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7fd59977 | 1 | // File: IntTools_FaceFace.cxx |
2 | // Created: Thu Nov 23 14:52:53 2000 | |
3 | // Author: Michael KLOKOV | |
4 | // Copyright: OPEN CASCADE 2000 | |
5 | ||
6 | ||
7 | #include <IntTools_FaceFace.ixx> | |
8 | ||
9 | #include <Precision.hxx> | |
10 | ||
11 | #include <TColStd_HArray1OfReal.hxx> | |
12 | #include <TColStd_Array1OfReal.hxx> | |
13 | #include <TColStd_Array1OfInteger.hxx> | |
14 | #include <TColStd_SequenceOfReal.hxx> | |
15 | #include <TColStd_ListOfInteger.hxx> | |
16 | #include <TColStd_ListIteratorOfListOfInteger.hxx> | |
17 | #include <TColStd_Array1OfListOfInteger.hxx> | |
18 | ||
19 | #include <gp_Lin2d.hxx> | |
20 | #include <gp_Ax22d.hxx> | |
21 | #include <gp_Circ2d.hxx> | |
22 | #include <gp_Torus.hxx> | |
23 | #include <gp_Cylinder.hxx> | |
24 | ||
25 | #include <Bnd_Box.hxx> | |
26 | ||
27 | #include <TColgp_HArray1OfPnt2d.hxx> | |
28 | #include <TColgp_SequenceOfPnt2d.hxx> | |
29 | #include <TColgp_Array1OfPnt.hxx> | |
30 | #include <TColgp_Array1OfPnt2d.hxx> | |
31 | ||
32 | #include <IntAna_QuadQuadGeo.hxx> | |
33 | ||
34 | #include <IntSurf_PntOn2S.hxx> | |
35 | #include <IntSurf_LineOn2S.hxx> | |
36 | #include <IntSurf_PntOn2S.hxx> | |
37 | #include <IntSurf_ListOfPntOn2S.hxx> | |
38 | #include <IntRes2d_Domain.hxx> | |
39 | #include <ProjLib_Plane.hxx> | |
40 | ||
41 | #include <IntPatch_GLine.hxx> | |
42 | #include <IntPatch_RLine.hxx> | |
43 | #include <IntPatch_WLine.hxx> | |
44 | #include <IntPatch_ALine.hxx> | |
45 | #include <IntPatch_ALineToWLine.hxx> | |
46 | ||
47 | #include <ElSLib.hxx> | |
48 | #include <ElCLib.hxx> | |
49 | ||
50 | #include <Extrema_ExtCC.hxx> | |
51 | #include <Extrema_POnCurv.hxx> | |
52 | #include <BndLib_AddSurface.hxx> | |
53 | ||
54 | #include <Adaptor3d_SurfacePtr.hxx> | |
55 | #include <Adaptor2d_HLine2d.hxx> | |
56 | ||
57 | #include <GeomAbs_SurfaceType.hxx> | |
58 | #include <GeomAbs_CurveType.hxx> | |
59 | ||
60 | #include <Geom_Surface.hxx> | |
61 | #include <Geom_Line.hxx> | |
62 | #include <Geom_Circle.hxx> | |
63 | #include <Geom_Ellipse.hxx> | |
64 | #include <Geom_Parabola.hxx> | |
65 | #include <Geom_Hyperbola.hxx> | |
66 | #include <Geom_TrimmedCurve.hxx> | |
67 | #include <Geom_BSplineCurve.hxx> | |
68 | #include <Geom_RectangularTrimmedSurface.hxx> | |
69 | #include <Geom_OffsetSurface.hxx> | |
70 | #include <Geom_Curve.hxx> | |
71 | #include <Geom_Conic.hxx> | |
72 | ||
73 | #include <Geom2d_TrimmedCurve.hxx> | |
74 | #include <Geom2d_BSplineCurve.hxx> | |
75 | #include <Geom2d_Line.hxx> | |
76 | #include <Geom2d_Curve.hxx> | |
77 | #include <Geom2d_Circle.hxx> | |
78 | ||
79 | #include <Geom2dAPI_InterCurveCurve.hxx> | |
80 | #include <Geom2dInt_GInter.hxx> | |
81 | #include <GeomAdaptor_Curve.hxx> | |
82 | #include <GeomAdaptor_HSurface.hxx> | |
83 | #include <GeomAdaptor_Surface.hxx> | |
84 | #include <GeomLib_CheckBSplineCurve.hxx> | |
85 | #include <GeomLib_Check2dBSplineCurve.hxx> | |
86 | ||
87 | #include <GeomInt_WLApprox.hxx> | |
88 | #include <GeomProjLib.hxx> | |
89 | #include <GeomAPI_ProjectPointOnSurf.hxx> | |
90 | #include <Geom2dAdaptor_Curve.hxx> | |
91 | // | |
92 | #include <TopoDS.hxx> | |
93 | #include <TopoDS_Edge.hxx> | |
94 | #include <TopExp_Explorer.hxx> | |
95 | ||
96 | #include <BRep_Tool.hxx> | |
97 | #include <BRepTools.hxx> | |
98 | #include <BRepAdaptor_Surface.hxx> | |
99 | ||
100 | #include <BOPTColStd_Dump.hxx> | |
101 | ||
102 | #include <IntTools_Curve.hxx> | |
103 | #include <IntTools_Tools.hxx> | |
104 | #include <IntTools_Tools.hxx> | |
105 | #include <IntTools_TopolTool.hxx> | |
106 | #include <IntTools_PntOnFace.hxx> | |
107 | #include <IntTools_PntOn2Faces.hxx> | |
108 | #include <IntTools_Context.hxx> | |
