.hxx> | |
103 | #include <GeomProjLib.hxx> | |
104 | #include <GeomAPI_ProjectPointOnSurf.hxx> | |
105 | #include <Geom2dAdaptor_Curve.hxx> | |
7fd59977 | 106 | #include <TopoDS.hxx> |
107 | #include <TopoDS_Edge.hxx> | |
108 | #include <TopExp_Explorer.hxx> | |
109 | ||
110 | #include <BRep_Tool.hxx> | |
111 | #include <BRepTools.hxx> | |
112 | #include <BRepAdaptor_Surface.hxx> | |
113 | ||
114 | #include <BOPTColStd_Dump.hxx> | |
115 | ||
116 | #include <IntTools_Curve.hxx> | |
117 | #include <IntTools_Tools.hxx> | |
118 | #include <IntTools_Tools.hxx> | |
119 | #include <IntTools_TopolTool.hxx> | |
120 | #include <IntTools_PntOnFace.hxx> | |
121 | #include <IntTools_PntOn2Faces.hxx> | |
122 | #include <IntTools_Context.hxx> | |
0fc4f2e2 | 123 | #include <IntSurf_ListIteratorOfListOfPntOn2S.hxx> |
a2eede02 | 124 | |
fa9681ca P |
125 | static |
126 | void RefineVector(gp_Vec2d& aV2D); | |
4f189102 | 127 | |
a2eede02 P |
128 | static |
129 | void DumpWLine(const Handle(IntPatch_WLine)& aWLine); | |
7fd59977 | 130 | // |
131 | static | |
132 | void TolR3d(const TopoDS_Face& , | |
133 | const TopoDS_Face& , | |
134 | Standard_Real& ); | |
135 | static | |
136 | Handle(Geom_Curve) MakeBSpline (const Handle(IntPatch_WLine)&, | |
137 | const Standard_Integer, | |
138 | const Standard_Integer); | |
139 | ||
140 | static | |
141 | void Parameters(const Handle(GeomAdaptor_HSurface)&, | |
142 | const Handle(GeomAdaptor_HSurface)&, | |
143 | const gp_Pnt&, | |
144 | Standard_Real&, | |
145 | Standard_Real&, | |
146 | Standard_Real&, | |
147 | Standard_Real&); | |
148 | ||
149 | static | |
150 | void BuildPCurves (Standard_Real f,Standard_Real l,Standard_Real& Tol, | |
151 | const Handle (Geom_Surface)& S, | |
152 | const Handle (Geom_Curve)& C, | |
153 | Handle (Geom2d_Curve)& C2d); | |
154 | ||
155 | static | |
156 | void CorrectSurfaceBoundaries(const TopoDS_Face& theFace, | |
157 | const Standard_Real theTolerance, | |
158 | Standard_Real& theumin, | |
159 | Standard_Real& theumax, | |
160 | Standard_Real& thevmin, | |
161 | Standard_Real& thevmax); | |
162 | static | |
163 | Standard_Boolean NotUseSurfacesForApprox | |
164 | (const TopoDS_Face& aF1, | |
165 | const TopoDS_Face& aF2, | |
166 | const Handle(IntPatch_WLine)& WL, | |
167 | const Standard_Integer ifprm, | |
168 | const Standard_Integer ilprm); | |
169 | ||
170 | static | |
171 | Handle(IntPatch_WLine) ComputePurgedWLine(const Handle(IntPatch_WLine)& theWLine); | |
172 | ||
173 | static | |
174 | Standard_Real AdjustPeriodic(const Standard_Real theParameter, | |
175 | const Standard_Real parmin, | |
176 | const Standard_Real parmax, | |
177 | const Standard_Real thePeriod, | |
178 | Standard_Real& theOffset); | |
179 | ||
180 | static | |
181 | Handle(Geom2d_BSplineCurve) MakeBSpline2d(const Handle(IntPatch_WLine)& theWLine, | |
182 | const Standard_Integer ideb, | |
183 | const Standard_Integer ifin, | |
184 | const Standard_Boolean onFirst); | |
185 | ||
186 | static | |
187 | Standard_Boolean DecompositionOfWLine(const Handle(IntPatch_WLine)& theWLine, | |
188 | const Handle(GeomAdaptor_HSurface)& theSurface1, | |
189 | const Handle(GeomAdaptor_HSurface)& theSurface2, | |
190 | const TopoDS_Face& theFace1, | |
191 | const TopoDS_Face& theFace2, | |
192 | const IntTools_LineConstructor& theLConstructor, | |
193 | const Standard_Boolean theAvoidLConstructor, | |
194 | IntPatch_SequenceOfLine& theNewLines, | |
4f189102 P |
195 | Standard_Real& theReachedTol3d, |
196 | const Handle(IntTools_Context)& ); | |
7fd59977 | 197 | |
198 | static | |
199 | Standard_Boolean ParameterOutOfBoundary(const Standard_Real theParameter, | |
200 | const Handle(Geom_Curve)& theCurve, | |
201 | const TopoDS_Face& theFace1, | |
202 | const TopoDS_Face& theFace2, | |
203 | const Standard_Real theOtherParameter, | |
204 | const Standard_Boolean bIncreasePar, | |
4f189102 P |
205 | Standard_Real& theNewParameter, |
206 | const Handle(IntTools_Context)& ); | |
7fd59977 | 207 | |
208 | static | |
209 | Standard_Boolean IsCurveValid(Handle(Geom2d_Curve)& thePCurve); | |
210 | ||
211 | static | |
212 | Standard_Boolean IsPointOnBoundary(const Standard_Real theParameter, | |
213 | const Standard_Real theFirstBoundary, | |
214 | const Standard_Real theSecondBoundary, | |
215 | const Standard_Real theResolution, | |
216 | Standard_Boolean& IsOnFirstBoundary); | |
217 | static | |
218 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, | |
219 | const gp_Pnt2d& theLastPoint, | |
220 | const Standard_Real theUmin, | |
221 | const Standard_Real theUmax, | |
222 | const Standard_Real theVmin, | |
223 | const Standard_Real theVmax, | |
224 | gp_Pnt2d& theNewPoint); | |
225 | ||
226 | ||
227 | static | |
228 | Standard_Integer ComputeTangentZones( const Handle(GeomAdaptor_HSurface)& theSurface1, | |
229 | const Handle(GeomAdaptor_HSurface)& theSurface2, | |
230 | const TopoDS_Face& theFace1, | |
231 | const TopoDS_Face& theFace2, | |
232 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS1, | |
233 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS2, | |
4f189102 P |
234 | Handle(TColStd_HArray1OfReal)& theResultRadius, |
235 | const Handle(IntTools_Context)& ); | |
7fd59977 | 236 | |
237 | static | |
238 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, | |
239 | const gp_Pnt2d& theLastPoint, | |
240 | const Standard_Real theUmin, | |
241 | const Standard_Real theUmax, | |
242 | const Standard_Real theVmin, | |
243 | const Standard_Real theVmax, | |
244 | const gp_Pnt2d& theTanZoneCenter, | |
245 | const Standard_Real theZoneRadius, | |
246 | Handle(GeomAdaptor_HSurface) theGASurface, | |
247 | gp_Pnt2d& theNewPoint); | |
248 | ||
249 | static | |
250 | Standard_Boolean IsInsideTanZone(const gp_Pnt2d& thePoint, | |
251 | const gp_Pnt2d& theTanZoneCenter, | |
252 | const Standard_Real theZoneRadius, | |
253 | Handle(GeomAdaptor_HSurface) theGASurface); | |
254 | ||
255 | static | |
4f189102 P |
256 | gp_Pnt2d AdjustByNeighbour(const gp_Pnt2d& theaNeighbourPoint, |
257 | const gp_Pnt2d& theOriginalPoint, | |
258 | Handle(GeomAdaptor_HSurface) theGASurface); | |
7fd59977 | 259 | static |
4f189102 P |
260 | Standard_Boolean ApproxWithPCurves(const gp_Cylinder& theCyl, |
261 | const gp_Sphere& theSph); | |
7fd59977 | 262 | |
263 | static void PerformPlanes(const Handle(GeomAdaptor_HSurface)& theS1, | |
264 | const Handle(GeomAdaptor_HSurface)& theS2, | |
265 | const Standard_Real TolAng, | |
266 | const Standard_Real TolTang, | |
267 | const Standard_Boolean theApprox1, | |
268 | const Standard_Boolean theApprox2, | |
269 | IntTools_SequenceOfCurves& theSeqOfCurve, | |
270 | Standard_Boolean& theTangentFaces); | |
271 | ||
272 | static Standard_Boolean ClassifyLin2d(const Handle(GeomAdaptor_HSurface)& theS, | |
273 | const gp_Lin2d& theLin2d, | |
274 | const Standard_Real theTol, | |
275 | Standard_Real& theP1, | |
276 | Standard_Real& theP2); | |
0fc4f2e2 | 277 | // |
7fd59977 | 278 | static |
279 | void ApproxParameters(const Handle(GeomAdaptor_HSurface)& aHS1, | |
280 | const Handle(GeomAdaptor_HSurface)& aHS2, | |
281 | Standard_Integer& iDegMin, | |
4f189102 | 282 | Standard_Integer& iNbIter, |
0fc4f2e2 | 283 | Standard_Integer& iDegMax); |
7fd59977 | 284 | |
0fc4f2e2 P |
285 | static |
286 | void Tolerances(const Handle(GeomAdaptor_HSurface)& aHS1, | |
287 | const Handle(GeomAdaptor_HSurface)& aHS2, | |
288 | Standard_Real& aTolArc, | |
289 | Standard_Real& aTolTang, | |
290 | Standard_Real& aUVMaxStep, | |
291 | Standard_Real& aDeflection); | |
292 | ||
0fc4f2e2 P |
293 | static |
294 | Standard_Boolean SortTypes(const GeomAbs_SurfaceType aType1, | |
295 | const GeomAbs_SurfaceType aType2); | |
296 | static | |
297 | Standard_Integer IndexType(const GeomAbs_SurfaceType aType); | |
d10203e8 | 298 | |
4f189102 | 299 | // |
4f189102 P |
300 | static |
301 | Standard_Real MaxSquareDistance (const Standard_Real aT, | |
302 | const Handle(Geom_Curve)& aC3D, | |
303 | const Handle(Geom2d_Curve)& aC2D1, | |
304 | const Handle(Geom2d_Curve)& aC2D2, | |
305 | const Handle(GeomAdaptor_HSurface) myHS1, | |
306 | const Handle(GeomAdaptor_HSurface) myHS2, | |
307 | const TopoDS_Face& aF1, | |
308 | const TopoDS_Face& aF2, | |
309 | const Handle(IntTools_Context)& aCtx); | |
7fd59977 | 310 | // |
37b6f439 | 311 | static |
312 | Standard_Real FindMaxSquareDistance (const Standard_Real aA, | |
313 | const Standard_Real aB, | |
314 | const Standard_Real aEps, | |
315 | const Handle(Geom_Curve)& aC3D, | |
316 | const Handle(Geom2d_Curve)& aC2D1, | |
317 | const Handle(Geom2d_Curve)& aC2D2, | |
318 | const Handle(GeomAdaptor_HSurface) myHS1, | |
319 | const Handle(GeomAdaptor_HSurface) myHS2, | |
320 | const TopoDS_Face& aF1, | |
321 | const TopoDS_Face& aF2, | |
322 | const Handle(IntTools_Context)& aCtx); | |
323 | ||
7fd59977 | 324 | //======================================================================= |
325 | //function : | |
326 | //purpose : | |
327 | //======================================================================= | |
4f189102 | 328 | IntTools_FaceFace::IntTools_FaceFace() |
7fd59977 | 329 | { |
330 | myTangentFaces=Standard_False; | |
331 | // | |
332 | myHS1 = new GeomAdaptor_HSurface (); | |
333 | myHS2 = new GeomAdaptor_HSurface (); | |
334 | myTolReached2d=0.; | |
335 | myTolReached3d=0.; | |
336 | SetParameters(Standard_True, Standard_True, Standard_True, 1.e-07); | |
4f189102 P |
337 | |
338 | } | |
339 | //======================================================================= | |
340 | //function : SetContext | |
341 | //purpose : | |
342 | //======================================================================= | |
343 | void IntTools_FaceFace::SetContext(const Handle(IntTools_Context)& aContext) | |
344 | { | |
345 | myContext=aContext; | |
346 | } | |
347 | //======================================================================= | |
348 | //function : Context | |
349 | //purpose : | |
350 | //======================================================================= | |
351 | const Handle(IntTools_Context)& IntTools_FaceFace::Context()const | |
352 | { | |
353 | return myContext; | |
7fd59977 | 354 | } |
355 | //======================================================================= | |
356 | //function : Face1 | |
357 | //purpose : | |
358 | //======================================================================= | |
4f189102 | 359 | const TopoDS_Face& IntTools_FaceFace::Face1() const |
7fd59977 | 360 | { |
361 | return myFace1; | |
362 | } | |
7fd59977 | 363 | //======================================================================= |
364 | //function : Face2 | |
365 | //purpose : | |
366 | //======================================================================= | |
4f189102 | 367 | const TopoDS_Face& IntTools_FaceFace::Face2() const |
7fd59977 | 368 | { |
369 | return myFace2; | |
370 | } | |
7fd59977 | 371 | //======================================================================= |
372 | //function : TangentFaces | |
373 | //purpose : | |
374 | //======================================================================= | |
4f189102 | 375 | Standard_Boolean IntTools_FaceFace::TangentFaces() const |
7fd59977 | 376 | { |
377 | return myTangentFaces; | |
378 | } | |
379 | //======================================================================= | |
380 | //function : Points | |
381 | //purpose : | |
382 | //======================================================================= | |
4f189102 | 383 | const IntTools_SequenceOfPntOn2Faces& IntTools_FaceFace::Points() const |
7fd59977 | 384 | { |
385 | return myPnts; | |
386 | } | |
387 | //======================================================================= | |
388 | //function : IsDone | |
389 | //purpose : | |
390 | //======================================================================= | |
4f189102 | 391 | Standard_Boolean IntTools_FaceFace::IsDone() const |
7fd59977 | 392 | { |
393 | return myIsDone; | |
394 | } | |
395 | //======================================================================= | |
396 | //function : TolReached3d | |
397 | //purpose : | |
398 | //======================================================================= | |
4f189102 | 399 | Standard_Real IntTools_FaceFace::TolReached3d() const |
7fd59977 | 400 | { |
401 | return myTolReached3d; | |
402 | } | |
403 | //======================================================================= | |
404 | //function : Lines | |
405 | //purpose : return lines of intersection | |
406 | //======================================================================= | |
4f189102 | 407 | const IntTools_SequenceOfCurves& IntTools_FaceFace::Lines() const |
7fd59977 | 408 | { |
4f189102 P |
409 | StdFail_NotDone_Raise_if |
410 | (!myIsDone, | |
411 | "IntTools_FaceFace::Lines() => !myIntersector.IsDone()"); | |
7fd59977 | 412 | return mySeqOfCurve; |
413 | } | |
7fd59977 | 414 | //======================================================================= |
415 | //function : TolReached2d | |
416 | //purpose : | |
417 | //======================================================================= | |
4f189102 | 418 | Standard_Real IntTools_FaceFace::TolReached2d() const |
7fd59977 | 419 | { |
420 | return myTolReached2d; | |
421 | } | |
422 | // ======================================================================= | |
423 | // function: SetParameters | |
424 | // | |
425 | // ======================================================================= | |
4f189102 P |
426 | void IntTools_FaceFace::SetParameters(const Standard_Boolean ToApproxC3d, |
427 | const Standard_Boolean ToApproxC2dOnS1, | |
428 | const Standard_Boolean ToApproxC2dOnS2, | |
429 | const Standard_Real ApproximationTolerance) | |
7fd59977 | 430 | { |
431 | myApprox = ToApproxC3d; | |
432 | myApprox1 = ToApproxC2dOnS1; | |
433 | myApprox2 = ToApproxC2dOnS2; | |
434 | myTolApprox = ApproximationTolerance; | |
435 | } | |
436 | //======================================================================= | |
437 | //function : SetList | |
438 | //purpose : | |
439 | //======================================================================= | |
7fd59977 | 440 | void IntTools_FaceFace::SetList(IntSurf_ListOfPntOn2S& aListOfPnts) |
441 | { | |
442 | myListOfPnts = aListOfPnts; | |
443 | } | |
444 | //======================================================================= | |
445 | //function : Perform | |
446 | //purpose : intersect surfaces of the faces | |
447 | //======================================================================= | |
0fc4f2e2 P |
448 | void IntTools_FaceFace::Perform(const TopoDS_Face& aF1, |
449 | const TopoDS_Face& aF2) | |
7fd59977 | 450 | { |
0fc4f2e2 P |
451 | Standard_Boolean hasCone, RestrictLine, bTwoPlanes, bReverse; |
452 | Standard_Integer aNbLin, aNbPnts, i, NbLinPP; | |
7fd59977 | 453 | Standard_Real TolArc, TolTang, Deflection, UVMaxStep; |
454 | Standard_Real umin, umax, vmin, vmax; | |
455 | Standard_Real aTolF1, aTolF2; | |
456 | GeomAbs_SurfaceType aType1, aType2; | |
457 | Handle(Geom_Surface) S1, S2; | |
458 | Handle(IntTools_TopolTool) dom1, dom2; | |
0fc4f2e2 | 459 | BRepAdaptor_Surface aBAS1, aBAS2; |
7fd59977 | 460 | // |
4f189102 P |
461 | if (myContext.IsNull()) { |
462 | myContext=new IntTools_Context; | |
463 | } | |
464 | // | |
7fd59977 | 465 | mySeqOfCurve.Clear(); |
7fd59977 | 466 | myTolReached2d=0.; |
467 | myTolReached3d=0.; | |
7fd59977 | 468 | myIsDone = Standard_False; |
0fc4f2e2 P |
469 | myNbrestr=0;//? |
470 | hasCone = Standard_False; | |
471 | bTwoPlanes = Standard_False; | |
472 | // | |
473 | myFace1=aF1; | |
474 | myFace2=aF2; | |
475 | // | |
476 | aBAS1.Initialize(myFace1, Standard_False); | |
477 | aBAS2.Initialize(myFace2, Standard_False); | |
478 | aType1=aBAS1.GetType(); | |
479 | aType2=aBAS2.GetType(); | |
480 | // | |
0fc4f2e2 P |
481 | bReverse=SortTypes(aType1, aType2); |
482 | if (bReverse) { | |
483 | myFace1=aF2; | |
484 | myFace2=aF1; | |
485 | aType1=aBAS2.GetType(); | |
486 | aType2=aBAS1.GetType(); | |
487 | // | |
488 | if (myListOfPnts.Extent()) { | |
489 | Standard_Real aU1,aV1,aU2,aV2; | |
490 | IntSurf_ListIteratorOfListOfPntOn2S aItP2S; | |
491 | // | |
492 | aItP2S.Initialize(myListOfPnts); | |
493 | for (; aItP2S.More(); aItP2S.Next()){ | |
494 | IntSurf_PntOn2S& aP2S=aItP2S.Value(); | |
495 | aP2S.Parameters(aU1,aV1,aU2,aV2); | |
496 | aP2S.SetValue(aU2,aV2,aU1,aV1); | |
497 | } | |
498 | } | |
499 | } | |
0fc4f2e2 P |
500 | // |
501 | S1=BRep_Tool::Surface(myFace1); | |
502 | S2=BRep_Tool::Surface(myFace2); | |
7fd59977 | 503 | // |
0fc4f2e2 P |
504 | aTolF1=BRep_Tool::Tolerance(myFace1); |
505 | aTolF2=BRep_Tool::Tolerance(myFace2); | |
7fd59977 | 506 | // |
507 | TolArc= aTolF1 + aTolF2; | |
508 | TolTang = TolArc; | |
509 | // | |
0fc4f2e2 | 510 | NbLinPP = 0; |
7fd59977 | 511 | if(aType1==GeomAbs_Plane && aType2==GeomAbs_Plane){ |
512 | bTwoPlanes = Standard_True; | |
513 | ||
0fc4f2e2 | 514 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
7fd59977 | 515 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); |
516 | // | |
0fc4f2e2 | 517 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
7fd59977 | 518 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); |
519 | Standard_Real TolAng = 1.e-8; | |
0fc4f2e2 | 520 | PerformPlanes(myHS1, myHS2, TolAng, TolTang, myApprox1, myApprox2, |
7fd59977 | 521 | mySeqOfCurve, myTangentFaces); |
522 | ||
523 | myIsDone = Standard_True; | |
4f189102 P |
524 | |
525 | if(!myTangentFaces) { | |
0fc4f2e2 | 526 | // |
4f189102 P |
527 | NbLinPP = mySeqOfCurve.Length(); |
528 | if(NbLinPP) { | |
529 | Standard_Real aTolFMax; | |
0fc4f2e2 | 530 | // |
4f189102 P |
531 | myTolReached3d = 1.e-7; |
532 | // | |
533 | aTolFMax=Max(aTolF1, aTolF2); | |
534 | // | |
535 | if (aTolFMax>myTolReached3d) { | |
536 | myTolReached3d=aTolFMax; | |
537 | } | |
538 | myTolReached2d = myTolReached3d; | |
539 | // | |
540 | if (bReverse) { | |
541 | Handle(Geom2d_Curve) aC2D1, aC2D2; | |
542 | // | |
543 | aNbLin=mySeqOfCurve.Length(); | |
544 | for (i=1; i<=aNbLin; ++i) { | |
545 | IntTools_Curve& aIC=mySeqOfCurve(i); | |
546 | aC2D1=aIC.FirstCurve2d(); | |
547 | aC2D2=aIC.SecondCurve2d(); | |
548 | // | |
549 | aIC.SetFirstCurve2d(aC2D2); | |
550 | aIC.SetSecondCurve2d(aC2D1); | |
551 | } | |
552 | } | |
0fc4f2e2 P |
553 | } |
554 | } | |
7fd59977 | 555 | return; |
0fc4f2e2 | 556 | }//if(aType1==GeomAbs_Plane && aType2==GeomAbs_Plane){ |
7fd59977 | 557 | // |
558 | if (aType1==GeomAbs_Plane && | |
559 | (aType2==GeomAbs_Cylinder || | |
560 | aType2==GeomAbs_Cone || | |
561 | aType2==GeomAbs_Torus)) { | |
562 | Standard_Real dU, dV; | |
563 | // F1 | |
0fc4f2e2 | 564 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
7fd59977 | 565 | dU=0.1*(umax-umin); |
566 | dV=0.1*(vmax-vmin); | |
567 | umin=umin-dU; | |
568 | umax=umax+dU; | |
569 | vmin=vmin-dV; | |
570 | vmax=vmax+dV; | |
571 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); | |
572 | // F2 | |
0fc4f2e2 P |
573 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
574 | CorrectSurfaceBoundaries(myFace2, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); | |
7fd59977 | 575 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); |
576 | // | |
577 | if( aType2==GeomAbs_Cone ) { | |
578 | TolArc = 0.0001; | |
7fd59977 | 579 | hasCone = Standard_True; |
580 | } | |
581 | } | |
582 | // | |
583 | else if ((aType1==GeomAbs_Cylinder|| | |
584 | aType1==GeomAbs_Cone || | |
585 | aType1==GeomAbs_Torus) && | |
586 | aType2==GeomAbs_Plane) { | |
587 | Standard_Real dU, dV; | |
588 | //F1 | |
0fc4f2e2 P |
589 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
590 | CorrectSurfaceBoundaries(myFace1, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); | |
7fd59977 | 591 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); |
592 | // F2 | |
0fc4f2e2 | 593 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
7fd59977 | 594 | dU=0.1*(umax-umin); |
595 | dV=0.1*(vmax-vmin); | |
596 | umin=umin-dU; | |
597 | umax=umax+dU; | |
598 | vmin=vmin-dV; | |
599 | vmax=vmax+dV; | |
600 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); | |
601 | // | |
602 | if( aType1==GeomAbs_Cone ) { | |
603 | TolArc = 0.0001; | |
7fd59977 | 604 | hasCone = Standard_True; |
605 | } | |
606 | } | |
607 | ||
608 | // | |
609 | else { | |
0fc4f2e2 | 610 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
7fd59977 | 611 | // |
0fc4f2e2 | 612 | CorrectSurfaceBoundaries(myFace1, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); |
7fd59977 | 613 | // |
614 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); | |
615 | // | |
0fc4f2e2 | 616 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
7fd59977 | 617 | // |
0fc4f2e2 | 618 | CorrectSurfaceBoundaries(myFace2, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); |
7fd59977 | 619 | // |
620 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); | |
621 | } | |
622 | // | |
623 | dom1 = new IntTools_TopolTool(myHS1); | |
624 | dom2 = new IntTools_TopolTool(myHS2); | |
625 | // | |
626 | myLConstruct.Load(dom1, dom2, myHS1, myHS2); | |
627 | // | |
628 | Deflection = (hasCone) ? 0.085 : 0.1; | |
629 | UVMaxStep = 0.001; | |
630 | // | |
0fc4f2e2 P |
631 | Tolerances(myHS1, myHS2, TolArc, TolTang, UVMaxStep, Deflection); |
632 | // | |
633 | myIntersector.SetTolerances(TolArc, TolTang, UVMaxStep, Deflection); | |
7fd59977 | 634 | // |
635 | RestrictLine = Standard_False; | |
636 | // | |
637 | if((myHS1->IsUClosed() && !myHS1->IsUPeriodic()) || | |
638 | (myHS1->IsVClosed() && !myHS1->IsVPeriodic()) || | |