0fc4f2e2 | 109 | #include <IntSurf_ListIteratorOfListOfPntOn2S.hxx> |
a2eede02 P |
110 | |
111 | ||
112 | //modified by NIZNHY-PKV Fri Nov 25 12:03:55 2011f | |
113 | static | |
114 | void DumpWLine(const Handle(IntPatch_WLine)& aWLine); | |
115 | //modified by NIZNHY-PKV Fri Nov 25 12:03:58 2011t | |
7fd59977 | 116 | // |
117 | static | |
118 | void TolR3d(const TopoDS_Face& , | |
119 | const TopoDS_Face& , | |
120 | Standard_Real& ); | |
121 | static | |
122 | Handle(Geom_Curve) MakeBSpline (const Handle(IntPatch_WLine)&, | |
123 | const Standard_Integer, | |
124 | const Standard_Integer); | |
125 | ||
126 | static | |
127 | void Parameters(const Handle(GeomAdaptor_HSurface)&, | |
128 | const Handle(GeomAdaptor_HSurface)&, | |
129 | const gp_Pnt&, | |
130 | Standard_Real&, | |
131 | Standard_Real&, | |
132 | Standard_Real&, | |
133 | Standard_Real&); | |
134 | ||
135 | static | |
136 | void BuildPCurves (Standard_Real f,Standard_Real l,Standard_Real& Tol, | |
137 | const Handle (Geom_Surface)& S, | |
138 | const Handle (Geom_Curve)& C, | |
139 | Handle (Geom2d_Curve)& C2d); | |
140 | ||
141 | static | |
142 | void CorrectSurfaceBoundaries(const TopoDS_Face& theFace, | |
143 | const Standard_Real theTolerance, | |
144 | Standard_Real& theumin, | |
145 | Standard_Real& theumax, | |
146 | Standard_Real& thevmin, | |
147 | Standard_Real& thevmax); | |
148 | static | |
149 | Standard_Boolean NotUseSurfacesForApprox | |
150 | (const TopoDS_Face& aF1, | |
151 | const TopoDS_Face& aF2, | |
152 | const Handle(IntPatch_WLine)& WL, | |
153 | const Standard_Integer ifprm, | |
154 | const Standard_Integer ilprm); | |
155 | ||
156 | static | |
157 | Handle(IntPatch_WLine) ComputePurgedWLine(const Handle(IntPatch_WLine)& theWLine); | |
158 | ||
159 | static | |
160 | Standard_Real AdjustPeriodic(const Standard_Real theParameter, | |
161 | const Standard_Real parmin, | |
162 | const Standard_Real parmax, | |
163 | const Standard_Real thePeriod, | |
164 | Standard_Real& theOffset); | |
165 | ||
166 | static | |
167 | Handle(Geom2d_BSplineCurve) MakeBSpline2d(const Handle(IntPatch_WLine)& theWLine, | |
168 | const Standard_Integer ideb, | |
169 | const Standard_Integer ifin, | |
170 | const Standard_Boolean onFirst); | |
171 | ||
172 | static | |
173 | Standard_Boolean DecompositionOfWLine(const Handle(IntPatch_WLine)& theWLine, | |
174 | const Handle(GeomAdaptor_HSurface)& theSurface1, | |
175 | const Handle(GeomAdaptor_HSurface)& theSurface2, | |
176 | const TopoDS_Face& theFace1, | |
177 | const TopoDS_Face& theFace2, | |
178 | const IntTools_LineConstructor& theLConstructor, | |
179 | const Standard_Boolean theAvoidLConstructor, | |
180 | IntPatch_SequenceOfLine& theNewLines, | |
181 | Standard_Real& theReachedTol3d); | |
182 | ||
183 | static | |
184 | Standard_Boolean ParameterOutOfBoundary(const Standard_Real theParameter, | |
185 | const Handle(Geom_Curve)& theCurve, | |
186 | const TopoDS_Face& theFace1, | |
187 | const TopoDS_Face& theFace2, | |
188 | const Standard_Real theOtherParameter, | |
189 | const Standard_Boolean bIncreasePar, | |
190 | Standard_Real& theNewParameter); | |
191 | ||
192 | static | |
193 | Standard_Boolean IsCurveValid(Handle(Geom2d_Curve)& thePCurve); | |
194 | ||
195 | static | |
196 | Standard_Boolean IsPointOnBoundary(const Standard_Real theParameter, | |
197 | const Standard_Real theFirstBoundary, | |
198 | const Standard_Real theSecondBoundary, | |
199 | const Standard_Real theResolution, | |
200 | Standard_Boolean& IsOnFirstBoundary); | |
201 | static | |
202 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, | |
203 | const gp_Pnt2d& theLastPoint, | |
204 | const Standard_Real theUmin, | |
205 | const Standard_Real theUmax, | |
206 | const Standard_Real theVmin, | |
207 | const Standard_Real theVmax, | |
208 | gp_Pnt2d& theNewPoint); | |
209 | ||
210 | ||
211 | static | |
212 | Standard_Integer ComputeTangentZones( const Handle(GeomAdaptor_HSurface)& theSurface1, | |
213 | const Handle(GeomAdaptor_HSurface)& theSurface2, | |
214 | const TopoDS_Face& theFace1, | |
215 | const TopoDS_Face& theFace2, | |
216 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS1, | |
217 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS2, | |
218 | Handle(TColStd_HArray1OfReal)& theResultRadius); | |
219 | ||
220 | static | |
221 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, | |
222 | const gp_Pnt2d& theLastPoint, | |
223 | const Standard_Real theUmin, | |
224 | const Standard_Real theUmax, | |
225 | const Standard_Real theVmin, | |
226 | const Standard_Real theVmax, | |
227 | const gp_Pnt2d& theTanZoneCenter, | |
228 | const Standard_Real theZoneRadius, | |
229 | Handle(GeomAdaptor_HSurface) theGASurface, | |
230 | gp_Pnt2d& theNewPoint); | |
231 | ||
232 | static | |
233 | Standard_Boolean IsInsideTanZone(const gp_Pnt2d& thePoint, | |
234 | const gp_Pnt2d& theTanZoneCenter, | |
235 | const Standard_Real theZoneRadius, | |
236 | Handle(GeomAdaptor_HSurface) theGASurface); | |
237 | ||
238 | static | |
239 | gp_Pnt2d AdjustByNeighbour(const gp_Pnt2d& theaNeighbourPoint, | |
240 | const gp_Pnt2d& theOriginalPoint, | |
241 | Handle(GeomAdaptor_HSurface) theGASurface); | |
242 | static | |
243 | Standard_Boolean ApproxWithPCurves(const gp_Cylinder& theCyl, | |
244 | const gp_Sphere& theSph); | |
245 | ||
246 | static void PerformPlanes(const Handle(GeomAdaptor_HSurface)& theS1, | |
247 | const Handle(GeomAdaptor_HSurface)& theS2, | |
248 | const Standard_Real TolAng, | |
249 | const Standard_Real TolTang, | |
250 | const Standard_Boolean theApprox1, | |
251 | const Standard_Boolean theApprox2, | |
252 | IntTools_SequenceOfCurves& theSeqOfCurve, | |
253 | Standard_Boolean& theTangentFaces); | |
254 | ||
255 | static Standard_Boolean ClassifyLin2d(const Handle(GeomAdaptor_HSurface)& theS, | |
256 | const gp_Lin2d& theLin2d, | |
257 | const Standard_Real theTol, | |
258 | Standard_Real& theP1, | |
259 | Standard_Real& theP2); | |
0fc4f2e2 | 260 | // |
7fd59977 | 261 | static |
262 | void ApproxParameters(const Handle(GeomAdaptor_HSurface)& aHS1, | |
263 | const Handle(GeomAdaptor_HSurface)& aHS2, | |
264 | Standard_Integer& iDegMin, | |
0fc4f2e2 | 265 | Standard_Integer& iDegMax); |
7fd59977 | 266 | |
0fc4f2e2 P |
267 | static |
268 | void Tolerances(const Handle(GeomAdaptor_HSurface)& aHS1, | |
269 | const Handle(GeomAdaptor_HSurface)& aHS2, | |
270 | Standard_Real& aTolArc, | |
271 | Standard_Real& aTolTang, | |
272 | Standard_Real& aUVMaxStep, | |
273 | Standard_Real& aDeflection); | |
274 | ||
0fc4f2e2 P |
275 | static |
276 | Standard_Boolean SortTypes(const GeomAbs_SurfaceType aType1, | |
277 | const GeomAbs_SurfaceType aType2); | |
278 | static | |
279 | Standard_Integer IndexType(const GeomAbs_SurfaceType aType); | |
d10203e8 | 280 | |
7fd59977 | 281 | // |
282 | //======================================================================= | |
283 | //function : | |
284 | //purpose : | |
285 | //======================================================================= | |
286 | IntTools_FaceFace::IntTools_FaceFace() | |
287 | { | |
288 | myTangentFaces=Standard_False; | |
289 | // | |
290 | myHS1 = new GeomAdaptor_HSurface (); | |
291 | myHS2 = new GeomAdaptor_HSurface (); | |
292 | myTolReached2d=0.; | |
293 | myTolReached3d=0.; | |
294 | SetParameters(Standard_True, Standard_True, Standard_True, 1.e-07); | |
295 | } | |
296 | //======================================================================= | |
297 | //function : Face1 | |
298 | //purpose : | |
299 | //======================================================================= | |