639 | (myHS2->IsUClosed() && !myHS2->IsUPeriodic()) || | |
640 | (myHS2->IsVClosed() && !myHS2->IsVPeriodic())) { | |
641 | RestrictLine = Standard_True; | |
642 | } | |
643 | // | |
644 | if(((aType1 != GeomAbs_BSplineSurface) && | |
645 | (aType1 != GeomAbs_BezierSurface) && | |
646 | (aType1 != GeomAbs_OtherSurface)) && | |
647 | ((aType2 != GeomAbs_BSplineSurface) && | |
648 | (aType2 != GeomAbs_BezierSurface) && | |
649 | (aType2 != GeomAbs_OtherSurface))) { | |
650 | RestrictLine = Standard_True; | |
651 | // | |
652 | if ((aType1 == GeomAbs_Torus) || | |
653 | (aType2 == GeomAbs_Torus) ) { | |
654 | myListOfPnts.Clear(); | |
655 | } | |
656 | } | |
657 | // | |
658 | if(!RestrictLine) { | |
659 | TopExp_Explorer aExp; | |
660 | // | |
661 | for(i = 0; (!RestrictLine) && (i < 2); i++) { | |
662 | const TopoDS_Face& aF=(!i) ? myFace1 : myFace2; | |
663 | aExp.Init(aF, TopAbs_EDGE); | |
664 | for(; aExp.More(); aExp.Next()) { | |
665 | const TopoDS_Edge& aE=TopoDS::Edge(aExp.Current()); | |
666 | // | |
667 | if(BRep_Tool::Degenerated(aE)) { | |
668 | RestrictLine = Standard_True; | |
669 | break; | |
670 | } | |
671 | } | |
672 | } | |
673 | } | |
674 | // | |
675 | myIntersector.Perform(myHS1, dom1, myHS2, dom2, | |
676 | TolArc, TolTang, | |
677 | myListOfPnts, RestrictLine); | |
678 | // | |
679 | myIsDone = myIntersector.IsDone(); | |
680 | if (myIsDone) { | |
681 | myTangentFaces=myIntersector.TangentFaces(); | |
682 | if (myTangentFaces) { | |
683 | return; | |
684 | } | |
685 | // | |
686 | if(RestrictLine) { | |
687 | myListOfPnts.Clear(); // to use LineConstructor | |
688 | } | |
689 | // | |
690 | aNbLin = myIntersector.NbLines(); | |
691 | for (i=1; i<=aNbLin; ++i) { | |
692 | MakeCurve(i, dom1, dom2); | |
693 | } | |
694 | // | |
695 | ComputeTolReached3d(); | |
696 | // | |
0fc4f2e2 P |
697 | if (bReverse) { |
698 | Handle(Geom2d_Curve) aC2D1, aC2D2; | |
699 | // | |
700 | aNbLin=mySeqOfCurve.Length(); | |
701 | for (i=1; i<=aNbLin; ++i) { | |
702 | IntTools_Curve& aIC=mySeqOfCurve(i); | |
703 | aC2D1=aIC.FirstCurve2d(); | |
704 | aC2D2=aIC.SecondCurve2d(); | |
705 | // | |
706 | aIC.SetFirstCurve2d(aC2D2); | |
707 | aIC.SetSecondCurve2d(aC2D1); | |
708 | } | |
709 | } | |
0fc4f2e2 P |
710 | // |
711 | // Points | |
7fd59977 | 712 | Standard_Real U1,V1,U2,V2; |
713 | IntTools_PntOnFace aPntOnF1, aPntOnF2; | |
0fc4f2e2 | 714 | IntTools_PntOn2Faces aPntOn2Faces; |
7fd59977 | 715 | // |
716 | aNbPnts=myIntersector.NbPnts(); | |
717 | for (i=1; i<=aNbPnts; ++i) { | |
718 | const IntSurf_PntOn2S& aISPnt=myIntersector.Point(i).PntOn2S(); | |
719 | const gp_Pnt& aPnt=aISPnt.Value(); | |
720 | aISPnt.Parameters(U1,V1,U2,V2); | |
0fc4f2e2 P |
721 | aPntOnF1.Init(myFace1, aPnt, U1, V1); |
722 | aPntOnF2.Init(myFace2, aPnt, U2, V2); | |
d10203e8 | 723 | // |
0fc4f2e2 P |
724 | if (!bReverse) { |
725 | aPntOn2Faces.SetP1(aPntOnF1); | |
726 | aPntOn2Faces.SetP2(aPntOnF2); | |
727 | } | |
728 | else { | |
729 | aPntOn2Faces.SetP2(aPntOnF1); | |
730 | aPntOn2Faces.SetP1(aPntOnF2); | |
731 | } | |
7fd59977 | 732 | myPnts.Append(aPntOn2Faces); |
733 | } | |
734 | // | |
735 | } | |
736 | } | |
737 | //======================================================================= | |
738 | //function :ComputeTolReached3d | |
739 | //purpose : | |
740 | //======================================================================= | |
741 | void IntTools_FaceFace::ComputeTolReached3d() | |
742 | { | |
743 | Standard_Integer aNbLin; | |
744 | GeomAbs_SurfaceType aType1, aType2; | |
745 | // | |
746 | aNbLin=myIntersector.NbLines(); | |
37b6f439 | 747 | if (!aNbLin) { |
748 | return; | |
749 | } | |
750 | // | |
7fd59977 | 751 | aType1=myHS1->Surface().GetType(); |
752 | aType2=myHS2->Surface().GetType(); | |
753 | // | |
4f189102 P |
754 | if (aType1==GeomAbs_Cylinder && aType2==GeomAbs_Cylinder) { |
755 | if (aNbLin==2){ | |
756 | Handle(IntPatch_Line) aIL1, aIL2; | |
757 | IntPatch_IType aTL1, aTL2; | |
7fd59977 | 758 | // |
4f189102 P |
759 | aIL1=myIntersector.Line(1); |
760 | aIL2=myIntersector.Line(2); | |
761 | aTL1=aIL1->ArcType(); | |
762 | aTL2=aIL2->ArcType(); | |
763 | if (aTL1==IntPatch_Lin && aTL2==IntPatch_Lin) { | |
764 | Standard_Real aD, aDTresh, dTol; | |
765 | gp_Lin aL1, aL2; | |
766 | // | |
767 | dTol=1.e-8; | |
768 | aDTresh=1.5e-6; | |
769 | // | |
770 | aL1=Handle(IntPatch_GLine)::DownCast(aIL1)->Line(); | |
771 | aL2=Handle(IntPatch_GLine)::DownCast(aIL2)->Line(); | |
772 | aD=aL1.Distance(aL2); | |
773 | aD=0.5*aD; | |
774 | if (aD<aDTresh) { | |
775 | myTolReached3d=aD+dTol; | |
776 | } | |
777 | return; | |
7fd59977 | 778 | } |
779 | } | |
4f189102 | 780 | //ZZ |
37b6f439 | 781 | if (aNbLin) {// Check the distances |
782 | Standard_Integer i, aNbP, j ; | |
575aec54 | 783 | Standard_Real aT1, aT2, dT, aD2, aD2Max, aEps, aT11, aT12; |
4f189102 P |
784 | // |
785 | aD2Max=0.; | |
4f189102 P |
786 | aNbLin=mySeqOfCurve.Length(); |
787 | // | |
788 | for (i=1; i<=aNbLin; ++i) { | |
789 | const IntTools_Curve& aIC=mySeqOfCurve(i); | |
790 | const Handle(Geom_Curve)& aC3D=aIC.Curve(); | |
791 | const Handle(Geom2d_Curve)& aC2D1=aIC.FirstCurve2d(); | |
792 | const Handle(Geom2d_Curve)& aC2D2=aIC.SecondCurve2d(); | |
793 | // | |
794 | if (aC3D.IsNull()) { | |
795 | continue; | |
796 | } | |
797 | const Handle(Geom_BSplineCurve)& aBC= | |
798 | Handle(Geom_BSplineCurve)::DownCast(aC3D); | |
799 | if (aBC.IsNull()) { | |
800 | continue; | |
801 | } | |
802 | // | |
803 | aT1=aBC->FirstParameter(); | |
804 | aT2=aBC->LastParameter(); | |
805 | // | |
37b6f439 | 806 | aEps=0.01*(aT2-aT1); |
807 | aNbP=10; | |
8e0115e4 | 808 | dT=(aT2-aT1)/aNbP; |
8e0115e4 | 809 | for (j=1; j<aNbP; ++j) { |
37b6f439 | 810 | aT11=aT1+j*dT; |
811 | aT12=aT11+dT; | |
812 | aD2=FindMaxSquareDistance(aT11, aT12, aEps, aC3D, aC2D1, aC2D2, | |
813 | myHS1, myHS2, myFace1, myFace2, myContext); | |
4f189102 P |
814 | if (aD2>aD2Max) { |
815 | aD2Max=aD2; | |
816 | } | |
37b6f439 | 817 | } |
4f189102 P |
818 | }//for (i=1; i<=aNbLin; ++i) { |
819 | // | |
820 | myTolReached3d=sqrt(aD2Max); | |
37b6f439 | 821 | }// if (aNbLin) |
4f189102 P |
822 | }// if (aType1==GeomAbs_Cylinder && aType2==GeomAbs_Cylinder) { |
823 | // | |
0fc4f2e2 | 824 | //904/G3 f |
4f189102 | 825 | else if (aType1==GeomAbs_Plane && aType2==GeomAbs_Plane) { |
7fd59977 | 826 | Standard_Real aTolF1, aTolF2, aTolFMax, aTolTresh; |
827 | // | |
828 | aTolTresh=1.e-7; | |
829 | // | |
830 | aTolF1 = BRep_Tool::Tolerance(myFace1); | |
831 | aTolF2 = BRep_Tool::Tolerance(myFace2); | |
832 | aTolFMax=Max(aTolF1, aTolF2); | |
833 | // | |
834 | if (aTolFMax>aTolTresh) { | |
835 | myTolReached3d=aTolFMax; | |
836 | } | |
4f189102 | 837 | }//if (aType1==GeomAbs_Plane && aType2==GeomAbs_Plane) { |
0fc4f2e2 | 838 | //t |
7fd59977 | 839 | //IFV Bug OCC20297 |
4f189102 P |
840 | else if((aType1 == GeomAbs_Cylinder && aType2 == GeomAbs_Plane) || |
841 | (aType2 == GeomAbs_Cylinder && aType1 == GeomAbs_Plane)) { | |
7fd59977 | 842 | if(aNbLin == 1) { |
843 | const Handle(IntPatch_Line)& aIL1 = myIntersector.Line(1); | |
844 | if(aIL1->ArcType() == IntPatch_Circle) { | |
845 | gp_Circ aCir = Handle(IntPatch_GLine)::DownCast(aIL1)->Circle(); | |
846 | gp_XYZ aCirDir = aCir.Axis().Direction().XYZ(); | |
847 | gp_XYZ aPlDir; | |
848 | gp_Pln aPln; | |
849 | if(aType1 == GeomAbs_Plane) { | |
850 | aPln = myHS1->Surface().Plane(); | |
851 | } | |
852 | else { | |
853 | aPln = myHS2->Surface().Plane(); | |
854 | } | |
855 | aPlDir = aPln.Axis().Direction().XYZ(); | |
856 | Standard_Real cs = aCirDir*aPlDir; | |
857 | if(cs < 0.) aPlDir.Reverse(); | |
858 | Standard_Real eps = 1.e-14; | |
859 | if(!aPlDir.IsEqual(aCirDir, eps)) { | |
860 | Standard_Integer aNbP = 11; | |
c6541a0c D |
861 | Standard_Real dt = 2.*M_PI / (aNbP - 1), t; |
862 | for(t = 0.; t < 2.*M_PI; t += dt) { | |
7fd59977 | 863 | Standard_Real d = aPln.Distance(ElCLib::Value(t, aCir)); |
864 | if(myTolReached3d < d) myTolReached3d = d; | |
865 | } | |
866 | myTolReached3d *= 1.1; | |
867 | } | |
868 | } //aIL1->ArcType() == IntPatch_Circle | |
869 | } //aNbLin == 1 | |
4f189102 | 870 | } // aType1 == GeomAbs_Cylinder && aType2 == GeomAbs_Plane) |
7fd59977 | 871 | //End IFV Bug OCC20297 |
0fc4f2e2 | 872 | // |
4f189102 P |
873 | else if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Torus) || |
874 | (aType2==GeomAbs_Plane && aType1==GeomAbs_Torus)) { | |
0fc4f2e2 P |
875 | aNbLin=mySeqOfCurve.Length(); |
876 | if (aNbLin!=1) { | |
877 | return; | |
878 | } | |
879 | // | |
880 | Standard_Integer i, aNbP; | |
881 | Standard_Real aT, aT1, aT2, dT, aUT, aVT, aUP, aVP; | |
882 | Standard_Real aDP, aDT, aDmax; | |
883 | gp_Pln aPln; | |
884 | gp_Torus aTorus; | |
885 | gp_Pnt aP, aPP, aPT; | |
886 | // | |
887 | const IntTools_Curve& aIC=mySeqOfCurve(1); | |
888 | const Handle(Geom_Curve)& aC3D=aIC.Curve(); | |
4f189102 P |
889 | const Handle(Geom_BSplineCurve)& aBS= |
890 | Handle(Geom_BSplineCurve)::DownCast(aC3D); | |
0fc4f2e2 P |
891 | if (aBS.IsNull()) { |
892 | return; | |
893 | } | |
894 | // | |
895 | aT1=aBS->FirstParameter(); | |
896 | aT2=aBS->LastParameter(); | |
897 | // | |
898 | aPln =(aType1==GeomAbs_Plane) ? myHS1->Plane() : myHS2->Plane(); | |
899 | aTorus=(aType1==GeomAbs_Plane) ? myHS2->Torus() : myHS1->Torus(); | |
900 | // | |
901 | aDmax=-1.; | |
902 | aNbP=11; | |
903 | dT=(aT2-aT1)/(aNbP-1); | |
904 | for (i=0; i<aNbP; ++i) { | |
905 | aT=aT1+i*dT; | |
906 | if (i==aNbP-1) { | |
907 | aT=aT2; | |
908 | } | |
909 | // | |
910 | aC3D->D0(aT, aP); | |
911 | // | |
912 | ElSLib::Parameters(aPln, aP, aUP, aVP); | |
913 | aPP=ElSLib::Value(aUP, aVP, aPln); | |
914 | aDP=aP.SquareDistance(aPP); | |
915 | if (aDP>aDmax) { | |
916 | aDmax=aDP; | |
917 | } | |
918 | // | |
919 | ElSLib::Parameters(aTorus, aP, aUT, aVT); | |
920 | aPT=ElSLib::Value(aUT, aVT, aTorus); | |
921 | aDT=aP.SquareDistance(aPT); | |
922 | if (aDT>aDmax) { | |
923 | aDmax=aDT; | |
924 | } | |
925 | } | |
926 | // | |
927 | if (aDmax > myTolReached3d*myTolReached3d) { | |
928 | myTolReached3d=sqrt(aDmax); | |
929 | myTolReached3d=1.1*myTolReached3d; | |
930 | } | |
931 | }// if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Torus) || | |
a9f7b6b5 | 932 | // |
4f189102 P |
933 | else if ((aType1==GeomAbs_SurfaceOfRevolution && aType2==GeomAbs_Cylinder) || |
934 | (aType2==GeomAbs_SurfaceOfRevolution && aType1==GeomAbs_Cylinder)) { | |
d10203e8 | 935 | Standard_Integer i, j, aNbP; |
4f189102 | 936 | Standard_Real aT, aT1, aT2, dT, aD2max, aD2; |
d10203e8 P |
937 | // |
938 | aNbLin=mySeqOfCurve.Length(); | |
4f189102 | 939 | aD2max=0.; |
d10203e8 P |
940 | aNbP=11; |
941 | // | |
942 | for (i=1; i<=aNbLin; ++i) { | |
943 | const IntTools_Curve& aIC=mySeqOfCurve(i); | |
944 | const Handle(Geom_Curve)& aC3D=aIC.Curve(); | |
945 | const Handle(Geom2d_Curve)& aC2D1=aIC.FirstCurve2d(); | |
946 | const Handle(Geom2d_Curve)& aC2D2=aIC.SecondCurve2d(); | |
947 | // | |
948 | if (aC3D.IsNull()) { | |
949 | continue; | |
950 | } | |
4f189102 P |
951 | const Handle(Geom_BSplineCurve)& aBC= |
952 | Handle(Geom_BSplineCurve)::DownCast(aC3D); | |
d10203e8 P |
953 | if (aBC.IsNull()) { |
954 | return; | |
955 | } | |
956 | // | |
957 | aT1=aBC->FirstParameter(); | |
958 | aT2=aBC->LastParameter(); | |
959 | // | |
960 | dT=(aT2-aT1)/(aNbP-1); | |
961 | for (j=0; j<aNbP; ++j) { | |
962 | aT=aT1+j*dT; | |
963 | if (j==aNbP-1) { | |
964 | aT=aT2; | |
965 | } | |
966 | // | |
4f189102 P |
967 | aD2=MaxSquareDistance(aT, aC3D, aC2D1, aC2D2, |
968 | myHS1, myHS2, myFace1, myFace2, myContext); | |
969 | if (aD2>aD2max) { | |
970 | aD2max=aD2; | |
d10203e8 P |
971 | } |
972 | }//for (j=0; j<aNbP; ++j) { | |
37b6f439 | 973 | |
d10203e8 P |
974 | }//for (i=1; i<=aNbLin; ++i) { |
975 | // | |
4f189102 P |
976 | aD2=myTolReached3d*myTolReached3d; |
977 | if (aD2max > aD2) { | |
978 | myTolReached3d=sqrt(aD2max); | |
d10203e8 | 979 | } |
a9f7b6b5 | 980 | }//if((aType1==GeomAbs_SurfaceOfRevolution ... |
7fd59977 | 981 | } |
982 | //======================================================================= | |
983 | //function : MakeCurve | |
984 | //purpose : | |
985 | //======================================================================= | |
986 | void IntTools_FaceFace::MakeCurve(const Standard_Integer Index, | |
987 | const Handle(Adaptor3d_TopolTool)& dom1, | |
988 | const Handle(Adaptor3d_TopolTool)& dom2) | |
989 | { | |
990 | Standard_Boolean bDone, rejectSurface, reApprox, bAvoidLineConstructor; | |
991 | Standard_Boolean ok; | |
992 | Standard_Integer i, j, aNbParts; | |
993 | Standard_Real fprm, lprm; | |
994 | Standard_Real Tolpc; | |
995 | Handle(IntPatch_Line) L; | |
996 | IntPatch_IType typl; | |
997 | Handle(Geom_Curve) newc; | |
998 | // | |
999 | const Standard_Real TOLCHECK =0.0000001; | |
1000 | const Standard_Real TOLANGCHECK=0.1; | |
1001 | // | |
1002 | rejectSurface = Standard_False; | |
1003 | reApprox = Standard_False; | |
1004 | ||
1005 | reapprox:; | |
1006 | ||
1007 | Tolpc = myTolApprox; | |
1008 | bAvoidLineConstructor = Standard_False; | |
1009 | L = myIntersector.Line(Index); | |
1010 | typl = L->ArcType(); | |
1011 | // | |
1012 | if(typl==IntPatch_Walking) { | |
1013 | Handle(IntPatch_Line) anewL; | |
1014 | // | |
1015 | const Handle(IntPatch_WLine)& aWLine= | |
1016 | Handle(IntPatch_WLine)::DownCast(L); | |
4f189102 P |
1017 | //DEBf |
1018 | //DumpWLine(aWLine); | |
1019 | //DEBt | |
7fd59977 | 1020 | anewL = ComputePurgedWLine(aWLine); |
1021 | if(anewL.IsNull()) { | |
1022 | return; | |
1023 | } | |
1024 | L = anewL; | |
4f189102 P |
1025 | //DEBf |
1026 | /* | |
1027 | { const Handle(IntPatch_WLine)& aWLineX= | |
1028 | Handle(IntPatch_WLine)::DownCast(L); | |
1029 | DumpWLine(aWLineX); | |
1030 | } | |
1031 | */ | |
1032 | //DEBt | |
7fd59977 | 1033 | // |
1034 | if(!myListOfPnts.IsEmpty()) { | |
1035 | bAvoidLineConstructor = Standard_True; | |
1036 | } | |
1037 | ||
1038 | Standard_Integer nbp = aWLine->NbPnts(); | |
1039 | const IntSurf_PntOn2S& p1 = aWLine->Point(1); | |
1040 | const IntSurf_PntOn2S& p2 = aWLine->Point(nbp); | |
1041 | ||
1042 | const gp_Pnt& P1 = p1.Value(); | |
1043 | const gp_Pnt& P2 = p2.Value(); | |
1044 | ||
1045 | if(P1.SquareDistance(P2) < 1.e-14) { | |
1046 | bAvoidLineConstructor = Standard_False; | |
1047 | } | |
1048 | ||
1049 | } | |
1050 | // | |
1051 | // Line Constructor | |
1052 | if(!bAvoidLineConstructor) { | |
1053 | myLConstruct.Perform(L); | |
1054 | // | |
1055 | bDone=myLConstruct.IsDone(); | |
1056 | aNbParts=myLConstruct.NbParts(); | |
1057 | if (!bDone|| !aNbParts) { | |
1058 | return; | |
1059 | } | |
1060 | } | |
1061 | // Do the Curve | |
1062 | ||
1063 | ||
1064 | typl=L->ArcType(); | |
1065 | switch (typl) { | |
1066 | //######################################## | |
1067 | // Line, Parabola, Hyperbola | |
1068 | //######################################## | |
1069 | case IntPatch_Lin: | |
1070 | case IntPatch_Parabola: | |
1071 | case IntPatch_Hyperbola: { | |
1072 | if (typl == IntPatch_Lin) { | |
1073 | newc = | |
1074 | new Geom_Line (Handle(IntPatch_GLine)::DownCast(L)->Line()); | |
1075 | } | |
1076 | ||
1077 | else if (typl == IntPatch_Parabola) { | |
1078 | newc = | |
1079 | new Geom_Parabola(Handle(IntPatch_GLine)::DownCast(L)->Parabola()); | |
1080 | } | |
1081 | ||
1082 | else if (typl == IntPatch_Hyperbola) { | |
1083 | newc = | |
1084 | new Geom_Hyperbola (Handle(IntPatch_GLine)::DownCast(L)->Hyperbola()); | |
1085 | } | |
1086 | // | |
1087 | // myTolReached3d | |
1088 | if (typl == IntPatch_Lin) { | |
1089 | TolR3d (myFace1, myFace2, myTolReached3d); | |
1090 | } | |
1091 | // | |
1092 | aNbParts=myLConstruct.NbParts(); | |
1093 | for (i=1; i<=aNbParts; i++) { | |
1094 | myLConstruct.Part(i, fprm, lprm); | |
1095 | ||
1096 | if (!Precision::IsNegativeInfinite(fprm) && | |
1097 | !Precision::IsPositiveInfinite(lprm)) { | |
1098 | // | |
1099 | IntTools_Curve aCurve; | |
1100 | // | |
1101 | Handle(Geom_TrimmedCurve) aCT3D=new Geom_TrimmedCurve(newc, fprm, lprm); | |
1102 | aCurve.SetCurve(aCT3D); | |
1103 | if (typl == IntPatch_Parabola) { | |
1104 | Standard_Real aTolF1, aTolF2, aTolBase; | |
1105 | ||
1106 | aTolF1 = BRep_Tool::Tolerance(myFace1); | |
1107 | aTolF2 = BRep_Tool::Tolerance(myFace2); | |
1108 | aTolBase=aTolF1+aTolF2; | |
1109 | myTolReached3d=IntTools_Tools::CurveTolerance(aCT3D, aTolBase); | |
1110 | } | |
1111 | // | |
1112 | aCurve.SetCurve(new Geom_TrimmedCurve(newc, fprm, lprm)); | |
1113 | if(myApprox1) { | |
1114 | Handle (Geom2d_Curve) C2d; | |
1115 | BuildPCurves(fprm, lprm, Tolpc, myHS1->ChangeSurface().Surface(), newc, C2d); | |
1116 | if(Tolpc>myTolReached2d || myTolReached2d==0.) { | |
1117 | myTolReached2d=Tolpc; | |
1118 | } | |
1119 | // | |
1120 | aCurve.SetFirstCurve2d(new Geom2d_TrimmedCurve(C2d,fprm,lprm)); | |
1121 | } | |
1122 | else { | |
1123 | Handle(Geom2d_BSplineCurve) H1; | |
1124 | // | |
1125 | aCurve.SetFirstCurve2d(H1); | |
1126 | } | |
1127 | ||
1128 | if(myApprox2) { | |
1129 | Handle (Geom2d_Curve) C2d; | |
1130 | BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d); | |
1131 | if(Tolpc>myTolReached2d || myTolReached2d==0.) { | |
1132 | myTolReached2d=Tolpc; | |
1133 | } | |
1134 | // | |
1135 | aCurve.SetSecondCurve2d(new Geom2d_TrimmedCurve(C2d,fprm,lprm)); | |
1136 | } | |
1137 | else { | |
1138 | Handle(Geom2d_BSplineCurve) H1; | |
1139 | // | |
1140 | aCurve.SetSecondCurve2d(H1); | |
1141 | } | |
1142 | mySeqOfCurve.Append(aCurve); | |
1143 | } // end of if (!Precision::IsNegativeInfinite(fprm) && !Precision::IsPositiveInfinite(lprm)) | |
1144 | ||
1145 | else { | |
0fc4f2e2 | 1146 | // on regarde si on garde |
7fd59977 | 1147 | // |
1148 | Standard_Boolean bFNIt, bLPIt; | |
1149 | Standard_Real aTestPrm, dT=100.; | |
1150 | ||
1151 | bFNIt=Precision::IsNegativeInfinite(fprm); | |
1152 | bLPIt=Precision::IsPositiveInfinite(lprm); | |
1153 | ||
1154 | aTestPrm=0.; | |
1155 | ||
1156 | if (bFNIt && !bLPIt) { | |
1157 | aTestPrm=lprm-dT; | |
1158 | } | |
1159 | else if (!bFNIt && bLPIt) { | |
1160 | aTestPrm=fprm+dT; | |
1161 | } | |
1162 | ||
1163 | gp_Pnt ptref(newc->Value(aTestPrm)); | |
1164 | // | |
1165 | ||
1166 | Standard_Real u1, v1, u2, v2, Tol; | |
1167 | ||
1168 | Tol = Precision::Confusion(); | |
1169 | Parameters(myHS1, myHS2, ptref, u1, v1, u2, v2); | |
1170 | ok = (dom1->Classify(gp_Pnt2d(u1, v1), Tol) != TopAbs_OUT); | |
1171 | if(ok) { | |
1172 | ok = (dom2->Classify(gp_Pnt2d(u2,v2),Tol) != TopAbs_OUT); | |
1173 | } | |
1174 | if (ok) { | |
1175 | Handle(Geom2d_BSplineCurve) H1; | |
1176 | mySeqOfCurve.Append(IntTools_Curve(newc, H1, H1)); | |
1177 | } | |
1178 | } | |
1179 | }// end of for (i=1; i<=myLConstruct.NbParts(); i++) | |
1180 | }// case IntPatch_Lin: case IntPatch_Parabola: case IntPatch_Hyperbola: | |
1181 | break; | |
1182 | ||
1183 | //######################################## | |
1184 | // Circle and Ellipse | |
1185 | //######################################## | |
1186 | case IntPatch_Circle: | |
1187 | case IntPatch_Ellipse: { | |
1188 | ||
1189 | if (typl == IntPatch_Circle) { | |
1190 | newc = new Geom_Circle | |
1191 | (Handle(IntPatch_GLine)::DownCast(L)->Circle()); | |
1192 | } | |
1193 | else { //IntPatch_Ellipse | |
1194 | newc = new Geom_Ellipse | |
1195 | (Handle(IntPatch_GLine)::DownCast(L)->Ellipse()); | |
1196 | } | |
1197 | // | |
1198 | // myTolReached3d | |
1199 | TolR3d (myFace1, myFace2, myTolReached3d); | |
1200 | // | |
1201 | aNbParts=myLConstruct.NbParts(); | |
1202 | // | |
1203 | Standard_Real aPeriod, aNul; | |
1204 | TColStd_SequenceOfReal aSeqFprm, aSeqLprm; | |
1205 | ||
1206 | aNul=0.; | |
c6541a0c | 1207 | aPeriod=M_PI+M_PI; |
7fd59977 | 1208 | |
1209 | for (i=1; i<=aNbParts; i++) { | |
1210 | myLConstruct.Part(i, fprm, lprm); | |
1211 | ||
1212 | if (fprm < aNul && lprm > aNul) { | |
1213 | // interval that goes through 0. is divided on two intervals; | |
1214 | while (fprm<aNul || fprm>aPeriod) fprm=fprm+aPeriod; | |
1215 | while (lprm<aNul || lprm>aPeriod) lprm=lprm+aPeriod; | |
1216 | // | |
1217 | if((aPeriod - fprm) > Tolpc) { | |
1218 | aSeqFprm.Append(fprm); | |
1219 | aSeqLprm.Append(aPeriod); | |
1220 | } | |
1221 | else { | |
1222 | gp_Pnt P1 = newc->Value(fprm); | |
1223 | gp_Pnt P2 = newc->Value(aPeriod); | |
1224 | Standard_Real aTolDist = BRep_Tool::Tolerance(myFace1) + BRep_Tool::Tolerance(myFace2); | |
1225 | aTolDist = (myTolReached3d > aTolDist) ? myTolReached3d : aTolDist; | |
1226 | ||
1227 | if(P1.Distance(P2) > aTolDist) { | |
1228 | Standard_Real anewpar = fprm; | |
1229 | ||
4f189102 | 1230 | if(ParameterOutOfBoundary(fprm, newc, myFace1, myFace2, lprm, Standard_False, anewpar, myContext)) { |
7fd59977 | 1231 | fprm = anewpar; |
1232 | } | |
1233 | aSeqFprm.Append(fprm); | |
1234 | aSeqLprm.Append(aPeriod); | |
1235 | } | |
1236 | } | |
1237 | ||
1238 | // | |
1239 | if((lprm - aNul) > Tolpc) { | |
1240 | aSeqFprm.Append(aNul); | |
1241 | aSeqLprm.Append(lprm); | |
1242 | } | |
1243 | else { | |
1244 | gp_Pnt P1 = newc->Value(aNul); | |
1245 | gp_Pnt P2 = newc->Value(lprm); | |
1246 | Standard_Real aTolDist = BRep_Tool::Tolerance(myFace1) + BRep_Tool::Tolerance(myFace2); | |
1247 | aTolDist = (myTolReached3d > aTolDist) ? myTolReached3d : aTolDist; | |
1248 | ||
1249 | if(P1.Distance(P2) > aTolDist) { | |
1250 | Standard_Real anewpar = lprm; | |
1251 | ||
4f189102 | 1252 | if(ParameterOutOfBoundary(lprm, newc, myFace1, myFace2, fprm, Standard_True, anewpar, myContext)) { |
7fd59977 | 1253 | lprm = anewpar; |
1254 | } | |
1255 | aSeqFprm.Append(aNul); | |