300 | const TopoDS_Face& IntTools_FaceFace::Face1() const | |
301 | { | |
302 | return myFace1; | |
303 | } | |
304 | ||
305 | //======================================================================= | |
306 | //function : Face2 | |
307 | //purpose : | |
308 | //======================================================================= | |
309 | const TopoDS_Face& IntTools_FaceFace::Face2() const | |
310 | { | |
311 | return myFace2; | |
312 | } | |
313 | ||
314 | //======================================================================= | |
315 | //function : TangentFaces | |
316 | //purpose : | |
317 | //======================================================================= | |
318 | Standard_Boolean IntTools_FaceFace::TangentFaces() const | |
319 | { | |
320 | return myTangentFaces; | |
321 | } | |
322 | //======================================================================= | |
323 | //function : Points | |
324 | //purpose : | |
325 | //======================================================================= | |
326 | const IntTools_SequenceOfPntOn2Faces& IntTools_FaceFace::Points() const | |
327 | { | |
328 | return myPnts; | |
329 | } | |
330 | //======================================================================= | |
331 | //function : IsDone | |
332 | //purpose : | |
333 | //======================================================================= | |
334 | Standard_Boolean IntTools_FaceFace::IsDone() const | |
335 | { | |
336 | return myIsDone; | |
337 | } | |
338 | //======================================================================= | |
339 | //function : TolReached3d | |
340 | //purpose : | |
341 | //======================================================================= | |
342 | Standard_Real IntTools_FaceFace::TolReached3d() const | |
343 | { | |
344 | return myTolReached3d; | |
345 | } | |
346 | //======================================================================= | |
347 | //function : Lines | |
348 | //purpose : return lines of intersection | |
349 | //======================================================================= | |
350 | const IntTools_SequenceOfCurves& IntTools_FaceFace::Lines() const | |
351 | { | |
352 | StdFail_NotDone_Raise_if(!myIsDone, | |
353 | "IntTools_FaceFace::Lines() => !myIntersector.IsDone()"); | |
354 | return mySeqOfCurve; | |
355 | } | |
356 | ||
357 | //======================================================================= | |
358 | //function : TolReached2d | |
359 | //purpose : | |
360 | //======================================================================= | |
361 | Standard_Real IntTools_FaceFace::TolReached2d() const | |
362 | { | |
363 | return myTolReached2d; | |
364 | } | |
365 | // ======================================================================= | |
366 | // function: SetParameters | |
367 | // | |
368 | // ======================================================================= | |
369 | void IntTools_FaceFace::SetParameters(const Standard_Boolean ToApproxC3d, | |
370 | const Standard_Boolean ToApproxC2dOnS1, | |
371 | const Standard_Boolean ToApproxC2dOnS2, | |
372 | const Standard_Real ApproximationTolerance) | |
373 | { | |
374 | myApprox = ToApproxC3d; | |
375 | myApprox1 = ToApproxC2dOnS1; | |
376 | myApprox2 = ToApproxC2dOnS2; | |
377 | myTolApprox = ApproximationTolerance; | |
378 | } | |
379 | //======================================================================= | |
380 | //function : SetList | |
381 | //purpose : | |
382 | //======================================================================= | |
383 | ||
384 | void IntTools_FaceFace::SetList(IntSurf_ListOfPntOn2S& aListOfPnts) | |
385 | { | |
386 | myListOfPnts = aListOfPnts; | |
387 | } | |
0fc4f2e2 | 388 | |
7fd59977 | 389 | //======================================================================= |
390 | //function : Perform | |
391 | //purpose : intersect surfaces of the faces | |
392 | //======================================================================= | |
0fc4f2e2 P |
393 | void IntTools_FaceFace::Perform(const TopoDS_Face& aF1, |
394 | const TopoDS_Face& aF2) | |
7fd59977 | 395 | { |
0fc4f2e2 P |
396 | Standard_Boolean hasCone, RestrictLine, bTwoPlanes, bReverse; |
397 | Standard_Integer aNbLin, aNbPnts, i, NbLinPP; | |
7fd59977 | 398 | Standard_Real TolArc, TolTang, Deflection, UVMaxStep; |
399 | Standard_Real umin, umax, vmin, vmax; | |
400 | Standard_Real aTolF1, aTolF2; | |
401 | GeomAbs_SurfaceType aType1, aType2; | |
402 | Handle(Geom_Surface) S1, S2; | |
403 | Handle(IntTools_TopolTool) dom1, dom2; | |
0fc4f2e2 | 404 | BRepAdaptor_Surface aBAS1, aBAS2; |
7fd59977 | 405 | // |
7fd59977 | 406 | mySeqOfCurve.Clear(); |
7fd59977 | 407 | myTolReached2d=0.; |
408 | myTolReached3d=0.; | |
7fd59977 | 409 | myIsDone = Standard_False; |
0fc4f2e2 P |
410 | myNbrestr=0;//? |
411 | hasCone = Standard_False; | |
412 | bTwoPlanes = Standard_False; | |
413 | // | |
414 | myFace1=aF1; | |
415 | myFace2=aF2; | |
416 | // | |
417 | aBAS1.Initialize(myFace1, Standard_False); | |
418 | aBAS2.Initialize(myFace2, Standard_False); | |
419 | aType1=aBAS1.GetType(); | |
420 | aType2=aBAS2.GetType(); | |
421 | // | |
0fc4f2e2 P |
422 | bReverse=SortTypes(aType1, aType2); |
423 | if (bReverse) { | |
424 | myFace1=aF2; | |
425 | myFace2=aF1; | |
426 | aType1=aBAS2.GetType(); | |
427 | aType2=aBAS1.GetType(); | |
428 | // | |
429 | if (myListOfPnts.Extent()) { | |
430 | Standard_Real aU1,aV1,aU2,aV2; | |
431 | IntSurf_ListIteratorOfListOfPntOn2S aItP2S; | |
432 | // | |
433 | aItP2S.Initialize(myListOfPnts); | |
434 | for (; aItP2S.More(); aItP2S.Next()){ | |
435 | IntSurf_PntOn2S& aP2S=aItP2S.Value(); | |
436 | aP2S.Parameters(aU1,aV1,aU2,aV2); | |
437 | aP2S.SetValue(aU2,aV2,aU1,aV1); | |
438 | } | |
439 | } | |
440 | } | |
0fc4f2e2 P |
441 | // |
442 | S1=BRep_Tool::Surface(myFace1); | |
443 | S2=BRep_Tool::Surface(myFace2); | |
7fd59977 | 444 | // |
0fc4f2e2 P |
445 | aTolF1=BRep_Tool::Tolerance(myFace1); |
446 | aTolF2=BRep_Tool::Tolerance(myFace2); | |
7fd59977 | 447 | // |
448 | TolArc= aTolF1 + aTolF2; | |
449 | TolTang = TolArc; | |
450 | // | |
0fc4f2e2 | 451 | NbLinPP = 0; |
7fd59977 | 452 | if(aType1==GeomAbs_Plane && aType2==GeomAbs_Plane){ |
453 | bTwoPlanes = Standard_True; | |
454 | ||
0fc4f2e2 | 455 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
7fd59977 | 456 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); |
457 | // | |
0fc4f2e2 | 458 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
7fd59977 | 459 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); |
460 | Standard_Real TolAng = 1.e-8; | |
0fc4f2e2 | 461 | PerformPlanes(myHS1, myHS2, TolAng, TolTang, myApprox1, myApprox2, |
7fd59977 | 462 | mySeqOfCurve, myTangentFaces); |
463 | ||
464 | myIsDone = Standard_True; | |
465 | ||
0fc4f2e2 P |
466 | if(myTangentFaces) { |
467 | return; | |
468 | } | |
469 | // | |
7fd59977 | 470 | NbLinPP = mySeqOfCurve.Length(); |
0fc4f2e2 P |
471 | if(NbLinPP == 0) { |
472 | return; | |
473 | } | |
7fd59977 | 474 | |
475 | Standard_Real aTolFMax; | |
476 | // | |
477 | myTolReached3d = 1.e-7; | |
478 | // | |
479 | aTolFMax=Max(aTolF1, aTolF2); | |
480 | // | |
481 | if (aTolFMax>myTolReached3d) { | |
482 | myTolReached3d=aTolFMax; | |
483 | } | |
484 | myTolReached2d = myTolReached3d; | |
d10203e8 | 485 | // |
0fc4f2e2 P |
486 | if (bReverse) { |
487 | Handle(Geom2d_Curve) aC2D1, aC2D2; | |
488 | // | |
489 | aNbLin=mySeqOfCurve.Length(); | |
490 | for (i=1; i<=aNbLin; ++i) { | |
491 | IntTools_Curve& aIC=mySeqOfCurve(i); | |
492 | aC2D1=aIC.FirstCurve2d(); | |
493 | aC2D2=aIC.SecondCurve2d(); | |
494 | // | |