1256 | aSeqLprm.Append(lprm); | |
1257 | } | |
1258 | } | |
1259 | } | |
1260 | else { | |
1261 | // usual interval | |
1262 | aSeqFprm.Append(fprm); | |
1263 | aSeqLprm.Append(lprm); | |
1264 | } | |
1265 | } | |
1266 | ||
1267 | // | |
1268 | aNbParts=aSeqFprm.Length(); | |
1269 | for (i=1; i<=aNbParts; i++) { | |
1270 | fprm=aSeqFprm(i); | |
1271 | lprm=aSeqLprm(i); | |
1272 | // | |
1273 | Standard_Real aRealEpsilon=RealEpsilon(); | |
c6541a0c | 1274 | if (Abs(fprm) > aRealEpsilon || Abs(lprm-2.*M_PI) > aRealEpsilon) { |
7fd59977 | 1275 | //============================================== |
1276 | //// | |
1277 | IntTools_Curve aCurve; | |
1278 | Handle(Geom_TrimmedCurve) aTC3D=new Geom_TrimmedCurve(newc,fprm,lprm); | |
1279 | aCurve.SetCurve(aTC3D); | |
1280 | fprm=aTC3D->FirstParameter(); | |
1281 | lprm=aTC3D->LastParameter (); | |
1282 | //// | |
1283 | if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) {//// | |
1284 | if(myApprox1) { | |
1285 | Handle (Geom2d_Curve) C2d; | |
1286 | BuildPCurves(fprm,lprm,Tolpc,myHS1->ChangeSurface().Surface(),newc,C2d); | |
1287 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1288 | myTolReached2d=Tolpc; | |
1289 | } | |
1290 | // | |
1291 | aCurve.SetFirstCurve2d(C2d); | |
1292 | } | |
1293 | else { //// | |
1294 | Handle(Geom2d_BSplineCurve) H1; | |
1295 | aCurve.SetFirstCurve2d(H1); | |
1296 | } | |
1297 | ||
1298 | ||
1299 | if(myApprox2) { | |
1300 | Handle (Geom2d_Curve) C2d; | |
1301 | BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d); | |
1302 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1303 | myTolReached2d=Tolpc; | |
1304 | } | |
1305 | // | |
1306 | aCurve.SetSecondCurve2d(C2d); | |
1307 | } | |
1308 | else { | |
1309 | Handle(Geom2d_BSplineCurve) H1; | |
1310 | aCurve.SetSecondCurve2d(H1); | |
1311 | } | |
1312 | } | |
1313 | ||
1314 | else { | |
1315 | Handle(Geom2d_BSplineCurve) H1; | |
1316 | aCurve.SetFirstCurve2d(H1); | |
1317 | aCurve.SetSecondCurve2d(H1); | |
1318 | } | |
1319 | mySeqOfCurve.Append(aCurve); | |
1320 | //============================================== | |
c6541a0c | 1321 | } //if (Abs(fprm) > RealEpsilon() || Abs(lprm-2.*M_PI) > RealEpsilon()) |
7fd59977 | 1322 | |
1323 | else { | |
1324 | // on regarde si on garde | |
1325 | // | |
1326 | if (aNbParts==1) { | |
c6541a0c D |
1327 | // if (Abs(fprm) < RealEpsilon() && Abs(lprm-2.*M_PI) < RealEpsilon()) { |
1328 | if (Abs(fprm) <= aRealEpsilon && Abs(lprm-2.*M_PI) <= aRealEpsilon) { | |
7fd59977 | 1329 | IntTools_Curve aCurve; |
1330 | Handle(Geom_TrimmedCurve) aTC3D=new Geom_TrimmedCurve(newc,fprm,lprm); | |
1331 | aCurve.SetCurve(aTC3D); | |
1332 | fprm=aTC3D->FirstParameter(); | |
1333 | lprm=aTC3D->LastParameter (); | |
1334 | ||
1335 | if(myApprox1) { | |
1336 | Handle (Geom2d_Curve) C2d; | |
1337 | BuildPCurves(fprm,lprm,Tolpc,myHS1->ChangeSurface().Surface(),newc,C2d); | |
1338 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1339 | myTolReached2d=Tolpc; | |
1340 | } | |
1341 | // | |
1342 | aCurve.SetFirstCurve2d(C2d); | |
1343 | } | |
1344 | else { //// | |
1345 | Handle(Geom2d_BSplineCurve) H1; | |
1346 | aCurve.SetFirstCurve2d(H1); | |
1347 | } | |
1348 | ||
1349 | if(myApprox2) { | |
1350 | Handle (Geom2d_Curve) C2d; | |
1351 | BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d); | |
1352 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1353 | myTolReached2d=Tolpc; | |
1354 | } | |
1355 | // | |
1356 | aCurve.SetSecondCurve2d(C2d); | |
1357 | } | |
1358 | else { | |
1359 | Handle(Geom2d_BSplineCurve) H1; | |
1360 | aCurve.SetSecondCurve2d(H1); | |
1361 | } | |
1362 | mySeqOfCurve.Append(aCurve); | |
1363 | break; | |
1364 | } | |
1365 | } | |
1366 | // | |
1367 | Standard_Real aTwoPIdiv17, u1, v1, u2, v2, Tol; | |
1368 | ||
c6541a0c | 1369 | aTwoPIdiv17=2.*M_PI/17.; |
7fd59977 | 1370 | |
1371 | for (j=0; j<=17; j++) { | |
1372 | gp_Pnt ptref (newc->Value (j*aTwoPIdiv17)); | |
1373 | Tol = Precision::Confusion(); | |
1374 | ||
1375 | Parameters(myHS1, myHS2, ptref, u1, v1, u2, v2); | |
1376 | ok = (dom1->Classify(gp_Pnt2d(u1,v1),Tol) != TopAbs_OUT); | |
1377 | if(ok) { | |
1378 | ok = (dom2->Classify(gp_Pnt2d(u2,v2),Tol) != TopAbs_OUT); | |
1379 | } | |
1380 | if (ok) { | |
1381 | IntTools_Curve aCurve; | |
1382 | aCurve.SetCurve(newc); | |
1383 | //============================================== | |
1384 | if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) { | |
1385 | ||
1386 | if(myApprox1) { | |
1387 | Handle (Geom2d_Curve) C2d; | |
1388 | BuildPCurves(fprm, lprm, Tolpc, myHS1->ChangeSurface().Surface(), newc, C2d); | |
1389 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1390 | myTolReached2d=Tolpc; | |
1391 | } | |
1392 | // | |
1393 | aCurve.SetFirstCurve2d(C2d); | |
1394 | } | |
1395 | else { | |
1396 | Handle(Geom2d_BSplineCurve) H1; | |
1397 | aCurve.SetFirstCurve2d(H1); | |
1398 | } | |
1399 | ||
1400 | if(myApprox2) { | |
1401 | Handle (Geom2d_Curve) C2d; | |
1402 | BuildPCurves(fprm, lprm, Tolpc,myHS2->ChangeSurface().Surface(), newc, C2d); | |
1403 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1404 | myTolReached2d=Tolpc; | |
1405 | } | |
1406 | // | |
1407 | aCurve.SetSecondCurve2d(C2d); | |
1408 | } | |
1409 | ||
1410 | else { | |
1411 | Handle(Geom2d_BSplineCurve) H1; | |
1412 | aCurve.SetSecondCurve2d(H1); | |
1413 | } | |
1414 | }// end of if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) | |
1415 | ||
1416 | else { | |
1417 | Handle(Geom2d_BSplineCurve) H1; | |
1418 | // | |
1419 | aCurve.SetFirstCurve2d(H1); | |
1420 | aCurve.SetSecondCurve2d(H1); | |
1421 | } | |
1422 | //============================================== | |
1423 | // | |
1424 | mySeqOfCurve.Append(aCurve); | |
1425 | break; | |
1426 | ||
1427 | }// end of if (ok) { | |
1428 | }// end of for (Standard_Integer j=0; j<=17; j++) | |
0fc4f2e2 | 1429 | }// end of else { on regarde si on garde |
7fd59977 | 1430 | }// for (i=1; i<=myLConstruct.NbParts(); i++) |
1431 | }// IntPatch_Circle: IntPatch_Ellipse: | |
1432 | break; | |
1433 | ||
1434 | case IntPatch_Analytic: { | |
1435 | IntSurf_Quadric quad1,quad2; | |
1436 | GeomAbs_SurfaceType typs = myHS1->Surface().GetType(); | |
1437 | ||
1438 | switch (typs) { | |
1439 | case GeomAbs_Plane: | |
1440 | quad1.SetValue(myHS1->Surface().Plane()); | |
1441 | break; | |
1442 | case GeomAbs_Cylinder: | |
1443 | quad1.SetValue(myHS1->Surface().Cylinder()); | |
1444 | break; | |
1445 | case GeomAbs_Cone: | |
1446 | quad1.SetValue(myHS1->Surface().Cone()); | |
1447 | break; | |
1448 | case GeomAbs_Sphere: | |
1449 | quad1.SetValue(myHS1->Surface().Sphere()); | |
1450 | break; | |
1451 | default: | |
1452 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve 1"); | |
1453 | } | |
1454 | ||
1455 | typs = myHS2->Surface().GetType(); | |
1456 | ||
1457 | switch (typs) { | |
1458 | case GeomAbs_Plane: | |
1459 | quad2.SetValue(myHS2->Surface().Plane()); | |
1460 | break; | |
1461 | case GeomAbs_Cylinder: | |
1462 | quad2.SetValue(myHS2->Surface().Cylinder()); | |
1463 | break; | |
1464 | case GeomAbs_Cone: | |
1465 | quad2.SetValue(myHS2->Surface().Cone()); | |
1466 | break; | |
1467 | case GeomAbs_Sphere: | |
1468 | quad2.SetValue(myHS2->Surface().Sphere()); | |
1469 | break; | |
1470 | default: | |
1471 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve 2"); | |
1472 | } | |
1473 | // | |
1474 | //========= | |
1475 | IntPatch_ALineToWLine convert (quad1, quad2); | |
1476 | ||
1477 | if (!myApprox) { | |
1478 | aNbParts=myLConstruct.NbParts(); | |
1479 | for (i=1; i<=aNbParts; i++) { | |
1480 | myLConstruct.Part(i, fprm, lprm); | |
1481 | Handle(IntPatch_WLine) WL = | |
1482 | convert.MakeWLine(Handle(IntPatch_ALine)::DownCast(L), fprm, lprm); | |
1483 | // | |
1484 | Handle(Geom2d_BSplineCurve) H1; | |
1485 | Handle(Geom2d_BSplineCurve) H2; | |
1486 | ||
1487 | if(myApprox1) { | |
1488 | H1 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True); | |
1489 | } | |
1490 | ||
1491 | if(myApprox2) { | |
1492 | H2 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False); | |
1493 | } | |
1494 | // | |
1495 | mySeqOfCurve.Append(IntTools_Curve(MakeBSpline(WL,1,WL->NbPnts()), H1, H2)); | |
1496 | } | |
1497 | } // if (!myApprox) | |
1498 | ||
1499 | else { // myApprox=TRUE | |
1500 | GeomInt_WLApprox theapp3d; | |
1501 | // | |
1502 | Standard_Real tol2d = myTolApprox; | |
1503 | // | |
1504 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_True); | |
1505 | ||
1506 | aNbParts=myLConstruct.NbParts(); | |
1507 | for (i=1; i<=aNbParts; i++) { | |
1508 | myLConstruct.Part(i, fprm, lprm); | |
1509 | Handle(IntPatch_WLine) WL = | |
1510 | convert.MakeWLine(Handle(IntPatch_ALine):: DownCast(L),fprm,lprm); | |
1511 | ||
1512 | theapp3d.Perform(myHS1,myHS2,WL,Standard_True,myApprox1,myApprox2, 1, WL->NbPnts()); | |
1513 | ||
1514 | if (!theapp3d.IsDone()) { | |
1515 | // | |
1516 | Handle(Geom2d_BSplineCurve) H1; | |
1517 | Handle(Geom2d_BSplineCurve) H2; | |
1518 | ||
1519 | if(myApprox1) { | |
1520 | H1 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True); | |
1521 | } | |
1522 | ||
1523 | if(myApprox2) { | |
1524 | H2 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False); | |
1525 | } | |
1526 | // | |
1527 | mySeqOfCurve.Append(IntTools_Curve(MakeBSpline(WL,1,WL->NbPnts()), H1, H2)); | |
1528 | } | |
1529 | ||
1530 | else { | |
1531 | if(myApprox1 || myApprox2) { | |
1532 | if( theapp3d.TolReached2d()>myTolReached2d || myTolReached2d==0) { | |
1533 | myTolReached2d = theapp3d.TolReached2d(); | |
1534 | } | |
1535 | } | |
1536 | ||
1537 | if( theapp3d.TolReached3d()>myTolReached3d || myTolReached3d==0) { | |
1538 | myTolReached3d = theapp3d.TolReached3d(); | |
1539 | } | |
1540 | ||
1541 | Standard_Integer aNbMultiCurves, nbpoles; | |
1542 | aNbMultiCurves=theapp3d.NbMultiCurves(); | |
1543 | for (j=1; j<=aNbMultiCurves; j++) { | |
1544 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); | |
1545 | nbpoles = mbspc.NbPoles(); | |
1546 | ||
1547 | TColgp_Array1OfPnt tpoles(1, nbpoles); | |
1548 | mbspc.Curve(1, tpoles); | |
1549 | Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles, | |
1550 | mbspc.Knots(), | |
1551 | mbspc.Multiplicities(), | |
1552 | mbspc.Degree()); | |
1553 | ||
1554 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); | |
1555 | Check.FixTangent(Standard_True,Standard_True); | |
1556 | // | |
1557 | IntTools_Curve aCurve; | |
1558 | aCurve.SetCurve(BS); | |
1559 | ||
1560 | if(myApprox1) { | |
1561 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); | |
1562 | mbspc.Curve(2,tpoles2d); | |
1563 | Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d, | |
1564 | mbspc.Knots(), | |
1565 | mbspc.Multiplicities(), | |
1566 | mbspc.Degree()); | |
1567 | ||
1568 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); | |
1569 | newCheck.FixTangent(Standard_True,Standard_True); | |
1570 | // | |
1571 | aCurve.SetFirstCurve2d(BS2); | |
1572 | } | |
1573 | else { | |
1574 | Handle(Geom2d_BSplineCurve) H1; | |
1575 | aCurve.SetFirstCurve2d(H1); | |
1576 | } | |
1577 | ||
1578 | if(myApprox2) { | |
1579 | TColgp_Array1OfPnt2d tpoles2d(1, nbpoles); | |
1580 | Standard_Integer TwoOrThree; | |
1581 | TwoOrThree=myApprox1 ? 3 : 2; | |
1582 | mbspc.Curve(TwoOrThree, tpoles2d); | |
1583 | Handle(Geom2d_BSplineCurve) BS2 =new Geom2d_BSplineCurve(tpoles2d, | |
1584 | mbspc.Knots(), | |
1585 | mbspc.Multiplicities(), | |
1586 | mbspc.Degree()); | |
1587 | ||
1588 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); | |
1589 | newCheck.FixTangent(Standard_True,Standard_True); | |
1590 | // | |
1591 | aCurve.SetSecondCurve2d(BS2); | |
1592 | } | |
1593 | else { | |
1594 | Handle(Geom2d_BSplineCurve) H2; | |
1595 | aCurve.SetSecondCurve2d(H2); | |
1596 | } | |
1597 | // | |
1598 | mySeqOfCurve.Append(aCurve); | |
1599 | ||
1600 | }// for (j=1; j<=aNbMultiCurves; j++) { | |
1601 | }// else from if (!theapp3d.IsDone()) | |
1602 | }// for (i=1; i<=aNbParts; i++) { | |
1603 | }// else { // myApprox=TRUE | |
1604 | }// case IntPatch_Analytic: | |
1605 | break; | |
1606 | ||
1607 | case IntPatch_Walking:{ | |
1608 | Handle(IntPatch_WLine) WL = | |
1609 | Handle(IntPatch_WLine)::DownCast(L); | |
1610 | // | |
1611 | Standard_Integer ifprm, ilprm; | |
1612 | // | |
1613 | if (!myApprox) { | |
1614 | aNbParts = 1; | |
1615 | if(!bAvoidLineConstructor){ | |
1616 | aNbParts=myLConstruct.NbParts(); | |
1617 | } | |
1618 | for (i=1; i<=aNbParts; ++i) { | |
1619 | Handle(Geom2d_BSplineCurve) H1, H2; | |
1620 | Handle(Geom_Curve) aBSp; | |
1621 | // | |
1622 | if(bAvoidLineConstructor) { | |
1623 | ifprm = 1; | |
1624 | ilprm = WL->NbPnts(); | |
1625 | } | |
1626 | else { | |
1627 | myLConstruct.Part(i, fprm, lprm); | |
1628 | ifprm=(Standard_Integer)fprm; | |
1629 | ilprm=(Standard_Integer)lprm; | |
1630 | } | |
1631 | // | |
1632 | if(myApprox1) { | |
1633 | H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True); | |
1634 | } | |
1635 | // | |
1636 | if(myApprox2) { | |
1637 | H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False); | |
1638 | } | |
1639 | // | |
1640 | aBSp=MakeBSpline(WL, ifprm, ilprm); | |
1641 | IntTools_Curve aIC(aBSp, H1, H2); | |
1642 | mySeqOfCurve.Append(aIC); | |
1643 | }// for (i=1; i<=aNbParts; ++i) { | |
1644 | }// if (!myApprox) { | |
1645 | // | |
1646 | else { // X | |
1647 | Standard_Boolean bIsDecomposited; | |
1648 | Standard_Integer nbiter, aNbSeqOfL; | |
1649 | Standard_Real tol2d; | |
1650 | IntPatch_SequenceOfLine aSeqOfL; | |
1651 | GeomInt_WLApprox theapp3d; | |
1652 | Approx_ParametrizationType aParType = Approx_ChordLength; | |
1653 | // | |
1654 | Standard_Boolean anApprox1 = myApprox1; | |
1655 | Standard_Boolean anApprox2 = myApprox2; | |
1656 | ||
1657 | tol2d = myTolApprox; | |
1658 | ||
1659 | GeomAbs_SurfaceType typs1, typs2; | |
1660 | typs1 = myHS1->Surface().GetType(); | |
1661 | typs2 = myHS2->Surface().GetType(); | |
1662 | Standard_Boolean anWithPC = Standard_True; | |
1663 | ||
1664 | if(typs1 == GeomAbs_Cylinder && typs2 == GeomAbs_Sphere) { | |
1665 | anWithPC = | |
1666 | ApproxWithPCurves(myHS1->Surface().Cylinder(), myHS2->Surface().Sphere()); | |
1667 | } | |
1668 | else if (typs1 == GeomAbs_Sphere && typs2 == GeomAbs_Cylinder) { | |
1669 | anWithPC = | |
1670 | ApproxWithPCurves(myHS2->Surface().Cylinder(), myHS1->Surface().Sphere()); | |
1671 | } | |
1672 | if(!anWithPC) { | |
1673 | //aParType = Approx_Centripetal; | |
1674 | myTolApprox = 1.e-5; | |
1675 | anApprox1 = Standard_False; | |
1676 | anApprox2 = Standard_False; | |
1677 | // | |
1678 | tol2d = myTolApprox; | |
1679 | } | |
1680 | ||
1681 | if(myHS1 == myHS2) { | |
1682 | // | |
1683 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType); | |
1684 | rejectSurface = Standard_True; | |
1685 | } | |
1686 | else { | |
1687 | if(reApprox && !rejectSurface) | |
1688 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType); | |
1689 | else { | |
4f189102 P |
1690 | Standard_Integer iDegMax, iDegMin, iNbIter; |
1691 | // | |
4f189102 P |
1692 | ApproxParameters(myHS1, myHS2, iDegMin, iDegMax, iNbIter); |
1693 | theapp3d.SetParameters(myTolApprox, tol2d, iDegMin, iDegMax, iNbIter, Standard_True, aParType); | |
7fd59977 | 1694 | // |
7fd59977 | 1695 | } |
1696 | } | |
1697 | // | |
1698 | Standard_Real aReachedTol = Precision::Confusion(); | |
1699 | bIsDecomposited=DecompositionOfWLine(WL, | |
1700 | myHS1, | |
1701 | myHS2, | |
1702 | myFace1, | |
1703 | myFace2, | |
1704 | myLConstruct, | |
1705 | bAvoidLineConstructor, | |
1706 | aSeqOfL, | |
4f189102 P |
1707 | aReachedTol, |
1708 | myContext); | |
7fd59977 | 1709 | if ( bIsDecomposited && ( myTolReached3d < aReachedTol ) ) |
1710 | myTolReached3d = aReachedTol; | |
1711 | ||
1712 | // | |
1713 | aNbSeqOfL=aSeqOfL.Length(); | |
1714 | // | |
1715 | if (bIsDecomposited) { | |
1716 | nbiter=aNbSeqOfL; | |
1717 | } | |
1718 | else { | |
1719 | nbiter=1; | |
1720 | aNbParts=1; | |
1721 | if (!bAvoidLineConstructor) { | |
1722 | aNbParts=myLConstruct.NbParts(); | |
1723 | nbiter=aNbParts; | |
1724 | } | |
1725 | } | |
1726 | // | |
1727 | // nbiter=(bIsDecomposited) ? aSeqOfL.Length() : | |
1728 | // ((bAvoidLineConstructor) ? 1 :aNbParts); | |
1729 | // | |
1730 | for(i = 1; i <= nbiter; ++i) { | |
1731 | if(bIsDecomposited) { | |
1732 | WL = Handle(IntPatch_WLine)::DownCast(aSeqOfL.Value(i)); | |
1733 | ifprm = 1; | |
1734 | ilprm = WL->NbPnts(); | |
1735 | } | |
1736 | else { | |
1737 | if(bAvoidLineConstructor) { | |
1738 | ifprm = 1; | |
1739 | ilprm = WL->NbPnts(); | |
1740 | } | |
1741 | else { | |
1742 | myLConstruct.Part(i, fprm, lprm); | |
1743 | ifprm = (Standard_Integer)fprm; | |
1744 | ilprm = (Standard_Integer)lprm; | |
1745 | } | |
1746 | } | |
0fc4f2e2 P |
1747 | //-- lbr : |
1748 | //-- Si une des surfaces est un plan , on approxime en 2d | |
1749 | //-- sur cette surface et on remonte les points 2d en 3d. | |
7fd59977 | 1750 | if(typs1 == GeomAbs_Plane) { |
1751 | theapp3d.Perform(myHS1, myHS2, WL, Standard_False,Standard_True, myApprox2,ifprm,ilprm); | |
1752 | } | |
1753 | else if(typs2 == GeomAbs_Plane) { | |
1754 | theapp3d.Perform(myHS1,myHS2,WL,Standard_False,myApprox1,Standard_True,ifprm,ilprm); | |
1755 | } | |
1756 | else { | |
1757 | // | |
1758 | if (myHS1 != myHS2){ | |
1759 | if ((typs1==GeomAbs_BezierSurface || typs1==GeomAbs_BSplineSurface) && | |
1760 | (typs2==GeomAbs_BezierSurface || typs2==GeomAbs_BSplineSurface)) { | |
1761 | ||
1762 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_True, aParType); | |
1763 | ||
1764 | Standard_Boolean bUseSurfaces; | |
1765 | bUseSurfaces=NotUseSurfacesForApprox(myFace1, myFace2, WL, ifprm, ilprm); | |
1766 | if (bUseSurfaces) { | |
1767 | // ###### | |
1768 | rejectSurface = Standard_True; | |
1769 | // ###### | |
1770 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType); | |
1771 | } | |
1772 | } | |
1773 | } | |
1774 | // | |
1775 | theapp3d.Perform(myHS1,myHS2,WL,Standard_True,anApprox1,anApprox2,ifprm,ilprm); | |
1776 | } | |
1777 | ||
1778 | if (!theapp3d.IsDone()) { | |
1779 | // | |
1780 | Handle(Geom2d_BSplineCurve) H1; | |
1781 | // | |
1782 | Handle(Geom_Curve) aBSp=MakeBSpline(WL,ifprm, ilprm); | |
1783 | Handle(Geom2d_BSplineCurve) H2; | |
1784 | ||
1785 | if(myApprox1) { | |
1786 | H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True); | |
1787 | } | |
1788 | ||
1789 | if(myApprox2) { | |
1790 | H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False); | |
1791 | } | |
1792 | // | |
1793 | IntTools_Curve aIC(aBSp, H1, H2); | |
1794 | mySeqOfCurve.Append(aIC); | |
1795 | } | |
1796 | ||
1797 | else { | |
1798 | if(myApprox1 || myApprox2 || (typs1==GeomAbs_Plane || typs2==GeomAbs_Plane)) { | |
1799 | if( theapp3d.TolReached2d()>myTolReached2d || myTolReached2d==0.) { | |
1800 | myTolReached2d = theapp3d.TolReached2d(); | |
1801 | } | |
1802 | } | |
1803 | if(typs1==GeomAbs_Plane || typs2==GeomAbs_Plane) { | |
1804 | myTolReached3d = myTolReached2d; | |
1805 | // | |
1806 | if (typs1==GeomAbs_Torus || typs2==GeomAbs_Torus) { | |
1807 | if (myTolReached3d<1.e-6) { | |
1808 | myTolReached3d = theapp3d.TolReached3d(); | |
1809 | myTolReached3d=1.e-6; | |
1810 | } | |
1811 | } | |
1812 | // | |
1813 | } | |
1814 | else if( theapp3d.TolReached3d()>myTolReached3d || myTolReached3d==0.) { | |
1815 | myTolReached3d = theapp3d.TolReached3d(); | |
1816 | } | |
1817 | ||
1818 | Standard_Integer aNbMultiCurves, nbpoles; | |
1819 | aNbMultiCurves=theapp3d.NbMultiCurves(); | |
1820 | for (j=1; j<=aNbMultiCurves; j++) { | |
1821 | if(typs1 == GeomAbs_Plane) { | |
1822 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); | |
1823 | nbpoles = mbspc.NbPoles(); | |
1824 | ||
1825 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); | |
1826 | TColgp_Array1OfPnt tpoles(1,nbpoles); | |
1827 | ||
1828 | mbspc.Curve(1,tpoles2d); | |
1829 | const gp_Pln& Pln = myHS1->Surface().Plane(); | |
1830 | // | |
1831 | Standard_Integer ik; | |
1832 | for(ik = 1; ik<= nbpoles; ik++) { | |
1833 | tpoles.SetValue(ik, | |
1834 | ElSLib::Value(tpoles2d.Value(ik).X(), | |
1835 | tpoles2d.Value(ik).Y(), | |
1836 | Pln)); | |
1837 | } | |
1838 | // | |
1839 | Handle(Geom_BSplineCurve) BS = | |
1840 | new Geom_BSplineCurve(tpoles, | |
1841 | mbspc.Knots(), | |
1842 | mbspc.Multiplicities(), | |
1843 | mbspc.Degree()); | |
1844 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); | |
1845 | Check.FixTangent(Standard_True, Standard_True); | |
1846 | // | |
1847 | IntTools_Curve aCurve; | |
1848 | aCurve.SetCurve(BS); | |
1849 | ||
1850 | if(myApprox1) { | |
1851 | Handle(Geom2d_BSplineCurve) BS1 = | |
1852 | new Geom2d_BSplineCurve(tpoles2d, | |
1853 | mbspc.Knots(), | |
1854 | mbspc.Multiplicities(), | |
1855 | mbspc.Degree()); | |
1856 | GeomLib_Check2dBSplineCurve Check1(BS1,TOLCHECK,TOLANGCHECK); | |
1857 | Check1.FixTangent(Standard_True,Standard_True); | |
1858 | // | |
1859 | // ############################################ | |
1860 | if(!rejectSurface && !reApprox) { | |
1861 | Standard_Boolean isValid = IsCurveValid(BS1); | |
1862 | if(!isValid) { | |
1863 | reApprox = Standard_True; | |
1864 | goto reapprox; | |
1865 | } | |
1866 | } | |
1867 | // ############################################ | |
1868 | aCurve.SetFirstCurve2d(BS1); | |
1869 | } | |
1870 | else { | |
1871 | Handle(Geom2d_BSplineCurve) H1; | |
1872 | aCurve.SetFirstCurve2d(H1); | |
1873 | } | |
1874 | ||
1875 | if(myApprox2) { | |
1876 | mbspc.Curve(2, tpoles2d); | |
1877 | ||
1878 | Handle(Geom2d_BSplineCurve) BS2 = new Geom2d_BSplineCurve(tpoles2d, | |
1879 | mbspc.Knots(), | |
1880 | mbspc.Multiplicities(), | |