495 | aIC.SetFirstCurve2d(aC2D2); | |
496 | aIC.SetSecondCurve2d(aC2D1); | |
497 | } | |
498 | } | |
7fd59977 | 499 | return; |
0fc4f2e2 | 500 | }//if(aType1==GeomAbs_Plane && aType2==GeomAbs_Plane){ |
7fd59977 | 501 | // |
502 | if (aType1==GeomAbs_Plane && | |
503 | (aType2==GeomAbs_Cylinder || | |
504 | aType2==GeomAbs_Cone || | |
505 | aType2==GeomAbs_Torus)) { | |
506 | Standard_Real dU, dV; | |
507 | // F1 | |
0fc4f2e2 | 508 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
7fd59977 | 509 | dU=0.1*(umax-umin); |
510 | dV=0.1*(vmax-vmin); | |
511 | umin=umin-dU; | |
512 | umax=umax+dU; | |
513 | vmin=vmin-dV; | |
514 | vmax=vmax+dV; | |
515 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); | |
516 | // F2 | |
0fc4f2e2 P |
517 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
518 | CorrectSurfaceBoundaries(myFace2, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); | |
7fd59977 | 519 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); |
520 | // | |
521 | if( aType2==GeomAbs_Cone ) { | |
522 | TolArc = 0.0001; | |
7fd59977 | 523 | hasCone = Standard_True; |
524 | } | |
525 | } | |
526 | // | |
527 | else if ((aType1==GeomAbs_Cylinder|| | |
528 | aType1==GeomAbs_Cone || | |
529 | aType1==GeomAbs_Torus) && | |
530 | aType2==GeomAbs_Plane) { | |
531 | Standard_Real dU, dV; | |
532 | //F1 | |
0fc4f2e2 P |
533 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
534 | CorrectSurfaceBoundaries(myFace1, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); | |
7fd59977 | 535 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); |
536 | // F2 | |
0fc4f2e2 | 537 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
7fd59977 | 538 | dU=0.1*(umax-umin); |
539 | dV=0.1*(vmax-vmin); | |
540 | umin=umin-dU; | |
541 | umax=umax+dU; | |
542 | vmin=vmin-dV; | |
543 | vmax=vmax+dV; | |
544 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); | |
545 | // | |
546 | if( aType1==GeomAbs_Cone ) { | |
547 | TolArc = 0.0001; | |
7fd59977 | 548 | hasCone = Standard_True; |
549 | } | |
550 | } | |
551 | ||
552 | // | |
553 | else { | |
0fc4f2e2 | 554 | BRepTools::UVBounds(myFace1, umin, umax, vmin, vmax); |
7fd59977 | 555 | // |
0fc4f2e2 | 556 | CorrectSurfaceBoundaries(myFace1, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); |
7fd59977 | 557 | // |
558 | myHS1->ChangeSurface().Load(S1, umin, umax, vmin, vmax); | |
559 | // | |
0fc4f2e2 | 560 | BRepTools::UVBounds(myFace2, umin, umax, vmin, vmax); |
7fd59977 | 561 | // |
0fc4f2e2 | 562 | CorrectSurfaceBoundaries(myFace2, (aTolF1 + aTolF2) * 2., umin, umax, vmin, vmax); |
7fd59977 | 563 | // |
564 | myHS2->ChangeSurface().Load(S2, umin, umax, vmin, vmax); | |
565 | } | |
566 | // | |
567 | dom1 = new IntTools_TopolTool(myHS1); | |
568 | dom2 = new IntTools_TopolTool(myHS2); | |
569 | // | |
570 | myLConstruct.Load(dom1, dom2, myHS1, myHS2); | |
571 | // | |
572 | Deflection = (hasCone) ? 0.085 : 0.1; | |
573 | UVMaxStep = 0.001; | |
574 | // | |
0fc4f2e2 P |
575 | Tolerances(myHS1, myHS2, TolArc, TolTang, UVMaxStep, Deflection); |
576 | // | |
577 | myIntersector.SetTolerances(TolArc, TolTang, UVMaxStep, Deflection); | |
7fd59977 | 578 | // |
579 | RestrictLine = Standard_False; | |
580 | // | |
581 | if((myHS1->IsUClosed() && !myHS1->IsUPeriodic()) || | |
582 | (myHS1->IsVClosed() && !myHS1->IsVPeriodic()) || | |
583 | (myHS2->IsUClosed() && !myHS2->IsUPeriodic()) || | |
584 | (myHS2->IsVClosed() && !myHS2->IsVPeriodic())) { | |
585 | RestrictLine = Standard_True; | |
586 | } | |
587 | // | |
588 | if(((aType1 != GeomAbs_BSplineSurface) && | |
589 | (aType1 != GeomAbs_BezierSurface) && | |
590 | (aType1 != GeomAbs_OtherSurface)) && | |
591 | ((aType2 != GeomAbs_BSplineSurface) && | |
592 | (aType2 != GeomAbs_BezierSurface) && | |
593 | (aType2 != GeomAbs_OtherSurface))) { | |