1881 | mbspc.Degree()); | |
1882 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); | |
1883 | newCheck.FixTangent(Standard_True,Standard_True); | |
1884 | ||
1885 | // ########################################### | |
1886 | if(!rejectSurface && !reApprox) { | |
1887 | Standard_Boolean isValid = IsCurveValid(BS2); | |
1888 | if(!isValid) { | |
1889 | reApprox = Standard_True; | |
1890 | goto reapprox; | |
1891 | } | |
1892 | } | |
1893 | // ########################################### | |
1894 | // | |
1895 | aCurve.SetSecondCurve2d(BS2); | |
1896 | } | |
1897 | else { | |
1898 | Handle(Geom2d_BSplineCurve) H2; | |
1899 | // | |
1900 | aCurve.SetSecondCurve2d(H2); | |
1901 | } | |
1902 | // | |
1903 | mySeqOfCurve.Append(aCurve); | |
1904 | } | |
1905 | ||
1906 | else if(typs2 == GeomAbs_Plane) { | |
1907 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); | |
1908 | nbpoles = mbspc.NbPoles(); | |
1909 | ||
1910 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); | |
1911 | TColgp_Array1OfPnt tpoles(1,nbpoles); | |
1912 | mbspc.Curve((myApprox1==Standard_True)? 2 : 1,tpoles2d); | |
1913 | const gp_Pln& Pln = myHS2->Surface().Plane(); | |
1914 | // | |
1915 | Standard_Integer ik; | |
1916 | for(ik = 1; ik<= nbpoles; ik++) { | |
1917 | tpoles.SetValue(ik, | |
1918 | ElSLib::Value(tpoles2d.Value(ik).X(), | |
1919 | tpoles2d.Value(ik).Y(), | |
1920 | Pln)); | |
1921 | ||
1922 | } | |
1923 | // | |
1924 | Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles, | |
1925 | mbspc.Knots(), | |
1926 | mbspc.Multiplicities(), | |
1927 | mbspc.Degree()); | |
1928 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); | |
1929 | Check.FixTangent(Standard_True,Standard_True); | |
1930 | // | |
1931 | IntTools_Curve aCurve; | |
1932 | aCurve.SetCurve(BS); | |
1933 | ||
1934 | if(myApprox2) { | |
1935 | Handle(Geom2d_BSplineCurve) BS1=new Geom2d_BSplineCurve(tpoles2d, | |
1936 | mbspc.Knots(), | |
1937 | mbspc.Multiplicities(), | |
1938 | mbspc.Degree()); | |
1939 | GeomLib_Check2dBSplineCurve Check1(BS1,TOLCHECK,TOLANGCHECK); | |
1940 | Check1.FixTangent(Standard_True,Standard_True); | |
1941 | // | |
1942 | // ########################################### | |
1943 | if(!rejectSurface && !reApprox) { | |
1944 | Standard_Boolean isValid = IsCurveValid(BS1); | |
1945 | if(!isValid) { | |
1946 | reApprox = Standard_True; | |
1947 | goto reapprox; | |
1948 | } | |
1949 | } | |
1950 | // ########################################### | |
1951 | aCurve.SetSecondCurve2d(BS1); | |
1952 | } | |
1953 | else { | |
1954 | Handle(Geom2d_BSplineCurve) H2; | |
1955 | aCurve.SetSecondCurve2d(H2); | |
1956 | } | |
1957 | ||
1958 | if(myApprox1) { | |
1959 | mbspc.Curve(1,tpoles2d); | |
1960 | Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d, | |
1961 | mbspc.Knots(), | |
1962 | mbspc.Multiplicities(), | |
1963 | mbspc.Degree()); | |
1964 | GeomLib_Check2dBSplineCurve Check2(BS2,TOLCHECK,TOLANGCHECK); | |
1965 | Check2.FixTangent(Standard_True,Standard_True); | |
1966 | // | |
1967 | // ########################################### | |
1968 | if(!rejectSurface && !reApprox) { | |
1969 | Standard_Boolean isValid = IsCurveValid(BS2); | |
1970 | if(!isValid) { | |
1971 | reApprox = Standard_True; | |
1972 | goto reapprox; | |
1973 | } | |
1974 | } | |
1975 | // ########################################### | |
1976 | aCurve.SetFirstCurve2d(BS2); | |
1977 | } | |
1978 | else { | |
1979 | Handle(Geom2d_BSplineCurve) H1; | |
1980 | // | |
1981 | aCurve.SetFirstCurve2d(H1); | |
1982 | } | |
1983 | // | |
1984 | mySeqOfCurve.Append(aCurve); | |
1985 | } | |
1986 | else { | |
1987 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); | |
1988 | nbpoles = mbspc.NbPoles(); | |
1989 | TColgp_Array1OfPnt tpoles(1,nbpoles); | |
1990 | mbspc.Curve(1,tpoles); | |
1991 | Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles, | |
1992 | mbspc.Knots(), | |
1993 | mbspc.Multiplicities(), | |
1994 | mbspc.Degree()); | |
1995 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); | |
1996 | Check.FixTangent(Standard_True,Standard_True); | |
1997 | // | |
1998 | IntTools_Curve aCurve; | |
1999 | aCurve.SetCurve(BS); | |
2000 | ||
2001 | if(myApprox1) { | |
2002 | if(anApprox1) { | |
2003 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); | |
2004 | mbspc.Curve(2,tpoles2d); | |
2005 | Handle(Geom2d_BSplineCurve) BS1=new Geom2d_BSplineCurve(tpoles2d, | |
2006 | mbspc.Knots(), | |
2007 | mbspc.Multiplicities(), | |
2008 | mbspc.Degree()); | |
2009 | GeomLib_Check2dBSplineCurve newCheck(BS1,TOLCHECK,TOLANGCHECK); | |
2010 | newCheck.FixTangent(Standard_True,Standard_True); | |
2011 | // | |
2012 | aCurve.SetFirstCurve2d(BS1); | |
2013 | } | |
2014 | else { | |
2015 | Handle(Geom2d_BSplineCurve) BS1; | |
2016 | fprm = BS->FirstParameter(); | |
2017 | lprm = BS->LastParameter(); | |
2018 | ||
2019 | Handle(Geom2d_Curve) C2d; | |
2020 | Standard_Real aTol = myTolApprox; | |
2021 | BuildPCurves(fprm, lprm, aTol, myHS1->ChangeSurface().Surface(), BS, C2d); | |
2022 | BS1 = Handle(Geom2d_BSplineCurve)::DownCast(C2d); | |
2023 | aCurve.SetFirstCurve2d(BS1); | |
2024 | } | |
2025 | ||
2026 | } | |
2027 | else { | |
2028 | Handle(Geom2d_BSplineCurve) H1; | |
2029 | // | |
2030 | aCurve.SetFirstCurve2d(H1); | |
2031 | } | |
2032 | if(myApprox2) { | |
2033 | if(anApprox2) { | |
2034 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); | |
2035 | mbspc.Curve((myApprox1==Standard_True)? 3 : 2,tpoles2d); | |
2036 | Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d, | |
2037 | mbspc.Knots(), | |
2038 | mbspc.Multiplicities(), | |
2039 | mbspc.Degree()); | |
2040 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); | |
2041 | newCheck.FixTangent(Standard_True,Standard_True); | |
2042 | // | |
2043 | aCurve.SetSecondCurve2d(BS2); | |
2044 | } | |
2045 | else { | |
2046 | Handle(Geom2d_BSplineCurve) BS2; | |
2047 | fprm = BS->FirstParameter(); | |
2048 | lprm = BS->LastParameter(); | |
2049 | ||
2050 | Handle(Geom2d_Curve) C2d; | |
2051 | Standard_Real aTol = myTolApprox; | |
2052 | BuildPCurves(fprm, lprm, aTol, myHS2->ChangeSurface().Surface(), BS, C2d); | |
2053 | BS2 = Handle(Geom2d_BSplineCurve)::DownCast(C2d); | |
2054 | aCurve.SetSecondCurve2d(BS2); | |
2055 | } | |
2056 | ||
2057 | } | |
2058 | else { | |
2059 | Handle(Geom2d_BSplineCurve) H2; | |
2060 | // | |
2061 | aCurve.SetSecondCurve2d(H2); | |
2062 | } | |
2063 | // | |
2064 | mySeqOfCurve.Append(aCurve); | |
2065 | } | |
2066 | } | |
2067 | } | |
2068 | } | |
2069 | }// else { // X | |
2070 | }// case IntPatch_Walking:{ | |
2071 | break; | |
2072 | ||
2073 | case IntPatch_Restriction: | |
2074 | break; | |
2075 | ||
2076 | } | |
2077 | } | |
2078 | ||
2079 | //======================================================================= | |
2080 | //function : BuildPCurves | |
2081 | //purpose : | |
2082 | //======================================================================= | |
2083 | void BuildPCurves (Standard_Real f, | |
2084 | Standard_Real l, | |
2085 | Standard_Real& Tol, | |
2086 | const Handle (Geom_Surface)& S, | |
2087 | const Handle (Geom_Curve)& C, | |
2088 | Handle (Geom2d_Curve)& C2d) | |
2089 | { | |
2090 | ||
2091 | Standard_Real umin,umax,vmin,vmax; | |
2092 | // | |
2093 | ||
2094 | if (C2d.IsNull()) { | |
2095 | ||
2096 | // in class ProjLib_Function the range of parameters is shrank by 1.e-09 | |
2097 | if((l - f) > 2.e-09) { | |
2098 | C2d = GeomProjLib::Curve2d(C,f,l,S,Tol); | |
2099 | // | |
2100 | if (C2d.IsNull()) { | |
2101 | // proj. a circle that goes through the pole on a sphere to the sphere | |
2102 | Tol=Tol+1.e-7; | |
2103 | C2d = GeomProjLib::Curve2d(C,f,l,S,Tol); | |
2104 | } | |
2105 | } | |
2106 | else { | |
2107 | if((l - f) > Epsilon(Abs(f))) { | |
2108 | GeomAPI_ProjectPointOnSurf aProjector1, aProjector2; | |
2109 | gp_Pnt P1 = C->Value(f); | |
2110 | gp_Pnt P2 = C->Value(l); | |
2111 | aProjector1.Init(P1, S); | |
2112 | aProjector2.Init(P2, S); | |
2113 | ||
2114 | if(aProjector1.IsDone() && aProjector2.IsDone()) { | |
2115 | Standard_Real U=0., V=0.; | |
2116 | aProjector1.LowerDistanceParameters(U, V); | |
2117 | gp_Pnt2d p1(U, V); | |
2118 | ||
2119 | aProjector2.LowerDistanceParameters(U, V); | |
2120 | gp_Pnt2d p2(U, V); | |
2121 | ||
2122 | if(p1.Distance(p2) > gp::Resolution()) { | |
2123 | TColgp_Array1OfPnt2d poles(1,2); | |
2124 | TColStd_Array1OfReal knots(1,2); | |
2125 | TColStd_Array1OfInteger mults(1,2); | |
2126 | poles(1) = p1; | |
2127 | poles(2) = p2; | |
2128 | knots(1) = f; | |
2129 | knots(2) = l; | |
2130 | mults(1) = mults(2) = 2; | |
2131 | ||
2132 | C2d = new Geom2d_BSplineCurve(poles,knots,mults,1); | |
2133 | ||
2134 | // compute reached tolerance.begin | |
2135 | gp_Pnt PMid = C->Value((f + l) * 0.5); | |
2136 | aProjector1.Perform(PMid); | |
2137 | ||
2138 | if(aProjector1.IsDone()) { | |
2139 | aProjector1.LowerDistanceParameters(U, V); | |
2140 | gp_Pnt2d pmidproj(U, V); | |
2141 | gp_Pnt2d pmidcurve2d = C2d->Value((f + l) * 0.5); | |
2142 | Standard_Real adist = pmidcurve2d.Distance(pmidproj); | |
2143 | Tol = (adist > Tol) ? adist : Tol; | |
2144 | } | |
2145 | // compute reached tolerance.end | |
2146 | } | |
2147 | } | |
2148 | } | |
2149 | } | |
2150 | // | |
2151 | S->Bounds(umin, umax, vmin, vmax); | |
2152 | ||
2153 | if (S->IsUPeriodic() && !C2d.IsNull()) { | |
0fc4f2e2 | 2154 | // Recadre dans le domaine UV de la face |
7fd59977 | 2155 | Standard_Real period, U0, du, aEps; |
2156 | ||
2157 | du =0.0; | |
2158 | aEps=Precision::PConfusion(); | |
2159 | period = S->UPeriod(); | |
2160 | gp_Pnt2d Pf = C2d->Value(f); | |
2161 | U0=Pf.X(); | |
2162 | // | |
2163 | gp_Pnt2d Pl = C2d->Value(l); | |
2164 | ||
2165 | U0 = Min(Pl.X(), U0); | |
2166 | // while(U0-umin<aEps) { | |
2167 | while(U0-umin<-aEps) { | |
2168 | U0+=period; | |
2169 | du+=period; | |
2170 | } | |
2171 | // | |
2172 | while(U0-umax>aEps) { | |
2173 | U0-=period; | |
2174 | du-=period; | |
2175 | } | |
2176 | if (du != 0) { | |
2177 | gp_Vec2d T1(du,0.); | |
2178 | C2d->Translate(T1); | |
2179 | } | |
2180 | } | |
2181 | } | |
2182 | if (C2d.IsNull()) { | |
2183 | BOPTColStd_Dump::PrintMessage("BuildPCurves()=> Echec ProjLib\n"); | |
2184 | } | |
2185 | } | |
2186 | ||
2187 | //======================================================================= | |
2188 | //function : Parameters | |
2189 | //purpose : | |
2190 | //======================================================================= | |
2191 | void Parameters(const Handle(GeomAdaptor_HSurface)& HS1, | |
2192 | const Handle(GeomAdaptor_HSurface)& HS2, | |
2193 | const gp_Pnt& Ptref, | |
2194 | Standard_Real& U1, | |
2195 | Standard_Real& V1, | |
2196 | Standard_Real& U2, | |
2197 | Standard_Real& V2) | |
2198 | { | |
2199 | ||
2200 | IntSurf_Quadric quad1,quad2; | |
2201 | GeomAbs_SurfaceType typs = HS1->Surface().GetType(); | |
2202 | ||
2203 | switch (typs) { | |
2204 | case GeomAbs_Plane: | |
2205 | quad1.SetValue(HS1->Surface().Plane()); | |
2206 | break; | |
2207 | case GeomAbs_Cylinder: | |
2208 | quad1.SetValue(HS1->Surface().Cylinder()); | |
2209 | break; | |
2210 | case GeomAbs_Cone: | |
2211 | quad1.SetValue(HS1->Surface().Cone()); | |
2212 | break; | |
2213 | case GeomAbs_Sphere: | |
2214 | quad1.SetValue(HS1->Surface().Sphere()); | |
2215 | break; | |
2216 | default: | |
2217 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve"); | |
2218 | } | |
2219 | ||
2220 | typs = HS2->Surface().GetType(); | |
2221 | switch (typs) { | |
2222 | case GeomAbs_Plane: | |
2223 | quad2.SetValue(HS2->Surface().Plane()); | |
2224 | break; | |
2225 | case GeomAbs_Cylinder: | |
2226 | quad2.SetValue(HS2->Surface().Cylinder()); | |
2227 | break; | |
2228 | case GeomAbs_Cone: | |
2229 | quad2.SetValue(HS2->Surface().Cone()); | |
2230 | break; | |
2231 | case GeomAbs_Sphere: | |
2232 | quad2.SetValue(HS2->Surface().Sphere()); | |
2233 | break; | |
2234 | default: | |
2235 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve"); | |
2236 | } | |
2237 | ||
2238 | quad1.Parameters(Ptref,U1,V1); | |
2239 | quad2.Parameters(Ptref,U2,V2); | |
2240 | } | |
2241 | ||
2242 | //======================================================================= | |
2243 | //function : MakeBSpline | |
2244 | //purpose : | |
2245 | //======================================================================= | |
2246 | Handle(Geom_Curve) MakeBSpline (const Handle(IntPatch_WLine)& WL, | |
2247 | const Standard_Integer ideb, | |
2248 | const Standard_Integer ifin) | |
2249 | { | |
2250 | Standard_Integer i,nbpnt = ifin-ideb+1; | |
2251 | TColgp_Array1OfPnt poles(1,nbpnt); | |
2252 | TColStd_Array1OfReal knots(1,nbpnt); | |
2253 | TColStd_Array1OfInteger mults(1,nbpnt); | |
2254 | Standard_Integer ipidebm1; | |
2255 | for(i=1,ipidebm1=i+ideb-1; i<=nbpnt;ipidebm1++, i++) { | |
2256 | poles(i) = WL->Point(ipidebm1).Value(); | |
2257 | mults(i) = 1; | |
2258 | knots(i) = i-1; | |
2259 | } | |
2260 | mults(1) = mults(nbpnt) = 2; | |
2261 | return | |
2262 | new Geom_BSplineCurve(poles,knots,mults,1); | |
2263 | } | |
2264 | // | |
2265 | ||
2266 | //======================================================================= | |
2267 | //function : MakeBSpline2d | |
2268 | //purpose : | |
2269 | //======================================================================= | |
2270 | Handle(Geom2d_BSplineCurve) MakeBSpline2d(const Handle(IntPatch_WLine)& theWLine, | |
2271 | const Standard_Integer ideb, | |
2272 | const Standard_Integer ifin, | |
2273 | const Standard_Boolean onFirst) | |
2274 | { | |
2275 | Standard_Integer i, nbpnt = ifin-ideb+1; | |
2276 | TColgp_Array1OfPnt2d poles(1,nbpnt); | |
2277 | TColStd_Array1OfReal knots(1,nbpnt); | |
2278 | TColStd_Array1OfInteger mults(1,nbpnt); | |
2279 | Standard_Integer ipidebm1; | |
2280 | ||
2281 | for(i = 1, ipidebm1 = i+ideb-1; i <= nbpnt; ipidebm1++, i++) { | |
2282 | Standard_Real U, V; | |
2283 | if(onFirst) | |
2284 | theWLine->Point(ipidebm1).ParametersOnS1(U, V); | |
2285 | else | |
2286 | theWLine->Point(ipidebm1).ParametersOnS2(U, V); | |
2287 | poles(i).SetCoord(U, V); | |
2288 | mults(i) = 1; | |
2289 | knots(i) = i-1; | |
2290 | } | |
2291 | mults(1) = mults(nbpnt) = 2; | |
2292 | ||
2293 | return new Geom2d_BSplineCurve(poles,knots,mults,1); | |
2294 | } | |
2295 | //======================================================================= | |
2296 | //function : PrepareLines3D | |
2297 | //purpose : | |
2298 | //======================================================================= | |
a9f7b6b5 | 2299 | void IntTools_FaceFace::PrepareLines3D(const Standard_Boolean bToSplit) |
7fd59977 | 2300 | { |
a9f7b6b5 P |
2301 | Standard_Integer i, aNbCurves; |
2302 | GeomAbs_SurfaceType aType1, aType2; | |
7fd59977 | 2303 | IntTools_SequenceOfCurves aNewCvs; |
7fd59977 | 2304 | // |
a9f7b6b5 | 2305 | // 1. Treatment closed curves |
7fd59977 | 2306 | aNbCurves=mySeqOfCurve.Length(); |
a9f7b6b5 | 2307 | for (i=1; i<=aNbCurves; ++i) { |
7fd59977 | 2308 | const IntTools_Curve& aIC=mySeqOfCurve(i); |
7fd59977 | 2309 | // |
a9f7b6b5 P |
2310 | if (bToSplit) { |
2311 | Standard_Integer j, aNbC; | |
2312 | IntTools_SequenceOfCurves aSeqCvs; | |
2313 | // | |
2314 | aNbC=IntTools_Tools::SplitCurve(aIC, aSeqCvs); | |
2315 | if (aNbC) { | |
2316 | for (j=1; j<=aNbC; ++j) { | |
2317 | const IntTools_Curve& aICNew=aSeqCvs(j); | |
2318 | aNewCvs.Append(aICNew); | |
2319 | } | |
2320 | } | |
2321 | else { | |
2322 | aNewCvs.Append(aIC); | |
7fd59977 | 2323 | } |
2324 | } | |
7fd59977 | 2325 | else { |
2326 | aNewCvs.Append(aIC); | |
2327 | } | |
2328 | } | |
2329 | // | |
2330 | // 2. Plane\Cone intersection when we had 4 curves | |
a9f7b6b5 P |
2331 | aType1=myHS1->GetType(); |
2332 | aType2=myHS2->GetType(); | |
2333 | aNbCurves=aNewCvs.Length(); | |
2334 | // | |
7fd59977 | 2335 | if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Cone) || |
2336 | (aType2==GeomAbs_Plane && aType1==GeomAbs_Cone)) { | |
7fd59977 | 2337 | if (aNbCurves==4) { |
a9f7b6b5 P |
2338 | GeomAbs_CurveType aCType1; |
2339 | // | |
2340 | aCType1=aNewCvs(1).Type(); | |
7fd59977 | 2341 | if (aCType1==GeomAbs_Line) { |
2342 | IntTools_SequenceOfCurves aSeqIn, aSeqOut; | |
2343 | // | |
a9f7b6b5 | 2344 | for (i=1; i<=aNbCurves; ++i) { |
7fd59977 | 2345 | const IntTools_Curve& aIC=aNewCvs(i); |
2346 | aSeqIn.Append(aIC); | |
2347 | } | |
2348 | // | |
2349 | IntTools_Tools::RejectLines(aSeqIn, aSeqOut); | |
2350 | // | |
2351 | aNewCvs.Clear(); | |
2352 | aNbCurves=aSeqOut.Length(); | |
a9f7b6b5 | 2353 | for (i=1; i<=aNbCurves; ++i) { |
7fd59977 | 2354 | const IntTools_Curve& aIC=aSeqOut(i); |
2355 | aNewCvs.Append(aIC); | |
2356 | } | |
7fd59977 | 2357 | } |
2358 | } | |
a9f7b6b5 | 2359 | }// if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Cone)... |
7fd59977 | 2360 | // |
2361 | // 3. Fill mySeqOfCurve | |
2362 | mySeqOfCurve.Clear(); | |
2363 | aNbCurves=aNewCvs.Length(); | |
a9f7b6b5 | 2364 | for (i=1; i<=aNbCurves; ++i) { |
7fd59977 | 2365 | const IntTools_Curve& aIC=aNewCvs(i); |
2366 | mySeqOfCurve.Append(aIC); | |
2367 | } | |
7fd59977 | 2368 | } |
7fd59977 | 2369 | //======================================================================= |
2370 | //function : CorrectSurfaceBoundaries | |
2371 | //purpose : | |
2372 | //======================================================================= | |
2373 | void CorrectSurfaceBoundaries(const TopoDS_Face& theFace, | |
2374 | const Standard_Real theTolerance, | |
2375 | Standard_Real& theumin, | |
2376 | Standard_Real& theumax, | |
2377 | Standard_Real& thevmin, | |
2378 | Standard_Real& thevmax) | |
2379 | { | |
2380 | Standard_Boolean enlarge, isuperiodic, isvperiodic; | |
2381 | Standard_Real uinf, usup, vinf, vsup, delta; | |
2382 | GeomAbs_SurfaceType aType; | |
2383 | Handle(Geom_Surface) aSurface; | |
2384 | // | |
2385 | aSurface = BRep_Tool::Surface(theFace); | |
2386 | aSurface->Bounds(uinf, usup, vinf, vsup); | |
2387 | delta = theTolerance; | |
2388 | enlarge = Standard_False; | |
2389 | // | |
2390 | GeomAdaptor_Surface anAdaptorSurface(aSurface); | |
2391 | // | |
2392 | if(aSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) { | |
2393 | Handle(Geom_Surface) aBasisSurface = | |
2394 | (Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface))->BasisSurface(); | |
2395 | ||
2396 | if(aBasisSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) || | |
2397 | aBasisSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) { | |
2398 | return; | |
2399 | } | |
2400 | } | |
2401 | // | |
2402 | if(aSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) { | |
2403 | Handle(Geom_Surface) aBasisSurface = | |
2404 | (Handle(Geom_OffsetSurface)::DownCast(aSurface))->BasisSurface(); | |
2405 | ||
2406 | if(aBasisSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) || | |
2407 | aBasisSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) { | |
2408 | return; | |
2409 | } | |
2410 | } | |
2411 | // | |
2412 | isuperiodic = anAdaptorSurface.IsUPeriodic(); | |
2413 | isvperiodic = anAdaptorSurface.IsVPeriodic(); | |
2414 | // | |
2415 | aType=anAdaptorSurface.GetType(); | |
2416 | if((aType==GeomAbs_BezierSurface) || | |
2417 | (aType==GeomAbs_BSplineSurface) || | |
2418 | (aType==GeomAbs_SurfaceOfExtrusion) || | |
2419 | (aType==GeomAbs_SurfaceOfRevolution)) { | |
2420 | enlarge=Standard_True; | |
2421 | } | |
2422 | // | |
2423 | if(!isuperiodic && enlarge) { | |
2424 | ||
2425 | if((theumin - uinf) > delta ) | |
2426 | theumin -= delta; | |
2427 | else { | |
2428 | theumin = uinf; | |
2429 | } | |
2430 | ||
2431 | if((usup - theumax) > delta ) | |
2432 | theumax += delta; | |
2433 | else | |
2434 | theumax = usup; | |
2435 | } | |
2436 | // | |
2437 | if(!isvperiodic && enlarge) { | |
2438 | if((thevmin - vinf) > delta ) { | |
2439 | thevmin -= delta; | |
2440 | } | |
2441 | else { | |
2442 | thevmin = vinf; | |
2443 | } | |
2444 | if((vsup - thevmax) > delta ) { | |
2445 | thevmax += delta; | |
2446 | } | |
2447 | else { | |
2448 | thevmax = vsup; | |
2449 | } | |
2450 | } | |
2451 | // | |
2452 | { | |
2453 | Standard_Integer aNbP; | |
2454 | Standard_Real aXP, dXfact, aXmid, aX1, aX2, aTolPA; | |
2455 | // | |
2456 | aTolPA=Precision::Angular(); | |
2457 | // U | |
2458 | if (isuperiodic) { | |
2459 | aXP=anAdaptorSurface.UPeriod(); | |
2460 | dXfact=theumax-theumin; | |
2461 | if (dXfact-aTolPA>aXP) { | |
2462 | aXmid=0.5*(theumax+theumin); | |
2463 | aNbP=RealToInt(aXmid/aXP); | |
2464 | if (aXmid<0.) { | |
2465 | aNbP=aNbP-1; | |
2466 | } | |
2467 | aX1=aNbP*aXP; | |
0fc4f2e2 P |
2468 | if (theumin>aTolPA) { |
2469 | aX1=theumin+aNbP*aXP; | |
2470 | } | |
7fd59977 | 2471 | aX2=aX1+aXP; |
2472 | if (theumin<aX1) { | |
2473 | theumin=aX1; | |
2474 | } | |
2475 | if (theumax>aX2) { | |
2476 | theumax=aX2; | |
2477 | } | |
2478 | } | |
2479 | } | |
2480 | // V | |
2481 | if (isvperiodic) { | |
2482 | aXP=anAdaptorSurface.VPeriod(); | |
2483 | dXfact=thevmax-thevmin; | |
2484 | if (dXfact-aTolPA>aXP) { | |
2485 | aXmid=0.5*(thevmax+thevmin); | |
2486 | aNbP=RealToInt(aXmid/aXP); | |
2487 | if (aXmid<0.) { | |
2488 | aNbP=aNbP-1; | |
2489 | } | |
2490 | aX1=aNbP*aXP; | |
0fc4f2e2 P |
2491 | if (thevmin>aTolPA) { |
2492 | aX1=thevmin+aNbP*aXP; | |
2493 | } | |
7fd59977 | 2494 | aX2=aX1+aXP; |
2495 | if (thevmin<aX1) { | |
2496 | thevmin=aX1; | |
2497 | } | |
2498 | if (thevmax>aX2) { | |
2499 | thevmax=aX2; | |
2500 | } | |
2501 | } | |
2502 | } | |
2503 | } | |
2504 | // | |
2505 | if(isuperiodic || isvperiodic) { | |
2506 | Standard_Boolean correct = Standard_False; | |