594 | RestrictLine = Standard_True; | |
595 | // | |
596 | if ((aType1 == GeomAbs_Torus) || | |
597 | (aType2 == GeomAbs_Torus) ) { | |
598 | myListOfPnts.Clear(); | |
599 | } | |
600 | } | |
601 | // | |
602 | if(!RestrictLine) { | |
603 | TopExp_Explorer aExp; | |
604 | // | |
605 | for(i = 0; (!RestrictLine) && (i < 2); i++) { | |
606 | const TopoDS_Face& aF=(!i) ? myFace1 : myFace2; | |
607 | aExp.Init(aF, TopAbs_EDGE); | |
608 | for(; aExp.More(); aExp.Next()) { | |
609 | const TopoDS_Edge& aE=TopoDS::Edge(aExp.Current()); | |
610 | // | |
611 | if(BRep_Tool::Degenerated(aE)) { | |
612 | RestrictLine = Standard_True; | |
613 | break; | |
614 | } | |
615 | } | |
616 | } | |
617 | } | |
618 | // | |
619 | myIntersector.Perform(myHS1, dom1, myHS2, dom2, | |
620 | TolArc, TolTang, | |
621 | myListOfPnts, RestrictLine); | |
622 | // | |
623 | myIsDone = myIntersector.IsDone(); | |
624 | if (myIsDone) { | |
625 | myTangentFaces=myIntersector.TangentFaces(); | |
626 | if (myTangentFaces) { | |
627 | return; | |
628 | } | |
629 | // | |
630 | if(RestrictLine) { | |
631 | myListOfPnts.Clear(); // to use LineConstructor | |
632 | } | |
633 | // | |
634 | aNbLin = myIntersector.NbLines(); | |
635 | for (i=1; i<=aNbLin; ++i) { | |
636 | MakeCurve(i, dom1, dom2); | |
637 | } | |
638 | // | |
639 | ComputeTolReached3d(); | |
640 | // | |
0fc4f2e2 P |
641 | if (bReverse) { |
642 | Handle(Geom2d_Curve) aC2D1, aC2D2; | |
643 | // | |
644 | aNbLin=mySeqOfCurve.Length(); | |
645 | for (i=1; i<=aNbLin; ++i) { | |
646 | IntTools_Curve& aIC=mySeqOfCurve(i); | |
647 | aC2D1=aIC.FirstCurve2d(); | |
648 | aC2D2=aIC.SecondCurve2d(); | |
649 | // | |
650 | aIC.SetFirstCurve2d(aC2D2); | |
651 | aIC.SetSecondCurve2d(aC2D1); | |
652 | } | |
653 | } | |
0fc4f2e2 P |
654 | // |
655 | // Points | |
7fd59977 | 656 | Standard_Real U1,V1,U2,V2; |
657 | IntTools_PntOnFace aPntOnF1, aPntOnF2; | |
0fc4f2e2 | 658 | IntTools_PntOn2Faces aPntOn2Faces; |
7fd59977 | 659 | // |
660 | aNbPnts=myIntersector.NbPnts(); | |
661 | for (i=1; i<=aNbPnts; ++i) { | |
662 | const IntSurf_PntOn2S& aISPnt=myIntersector.Point(i).PntOn2S(); | |
663 | const gp_Pnt& aPnt=aISPnt.Value(); | |
664 | aISPnt.Parameters(U1,V1,U2,V2); | |
0fc4f2e2 P |
665 | aPntOnF1.Init(myFace1, aPnt, U1, V1); |
666 | aPntOnF2.Init(myFace2, aPnt, U2, V2); | |
d10203e8 | 667 | // |
0fc4f2e2 P |
668 | if (!bReverse) { |
669 | aPntOn2Faces.SetP1(aPntOnF1); | |
670 | aPntOn2Faces.SetP2(aPntOnF2); | |
671 | } | |
672 | else { | |
673 | aPntOn2Faces.SetP2(aPntOnF1); | |
674 | aPntOn2Faces.SetP1(aPntOnF2); | |
675 | } | |
7fd59977 | 676 | myPnts.Append(aPntOn2Faces); |
677 | } | |
678 | // | |
679 | } | |
680 | } | |
681 | //======================================================================= | |
682 | //function :ComputeTolReached3d | |
683 | //purpose : | |
684 | //======================================================================= | |
685 | void IntTools_FaceFace::ComputeTolReached3d() | |
686 | { | |
687 | Standard_Integer aNbLin; | |
688 | GeomAbs_SurfaceType aType1, aType2; | |
689 | // | |
690 | aNbLin=myIntersector.NbLines(); | |
691 | // | |
692 | aType1=myHS1->Surface().GetType(); | |
693 | aType2=myHS2->Surface().GetType(); | |
694 | // | |
695 | if (aNbLin==2 && | |
696 | aType1==GeomAbs_Cylinder && | |
697 | aType2==GeomAbs_Cylinder) { | |
698 | Handle(IntPatch_Line) aIL1, aIL2; | |
699 | IntPatch_IType aTL1, aTL2; | |
700 | // | |
701 | aIL1=myIntersector.Line(1); | |
702 | aIL2=myIntersector.Line(2); | |
703 | aTL1=aIL1->ArcType(); | |
704 | aTL2=aIL2->ArcType(); | |
705 | if (aTL1==IntPatch_Lin && aTL2==IntPatch_Lin) { | |
706 | Standard_Real aD, aDTresh, dTol; | |
707 | gp_Lin aL1, aL2; | |
708 | // | |
709 | dTol=1.e-8; | |
710 | aDTresh=1.5e-6; | |
711 | // | |