2507 | Standard_Boolean correctU = Standard_False; | |
2508 | Standard_Boolean correctV = Standard_False; | |
2509 | Bnd_Box2d aBox; | |
2510 | TopExp_Explorer anExp; | |
2511 | ||
2512 | for(anExp.Init(theFace, TopAbs_EDGE); anExp.More(); anExp.Next()) { | |
2513 | if(BRep_Tool::IsClosed(TopoDS::Edge(anExp.Current()), theFace)) { | |
2514 | correct = Standard_True; | |
2515 | Standard_Real f, l; | |
2516 | TopoDS_Edge anEdge = TopoDS::Edge(anExp.Current()); | |
2517 | ||
2518 | for(Standard_Integer i = 0; i < 2; i++) { | |
2519 | if(i==0) { | |
2520 | anEdge.Orientation(TopAbs_FORWARD); | |
2521 | } | |
2522 | else { | |
2523 | anEdge.Orientation(TopAbs_REVERSED); | |
2524 | } | |
2525 | Handle(Geom2d_Curve) aCurve = BRep_Tool::CurveOnSurface(anEdge, theFace, f, l); | |
2526 | ||
2527 | if(aCurve.IsNull()) { | |
2528 | correct = Standard_False; | |
2529 | break; | |
2530 | } | |
2531 | Handle(Geom2d_Line) aLine = Handle(Geom2d_Line)::DownCast(aCurve); | |
2532 | ||
2533 | if(aLine.IsNull()) { | |
2534 | correct = Standard_False; | |
2535 | break; | |
2536 | } | |
2537 | gp_Dir2d anUDir(1., 0.); | |
2538 | gp_Dir2d aVDir(0., 1.); | |
2539 | Standard_Real anAngularTolerance = Precision::Angular(); | |
2540 | ||
2541 | correctU = correctU || aLine->Position().Direction().IsParallel(aVDir, anAngularTolerance); | |
2542 | correctV = correctV || aLine->Position().Direction().IsParallel(anUDir, anAngularTolerance); | |
2543 | ||
2544 | gp_Pnt2d pp1 = aCurve->Value(f); | |
2545 | aBox.Add(pp1); | |
2546 | gp_Pnt2d pp2 = aCurve->Value(l); | |
2547 | aBox.Add(pp2); | |
2548 | } | |
2549 | if(!correct) | |
2550 | break; | |
2551 | } | |
2552 | } | |
2553 | ||
2554 | if(correct) { | |
2555 | Standard_Real umin, vmin, umax, vmax; | |
2556 | aBox.Get(umin, vmin, umax, vmax); | |
2557 | ||
2558 | if(isuperiodic && correctU) { | |
2559 | ||
2560 | if(theumin < umin) | |
2561 | theumin = umin; | |
2562 | ||
2563 | if(theumax > umax) { | |
2564 | theumax = umax; | |
2565 | } | |
2566 | } | |
2567 | if(isvperiodic && correctV) { | |
2568 | ||
2569 | if(thevmin < vmin) | |
2570 | thevmin = vmin; | |
2571 | if(thevmax > vmax) | |
2572 | thevmax = vmax; | |
2573 | } | |
2574 | } | |
2575 | } | |
2576 | } | |
2577 | // | |
2578 | // | |
2579 | // The block is dedicated to determine whether WLine [ifprm, ilprm] | |
2580 | // crosses the degenerated zone on each given surface or not. | |
2581 | // If Yes -> We will not use info about surfaces during approximation | |
8e0115e4 | 2582 | // because inside degenerated zone of the surface the approx. algo. |
7fd59977 | 2583 | // uses wrong values of normal, etc., and resulting curve will have |
2584 | // oscillations that we would not like to have. | |
2585 | // PKV Tue Feb 12 2002 | |
2586 | ||
2587 | ||
2588 | static | |
2589 | Standard_Boolean IsDegeneratedZone(const gp_Pnt2d& aP2d, | |
2590 | const Handle(Geom_Surface)& aS, | |
2591 | const Standard_Integer iDir); | |
2592 | static | |
2593 | Standard_Boolean IsPointInDegeneratedZone(const IntSurf_PntOn2S& aP2S, | |
2594 | const TopoDS_Face& aF1, | |
2595 | const TopoDS_Face& aF2); | |
2596 | //======================================================================= | |
2597 | //function : NotUseSurfacesForApprox | |
2598 | //purpose : | |
2599 | //======================================================================= | |
2600 | Standard_Boolean NotUseSurfacesForApprox(const TopoDS_Face& aF1, | |
2601 | const TopoDS_Face& aF2, | |
2602 | const Handle(IntPatch_WLine)& WL, | |
2603 | const Standard_Integer ifprm, | |
2604 | const Standard_Integer ilprm) | |
2605 | { | |
2606 | Standard_Boolean bPInDZ; | |
2607 | ||
2608 | Handle(IntSurf_LineOn2S) aLineOn2S=WL->Curve(); | |
2609 | ||
2610 | const IntSurf_PntOn2S& aP2Sfprm=aLineOn2S->Value(ifprm); | |
2611 | bPInDZ=IsPointInDegeneratedZone(aP2Sfprm, aF1, aF2); | |
2612 | if (bPInDZ) { | |
2613 | return bPInDZ; | |
2614 | } | |
2615 | ||
2616 | const IntSurf_PntOn2S& aP2Slprm=aLineOn2S->Value(ilprm); | |
2617 | bPInDZ=IsPointInDegeneratedZone(aP2Slprm, aF1, aF2); | |
2618 | ||
2619 | return bPInDZ; | |
2620 | } | |
2621 | //======================================================================= | |
2622 | //function : IsPointInDegeneratedZone | |
2623 | //purpose : | |
2624 | //======================================================================= | |
2625 | Standard_Boolean IsPointInDegeneratedZone(const IntSurf_PntOn2S& aP2S, | |
2626 | const TopoDS_Face& aF1, | |
2627 | const TopoDS_Face& aF2) | |
2628 | ||
2629 | { | |
2630 | Standard_Boolean bFlag=Standard_True; | |
2631 | Standard_Real US11, US12, VS11, VS12, US21, US22, VS21, VS22; | |
2632 | Standard_Real U1, V1, U2, V2, aDelta, aD; | |
2633 | gp_Pnt2d aP2d; | |
2634 | ||
2635 | Handle(Geom_Surface)aS1 = BRep_Tool::Surface(aF1); | |
2636 | aS1->Bounds(US11, US12, VS11, VS12); | |
2637 | GeomAdaptor_Surface aGAS1(aS1); | |
2638 | ||
2639 | Handle(Geom_Surface)aS2 = BRep_Tool::Surface(aF2); | |
2640 | aS1->Bounds(US21, US22, VS21, VS22); | |
2641 | GeomAdaptor_Surface aGAS2(aS2); | |
2642 | // | |
2643 | //const gp_Pnt& aP=aP2S.Value(); | |
2644 | aP2S.Parameters(U1, V1, U2, V2); | |
2645 | // | |
2646 | aDelta=1.e-7; | |
2647 | // Check on Surf 1 | |
2648 | aD=aGAS1.UResolution(aDelta); | |
2649 | aP2d.SetCoord(U1, V1); | |
2650 | if (fabs(U1-US11) < aD) { | |
2651 | bFlag=IsDegeneratedZone(aP2d, aS1, 1); | |
2652 | if (bFlag) { | |
2653 | return bFlag; | |
2654 | } | |
2655 | } | |
2656 | if (fabs(U1-US12) < aD) { | |
2657 | bFlag=IsDegeneratedZone(aP2d, aS1, 1); | |
2658 | if (bFlag) { | |
2659 | return bFlag; | |
2660 | } | |
2661 | } | |
2662 | aD=aGAS1.VResolution(aDelta); | |
2663 | if (fabs(V1-VS11) < aDelta) { | |
2664 | bFlag=IsDegeneratedZone(aP2d, aS1, 2); | |
2665 | if (bFlag) { | |
2666 | return bFlag; | |
2667 | } | |
2668 | } | |
2669 | if (fabs(V1-VS12) < aDelta) { | |
2670 | bFlag=IsDegeneratedZone(aP2d, aS1, 2); | |
2671 | if (bFlag) { | |
2672 | return bFlag; | |
2673 | } | |
2674 | } | |
2675 | // Check on Surf 2 | |
2676 | aD=aGAS2.UResolution(aDelta); | |
2677 | aP2d.SetCoord(U2, V2); | |
2678 | if (fabs(U2-US21) < aDelta) { | |
2679 | bFlag=IsDegeneratedZone(aP2d, aS2, 1); | |
2680 | if (bFlag) { | |
2681 | return bFlag; | |
2682 | } | |
2683 | } | |
2684 | if (fabs(U2-US22) < aDelta) { | |
2685 | bFlag=IsDegeneratedZone(aP2d, aS2, 1); | |
2686 | if (bFlag) { | |
2687 | return bFlag; | |
2688 | } | |
2689 | } | |
2690 | aD=aGAS2.VResolution(aDelta); | |
2691 | if (fabs(V2-VS21) < aDelta) { | |
2692 | bFlag=IsDegeneratedZone(aP2d, aS2, 2); | |
2693 | if (bFlag) { | |
2694 | return bFlag; | |
2695 | } | |
2696 | } | |
2697 | if (fabs(V2-VS22) < aDelta) { | |
2698 | bFlag=IsDegeneratedZone(aP2d, aS2, 2); | |
2699 | if (bFlag) { | |
2700 | return bFlag; | |
2701 | } | |
2702 | } | |
2703 | return !bFlag; | |
2704 | } | |
2705 | ||
2706 | //======================================================================= | |
2707 | //function : IsDegeneratedZone | |
2708 | //purpose : | |
2709 | //======================================================================= | |
2710 | Standard_Boolean IsDegeneratedZone(const gp_Pnt2d& aP2d, | |
2711 | const Handle(Geom_Surface)& aS, | |
2712 | const Standard_Integer iDir) | |
2713 | { | |
2714 | Standard_Boolean bFlag=Standard_True; | |
2715 | Standard_Real US1, US2, VS1, VS2, dY, dX, d1, d2, dD; | |
2716 | Standard_Real aXm, aYm, aXb, aYb, aXe, aYe; | |
2717 | aS->Bounds(US1, US2, VS1, VS2); | |
2718 | ||
2719 | gp_Pnt aPm, aPb, aPe; | |
2720 | ||
2721 | aXm=aP2d.X(); | |
2722 | aYm=aP2d.Y(); | |
2723 | ||
2724 | aS->D0(aXm, aYm, aPm); | |
2725 | ||
2726 | dX=1.e-5; | |
2727 | dY=1.e-5; | |
2728 | dD=1.e-12; | |
2729 | ||
2730 | if (iDir==1) { | |
2731 | aXb=aXm; | |
2732 | aXe=aXm; | |
2733 | aYb=aYm-dY; | |
2734 | if (aYb < VS1) { | |
2735 | aYb=VS1; | |
2736 | } | |
2737 | aYe=aYm+dY; | |
2738 | if (aYe > VS2) { | |
2739 | aYe=VS2; | |
2740 | } | |
2741 | aS->D0(aXb, aYb, aPb); | |
2742 | aS->D0(aXe, aYe, aPe); | |
2743 | ||
2744 | d1=aPm.Distance(aPb); | |
2745 | d2=aPm.Distance(aPe); | |
2746 | if (d1 < dD && d2 < dD) { | |
2747 | return bFlag; | |
2748 | } | |
2749 | return !bFlag; | |
2750 | } | |
2751 | // | |
2752 | else if (iDir==2) { | |
2753 | aYb=aYm; | |
2754 | aYe=aYm; | |
2755 | aXb=aXm-dX; | |
2756 | if (aXb < US1) { | |
2757 | aXb=US1; | |
2758 | } | |
2759 | aXe=aXm+dX; | |
2760 | if (aXe > US2) { | |
2761 | aXe=US2; | |
2762 | } | |
2763 | aS->D0(aXb, aYb, aPb); | |
2764 | aS->D0(aXe, aYe, aPe); | |
2765 | ||
2766 | d1=aPm.Distance(aPb); | |
2767 | d2=aPm.Distance(aPe); | |
2768 | if (d1 < dD && d2 < dD) { | |
2769 | return bFlag; | |
2770 | } | |
2771 | return !bFlag; | |
2772 | } | |
2773 | return !bFlag; | |
2774 | } | |
2775 | ||
2776 | //========================================================================= | |
2777 | // static function : ComputePurgedWLine | |
2778 | // purpose : Removes equal points (leave one of equal points) from theWLine | |
2779 | // and recompute vertex parameters. | |
2780 | // Returns new WLine or null WLine if the number | |
2781 | // of the points is less than 2. | |
2782 | //========================================================================= | |
2783 | Handle(IntPatch_WLine) ComputePurgedWLine(const Handle(IntPatch_WLine)& theWLine) { | |
3928aec6 | 2784 | |
3928aec6 | 2785 | Standard_Integer i, k, v, nb, nbvtx; |
7fd59977 | 2786 | Handle(IntPatch_WLine) aResult; |
3928aec6 P |
2787 | nbvtx = theWLine->NbVertex(); |
2788 | nb = theWLine->NbPnts(); | |
2789 | if (nb==2) { | |
2790 | const IntSurf_PntOn2S& p1 = theWLine->Point(1); | |
2791 | const IntSurf_PntOn2S& p2 = theWLine->Point(2); | |
2792 | if(p1.Value().IsEqual(p2.Value(), gp::Resolution())) { | |
2793 | return aResult; | |
2794 | } | |
2795 | } | |
2796 | // | |
7fd59977 | 2797 | Handle(IntPatch_WLine) aLocalWLine; |
2798 | Handle(IntPatch_WLine) aTmpWLine = theWLine; | |
7fd59977 | 2799 | Handle(IntSurf_LineOn2S) aLineOn2S = new IntSurf_LineOn2S(); |
2800 | aLocalWLine = new IntPatch_WLine(aLineOn2S, Standard_False); | |
7fd59977 | 2801 | for(i = 1; i <= nb; i++) { |
2802 | aLineOn2S->Add(theWLine->Point(i)); | |
2803 | } | |
2804 | ||
2805 | for(v = 1; v <= nbvtx; v++) { | |
2806 | aLocalWLine->AddVertex(theWLine->Vertex(v)); | |
2807 | } | |
2808 | ||
2809 | for(i = 1; i <= aLineOn2S->NbPoints(); i++) { | |
2810 | Standard_Integer aStartIndex = i + 1; | |
2811 | Standard_Integer anEndIndex = i + 5; | |
2812 | nb = aLineOn2S->NbPoints(); | |
2813 | anEndIndex = (anEndIndex > nb) ? nb : anEndIndex; | |
2814 | ||
a2eede02 | 2815 | if((aStartIndex > nb) || (anEndIndex <= 1)) { |
7fd59977 | 2816 | continue; |
2817 | } | |
2818 | k = aStartIndex; | |
2819 | ||
2820 | while(k <= anEndIndex) { | |
2821 | ||
2822 | if(i != k) { | |
2823 | IntSurf_PntOn2S p1 = aLineOn2S->Value(i); | |
2824 | IntSurf_PntOn2S p2 = aLineOn2S->Value(k); | |
2825 | ||
2826 | if(p1.Value().IsEqual(p2.Value(), gp::Resolution())) { | |
2827 | aTmpWLine = aLocalWLine; | |
2828 | aLocalWLine = new IntPatch_WLine(aLineOn2S, Standard_False); | |
2829 | ||
2830 | for(v = 1; v <= aTmpWLine->NbVertex(); v++) { | |
2831 | IntPatch_Point aVertex = aTmpWLine->Vertex(v); | |
2832 | Standard_Integer avertexindex = (Standard_Integer)aVertex.ParameterOnLine(); | |
2833 | ||
2834 | if(avertexindex >= k) { | |
2835 | aVertex.SetParameter(aVertex.ParameterOnLine() - 1.); | |
2836 | } | |
2837 | aLocalWLine->AddVertex(aVertex); | |
2838 | } | |
2839 | aLineOn2S->RemovePoint(k); | |
2840 | anEndIndex--; | |
2841 | continue; | |
2842 | } | |
2843 | } | |
2844 | k++; | |
2845 | } | |
2846 | } | |
2847 | ||
2848 | if(aLineOn2S->NbPoints() > 1) { | |
2849 | aResult = aLocalWLine; | |
2850 | } | |
2851 | return aResult; | |
2852 | } | |
2853 | ||
2854 | //======================================================================= | |
2855 | //function : TolR3d | |
2856 | //purpose : | |
2857 | //======================================================================= | |
2858 | void TolR3d(const TopoDS_Face& aF1, | |
2859 | const TopoDS_Face& aF2, | |
2860 | Standard_Real& myTolReached3d) | |
2861 | { | |
2862 | Standard_Real aTolF1, aTolF2, aTolFMax, aTolTresh; | |
2863 | ||
2864 | aTolTresh=2.999999e-3; | |
2865 | aTolF1 = BRep_Tool::Tolerance(aF1); | |
2866 | aTolF2 = BRep_Tool::Tolerance(aF2); | |
2867 | aTolFMax=Max(aTolF1, aTolF2); | |
2868 | ||
2869 | if (aTolFMax>aTolTresh) { | |
2870 | myTolReached3d=aTolFMax; | |
2871 | } | |
2872 | } | |
2873 | //======================================================================= | |
2874 | //function : AdjustPeriodic | |
2875 | //purpose : | |
2876 | //======================================================================= | |
2877 | Standard_Real AdjustPeriodic(const Standard_Real theParameter, | |
2878 | const Standard_Real parmin, | |
2879 | const Standard_Real parmax, | |
2880 | const Standard_Real thePeriod, | |
2881 | Standard_Real& theOffset) | |
2882 | { | |
2883 | Standard_Real aresult; | |
2884 | // | |
2885 | theOffset = 0.; | |
2886 | aresult = theParameter; | |
2887 | while(aresult < parmin) { | |
2888 | aresult += thePeriod; | |
2889 | theOffset += thePeriod; | |
2890 | } | |
2891 | ||
2892 | while(aresult > parmax) { | |
2893 | aresult -= thePeriod; | |
2894 | theOffset -= thePeriod; | |
2895 | } | |
2896 | return aresult; | |
2897 | } | |
2898 | //======================================================================= | |
2899 | //function : IsPointOnBoundary | |
2900 | //purpose : | |
2901 | //======================================================================= | |
2902 | Standard_Boolean IsPointOnBoundary(const Standard_Real theParameter, | |
2903 | const Standard_Real theFirstBoundary, | |
2904 | const Standard_Real theSecondBoundary, | |
2905 | const Standard_Real theResolution, | |
2906 | Standard_Boolean& IsOnFirstBoundary) | |
2907 | { | |
2908 | Standard_Boolean bRet; | |
2909 | Standard_Integer i; | |
2910 | Standard_Real adist; | |
2911 | // | |
2912 | bRet=Standard_False; | |
2913 | for(i = 0; i < 2; ++i) { | |
2914 | IsOnFirstBoundary = (i == 0); | |
2915 | if (IsOnFirstBoundary) { | |
2916 | adist = fabs(theParameter - theFirstBoundary); | |
2917 | } | |
2918 | else { | |
2919 | adist = fabs(theParameter - theSecondBoundary); | |
2920 | } | |
2921 | if(adist < theResolution) { | |
2922 | return !bRet; | |
2923 | } | |
2924 | } | |
2925 | return bRet; | |
2926 | } | |
2927 | // ------------------------------------------------------------------------------------------------ | |
2928 | // static function: FindPoint | |
2929 | // purpose: | |
2930 | // ------------------------------------------------------------------------------------------------ | |
2931 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, | |
2932 | const gp_Pnt2d& theLastPoint, | |
2933 | const Standard_Real theUmin, | |
2934 | const Standard_Real theUmax, | |
2935 | const Standard_Real theVmin, | |
2936 | const Standard_Real theVmax, | |
2937 | gp_Pnt2d& theNewPoint) { | |
2938 | ||
2939 | gp_Vec2d aVec(theFirstPoint, theLastPoint); | |
2940 | Standard_Integer i = 0, j = 0; | |
2941 | ||
2942 | for(i = 0; i < 4; i++) { | |
2943 | gp_Vec2d anOtherVec; | |
2944 | gp_Vec2d anOtherVecNormal; | |
2945 | gp_Pnt2d aprojpoint = theLastPoint; | |
2946 | ||
2947 | if((i % 2) == 0) { | |
2948 | anOtherVec.SetX(0.); | |
2949 | anOtherVec.SetY(1.); | |
2950 | anOtherVecNormal.SetX(1.); | |
2951 | anOtherVecNormal.SetY(0.); | |
2952 | ||
2953 | if(i < 2) | |
2954 | aprojpoint.SetX(theUmin); | |
2955 | else | |
2956 | aprojpoint.SetX(theUmax); | |
2957 | } | |
2958 | else { | |
2959 | anOtherVec.SetX(1.); | |
2960 | anOtherVec.SetY(0.); | |
2961 | anOtherVecNormal.SetX(0.); | |
2962 | anOtherVecNormal.SetY(1.); | |
2963 | ||
2964 | if(i < 2) | |
2965 | aprojpoint.SetY(theVmin); | |
2966 | else | |
2967 | aprojpoint.SetY(theVmax); | |
2968 | } | |
2969 | gp_Vec2d anormvec = aVec; | |
2970 | anormvec.Normalize(); | |
fa9681ca | 2971 | RefineVector(anormvec); |
7fd59977 | 2972 | Standard_Real adot1 = anormvec.Dot(anOtherVecNormal); |
2973 | ||
2974 | if(fabs(adot1) < Precision::Angular()) | |
2975 | continue; | |
2976 | Standard_Real adist = 0.; | |
2977 | Standard_Boolean bIsOut = Standard_False; | |
2978 | ||
2979 | if((i % 2) == 0) { | |
2980 | adist = (i < 2) ? fabs(theLastPoint.X() - theUmin) : fabs(theLastPoint.X() - theUmax); | |
2981 | bIsOut = (i < 2) ? (theLastPoint.X() < theUmin) : (theLastPoint.X() > theUmax); | |
2982 | } | |
2983 | else { | |
2984 | adist = (i < 2) ? fabs(theLastPoint.Y() - theVmin) : fabs(theLastPoint.Y() - theVmax); | |
2985 | bIsOut = (i < 2) ? (theLastPoint.Y() < theVmin) : (theLastPoint.Y() > theVmax); | |
2986 | } | |
2987 | Standard_Real anoffset = adist * anOtherVec.Dot(anormvec) / adot1; | |
2988 | ||
2989 | for(j = 0; j < 2; j++) { | |
2990 | anoffset = (j == 0) ? anoffset : -anoffset; | |
2991 | gp_Pnt2d acurpoint(aprojpoint.XY() + (anOtherVec.XY()*anoffset)); | |
2992 | gp_Vec2d acurvec(theLastPoint, acurpoint); | |
2993 | if ( bIsOut ) | |
2994 | acurvec.Reverse(); | |
2995 | ||
9e9df9d9 P |
2996 | Standard_Real aDotX, anAngleX; |
2997 | // | |
2998 | aDotX = aVec.Dot(acurvec); | |
2999 | anAngleX = aVec.Angle(acurvec); | |
3000 | // | |
3001 | if(aDotX > 0. && fabs(anAngleX) < Precision::PConfusion()) { | |
7fd59977 | 3002 | if((i % 2) == 0) { |
3003 | if((acurpoint.Y() >= theVmin) && | |
3004 | (acurpoint.Y() <= theVmax)) { | |
3005 | theNewPoint = acurpoint; | |
3006 | return Standard_True; | |
3007 | } | |
3008 | } | |
3009 | else { | |
3010 | if((acurpoint.X() >= theUmin) && | |
3011 | (acurpoint.X() <= theUmax)) { | |
3012 | theNewPoint = acurpoint; | |
3013 | return Standard_True; | |
3014 | } | |
3015 | } | |
3016 | } | |
3017 | } | |
3018 | } | |
3019 | return Standard_False; | |
3020 | } | |
3021 | ||
3022 | ||
3023 | // ------------------------------------------------------------------------------------------------ | |
3024 | // static function: FindPoint | |
3025 | // purpose: Find point on the boundary of radial tangent zone | |
3026 | // ------------------------------------------------------------------------------------------------ | |
3027 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, | |
3028 | const gp_Pnt2d& theLastPoint, | |
3029 | const Standard_Real theUmin, | |
3030 | const Standard_Real theUmax, | |
3031 | const Standard_Real theVmin, | |
3032 | const Standard_Real theVmax, | |
3033 | const gp_Pnt2d& theTanZoneCenter, | |
3034 | const Standard_Real theZoneRadius, | |
3035 | Handle(GeomAdaptor_HSurface) theGASurface, | |
3036 | gp_Pnt2d& theNewPoint) { | |
3037 | theNewPoint = theLastPoint; | |
3038 | ||
3039 | if ( !IsInsideTanZone( theLastPoint, theTanZoneCenter, theZoneRadius, theGASurface) ) | |
3040 | return Standard_False; | |
3041 | ||
3042 | Standard_Real aUResolution = theGASurface->UResolution( theZoneRadius ); | |
3043 | Standard_Real aVResolution = theGASurface->VResolution( theZoneRadius ); | |
3044 | ||
3045 | Standard_Real aRadius = ( aUResolution < aVResolution ) ? aUResolution : aVResolution; | |
3046 | gp_Ax22d anAxis( theTanZoneCenter, gp_Dir2d(1, 0), gp_Dir2d(0, 1) ); | |
3047 | gp_Circ2d aCircle( anAxis, aRadius ); | |
3048 | ||
3049 | // | |
3050 | gp_Vec2d aDir( theLastPoint.XY() - theFirstPoint.XY() ); | |
3051 | Standard_Real aLength = aDir.Magnitude(); | |
3052 | if ( aLength <= gp::Resolution() ) | |
3053 | return Standard_False; | |
3054 | gp_Lin2d aLine( theFirstPoint, aDir ); | |
3055 | ||
3056 | // | |
3057 | Handle(Geom2d_Line) aCLine = new Geom2d_Line( aLine ); | |
3058 | Handle(Geom2d_TrimmedCurve) aC1 = new Geom2d_TrimmedCurve( aCLine, 0, aLength ); | |
3059 | Handle(Geom2d_Circle) aC2 = new Geom2d_Circle( aCircle ); | |
3060 | ||
3061 | Standard_Real aTol = aRadius * 0.001; | |
3062 | aTol = ( aTol < Precision::PConfusion() ) ? Precision::PConfusion() : aTol; | |
3063 | ||
3064 | Geom2dAPI_InterCurveCurve anIntersector; | |
3065 | anIntersector.Init( aC1, aC2, aTol ); | |
3066 | ||
3067 | if ( anIntersector.NbPoints() == 0 ) | |
3068 | return Standard_False; | |
3069 | ||
3070 | Standard_Boolean aFound = Standard_False; | |
3071 | Standard_Real aMinDist = aLength * aLength; | |
3072 | Standard_Integer i = 0; | |
3073 | for ( i = 1; i <= anIntersector.NbPoints(); i++ ) { | |
3074 | gp_Pnt2d aPInt = anIntersector.Point( i ); | |
3075 | if ( aPInt.SquareDistance( theFirstPoint ) < aMinDist ) { | |
3076 | if ( ( aPInt.X() >= theUmin ) && ( aPInt.X() <= theUmax ) && | |
3077 | ( aPInt.Y() >= theVmin ) && ( aPInt.Y() <= theVmax ) ) { | |
3078 | theNewPoint = aPInt; | |
3079 | aFound = Standard_True; | |
3080 | } | |
3081 | } | |
3082 | } | |
3083 | ||
3084 | return aFound; | |
3085 | } | |
3086 | ||
3087 | // ------------------------------------------------------------------------------------------------ | |
3088 | // static function: IsInsideTanZone | |
3089 | // purpose: Check if point is inside a radial tangent zone | |
3090 | // ------------------------------------------------------------------------------------------------ | |
3091 | Standard_Boolean IsInsideTanZone(const gp_Pnt2d& thePoint, | |
3092 | const gp_Pnt2d& theTanZoneCenter, | |
3093 | const Standard_Real theZoneRadius, | |
3094 | Handle(GeomAdaptor_HSurface) theGASurface) { | |
3095 | ||
3096 | Standard_Real aUResolution = theGASurface->UResolution( theZoneRadius ); | |
3097 | Standard_Real aVResolution = theGASurface->VResolution( theZoneRadius ); | |
3098 | Standard_Real aRadiusSQR = ( aUResolution < aVResolution ) ? aUResolution : aVResolution; | |
3099 | aRadiusSQR *= aRadiusSQR; | |
3100 | if ( thePoint.SquareDistance( theTanZoneCenter ) <= aRadiusSQR ) | |
3101 | return Standard_True; | |
3102 | return Standard_False; | |
3103 | } | |
3104 | ||
3105 | // ------------------------------------------------------------------------------------------------ | |
3106 | // static function: CheckTangentZonesExist | |
3107 | // purpose: Check if tangent zone exists | |
3108 | // ------------------------------------------------------------------------------------------------ | |
3109 | Standard_Boolean CheckTangentZonesExist( const Handle(GeomAdaptor_HSurface)& theSurface1, | |
3110 | const Handle(GeomAdaptor_HSurface)& theSurface2 ) | |
3111 | { | |
3112 | if ( ( theSurface1->GetType() != GeomAbs_Torus ) || | |
3113 | ( theSurface2->GetType() != GeomAbs_Torus ) ) | |
3114 | return Standard_False; | |
3115 | ||
7fd59977 | 3116 | gp_Torus aTor1 = theSurface1->Torus(); |
3117 | gp_Torus aTor2 = theSurface2->Torus(); | |
3118 | ||
3119 | if ( aTor1.Location().Distance( aTor2.Location() ) > Precision::Confusion() ) | |
3120 | return Standard_False; | |
3121 | ||
3122 | if ( ( fabs( aTor1.MajorRadius() - aTor2.MajorRadius() ) > Precision::Confusion() ) || | |
3123 | ( fabs( aTor1.MinorRadius() - aTor2.MinorRadius() ) > Precision::Confusion() ) ) | |
3124 | return Standard_False; | |
3125 | ||
3126 | if ( ( aTor1.MajorRadius() < aTor1.MinorRadius() ) || | |
3127 | ( aTor2.MajorRadius() < aTor2.MinorRadius() ) ) | |
3128 | return Standard_False; | |
3129 | return Standard_True; | |
3130 | } | |
3131 | ||
3132 | // ------------------------------------------------------------------------------------------------ | |
3133 | // static function: ComputeTangentZones | |
3134 | // purpose: | |
3135 | // ------------------------------------------------------------------------------------------------ | |
3136 | Standard_Integer ComputeTangentZones( const Handle(GeomAdaptor_HSurface)& theSurface1, | |
3137 | const Handle(GeomAdaptor_HSurface)& theSurface2, | |
3138 | const TopoDS_Face& theFace1, | |
3139 | const TopoDS_Face& theFace2, | |
3140 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS1, | |
3141 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS2, | |
4f189102 P |
3142 | Handle(TColStd_HArray1OfReal)& theResultRadius, |
3143 | const Handle(IntTools_Context)& aContext) | |
3144 | { | |
7fd59977 | 3145 | Standard_Integer aResult = 0; |
3146 | if ( !CheckTangentZonesExist( theSurface1, theSurface2 ) ) | |
3147 | return aResult; | |
3148 | ||
7fd59977 | 3149 | |
3150 | TColgp_SequenceOfPnt2d aSeqResultS1, aSeqResultS2; | |
3151 | TColStd_SequenceOfReal aSeqResultRad; | |
3152 | ||
3153 | gp_Torus aTor1 = theSurface1->Torus(); | |
3154 | gp_Torus aTor2 = theSurface2->Torus(); | |
3155 | ||
3156 | gp_Ax2 anax1( aTor1.Location(), aTor1.Axis().Direction() ); | |
3157 | gp_Ax2 anax2( aTor2.Location(), aTor2.Axis().Direction() ); | |
3158 | Standard_Integer j = 0; | |
3159 | ||
3160 | for ( j = 0; j < 2; j++ ) { | |
3161 | Standard_Real aCoef = ( j == 0 ) ? -1 : 1; | |
3162 | Standard_Real aRadius1 = fabs(aTor1.MajorRadius() + aCoef * aTor1.MinorRadius()); | |
3163 | Standard_Real aRadius2 = fabs(aTor2.MajorRadius() + aCoef * aTor2.MinorRadius()); | |
3164 | ||
3165 | gp_Circ aCircle1( anax1, aRadius1 ); | |
3166 | gp_Circ aCircle2( anax2, aRadius2 ); | |
3167 | ||
3168 | // roughly compute radius of tangent zone for perpendicular case | |
3169 | Standard_Real aCriteria = Precision::Confusion() * 0.5; | |
3170 | ||
3171 | Standard_Real aT1 = aCriteria; | |
3172 | Standard_Real aT2 = aCriteria; | |
3173 | if ( j == 0 ) { | |
3174 | // internal tangency | |
3175 | Standard_Real aR = ( aRadius1 > aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius(); | |
3176 | //aT1 = aCriteria * aCriteria + aR * aR - ( aR - aCriteria ) * ( aR - aCriteria ); | |
3177 | aT1 = 2. * aR * aCriteria; | |
3178 | aT2 = aT1; | |
3179 | } | |
3180 | else { | |
3181 | // external tangency | |
3182 | Standard_Real aRb = ( aRadius1 > aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius(); | |
3183 | Standard_Real aRm = ( aRadius1 < aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius(); | |
3184 | Standard_Real aDelta = aRb - aCriteria; | |
3185 | aDelta *= aDelta; | |
3186 | aDelta -= aRm * aRm; | |
3187 | aDelta /= 2. * (aRb - aRm); | |
3188 | aDelta -= 0.5 * (aRb - aRm); | |
3189 | ||
3190 | aT1 = 2. * aRm * (aRm - aDelta); | |
3191 | aT2 = aT1; | |
3192 | } | |
3193 | aCriteria = ( aT1 > aT2) ? aT1 : aT2; | |
3194 | if ( aCriteria > 0 ) | |
3195 | aCriteria = sqrt( aCriteria ); | |
3196 | ||
3197 | if ( aCriteria > 0.5 * aTor1.MinorRadius() ) { | |
3198 | // too big zone -> drop to minimum | |
3199 | aCriteria = Precision::Confusion(); | |
3200 | } | |
3201 | ||
3202 | GeomAdaptor_Curve aC1( new Geom_Circle(aCircle1) ); | |
3203 | GeomAdaptor_Curve aC2( new Geom_Circle(aCircle2) ); | |
c6541a0c | 3204 | Extrema_ExtCC anExtrema(aC1, aC2, 0, 2. * M_PI, 0, 2. * M_PI, |
7fd59977 | 3205 | Precision::PConfusion(), Precision::PConfusion()); |
3206 | ||
3207 | if ( anExtrema.IsDone() ) { | |
3208 | ||
3209 | Standard_Integer i = 0; | |
3210 | for ( i = 1; i <= anExtrema.NbExt(); i++ ) { | |
3211 | if ( anExtrema.SquareDistance(i) > aCriteria * aCriteria ) | |
3212 | continue; | |
3213 | ||
3214 | Extrema_POnCurv P1, P2; | |
3215 | anExtrema.Points( i, P1, P2 ); | |
3216 | ||
3217 | Standard_Boolean bFoundResult = Standard_True; | |
3218 | gp_Pnt2d pr1, pr2; | |
3219 | ||
3220 | Standard_Integer surfit = 0; | |
3221 | for ( surfit = 0; surfit < 2; surfit++ ) { | |
4f189102 P |
3222 | GeomAPI_ProjectPointOnSurf& aProjector = |
3223 | (surfit == 0) ? aContext->ProjPS(theFace1) : aContext->ProjPS(theFace2); | |
7fd59977 | 3224 | |
3225 | gp_Pnt aP3d = (surfit == 0) ? P1.Value() : P2.Value(); | |
3226 | aProjector.Perform(aP3d); | |
3227 | ||
3228 | if(!aProjector.IsDone()) | |
3229 | bFoundResult = Standard_False; | |
3230 | else { | |
3231 | if(aProjector.LowerDistance() > aCriteria) { | |
3232 | bFoundResult = Standard_False; | |
3233 | } | |
3234 | else { | |
3235 | Standard_Real foundU = 0, foundV = 0; | |
3236 | aProjector.LowerDistanceParameters(foundU, foundV); | |
3237 | if ( surfit == 0 ) | |
3238 | pr1 = gp_Pnt2d( foundU, foundV ); | |
3239 | else | |
3240 | pr2 = gp_Pnt2d( foundU, foundV ); | |
3241 | } | |
3242 | } | |
3243 | } | |
3244 | if ( bFoundResult ) { | |
3245 | aSeqResultS1.Append( pr1 ); | |
3246 | aSeqResultS2.Append( pr2 ); | |
3247 | aSeqResultRad.Append( aCriteria ); | |
3248 | ||
3249 | // torus is u and v periodic | |
c6541a0c | 3250 | const Standard_Real twoPI = M_PI + M_PI; |
7fd59977 | 3251 | Standard_Real arr1tmp[2] = {pr1.X(), pr1.Y()}; |
3252 | Standard_Real arr2tmp[2] = {pr2.X(), pr2.Y()}; | |
3253 | ||
3254 | // iteration on period bounds | |
3255 | for ( Standard_Integer k1 = 0; k1 < 2; k1++ ) { | |
3256 | Standard_Real aBound = ( k1 == 0 ) ? 0 : twoPI; | |
3257 | Standard_Real aShift = ( k1 == 0 ) ? twoPI : -twoPI; | |
3258 | ||
3259 | // iteration on surfaces | |
3260 | for ( Standard_Integer k2 = 0; k2 < 2; k2++ ) { | |
3261 | Standard_Real* arr1 = ( k2 == 0 ) ? arr1tmp : arr2tmp; | |
3262 | Standard_Real* arr2 = ( k2 != 0 ) ? arr1tmp : arr2tmp; | |
3263 | TColgp_SequenceOfPnt2d& aSeqS1 = ( k2 == 0 ) ? aSeqResultS1 : aSeqResultS2; | |
3264 | TColgp_SequenceOfPnt2d& aSeqS2 = ( k2 != 0 ) ? aSeqResultS1 : aSeqResultS2; | |
3265 | ||
3266 | if (fabs(arr1[0] - aBound) < Precision::PConfusion()) { | |
3267 | aSeqS1.Append( gp_Pnt2d( arr1[0] + aShift, arr1[1] ) ); | |
3268 | aSeqS2.Append( gp_Pnt2d( arr2[0], arr2[1] ) ); | |
3269 | aSeqResultRad.Append( aCriteria ); | |
3270 | } | |
3271 | if (fabs(arr1[1] - aBound) < Precision::PConfusion()) { | |
3272 | aSeqS1.Append( gp_Pnt2d( arr1[0], arr1[1] + aShift) ); | |
3273 | aSeqS2.Append( gp_Pnt2d( arr2[0], arr2[1] ) ); | |
3274 | aSeqResultRad.Append( aCriteria ); | |
3275 | } | |
3276 | } | |
3277 | } // | |
3278 | } | |
3279 | } | |
3280 | } | |
3281 | } | |
3282 | aResult = aSeqResultRad.Length(); | |
3283 | ||
3284 | if ( aResult > 0 ) { | |
3285 | theResultOnS1 = new TColgp_HArray1OfPnt2d( 1, aResult ); | |
3286 | theResultOnS2 = new TColgp_HArray1OfPnt2d( 1, aResult ); | |
3287 | theResultRadius = new TColStd_HArray1OfReal( 1, aResult ); | |
3288 | ||
3289 | for ( Standard_Integer i = 1 ; i <= aResult; i++ ) { | |
3290 | theResultOnS1->SetValue( i, aSeqResultS1.Value(i) ); | |
3291 | theResultOnS2->SetValue( i, aSeqResultS2.Value(i) ); | |
3292 | theResultRadius->SetValue( i, aSeqResultRad.Value(i) ); | |
3293 | } | |
3294 | } | |
3295 | return aResult; | |
3296 | } | |
3297 | ||
3298 | // ------------------------------------------------------------------------------------------------ | |
3299 | // static function: AdjustByNeighbour | |
3300 | // purpose: | |
3301 | // ------------------------------------------------------------------------------------------------ | |
3302 | gp_Pnt2d AdjustByNeighbour(const gp_Pnt2d& theaNeighbourPoint, | |
3303 | const gp_Pnt2d& theOriginalPoint, | |
3304 | Handle(GeomAdaptor_HSurface) theGASurface) { | |
3305 | ||
3306 | gp_Pnt2d ap1 = theaNeighbourPoint; | |
3307 | gp_Pnt2d ap2 = theOriginalPoint; | |
3308 | ||
3309 | if ( theGASurface->IsUPeriodic() ) { | |
3310 | Standard_Real aPeriod = theGASurface->UPeriod(); | |
3311 | gp_Pnt2d aPTest = ap2; | |
3312 | Standard_Real aSqDistMin = 1.e+100; | |
3313 | ||
3314 | for ( Standard_Integer pIt = -1; pIt <= 1; pIt++) { | |
3315 | aPTest.SetX( theOriginalPoint.X() + aPeriod * pIt ); | |
3316 | Standard_Real dd = ap1.SquareDistance( aPTest ); | |
3317 | ||
3318 | if ( dd < aSqDistMin ) { | |
3319 | ap2 = aPTest; | |
3320 | aSqDistMin = dd; | |
3321 | } | |
3322 | } | |
3323 | } | |
3324 | if ( theGASurface->IsVPeriodic() ) { | |
3325 | Standard_Real aPeriod = theGASurface->VPeriod(); | |
3326 | gp_Pnt2d aPTest = ap2; | |
3327 | Standard_Real aSqDistMin = 1.e+100; | |
3328 | ||
3329 | for ( Standard_Integer pIt = -1; pIt <= 1; pIt++) { | |
3330 | aPTest.SetY( theOriginalPoint.Y() + aPeriod * pIt ); | |
3331 | Standard_Real dd = ap1.SquareDistance( aPTest ); | |
3332 | ||
3333 | if ( dd < aSqDistMin ) { | |
3334 | ap2 = aPTest; | |
3335 | aSqDistMin = dd; | |
3336 | } | |
3337 | } | |
3338 | } | |
3339 | return ap2; | |
3340 | } | |
3341 | ||
3342 | // ------------------------------------------------------------------------------------------------ | |
3343 | //function: DecompositionOfWLine | |
3344 | // purpose: | |
3345 | // ------------------------------------------------------------------------------------------------ | |
3346 | Standard_Boolean DecompositionOfWLine(const Handle(IntPatch_WLine)& theWLine, | |
3347 | const Handle(GeomAdaptor_HSurface)& theSurface1, | |
3348 | const Handle(GeomAdaptor_HSurface)& theSurface2, | |
3349 | const TopoDS_Face& theFace1, | |
3350 | const TopoDS_Face& theFace2, | |
3351 | const IntTools_LineConstructor& theLConstructor, | |
3352 | const Standard_Boolean theAvoidLConstructor, | |
3353 | IntPatch_SequenceOfLine& theNewLines, | |
4f189102 P |
3354 | Standard_Real& theReachedTol3d, |
3355 | const Handle(IntTools_Context)& aContext) | |
3356 | { | |
7fd59977 | 3357 | |
3358 | Standard_Boolean bRet, bAvoidLineConstructor; | |
3359 | Standard_Integer aNbPnts, aNbParts; | |
3360 | // | |
3361 | bRet=Standard_False; | |
3362 | aNbPnts=theWLine->NbPnts(); | |
3363 | bAvoidLineConstructor=theAvoidLConstructor; | |
3364 | // | |
3365 | if(!aNbPnts){ | |
3366 | return bRet; | |
3367 | } | |
3368 | if (!bAvoidLineConstructor) { | |
3369 | aNbParts=theLConstructor.NbParts(); | |
3370 | if (!aNbParts) { | |
3371 | return bRet; | |
3372 | } | |
3373 | } | |
3374 | // | |
3375 | Standard_Boolean bIsPrevPointOnBoundary, bIsPointOnBoundary, bIsCurrentPointOnBoundary; | |
3376 | Standard_Integer nblines, pit, i, j; | |
3377 | Standard_Real aTol; | |
3378 | TColStd_Array1OfListOfInteger anArrayOfLines(1, aNbPnts); | |
3379 | TColStd_Array1OfInteger anArrayOfLineType(1, aNbPnts); | |
3380 | TColStd_ListOfInteger aListOfPointIndex; | |
7fd59977 | 3381 | |
3382 | Handle(TColgp_HArray1OfPnt2d) aTanZoneS1; | |
3383 | Handle(TColgp_HArray1OfPnt2d) aTanZoneS2; | |
3384 | Handle(TColStd_HArray1OfReal) aTanZoneRadius; | |
3385 | Standard_Integer aNbZone = ComputeTangentZones( theSurface1, theSurface2, theFace1, theFace2, | |
4f189102 | 3386 | aTanZoneS1, aTanZoneS2, aTanZoneRadius, aContext); |
7fd59977 | 3387 | |
3388 | // | |
3389 | nblines=0; | |
3390 | aTol=Precision::Confusion(); | |
3391 | aTol=0.5*aTol; | |
3392 | bIsPrevPointOnBoundary=Standard_False; | |
3393 | bIsPointOnBoundary=Standard_False; | |
3394 | // | |
3395 | // 1. ... | |
3396 | // | |
3397 | // Points | |
3398 | for(pit = 1; pit <= aNbPnts; ++pit) { | |
3399 | Standard_Boolean bIsOnFirstBoundary, isperiodic; | |
3400 | Standard_Real aResolution, aPeriod, alowerboundary, aupperboundary, U, V; | |
3401 | Standard_Real aParameter, anoffset, anAdjustPar; | |
3402 | Standard_Real umin, umax, vmin, vmax; | |
3403 | // | |
3404 | bIsCurrentPointOnBoundary = Standard_False; | |
3405 | const IntSurf_PntOn2S& aPoint = theWLine->Point(pit); | |
3406 | // | |
3407 | // Surface | |
3408 | for(i = 0; i < 2; ++i) { | |
3409 | Handle(GeomAdaptor_HSurface) aGASurface = (!i) ? theSurface1 : theSurface2; | |
3410 | aGASurface->ChangeSurface().Surface()->Bounds(umin, umax, vmin, vmax); | |
3411 | if(!i) { | |
3412 | aPoint.ParametersOnS1(U, V); | |
3413 | } | |
3414 | else { | |
3415 | aPoint.ParametersOnS2(U, V); | |
3416 | } | |
3417 | // U, V | |
3418 | for(j = 0; j < 2; j++) { | |
3419 | isperiodic = (!j) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic(); | |
3420 | if(!isperiodic){ | |
3421 | continue; | |
3422 | } | |
3423 | // | |
3424 | if (!j) { | |
3425 | aResolution=aGASurface->UResolution(aTol); | |
3426 | aPeriod=aGASurface->UPeriod(); | |
3427 | alowerboundary=umin; | |
3428 | aupperboundary=umax; | |
3429 | aParameter=U; | |
3430 | } | |
3431 | else { | |
3432 | aResolution=aGASurface->VResolution(aTol); | |
3433 | aPeriod=aGASurface->VPeriod(); | |
3434 | alowerboundary=vmin; | |
3435 | aupperboundary=vmax; | |
3436 | aParameter=V; | |
3437 | } | |
3438 | ||
3439 | anoffset = 0.; | |
3440 | anAdjustPar = AdjustPeriodic(aParameter, | |
3441 | alowerboundary, | |
3442 | aupperboundary, | |
3443 | aPeriod, | |
3444 | anoffset); | |
3445 | // | |
3446 | bIsOnFirstBoundary = Standard_True;// ? | |
3447 | bIsPointOnBoundary= | |
3448 | IsPointOnBoundary(anAdjustPar, | |
3449 | alowerboundary, | |
3450 | aupperboundary, | |
3451 | aResolution, | |
3452 | bIsOnFirstBoundary); | |
3453 | // | |
3454 | if(bIsPointOnBoundary) { | |
3455 | bIsCurrentPointOnBoundary = Standard_True; | |
3456 | break; | |
3457 | } | |
3458 | else { | |
3459 | // check if a point belong to a tangent zone. Begin | |
3460 | Standard_Integer zIt = 0; | |
3461 | for ( zIt = 1; zIt <= aNbZone; zIt++ ) { | |
3462 | gp_Pnt2d aPZone = (i == 0) ? aTanZoneS1->Value(zIt) : aTanZoneS2->Value(zIt); | |
3463 | Standard_Real aZoneRadius = aTanZoneRadius->Value(zIt); | |
3464 | ||
3465 | if ( IsInsideTanZone(gp_Pnt2d( U, V ), aPZone, aZoneRadius, aGASurface ) ) { | |
3466 | // set boundary flag to split the curve by a tangent zone | |
3467 | bIsPointOnBoundary = Standard_True; | |
3468 | bIsCurrentPointOnBoundary = Standard_True; | |
3469 | if ( theReachedTol3d < aZoneRadius ) { | |
3470 | theReachedTol3d = aZoneRadius; | |
3471 | } | |
3472 | break; | |
3473 | } | |
3474 | } | |
3475 | } | |
3476 | }//for(j = 0; j < 2; j++) { | |
3477 | ||
3478 | if(bIsCurrentPointOnBoundary){ | |
3479 | break; | |
3480 | } | |
3481 | }//for(i = 0; i < 2; ++i) { | |
3482 | // | |
3483 | if((bIsCurrentPointOnBoundary != bIsPrevPointOnBoundary)) { | |
3484 | if(!aListOfPointIndex.IsEmpty()) { | |
3485 | nblines++; | |
3486 | anArrayOfLines.SetValue(nblines, aListOfPointIndex); | |
3487 | anArrayOfLineType.SetValue(nblines, bIsPrevPointOnBoundary); | |
3488 | aListOfPointIndex.Clear(); | |
3489 | } | |
3490 | bIsPrevPointOnBoundary = bIsCurrentPointOnBoundary; | |
3491 | } | |
3492 | aListOfPointIndex.Append(pit); | |
3493 | } //for(pit = 1; pit <= aNbPnts; ++pit) { | |
3494 | // | |
3495 | if(!aListOfPointIndex.IsEmpty()) { | |
3496 | nblines++; | |
3497 | anArrayOfLines.SetValue(nblines, aListOfPointIndex); | |
3498 | anArrayOfLineType.SetValue(nblines, bIsPrevPointOnBoundary); | |
3499 | aListOfPointIndex.Clear(); | |
3500 | } | |
3501 | // | |
3502 | if(nblines<=1) { | |
3503 | return bRet; //Standard_False; | |
3504 | } | |
3505 | // | |
3506 | // | |
3507 | // 2. Correct wlines.begin | |
3508 | TColStd_Array1OfListOfInteger anArrayOfLineEnds(1, nblines); | |
3509 | Handle(IntSurf_LineOn2S) aSeqOfPntOn2S = new IntSurf_LineOn2S(); | |
3510 | // | |
3511 | for(i = 1; i <= nblines; i++) { | |
3512 | if(anArrayOfLineType.Value(i) != 0) { | |
3513 | continue; | |
3514 | } | |
3515 | const TColStd_ListOfInteger& aListOfIndex = anArrayOfLines.Value(i); | |
3516 | if(aListOfIndex.Extent() < 2) { | |
3517 | continue; | |
3518 | } | |
3519 | TColStd_ListOfInteger aListOfFLIndex; | |
3520 | ||
3521 | for(j = 0; j < 2; j++) { | |
3522 | Standard_Integer aneighbourindex = (j == 0) ? (i - 1) : (i + 1); | |
3523 | ||
3524 | if((aneighbourindex < 1) || (aneighbourindex > nblines)) | |
3525 | continue; | |
3526 | ||
3527 | if(anArrayOfLineType.Value(aneighbourindex) == 0) | |
3528 | continue; | |
3529 | const TColStd_ListOfInteger& aNeighbour = anArrayOfLines.Value(aneighbourindex); | |
3530 | Standard_Integer anIndex = (j == 0) ? aNeighbour.Last() : aNeighbour.First(); | |
3531 | const IntSurf_PntOn2S& aPoint = theWLine->Point(anIndex); | |
3532 | ||
3533 | IntSurf_PntOn2S aNewP = aPoint; | |
3534 | ||
3535 | for(Standard_Integer surfit = 0; surfit < 2; surfit++) { | |
3536 | ||
3537 | Handle(GeomAdaptor_HSurface) aGASurface = (surfit == 0) ? theSurface1 : theSurface2; | |
3538 | Standard_Real umin=0., umax=0., vmin=0., vmax=0.; | |
3539 | aGASurface->ChangeSurface().Surface()->Bounds(umin, umax, vmin, vmax); | |
3540 | Standard_Real U=0., V=0.; | |
3541 | ||
3542 | if(surfit == 0) | |
3543 | aNewP.ParametersOnS1(U, V); | |
3544 | else | |
3545 | aNewP.ParametersOnS2(U, V); | |
3546 | Standard_Integer nbboundaries = 0; | |
3547 | ||
3548 | Standard_Boolean bIsNearBoundary = Standard_False; | |
3549 | Standard_Integer aZoneIndex = 0; | |
3550 | Standard_Integer bIsUBoundary = Standard_False; // use if nbboundaries == 1 | |
3551 | Standard_Integer bIsFirstBoundary = Standard_False; // use if nbboundaries == 1 | |
3552 | ||
3553 | ||
3554 | for(Standard_Integer parit = 0; parit < 2; parit++) { | |
3555 | Standard_Boolean isperiodic = (parit == 0) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic(); | |
3556 | ||
3557 | Standard_Real aResolution = (parit == 0) ? aGASurface->UResolution(aTol) : aGASurface->VResolution(aTol); | |
3558 | Standard_Real alowerboundary = (parit == 0) ? umin : vmin; | |
3559 | Standard_Real aupperboundary = (parit == 0) ? umax : vmax; | |
3560 | ||
3561 | Standard_Real aParameter = (parit == 0) ? U : V; | |
3562 | Standard_Boolean bIsOnFirstBoundary = Standard_True; | |
3563 | ||
3564 | if(!isperiodic) { | |
3565 | bIsPointOnBoundary= | |
3566 | IsPointOnBoundary(aParameter, alowerboundary, aupperboundary, aResolution, bIsOnFirstBoundary); | |
3567 | if(bIsPointOnBoundary) { | |
3568 | bIsUBoundary = (parit == 0); | |
3569 | bIsFirstBoundary = bIsOnFirstBoundary; | |
3570 | nbboundaries++; | |
3571 | } | |
3572 | } | |
3573 | else { | |
3574 | Standard_Real aPeriod = (parit == 0) ? aGASurface->UPeriod() : aGASurface->VPeriod(); | |
3575 | Standard_Real anoffset = 0.; | |
3576 | Standard_Real anAdjustPar = AdjustPeriodic(aParameter, alowerboundary, aupperboundary, aPeriod, anoffset); | |
3577 | ||
3578 | bIsPointOnBoundary= | |
3579 | IsPointOnBoundary(anAdjustPar, alowerboundary, aupperboundary, aResolution, bIsOnFirstBoundary); | |
3580 | if(bIsPointOnBoundary) { | |
3581 | bIsUBoundary = (parit == 0); | |
3582 | bIsFirstBoundary = bIsOnFirstBoundary; | |
3583 | nbboundaries++; | |
3584 | } | |
3585 | else { | |
3586 | //check neighbourhood of boundary | |
3587 | Standard_Real anEpsilon = aResolution * 100.; | |
3588 | Standard_Real aPart = ( aupperboundary - alowerboundary ) * 0.1; | |
3589 | anEpsilon = ( anEpsilon > aPart ) ? aPart : anEpsilon; | |
3590 | ||
3591 | bIsNearBoundary = IsPointOnBoundary(anAdjustPar, alowerboundary, aupperboundary, | |
3592 | anEpsilon, bIsOnFirstBoundary); | |
3593 | ||
3594 | } | |
3595 | } | |
3596 | } | |
3597 | ||
3598 | // check if a point belong to a tangent zone. Begin | |
3599 | for ( Standard_Integer zIt = 1; zIt <= aNbZone; zIt++ ) { | |
3600 | gp_Pnt2d aPZone = (surfit == 0) ? aTanZoneS1->Value(zIt) : aTanZoneS2->Value(zIt); | |
3601 | Standard_Real aZoneRadius = aTanZoneRadius->Value(zIt); | |
3602 | ||
3603 | Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); | |
3604 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1); | |
3605 | Standard_Real nU1, nV1; | |
3606 | ||
3607 | if(surfit == 0) | |
3608 | aNeighbourPoint.ParametersOnS1(nU1, nV1); | |
3609 | else | |
3610 | aNeighbourPoint.ParametersOnS2(nU1, nV1); | |
3611 | gp_Pnt2d ap1(nU1, nV1); | |
3612 | gp_Pnt2d ap2 = AdjustByNeighbour( ap1, gp_Pnt2d( U, V ), aGASurface ); | |
3613 | ||
3614 | ||
3615 | if ( IsInsideTanZone( ap2, aPZone, aZoneRadius, aGASurface ) ) { | |
3616 | aZoneIndex = zIt; | |
3617 | bIsNearBoundary = Standard_True; | |
3618 | if ( theReachedTol3d < aZoneRadius ) { | |
3619 | theReachedTol3d = aZoneRadius; | |
3620 | } | |
3621 | } | |
3622 | } | |
3623 | // check if a point belong to a tangent zone. End | |
3624 | Standard_Boolean bComputeLineEnd = Standard_False; | |
3625 | ||
3626 | if(nbboundaries == 2) { | |
3627 | //xf | |
9e9df9d9 | 3628 | bComputeLineEnd = Standard_True; |
7fd59977 | 3629 | //xt |
3630 | } | |
3631 | else if(nbboundaries == 1) { | |
3632 | Standard_Boolean isperiodic = (bIsUBoundary) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic(); | |
3633 | ||
3634 | if(isperiodic) { | |
3635 | Standard_Real alowerboundary = (bIsUBoundary) ? umin : vmin; | |
3636 | Standard_Real aupperboundary = (bIsUBoundary) ? umax : vmax; | |
3637 | Standard_Real aPeriod = (bIsUBoundary) ? aGASurface->UPeriod() : aGASurface->VPeriod(); | |
3638 | Standard_Real aParameter = (bIsUBoundary) ? U : V; | |
3639 | Standard_Real anoffset = 0.; | |
3640 | Standard_Real anAdjustPar = AdjustPeriodic(aParameter, alowerboundary, aupperboundary, aPeriod, anoffset); | |
3641 | ||
3642 | Standard_Real adist = (bIsFirstBoundary) ? fabs(anAdjustPar - alowerboundary) : fabs(anAdjustPar - aupperboundary); | |
3643 | Standard_Real anotherPar = (bIsFirstBoundary) ? (aupperboundary - adist) : (alowerboundary + adist); | |
3644 | anotherPar += anoffset; | |
3645 | Standard_Integer aneighbourpointindex = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); | |
3646 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex); | |
3647 | Standard_Real nU1, nV1; | |
3648 | ||
3649 | if(surfit == 0) | |
3650 | aNeighbourPoint.ParametersOnS1(nU1, nV1); | |
3651 | else | |
3652 | aNeighbourPoint.ParametersOnS2(nU1, nV1); | |
3653 | ||
3654 | Standard_Real adist1 = (bIsUBoundary) ? fabs(nU1 - U) : fabs(nV1 - V); | |
3655 | Standard_Real adist2 = (bIsUBoundary) ? fabs(nU1 - anotherPar) : fabs(nV1 - anotherPar); | |
3656 | bComputeLineEnd = Standard_True; | |
3657 | Standard_Boolean bCheckAngle1 = Standard_False; | |
3658 | Standard_Boolean bCheckAngle2 = Standard_False; | |
3659 | gp_Vec2d aNewVec; | |
3660 | Standard_Real anewU = (bIsUBoundary) ? anotherPar : U; | |
3661 | Standard_Real anewV = (bIsUBoundary) ? V : anotherPar; | |
3662 | ||
3663 | if(((adist1 - adist2) > Precision::PConfusion()) && | |
3664 | (adist2 < (aPeriod / 4.))) { | |
3665 | bCheckAngle1 = Standard_True; | |
3666 | aNewVec = gp_Vec2d(gp_Pnt2d(nU1, nV1), gp_Pnt2d(anewU, anewV)); | |
3667 | ||
3668 | if(aNewVec.SquareMagnitude() < (gp::Resolution() * gp::Resolution())) { | |
3669 | aNewP.SetValue((surfit == 0), anewU, anewV); | |
3670 | bCheckAngle1 = Standard_False; | |
3671 | } | |
3672 | } | |
3673 | else if(adist1 < (aPeriod / 4.)) { | |
3674 | bCheckAngle2 = Standard_True; | |
3675 | aNewVec = gp_Vec2d(gp_Pnt2d(nU1, nV1), gp_Pnt2d(U, V)); | |
3676 | ||
3677 | if(aNewVec.SquareMagnitude() < (gp::Resolution() * gp::Resolution())) { | |
3678 | bCheckAngle2 = Standard_False; | |
3679 | } | |
3680 | } | |
3681 | ||
3682 | if(bCheckAngle1 || bCheckAngle2) { | |
3683 | // assume there are at least two points in line (see "if" above) | |
3684 | Standard_Integer anindexother = aneighbourpointindex; | |
3685 | ||
3686 | while((anindexother <= aListOfIndex.Last()) && (anindexother >= aListOfIndex.First())) { | |
3687 | anindexother = (j == 0) ? (anindexother + 1) : (anindexother - 1); | |
3688 | const IntSurf_PntOn2S& aPrevNeighbourPoint = theWLine->Point(anindexother); | |
3689 | Standard_Real nU2, nV2; | |
3690 | ||
3691 | if(surfit == 0) | |
3692 | aPrevNeighbourPoint.ParametersOnS1(nU2, nV2); | |
3693 | else | |
3694 | aPrevNeighbourPoint.ParametersOnS2(nU2, nV2); | |
3695 | gp_Vec2d aVecOld(gp_Pnt2d(nU2, nV2), gp_Pnt2d(nU1, nV1)); | |
3696 | ||
3697 | if(aVecOld.SquareMagnitude() <= (gp::Resolution() * gp::Resolution())) { | |
3698 | continue; | |
3699 | } | |
3700 | else { | |
3701 | Standard_Real anAngle = aNewVec.Angle(aVecOld); | |
3702 | ||
c6541a0c | 3703 | if((fabs(anAngle) < (M_PI * 0.25)) && (aNewVec.Dot(aVecOld) > 0.)) { |
7fd59977 | 3704 | |
3705 | if(bCheckAngle1) { | |
3706 | Standard_Real U1, U2, V1, V2; | |
3707 | IntSurf_PntOn2S atmppoint = aNewP; | |
3708 | atmppoint.SetValue((surfit == 0), anewU, anewV); | |
3709 | atmppoint.Parameters(U1, V1, U2, V2); | |
3710 | gp_Pnt P1 = theSurface1->Value(U1, V1); | |
3711 | gp_Pnt P2 = theSurface2->Value(U2, V2); | |
3712 | gp_Pnt P0 = aPoint.Value(); | |
3713 | ||
3714 | if(P0.IsEqual(P1, aTol) && | |
3715 | P0.IsEqual(P2, aTol) && | |
3716 | P1.IsEqual(P2, aTol)) { | |
3717 | bComputeLineEnd = Standard_False; | |
3718 | aNewP.SetValue((surfit == 0), anewU, anewV); | |
3719 | } | |
3720 | } | |
3721 | ||
3722 | if(bCheckAngle2) { | |
3723 | bComputeLineEnd = Standard_False; | |
3724 | } | |
3725 | } | |
3726 | break; | |
3727 | } | |
3728 | } // end while(anindexother...) | |
3729 | } | |
3730 | } | |
3731 | } | |
3732 | else if ( bIsNearBoundary ) { | |
3733 | bComputeLineEnd = Standard_True; | |
3734 | } | |
3735 | ||
3736 | if(bComputeLineEnd) { | |
3737 | ||
3738 | gp_Pnt2d anewpoint; | |
3739 | Standard_Boolean found = Standard_False; | |
3740 | ||
3741 | if ( bIsNearBoundary ) { | |
3742 | // re-compute point near natural boundary or near tangent zone | |
3743 | Standard_Real u1, v1, u2, v2; | |
3744 | aNewP.Parameters( u1, v1, u2, v2 ); | |
3745 | if(surfit == 0) | |
3746 | anewpoint = gp_Pnt2d( u1, v1 ); | |
3747 | else | |
3748 | anewpoint = gp_Pnt2d( u2, v2 ); | |
3749 | ||
3750 | Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); | |
3751 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1); | |
3752 | Standard_Real nU1, nV1; | |
3753 | ||
3754 | if(surfit == 0) | |
3755 | aNeighbourPoint.ParametersOnS1(nU1, nV1); | |
3756 | else | |
3757 | aNeighbourPoint.ParametersOnS2(nU1, nV1); | |
3758 | gp_Pnt2d ap1(nU1, nV1); | |
3759 | gp_Pnt2d ap2; | |
3760 | ||
3761 | ||
3762 | if ( aZoneIndex ) { | |
3763 | // exclude point from a tangent zone | |
3764 | anewpoint = AdjustByNeighbour( ap1, anewpoint, aGASurface ); | |
3765 | gp_Pnt2d aPZone = (surfit == 0) ? aTanZoneS1->Value(aZoneIndex) : aTanZoneS2->Value(aZoneIndex); | |
3766 | Standard_Real aZoneRadius = aTanZoneRadius->Value(aZoneIndex); | |
3767 | ||
3768 | if ( FindPoint(ap1, anewpoint, umin, umax, vmin, vmax, | |
3769 | aPZone, aZoneRadius, aGASurface, ap2) ) { | |
3770 | anewpoint = ap2; | |
3771 | found = Standard_True; | |
3772 | } | |
3773 | } | |
3774 | else if ( aGASurface->IsUPeriodic() || aGASurface->IsVPeriodic() ) { | |
3775 | // re-compute point near boundary if shifted on a period | |
3776 | ap2 = AdjustByNeighbour( ap1, anewpoint, aGASurface ); | |
3777 | ||
3778 | if ( ( ap2.X() < umin ) || ( ap2.X() > umax ) || | |
3779 | ( ap2.Y() < vmin ) || ( ap2.Y() > vmax ) ) { | |
3780 | found = FindPoint(ap1, ap2, umin, umax, vmin, vmax, anewpoint); | |
3781 | } | |
3782 | else { | |
3783 | anewpoint = ap2; | |
3784 | aNewP.SetValue( (surfit == 0), anewpoint.X(), anewpoint.Y() ); | |
3785 | } | |
3786 | } | |
3787 | } | |
3788 | else { | |
3789 | ||
3790 | Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); | |
3791 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1); | |
3792 | Standard_Real nU1, nV1; | |
3793 | ||
3794 | if(surfit == 0) | |
3795 | aNeighbourPoint.ParametersOnS1(nU1, nV1); | |
3796 | else | |
3797 | aNeighbourPoint.ParametersOnS2(nU1, nV1); | |
3798 | gp_Pnt2d ap1(nU1, nV1); | |
3799 | gp_Pnt2d ap2(nU1, nV1); | |
3800 | Standard_Integer aneighbourpointindex2 = aneighbourpointindex1; | |
3801 | ||
3802 | while((aneighbourpointindex2 <= aListOfIndex.Last()) && (aneighbourpointindex2 >= aListOfIndex.First())) { | |
3803 | aneighbourpointindex2 = (j == 0) ? (aneighbourpointindex2 + 1) : (aneighbourpointindex2 - 1); | |
3804 | const IntSurf_PntOn2S& aPrevNeighbourPoint = theWLine->Point(aneighbourpointindex2); | |
3805 | Standard_Real nU2, nV2; | |
3806 | ||
3807 | if(surfit == 0) | |
3808 | aPrevNeighbourPoint.ParametersOnS1(nU2, nV2); | |
3809 | else | |
3810 | aPrevNeighbourPoint.ParametersOnS2(nU2, nV2); | |
3811 | ap2.SetX(nU2); | |
3812 | ap2.SetY(nV2); | |
3813 | ||
3814 | if(ap1.SquareDistance(ap2) > (gp::Resolution() * gp::Resolution())) { | |
3815 | break; | |
3816 | } | |
3817 | } | |
3818 | found = FindPoint(ap2, ap1, umin, umax, vmin, vmax, anewpoint); | |
3819 | } | |
3820 | ||
3821 | if(found) { | |
3822 | // check point | |
3823 | Standard_Real aCriteria = BRep_Tool::Tolerance(theFace1) + BRep_Tool::Tolerance(theFace2); | |
4f189102 P |
3824 | GeomAPI_ProjectPointOnSurf& aProjector = |
3825 | (surfit == 0) ? aContext->ProjPS(theFace2) : aContext->ProjPS(theFace1); | |
7fd59977 | 3826 | Handle(GeomAdaptor_HSurface) aSurface = (surfit == 0) ? theSurface1 : theSurface2; |
3827 | ||
3828 | Handle(GeomAdaptor_HSurface) aSurfaceOther = (surfit == 0) ? theSurface2 : theSurface1; | |
3829 | ||
3830 | gp_Pnt aP3d = aSurface->Value(anewpoint.X(), anewpoint.Y()); | |
3831 | aProjector.Perform(aP3d); | |
3832 | ||
3833 | if(aProjector.IsDone()) { | |
3834 | if(aProjector.LowerDistance() < aCriteria) { | |
3835 | Standard_Real foundU = U, foundV = V; | |
3836 | aProjector.LowerDistanceParameters(foundU, foundV); | |
3837 | ||
3838 | //Correction of projected coordinates. Begin | |
3839 | //Note, it may be shifted on a period | |
3840 | Standard_Integer aneindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); | |
3841 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneindex1); | |
3842 | Standard_Real nUn, nVn; | |
3843 | ||
3844 | if(surfit == 0) | |
3845 | aNeighbourPoint.ParametersOnS2(nUn, nVn); | |
3846 | else | |
3847 | aNeighbourPoint.ParametersOnS1(nUn, nVn); | |
3848 | gp_Pnt2d aNeighbour2d(nUn, nVn); | |
3849 | gp_Pnt2d anAdjustedPoint = AdjustByNeighbour( aNeighbour2d, gp_Pnt2d(foundU, foundV), aSurfaceOther ); | |
3850 | foundU = anAdjustedPoint.X(); | |
3851 | foundV = anAdjustedPoint.Y(); | |
3852 | ||
3853 | if ( ( anAdjustedPoint.X() < umin ) && ( anAdjustedPoint.X() > umax ) && | |
3854 | ( anAdjustedPoint.Y() < vmin ) && ( anAdjustedPoint.Y() > vmax ) ) { | |
3855 | // attempt to roughly re-compute point | |
3856 | foundU = ( foundU < umin ) ? umin : foundU; | |
3857 | foundU = ( foundU > umax ) ? umax : foundU; | |
3858 | foundV = ( foundV < vmin ) ? vmin : foundV; | |
3859 | foundV = ( foundV > vmax ) ? vmax : foundV; | |
3860 | ||
4f189102 P |
3861 | GeomAPI_ProjectPointOnSurf& aProjector2 = |
3862 | (surfit == 0) ? aContext->ProjPS(theFace1) : aContext->ProjPS(theFace2); | |
7fd59977 | 3863 | |
3864 | aP3d = aSurfaceOther->Value(foundU, foundV); | |
3865 | aProjector2.Perform(aP3d); | |
3866 | ||
3867 | if(aProjector2.IsDone()) { | |
3868 | if(aProjector2.LowerDistance() < aCriteria) { | |
3869 | Standard_Real foundU2 = anewpoint.X(), foundV2 = anewpoint.Y(); | |
3870 | aProjector2.LowerDistanceParameters(foundU2, foundV2); | |
3871 | anewpoint.SetX(foundU2); | |
3872 | anewpoint.SetY(foundV2); | |
3873 | } | |
3874 | } | |
3875 | } | |
3876 | //Correction of projected coordinates. End | |
3877 | ||
3878 | if(surfit == 0) | |
3879 | aNewP.SetValue(aP3d, anewpoint.X(), anewpoint.Y(), foundU, foundV); | |
3880 | else | |
3881 | aNewP.SetValue(aP3d, foundU, foundV, anewpoint.X(), anewpoint.Y()); | |
3882 | } | |
3883 | } | |
3884 | } | |
3885 | } | |
3886 | } | |
3887 | aSeqOfPntOn2S->Add(aNewP); | |
3888 | aListOfFLIndex.Append(aSeqOfPntOn2S->NbPoints()); | |
3889 | } | |
3890 | anArrayOfLineEnds.SetValue(i, aListOfFLIndex); | |
3891 | } | |
3892 | // Correct wlines.end | |
3893 | ||
3894 | // Split wlines.begin | |
3895 | Standard_Integer nbiter; | |
3896 | // | |
3897 | nbiter=1; | |
3898 | if (!bAvoidLineConstructor) { | |
3899 | nbiter=theLConstructor.NbParts(); | |
3900 | } | |
3901 | // | |
3902 | for(j = 1; j <= nbiter; ++j) { | |
3903 | Standard_Real fprm, lprm; | |
3904 | Standard_Integer ifprm, ilprm; | |
3905 | // | |
3906 | if(bAvoidLineConstructor) { | |
3907 | ifprm = 1; | |
3908 | ilprm = theWLine->NbPnts(); | |
3909 | } | |
3910 | else { | |
3911 | theLConstructor.Part(j, fprm, lprm); | |
3912 | ifprm = (Standard_Integer)fprm; | |
3913 | ilprm = (Standard_Integer)lprm; | |
3914 | } | |
3915 | ||
3916 | Handle(IntSurf_LineOn2S) aLineOn2S = new IntSurf_LineOn2S(); | |
3917 | // | |
3918 | for(i = 1; i <= nblines; i++) { | |
3919 | if(anArrayOfLineType.Value(i) != 0) { | |
3920 | continue; | |
3921 | } | |
3922 | const TColStd_ListOfInteger& aListOfIndex = anArrayOfLines.Value(i); | |
3923 | ||
3924 | if(aListOfIndex.Extent() < 2) { | |
3925 | continue; | |
3926 | } | |
3927 | const TColStd_ListOfInteger& aListOfFLIndex = anArrayOfLineEnds.Value(i); | |
3928 | Standard_Boolean bhasfirstpoint = (aListOfFLIndex.Extent() == 2); | |
3929 | Standard_Boolean bhaslastpoint = (aListOfFLIndex.Extent() == 2); | |
3930 | ||
3931 | if(!bhasfirstpoint && !aListOfFLIndex.IsEmpty()) { | |
3932 | bhasfirstpoint = (i != 1); | |
3933 | } | |
3934 | ||
3935 | if(!bhaslastpoint && !aListOfFLIndex.IsEmpty()) { | |
3936 | bhaslastpoint = (i != nblines); | |
3937 | } | |
3938 | Standard_Boolean bIsFirstInside = ((ifprm >= aListOfIndex.First()) && (ifprm <= aListOfIndex.Last())); | |
3939 | Standard_Boolean bIsLastInside = ((ilprm >= aListOfIndex.First()) && (ilprm <= aListOfIndex.Last())); | |
3940 | ||
3941 | if(!bIsFirstInside && !bIsLastInside) { | |
3942 | if((ifprm < aListOfIndex.First()) && (ilprm > aListOfIndex.Last())) { | |
3943 | // append whole line, and boundaries if neccesary | |
3944 | if(bhasfirstpoint) { | |
3945 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.First()); | |
3946 | aLineOn2S->Add(aP); | |
3947 | } | |
3948 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); | |
3949 | ||
3950 | for(; anIt.More(); anIt.Next()) { | |
3951 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); | |
3952 | aLineOn2S->Add(aP); | |
3953 | } | |
3954 | ||
3955 | if(bhaslastpoint) { | |
3956 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.Last()); | |
3957 | aLineOn2S->Add(aP); | |
3958 | } | |
3959 | ||
3960 | // check end of split line (end is almost always) | |
3961 | Standard_Integer aneighbour = i + 1; | |
3962 | Standard_Boolean bIsEndOfLine = Standard_True; | |
3963 | ||
3964 | if(aneighbour <= nblines) { | |
3965 | const TColStd_ListOfInteger& aListOfNeighbourIndex = anArrayOfLines.Value(aneighbour); | |
3966 | ||
3967 | if((anArrayOfLineType.Value(aneighbour) != 0) && | |
3968 | (aListOfNeighbourIndex.IsEmpty())) { | |
3969 | bIsEndOfLine = Standard_False; | |
3970 | } | |
3971 | } | |
3972 | ||
3973 | if(bIsEndOfLine) { | |
3974 | if(aLineOn2S->NbPoints() > 1) { | |
3975 | Handle(IntPatch_WLine) aNewWLine = | |
3976 | new IntPatch_WLine(aLineOn2S, Standard_False); | |
3977 | theNewLines.Append(aNewWLine); | |
3978 | } | |
3979 | aLineOn2S = new IntSurf_LineOn2S(); | |
3980 | } | |
3981 | } | |
3982 | continue; | |
3983 | } | |
3984 | // end if(!bIsFirstInside && !bIsLastInside) | |
3985 | ||
3986 | if(bIsFirstInside && bIsLastInside) { | |
3987 | // append inside points between ifprm and ilprm | |
3988 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); | |
3989 | ||
3990 | for(; anIt.More(); anIt.Next()) { | |
3991 | if((anIt.Value() < ifprm) || (anIt.Value() > ilprm)) | |
3992 | continue; | |
3993 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); | |
3994 | aLineOn2S->Add(aP); | |
3995 | } | |
3996 | } | |
3997 | else { | |
3998 | ||
3999 | if(bIsFirstInside) { | |
4000 | // append points from ifprm to last point + boundary point | |
4001 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); | |
4002 | ||
4003 | for(; anIt.More(); anIt.Next()) { | |
4004 | if(anIt.Value() < ifprm) | |
4005 | continue; | |
4006 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); | |
4007 | aLineOn2S->Add(aP); | |
4008 | } | |
4009 | ||
4010 | if(bhaslastpoint) { | |
4011 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.Last()); | |
4012 | aLineOn2S->Add(aP); | |
4013 | } | |
4014 | // check end of split line (end is almost always) | |
4015 | Standard_Integer aneighbour = i + 1; | |
4016 | Standard_Boolean bIsEndOfLine = Standard_True; | |
4017 | ||
4018 | if(aneighbour <= nblines) { | |
4019 | const TColStd_ListOfInteger& aListOfNeighbourIndex = anArrayOfLines.Value(aneighbour); | |
4020 | ||
4021 | if((anArrayOfLineType.Value(aneighbour) != 0) && | |
4022 | (aListOfNeighbourIndex.IsEmpty())) { | |
4023 | bIsEndOfLine = Standard_False; | |
4024 | } | |
4025 | } | |
4026 | ||
4027 | if(bIsEndOfLine) { | |
4028 | if(aLineOn2S->NbPoints() > 1) { | |
4029 | Handle(IntPatch_WLine) aNewWLine = | |
4030 | new IntPatch_WLine(aLineOn2S, Standard_False); | |
4031 | theNewLines.Append(aNewWLine); | |
4032 | } | |
4033 | aLineOn2S = new IntSurf_LineOn2S(); | |
4034 | } | |
4035 | } | |
4036 | // end if(bIsFirstInside) | |
4037 | ||
4038 | if(bIsLastInside) { | |
4039 | // append points from first boundary point to ilprm | |
4040 | if(bhasfirstpoint) { | |
4041 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.First()); | |
4042 | aLineOn2S->Add(aP); | |
4043 | } | |
4044 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); | |
4045 | ||
4046 | for(; anIt.More(); anIt.Next()) { | |
4047 | if(anIt.Value() > ilprm) | |
4048 | continue; | |
4049 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); | |
4050 | aLineOn2S->Add(aP); | |
4051 | } | |
4052 | } | |
4053 | //end if(bIsLastInside) | |
4054 | } | |
4055 | } | |
4056 | ||
4057 | if(aLineOn2S->NbPoints() > 1) { | |
4058 | Handle(IntPatch_WLine) aNewWLine = | |
4059 | new IntPatch_WLine(aLineOn2S, Standard_False); | |
4060 | theNewLines.Append(aNewWLine); | |
4061 | } | |
4062 | } | |
4063 | // Split wlines.end | |
4064 | ||
4065 | return Standard_True; | |
4066 | } | |
4067 | ||
4068 | // ------------------------------------------------------------------------------------------------ | |
4069 | // static function: ParameterOutOfBoundary | |
4070 | // purpose: Computes a new parameter for given curve. The corresponding 2d points | |
0fc4f2e2 | 4071 | // does not lay on any boundary of given faces |
7fd59977 | 4072 | // ------------------------------------------------------------------------------------------------ |
4073 | Standard_Boolean ParameterOutOfBoundary(const Standard_Real theParameter, | |
4074 | const Handle(Geom_Curve)& theCurve, | |
4075 | const TopoDS_Face& theFace1, | |
4076 | const TopoDS_Face& theFace2, | |
4077 | const Standard_Real theOtherParameter, | |
4078 | const Standard_Boolean bIncreasePar, | |
4f189102 P |
4079 | Standard_Real& theNewParameter, |
4080 | const Handle(IntTools_Context)& aContext) | |
4081 | { | |
7fd59977 | 4082 | Standard_Boolean bIsComputed = Standard_False; |
4083 | theNewParameter = theParameter; | |
4084 | ||
7fd59977 | 4085 | Standard_Real acurpar = theParameter; |
4086 | TopAbs_State aState = TopAbs_ON; | |
4087 | Standard_Integer iter = 0; | |
4088 | Standard_Real asumtol = BRep_Tool::Tolerance(theFace1) + BRep_Tool::Tolerance(theFace2); | |
4089 | Standard_Real adelta = asumtol * 0.1; | |
4090 | adelta = (adelta < Precision::Confusion()) ? Precision::Confusion() : adelta; | |
4091 | Handle(Geom_Surface) aSurf1 = BRep_Tool::Surface(theFace1); | |
4092 | Handle(Geom_Surface) aSurf2 = BRep_Tool::Surface(theFace2); | |
4093 | ||
4094 | Standard_Real u1, u2, v1, v2; | |
4095 | ||
4096 | GeomAPI_ProjectPointOnSurf aPrj1; | |
4097 | aSurf1->Bounds(u1, u2, v1, v2); | |
4098 | aPrj1.Init(aSurf1, u1, u2, v1, v2); | |
4099 | ||
4100 | GeomAPI_ProjectPointOnSurf aPrj2; | |
4101 | aSurf2->Bounds(u1, u2, v1, v2); | |
4102 | aPrj2.Init(aSurf2, u1, u2, v1, v2); | |
4103 | ||
4104 | while(aState == TopAbs_ON) { | |
4105 | if(bIncreasePar) | |
4106 | acurpar += adelta; | |
4107 | else | |
4108 | acurpar -= adelta; | |
4109 | gp_Pnt aPCurrent = theCurve->Value(acurpar); | |
4110 | aPrj1.Perform(aPCurrent); | |
4111 | Standard_Real U=0., V=0.; | |
4112 | ||
4113 | if(aPrj1.IsDone()) { | |
4114 | aPrj1.LowerDistanceParameters(U, V); | |
4f189102 | 4115 | aState = aContext->StatePointFace(theFace1, gp_Pnt2d(U, V)); |
7fd59977 | 4116 | } |
4117 | ||
4118 | if(aState != TopAbs_ON) { | |
4119 | aPrj2.Perform(aPCurrent); | |
4120 | ||
4121 | if(aPrj2.IsDone()) { | |
4122 | aPrj2.LowerDistanceParameters(U, V); | |
4f189102 | 4123 | aState = aContext->StatePointFace(theFace2, gp_Pnt2d(U, V)); |
7fd59977 | 4124 | } |
4125 | } | |
4126 | ||
4127 | if(iter > 11) { | |
4128 | break; | |
4129 | } | |
4130 | iter++; | |
4131 | } | |
4132 | ||
4133 | if(iter <= 11) { | |
4134 | theNewParameter = acurpar; | |
4135 | bIsComputed = Standard_True; | |
4136 | ||
4137 | if(bIncreasePar) { | |
4138 | if(acurpar >= theOtherParameter) | |
4139 | theNewParameter = theOtherParameter; | |
4140 | } | |
4141 | else { | |
4142 | if(acurpar <= theOtherParameter) | |
4143 | theNewParameter = theOtherParameter; | |
4144 | } | |
4145 | } | |
4146 | return bIsComputed; | |
4147 | } | |
4148 | ||
0fc4f2e2 P |
4149 | //======================================================================= |
4150 | //function : IsCurveValid | |
4151 | //purpose : | |
4152 | //======================================================================= | |
7fd59977 | 4153 | Standard_Boolean IsCurveValid(Handle(Geom2d_Curve)& thePCurve) |
4154 | { | |
4155 | if(thePCurve.IsNull()) | |
4156 | return Standard_False; | |
4157 | ||
4158 | Standard_Real tolint = 1.e-10; | |
4159 | Geom2dAdaptor_Curve PCA; | |
4160 | IntRes2d_Domain PCD; | |
4161 | Geom2dInt_GInter PCI; | |
4162 | ||
4163 | Standard_Real pf = 0., pl = 0.; | |
4164 | gp_Pnt2d pntf, pntl; | |
4165 | ||
4166 | if(!thePCurve->IsClosed() && !thePCurve->IsPeriodic()) { | |
4167 | pf = thePCurve->FirstParameter(); | |
4168 | pl = thePCurve->LastParameter(); | |
4169 | pntf = thePCurve->Value(pf); | |
4170 | pntl = thePCurve->Value(pl); | |
4171 | PCA.Load(thePCurve); | |
4172 | if(!PCA.IsPeriodic()) { | |
4173 | if(PCA.FirstParameter() > pf) pf = PCA.FirstParameter(); | |
4174 | if(PCA.LastParameter() < pl) pl = PCA.LastParameter(); | |
4175 | } | |
4176 | PCD.SetValues(pntf,pf,tolint,pntl,pl,tolint); | |
4177 | PCI.Perform(PCA,PCD,tolint,tolint); | |
4178 | if(PCI.IsDone()) | |
4179 | if(PCI.NbPoints() > 0) { | |
4180 | return Standard_False; | |
4181 | } | |
4182 | } | |
4183 | ||
4184 | return Standard_True; | |
4185 | } | |
4186 | ||
4187 | //======================================================================= | |
4188 | //static function : ApproxWithPCurves | |
4189 | //purpose : for bug 20964 only | |
4190 | //======================================================================= | |
7fd59977 | 4191 | Standard_Boolean ApproxWithPCurves(const gp_Cylinder& theCyl, |
4192 | const gp_Sphere& theSph) | |
4193 | { | |
4194 | Standard_Boolean bRes = Standard_True; | |
4195 | Standard_Real R1 = theCyl.Radius(), R2 = theSph.Radius(); | |
4196 | ||
4197 | if(R1 < 2.*R2) return bRes; | |
4198 | ||
4199 | gp_Lin anCylAx(theCyl.Axis()); | |
4200 | ||
4201 | Standard_Real aDist = anCylAx.Distance(theSph.Location()); | |
4202 | Standard_Real aDRel = Abs(aDist - R1)/R2; | |
4203 | ||
4204 | if(aDRel > .2) return bRes; | |
4205 | ||
4206 | Standard_Real par = ElCLib::Parameter(anCylAx, theSph.Location()); | |
4207 | gp_Pnt aP = ElCLib::Value(par, anCylAx); | |
4208 | gp_Vec aV(aP, theSph.Location()); | |
4209 | ||
4210 | Standard_Real dd = aV.Dot(theSph.Position().XDirection()); | |
4211 | ||
4212 | if(aDist < R1 && dd > 0.) return Standard_False; | |
4213 | if(aDist > R1 && dd < 0.) return Standard_False; | |
4214 | ||
4215 | ||
4216 | return bRes; | |
4217 | } | |
7fd59977 | 4218 | //======================================================================= |
4219 | //function : PerformPlanes | |
4220 | //purpose : | |
4221 | //======================================================================= | |
7fd59977 | 4222 | void PerformPlanes(const Handle(GeomAdaptor_HSurface)& theS1, |
4223 | const Handle(GeomAdaptor_HSurface)& theS2, | |
4224 | const Standard_Real TolAng, | |
4225 | const Standard_Real TolTang, | |
4226 | const Standard_Boolean theApprox1, | |
4227 | const Standard_Boolean theApprox2, | |
4228 | IntTools_SequenceOfCurves& theSeqOfCurve, | |
4229 | Standard_Boolean& theTangentFaces) | |
4230 | { | |
4231 | ||
4232 | gp_Pln aPln1 = theS1->Surface().Plane(); | |
4233 | gp_Pln aPln2 = theS2->Surface().Plane(); | |
4234 | ||
4235 | IntAna_QuadQuadGeo aPlnInter(aPln1, aPln2, TolAng, TolTang); | |
4236 | ||
4237 | if(!aPlnInter.IsDone()) { | |
4238 | theTangentFaces = Standard_False; | |
4239 | return; | |
4240 | } | |
4241 | ||
4242 | IntAna_ResultType aResType = aPlnInter.TypeInter(); | |
4243 | ||
4244 | if(aResType == IntAna_Same) { | |
4245 | theTangentFaces = Standard_True; | |
4246 | return; | |
4247 | } | |
4248 | ||
4249 | theTangentFaces = Standard_False; | |
4250 | ||
4251 | if(aResType == IntAna_Empty) { | |
4252 | return; | |
4253 | } | |
4254 | ||
4255 | gp_Lin aLin = aPlnInter.Line(1); | |
4256 | ||
4257 | ProjLib_Plane aProj; | |
4258 | ||
4259 | aProj.Init(aPln1); | |
4260 | aProj.Project(aLin); | |
4261 | gp_Lin2d aLin2d1 = aProj.Line(); | |
4262 | // | |
4263 | aProj.Init(aPln2); | |
4264 | aProj.Project(aLin); | |
4265 | gp_Lin2d aLin2d2 = aProj.Line(); | |
4266 | // | |
4267 | //classify line2d1 relatively first plane | |
4268 | Standard_Real P11, P12; | |
4269 | Standard_Boolean IsCrossed = ClassifyLin2d(theS1, aLin2d1, TolTang, P11, P12); | |
4270 | if(!IsCrossed) return; | |
4271 | //classify line2d2 relatively second plane | |
4272 | Standard_Real P21, P22; | |
4273 | IsCrossed = ClassifyLin2d(theS2, aLin2d2, TolTang, P21, P22); | |
4274 | if(!IsCrossed) return; | |
4275 | ||
4276 | //Analysis of parametric intervals: must have common part | |
4277 | ||
4278 | if(P21 >= P12) return; | |
4279 | if(P22 <= P11) return; | |
4280 | ||
4281 | Standard_Real pmin, pmax; | |
4282 | pmin = Max(P11, P21); | |
4283 | pmax = Min(P12, P22); | |
4284 | ||
4285 | if(pmax - pmin <= TolTang) return; | |
4286 | ||
4287 | Handle(Geom_Line) aGLin = new Geom_Line(aLin); | |
4288 | ||
4289 | IntTools_Curve aCurve; | |
4290 | Handle(Geom_TrimmedCurve) aGTLin = new Geom_TrimmedCurve(aGLin, pmin, pmax); | |
4291 | ||
4292 | aCurve.SetCurve(aGTLin); | |
4293 | ||
4294 | if(theApprox1) { | |
4295 | Handle(Geom2d_Line) C2d = new Geom2d_Line(aLin2d1); | |
4296 | aCurve.SetFirstCurve2d(new Geom2d_TrimmedCurve(C2d, pmin, pmax)); | |
4297 | } | |
4298 | else { | |
4299 | Handle(Geom2d_Curve) H1; | |
4300 | aCurve.SetFirstCurve2d(H1); | |
4301 | } | |
4302 | if(theApprox2) { | |
4303 | Handle(Geom2d_Line) C2d = new Geom2d_Line(aLin2d2); | |
4304 | aCurve.SetSecondCurve2d(new Geom2d_TrimmedCurve(C2d, pmin, pmax)); | |
4305 | } | |
4306 | else { | |
4307 | Handle(Geom2d_Curve) H1; | |
4308 | aCurve.SetFirstCurve2d(H1); | |
4309 | } | |
4310 | ||
4311 | theSeqOfCurve.Append(aCurve); | |
4312 | ||
4313 | } | |
4314 | ||
4315 | //======================================================================= | |
4316 | //function : ClassifyLin2d | |
4317 | //purpose : | |
4318 | //======================================================================= | |
4319 | static inline Standard_Boolean INTER(const Standard_Real d1, | |
4320 | const Standard_Real d2, | |
4321 | const Standard_Real tol) | |
4322 | { | |
4323 | return (d1 > tol && d2 < -tol) || | |
4324 | (d1 < -tol && d2 > tol) || | |
4325 | ((d1 <= tol && d1 >= -tol) && (d2 > tol || d2 < -tol)) || | |
4326 | ((d2 <= tol && d2 >= -tol) && (d1 > tol || d1 < -tol)); | |
4327 | } | |
4328 | static inline Standard_Boolean COINC(const Standard_Real d1, | |
4329 | const Standard_Real d2, | |
4330 | const Standard_Real tol) | |
4331 | { | |
4332 | return (d1 <= tol && d1 >= -tol) && (d2 <= tol && d2 >= -tol); | |
4333 | } | |
4334 | Standard_Boolean ClassifyLin2d(const Handle(GeomAdaptor_HSurface)& theS, | |
4335 | const gp_Lin2d& theLin2d, | |
4336 | const Standard_Real theTol, | |
4337 | Standard_Real& theP1, | |
4338 | Standard_Real& theP2) | |
4339 | ||
4340 | { | |
4341 | Standard_Real xmin, xmax, ymin, ymax, d1, d2, A, B, C; | |
4342 | Standard_Real par[2]; | |
4343 | Standard_Integer nbi = 0; | |
4344 | ||
4345 | xmin = theS->Surface().FirstUParameter(); | |
4346 | xmax = theS->Surface().LastUParameter(); | |
4347 | ymin = theS->Surface().FirstVParameter(); | |
4348 | ymax = theS->Surface().LastVParameter(); | |
4349 | ||
4350 | theLin2d.Coefficients(A, B, C); | |
4351 | ||
4352 | //xmin, ymin <-> xmin, ymax | |
4353 | d1 = A*xmin + B*ymin + C; | |
4354 | d2 = A*xmin + B*ymax + C; | |
4355 | ||
4356 | if(INTER(d1, d2, theTol)) { | |
4357 | //Intersection with boundary | |
4358 | Standard_Real y = -(C + A*xmin)/B; | |
4359 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, y)); | |
4360 | nbi++; | |
4361 | } | |
4362 | else if (COINC(d1, d2, theTol)) { | |
4363 | //Coincidence with boundary | |
4364 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymin)); | |
4365 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymax)); | |
4366 | nbi = 2; | |
4367 | } | |
4368 | ||
4369 | if(nbi == 2) { | |
4370 | ||
4371 | if(fabs(par[0]-par[1]) > theTol) { | |
4372 | theP1 = Min(par[0], par[1]); | |
4373 | theP2 = Max(par[0], par[1]); | |
4374 | return Standard_True; | |
4375 | } | |
4376 | else return Standard_False; | |
4377 | ||
4378 | } | |
4379 | ||
4380 | //xmin, ymax <-> xmax, ymax | |
4381 | d1 = d2; | |
4382 | d2 = A*xmax + B*ymax + C; | |
4383 | ||
4384 | if(d1 > theTol || d1 < -theTol) {//to avoid checking of | |
4385 | //coincidence with the same point | |
4386 | if(INTER(d1, d2, theTol)) { | |
4387 | Standard_Real x = -(C + B*ymax)/A; | |
4388 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(x, ymax)); | |
4389 | nbi++; | |
4390 | } | |
4391 | else if (COINC(d1, d2, theTol)) { | |
4392 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymax)); | |
4393 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymax)); | |
4394 | nbi = 2; | |
4395 | } | |
4396 | } | |
4397 | ||
4398 | if(nbi == 2) { | |
4399 | ||
4400 | if(fabs(par[0]-par[1]) > theTol) { | |
4401 | theP1 = Min(par[0], par[1]); | |
4402 | theP2 = Max(par[0], par[1]); | |
4403 | return Standard_True; | |
4404 | } | |
4405 | else return Standard_False; | |
4406 | ||
4407 | } | |
4408 | ||
4409 | //xmax, ymax <-> xmax, ymin | |
4410 | d1 = d2; | |
4411 | d2 = A*xmax + B*ymin + C; | |
4412 | ||
4413 | if(d1 > theTol || d1 < -theTol) { | |
4414 | if(INTER(d1, d2, theTol)) { | |
4415 | Standard_Real y = -(C + A*xmax)/B; | |
4416 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, y)); | |
4417 | nbi++; | |
4418 | } | |
4419 | else if (COINC(d1, d2, theTol)) { | |
4420 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymax)); | |
4421 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymin)); | |
4422 | nbi = 2; | |
4423 | } | |
4424 | } | |
4425 | ||
4426 | if(nbi == 2) { | |
4427 | if(fabs(par[0]-par[1]) > theTol) { | |
4428 | theP1 = Min(par[0], par[1]); | |
4429 | theP2 = Max(par[0], par[1]); | |
4430 | return Standard_True; | |
4431 | } | |
4432 | else return Standard_False; | |
4433 | } | |
4434 | ||
4435 | //xmax, ymin <-> xmin, ymin | |
4436 | d1 = d2; | |
4437 | d2 = A*xmin + B*ymin + C; | |
4438 | ||
4439 | if(d1 > theTol || d1 < -theTol) { | |
4440 | if(INTER(d1, d2, theTol)) { | |
4441 | Standard_Real x = -(C + B*ymin)/A; | |
4442 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(x, ymin)); | |
4443 | nbi++; | |
4444 | } | |
4445 | else if (COINC(d1, d2, theTol)) { | |
4446 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymin)); | |
4447 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymin)); | |
4448 | nbi = 2; | |
4449 | } | |
4450 | } | |
4451 | ||
4452 | if(nbi == 2) { | |
4453 | if(fabs(par[0]-par[1]) > theTol) { | |
4454 | theP1 = Min(par[0], par[1]); | |
4455 | theP2 = Max(par[0], par[1]); | |
4456 | return Standard_True; | |
4457 | } | |
4458 | else return Standard_False; | |
4459 | } | |
4460 | ||
4461 | return Standard_False; | |
4462 | ||
4463 | } | |
4464 | // | |
7fd59977 | 4465 | //======================================================================= |
4466 | //function : ApproxParameters | |
4467 | //purpose : | |
4468 | //======================================================================= | |
4469 | void ApproxParameters(const Handle(GeomAdaptor_HSurface)& aHS1, | |
4470 | const Handle(GeomAdaptor_HSurface)& aHS2, | |
4471 | Standard_Integer& iDegMin, | |
4f189102 P |
4472 | Standard_Integer& iDegMax, |
4473 | Standard_Integer& iNbIter) | |
4474 | ||
7fd59977 | 4475 | { |
4476 | GeomAbs_SurfaceType aTS1, aTS2; | |
0fc4f2e2 | 4477 | |
7fd59977 | 4478 | // |
4f189102 | 4479 | iNbIter=0; |
7fd59977 | 4480 | iDegMin=4; |
4481 | iDegMax=8; | |
7fd59977 | 4482 | // |
4483 | aTS1=aHS1->Surface().GetType(); | |
4484 | aTS2=aHS2->Surface().GetType(); | |
4485 | // | |
4486 | // Cylinder/Torus | |
4487 | if ((aTS1==GeomAbs_Cylinder && aTS2==GeomAbs_Torus) || | |
4488 | (aTS2==GeomAbs_Cylinder && aTS1==GeomAbs_Torus)) { | |
0fc4f2e2 | 4489 | Standard_Real aRC, aRT, dR, aPC; |
7fd59977 | 4490 | gp_Cylinder aCylinder; |
4491 | gp_Torus aTorus; | |
4492 | // | |
4493 | aPC=Precision::Confusion(); | |
4494 | // | |
0fc4f2e2 P |
4495 | aCylinder=(aTS1==GeomAbs_Cylinder)? aHS1->Surface().Cylinder() : aHS2->Surface().Cylinder(); |
4496 | aTorus=(aTS1==GeomAbs_Torus)? aHS1->Surface().Torus() : aHS2->Surface().Torus(); | |
7fd59977 | 4497 | // |
4498 | aRC=aCylinder.Radius(); | |
4499 | aRT=aTorus.MinorRadius(); | |
4500 | dR=aRC-aRT; | |
4501 | if (dR<0.) { | |
4502 | dR=-dR; | |
4503 | } | |
4504 | // | |
4505 | if (dR<aPC) { | |
0fc4f2e2 P |
4506 | iDegMax=6; |
4507 | } | |
4508 | } | |
4f189102 | 4509 | if (aTS1==GeomAbs_Cylinder && aTS2==GeomAbs_Cylinder) { |
8e0115e4 | 4510 | iNbIter=1; |
4f189102 | 4511 | } |
0fc4f2e2 P |
4512 | } |
4513 | //======================================================================= | |
4514 | //function : Tolerances | |
4515 | //purpose : | |
4516 | //======================================================================= | |
4517 | void Tolerances(const Handle(GeomAdaptor_HSurface)& aHS1, | |
4518 | const Handle(GeomAdaptor_HSurface)& aHS2, | |
4519 | Standard_Real& ,//aTolArc, | |
4520 | Standard_Real& aTolTang, | |
4521 | Standard_Real& ,//aUVMaxStep, | |
4522 | Standard_Real& )//aDeflection) | |
4523 | { | |
4524 | GeomAbs_SurfaceType aTS1, aTS2; | |
4525 | // | |
4526 | aTS1=aHS1->Surface().GetType(); | |
4527 | aTS2=aHS2->Surface().GetType(); | |
4528 | // | |
4529 | // Cylinder/Torus | |
4530 | if ((aTS1==GeomAbs_Cylinder && aTS2==GeomAbs_Torus) || | |
4531 | (aTS2==GeomAbs_Cylinder && aTS1==GeomAbs_Torus)) { | |
4532 | Standard_Real aRC, aRT, dR, aPC; | |
4533 | gp_Cylinder aCylinder; | |
4534 | gp_Torus aTorus; | |
4535 | // | |
4536 | aPC=Precision::Confusion(); | |
4537 | // | |
4538 | aCylinder=(aTS1==GeomAbs_Cylinder)? aHS1->Surface().Cylinder() : aHS2->Surface().Cylinder(); | |
4539 | aTorus=(aTS1==GeomAbs_Torus)? aHS1->Surface().Torus() : aHS2->Surface().Torus(); | |
4540 | // | |
4541 | aRC=aCylinder.Radius(); | |
4542 | aRT=aTorus.MinorRadius(); | |
4543 | dR=aRC-aRT; | |
4544 | if (dR<0.) { | |
4545 | dR=-dR; | |
7fd59977 | 4546 | } |
0fc4f2e2 P |
4547 | // |
4548 | if (dR<aPC) { | |
4549 | aTolTang=0.1*aTolTang; | |
4550 | } | |
4551 | } | |
4552 | } | |
0fc4f2e2 P |
4553 | //======================================================================= |
4554 | //function : SortTypes | |
4555 | //purpose : | |
4556 | //======================================================================= | |
4557 | Standard_Boolean SortTypes(const GeomAbs_SurfaceType aType1, | |
4558 | const GeomAbs_SurfaceType aType2) | |
4559 | { | |
4560 | Standard_Boolean bRet; | |
4561 | Standard_Integer aI1, aI2; | |
4562 | // | |
4563 | bRet=Standard_False; | |
4564 | // | |
4565 | aI1=IndexType(aType1); | |
4566 | aI2=IndexType(aType2); | |
4567 | if (aI1<aI2){ | |
4568 | bRet=!bRet; | |
4569 | } | |
4570 | return bRet; | |
4571 | } | |
4572 | //======================================================================= | |
4573 | //function : IndexType | |
4574 | //purpose : | |
4575 | //======================================================================= | |
4576 | Standard_Integer IndexType(const GeomAbs_SurfaceType aType) | |
4577 | { | |
4578 | Standard_Integer aIndex; | |
4579 | // | |
4580 | aIndex=11; | |
4581 | // | |
4582 | if (aType==GeomAbs_Plane) { | |
4583 | aIndex=0; | |
7fd59977 | 4584 | } |
0fc4f2e2 P |
4585 | else if (aType==GeomAbs_Cylinder) { |
4586 | aIndex=1; | |
4587 | } | |
4588 | else if (aType==GeomAbs_Cone) { | |
4589 | aIndex=2; | |
4590 | } | |
4591 | else if (aType==GeomAbs_Sphere) { | |
4592 | aIndex=3; | |
4593 | } | |
4594 | else if (aType==GeomAbs_Torus) { | |
4595 | aIndex=4; | |
4596 | } | |
4597 | else if (aType==GeomAbs_BezierSurface) { | |
4598 | aIndex=5; | |
4599 | } | |
4600 | else if (aType==GeomAbs_BSplineSurface) { | |
4601 | aIndex=6; | |
4602 | } | |
4603 | else if (aType==GeomAbs_SurfaceOfRevolution) { | |
4604 | aIndex=7; | |
4605 | } | |
4606 | else if (aType==GeomAbs_SurfaceOfExtrusion) { | |
4607 | aIndex=8; | |
4608 | } | |
4609 | else if (aType==GeomAbs_OffsetSurface) { | |
4610 | aIndex=9; | |
4611 | } | |
4612 | else if (aType==GeomAbs_OtherSurface) { | |
4613 | aIndex=10; | |
4614 | } | |
4615 | return aIndex; | |
7fd59977 | 4616 | } |
a2eede02 P |
4617 | //======================================================================= |
4618 | //function : DumpWLine | |
4619 | //purpose : | |
4620 | //======================================================================= | |
4621 | void DumpWLine(const Handle(IntPatch_WLine)& aWLine) | |
4622 | { | |
4623 | Standard_Integer i, aNbPnts; | |
4624 | Standard_Real aX, aY, aZ, aU1, aV1, aU2, aV2; | |
4625 | // | |
4f189102 | 4626 | printf(" *WLine\n"); |
a2eede02 P |
4627 | aNbPnts=aWLine->NbPnts(); |
4628 | for (i=1; i<=aNbPnts; ++i) { | |
4629 | const IntSurf_PntOn2S aPntOn2S=aWLine->Point(i); | |
4630 | const gp_Pnt& aP3D=aPntOn2S.Value(); | |
4631 | aP3D.Coord(aX, aY, aZ); | |
4632 | aPntOn2S.Parameters(aU1, aV1, aU2, aV2); | |
4633 | // | |
4f189102 P |
4634 | printf("point p_%d %lf %lf %lf\n", i, aX, aY, aZ); |
4635 | //printf("point p_%d %20.15lf %20.15lf %20.15lf %20.15lf %20.15lf %20.15lf %20.15lf\n", | |
4636 | // i, aX, aY, aZ, aU1, aV1, aU2, aV2); | |
a2eede02 P |
4637 | } |
4638 | } | |
fa9681ca P |
4639 | //======================================================================= |
4640 | //function : RefineVector | |
4641 | //purpose : | |
4642 | //======================================================================= | |
4643 | void RefineVector(gp_Vec2d& aV2D) | |
4644 | { | |
4645 | Standard_Integer k,m; | |
4646 | Standard_Real aC[2], aEps, aR1, aR2, aNum; | |
4647 | // | |
4648 | aEps=RealEpsilon(); | |
4649 | aR1=1.-aEps; | |
4650 | aR2=1.+aEps; | |
4651 | // | |
4652 | aV2D.Coord(aC[0], aC[1]); | |
4653 | // | |
4654 | for (k=0; k<2; ++k) { | |
4655 | m=(k+1)%2; | |
4656 | aNum=fabs(aC[k]); | |
4657 | if (aNum>aR1 && aNum<aR2) { | |
4658 | if (aC[k]<0.) { | |
4659 | aC[k]=-1.; | |
4660 | } | |
4661 | else { | |
4662 | aC[k]=1.; | |
4663 | } | |
4664 | aC[m]=0.; | |
4665 | break; | |
4666 | } | |
4667 | } | |
4668 | aV2D.SetCoord(aC[0], aC[1]); | |
37b6f439 | 4669 | } |
4670 | //======================================================================= | |
4671 | //function : FindMaxSquareDistance | |
4672 | //purpose : | |
4673 | //======================================================================= | |
4674 | Standard_Real FindMaxSquareDistance (const Standard_Real aT1, | |
4675 | const Standard_Real aT2, | |
4676 | const Standard_Real aEps, | |
4677 | const Handle(Geom_Curve)& aC3D, | |
4678 | const Handle(Geom2d_Curve)& aC2D1, | |
4679 | const Handle(Geom2d_Curve)& aC2D2, | |
4680 | const Handle(GeomAdaptor_HSurface) myHS1, | |
4681 | const Handle(GeomAdaptor_HSurface) myHS2, | |
4682 | const TopoDS_Face& myFace1, | |
4683 | const TopoDS_Face& myFace2, | |
4684 | const Handle(IntTools_Context)& myContext) | |
4685 | { | |
4686 | Standard_Real aA, aB, aCf, aX1, aX2, aF1, aF2, aX, aF; | |
4687 | // | |
4688 | aCf=1.6180339887498948482045868343656;// =0.5*(1.+sqrt(5.)); | |
4689 | aA=aT1; | |
4690 | aB=aT2; | |
4691 | aX1=aB-(aB-aA)/aCf; | |
4692 | aF1=MaxSquareDistance(aX1, | |
4693 | aC3D, aC2D1, aC2D2, myHS1, myHS2, myFace1, myFace2, myContext); | |
4694 | aX2=aA+(aB-aA)/aCf; | |
4695 | aF2=MaxSquareDistance(aX2, | |
4696 | aC3D, aC2D1, aC2D2, myHS1, myHS2, myFace1, myFace2, myContext); | |
4697 | // | |
4698 | while(1) { | |
4699 | // | |
4700 | if (fabs(aA-aB)<aEps) { | |
4701 | aX=0.5*(aA+aB); | |
4702 | aF=MaxSquareDistance(aX, | |
4703 | aC3D, aC2D1, aC2D2, myHS1, myHS2, myFace1, myFace2, myContext); | |
4704 | break; | |
4705 | } | |
4706 | if (aF1<aF2){ | |
4707 | aA=aX1; | |
4708 | aX1=aX2; | |
4709 | aF1=aF2; | |
4710 | aX2=aA+(aB-aA)/aCf; | |
4711 | aF2=MaxSquareDistance(aX2, | |
4712 | aC3D, aC2D1, aC2D2, myHS1, myHS2, myFace1, myFace2, myContext); | |
4713 | ||
4714 | } | |
4715 | else { | |
4716 | aB=aX2; | |
4717 | aX2=aX1; | |
4718 | aF2=aF1; | |
4719 | aX1=aB-(aB-aA)/aCf; | |
4720 | aF1=MaxSquareDistance(aX1, | |
4721 | aC3D, aC2D1, aC2D2, myHS1, myHS2, myFace1, myFace2, myContext); | |
4722 | } | |
4723 | } | |
4724 | return aF; | |
4725 | } | |
4f189102 P |
4726 | //======================================================================= |
4727 | //function : MaxSquareDistance | |
4728 | //purpose : | |
4729 | //======================================================================= | |
4730 | Standard_Real MaxSquareDistance (const Standard_Real aT, | |
4731 | const Handle(Geom_Curve)& aC3D, | |
4732 | const Handle(Geom2d_Curve)& aC2D1, | |
4733 | const Handle(Geom2d_Curve)& aC2D2, | |
4734 | const Handle(GeomAdaptor_HSurface) myHS1, | |
4735 | const Handle(GeomAdaptor_HSurface) myHS2, | |
4736 | const TopoDS_Face& aF1, | |
4737 | const TopoDS_Face& aF2, | |
4738 | const Handle(IntTools_Context)& aCtx) | |
4739 | { | |
4740 | Standard_Boolean bIsDone; | |
4741 | Standard_Integer i; | |
4742 | Standard_Real aU, aV, aD2Max, aD2; | |
4743 | gp_Pnt2d aP2D; | |
4744 | gp_Pnt aP, aPS; | |
4745 | // | |
4746 | aD2Max=0.; | |
4747 | // | |
4748 | aC3D->D0(aT, aP); | |
4749 | if (aC3D.IsNull()) { | |
4750 | return aD2Max; | |
4751 | } | |
4752 | // | |
4753 | for (i=0; i<2; ++i) { | |
4754 | const Handle(GeomAdaptor_HSurface)& aGHS=(!i) ? myHS1 : myHS2; | |
4755 | const TopoDS_Face &aF=(!i) ? aF1 : aF2; | |
4756 | const Handle(Geom2d_Curve)& aC2D=(!i) ? aC2D1 : aC2D2; | |
4757 | // | |
4758 | if (!aC2D.IsNull()) { | |
4759 | aC2D->D0(aT, aP2D); | |
4760 | aP2D.Coord(aU, aV); | |
4761 | aGHS->D0(aU, aV, aPS); | |
4762 | aD2=aP.SquareDistance(aPS); | |
4763 | if (aD2>aD2Max) { | |
4764 | aD2Max=aD2; | |
4765 | } | |
4766 | } | |
4767 | // | |
4768 | GeomAPI_ProjectPointOnSurf& aProjector=aCtx->ProjPS(aF); | |
4769 | // | |
4770 | aProjector.Perform(aP); | |
4771 | bIsDone=aProjector.IsDone(); | |
4772 | if (bIsDone) { | |
4773 | aProjector.LowerDistanceParameters(aU, aV); | |
4774 | aGHS->D0(aU, aV, aPS); | |
4775 | aD2=aP.SquareDistance(aPS); | |
4776 | if (aD2>aD2Max) { | |
4777 | aD2Max=aD2; | |
4778 | } | |
4779 | } | |
4780 | } | |
4781 | // | |
4782 | return aD2Max; | |
4783 | } |