712 | aL1=Handle(IntPatch_GLine)::DownCast(aIL1)->Line(); | |
713 | aL2=Handle(IntPatch_GLine)::DownCast(aIL2)->Line(); | |
714 | aD=aL1.Distance(aL2); | |
715 | aD=0.5*aD; | |
716 | if (aD<aDTresh) { | |
717 | myTolReached3d=aD+dTol; | |
718 | } | |
719 | } | |
720 | } | |
0fc4f2e2 | 721 | //904/G3 f |
7fd59977 | 722 | if (aType1==GeomAbs_Plane && |
723 | aType2==GeomAbs_Plane) { | |
724 | Standard_Real aTolF1, aTolF2, aTolFMax, aTolTresh; | |
725 | // | |
726 | aTolTresh=1.e-7; | |
727 | // | |
728 | aTolF1 = BRep_Tool::Tolerance(myFace1); | |
729 | aTolF2 = BRep_Tool::Tolerance(myFace2); | |
730 | aTolFMax=Max(aTolF1, aTolF2); | |
731 | // | |
732 | if (aTolFMax>aTolTresh) { | |
733 | myTolReached3d=aTolFMax; | |
734 | } | |
735 | } | |
0fc4f2e2 | 736 | //t |
7fd59977 | 737 | //IFV Bug OCC20297 |
738 | if((aType1 == GeomAbs_Cylinder && aType2 == GeomAbs_Plane) || | |
739 | (aType2 == GeomAbs_Cylinder && aType1 == GeomAbs_Plane)) { | |
740 | if(aNbLin == 1) { | |
741 | const Handle(IntPatch_Line)& aIL1 = myIntersector.Line(1); | |
742 | if(aIL1->ArcType() == IntPatch_Circle) { | |
743 | gp_Circ aCir = Handle(IntPatch_GLine)::DownCast(aIL1)->Circle(); | |
744 | gp_XYZ aCirDir = aCir.Axis().Direction().XYZ(); | |
745 | gp_XYZ aPlDir; | |
746 | gp_Pln aPln; | |
747 | if(aType1 == GeomAbs_Plane) { | |
748 | aPln = myHS1->Surface().Plane(); | |
749 | } | |
750 | else { | |
751 | aPln = myHS2->Surface().Plane(); | |
752 | } | |
753 | aPlDir = aPln.Axis().Direction().XYZ(); | |
754 | Standard_Real cs = aCirDir*aPlDir; | |
755 | if(cs < 0.) aPlDir.Reverse(); | |
756 | Standard_Real eps = 1.e-14; | |
757 | if(!aPlDir.IsEqual(aCirDir, eps)) { | |
758 | Standard_Integer aNbP = 11; | |
759 | Standard_Real dt = 2.*PI / (aNbP - 1), t; | |
760 | for(t = 0.; t < 2.*PI; t += dt) { | |
761 | Standard_Real d = aPln.Distance(ElCLib::Value(t, aCir)); | |
762 | if(myTolReached3d < d) myTolReached3d = d; | |
763 | } | |
764 | myTolReached3d *= 1.1; | |
765 | } | |
766 | } //aIL1->ArcType() == IntPatch_Circle | |
767 | } //aNbLin == 1 | |
768 | } // aType1 == GeomAbs_Cylinder && aType2 == GeomAbs_Plane) ... | |
769 | //End IFV Bug OCC20297 | |
0fc4f2e2 | 770 | // |
0fc4f2e2 P |
771 | if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Torus) || |
772 | (aType2==GeomAbs_Plane && aType1==GeomAbs_Torus)) { | |
773 | aNbLin=mySeqOfCurve.Length(); | |
774 | if (aNbLin!=1) { | |
775 | return; | |
776 | } | |
777 | // | |
778 | Standard_Integer i, aNbP; | |
779 | Standard_Real aT, aT1, aT2, dT, aUT, aVT, aUP, aVP; | |
780 | Standard_Real aDP, aDT, aDmax; | |
781 | gp_Pln aPln; | |
782 | gp_Torus aTorus; | |
783 | gp_Pnt aP, aPP, aPT; | |
784 | // | |
785 | const IntTools_Curve& aIC=mySeqOfCurve(1); | |
786 | const Handle(Geom_Curve)& aC3D=aIC.Curve(); | |
787 | const Handle(Geom_BSplineCurve)& aBS=Handle(Geom_BSplineCurve)::DownCast(aC3D); | |
788 | if (aBS.IsNull()) { | |
789 | return; | |
790 | } | |
791 | // | |
792 | aT1=aBS->FirstParameter(); | |
793 | aT2=aBS->LastParameter(); | |
794 | // | |
795 | aPln =(aType1==GeomAbs_Plane) ? myHS1->Plane() : myHS2->Plane(); | |
796 | aTorus=(aType1==GeomAbs_Plane) ? myHS2->Torus() : myHS1->Torus(); | |
797 | // | |
798 | aDmax=-1.; | |
799 | aNbP=11; | |
800 | dT=(aT2-aT1)/(aNbP-1); | |
801 | for (i=0; i<aNbP; ++i) { | |
802 | aT=aT1+i*dT; | |
803 | if (i==aNbP-1) { | |
804 | aT=aT2; | |
805 | } | |
806 | // | |
807 | aC3D->D0(aT, aP); | |
808 | // | |
809 | ElSLib::Parameters(aPln, aP, aUP, aVP); | |
810 | aPP=ElSLib::Value(aUP, aVP, aPln); | |
811 | aDP=aP.SquareDistance(aPP); | |
812 | if (aDP>aDmax) { | |
813 | aDmax=aDP; | |
814 | } | |
815 | // | |
816 | ElSLib::Parameters(aTorus, aP, aUT, aVT); | |
817 | aPT=ElSLib::Value(aUT, aVT, aTorus); | |
818 | aDT=aP.SquareDistance(aPT); | |
819 | if (aDT>aDmax) { | |
820 | aDmax=aDT; | |
821 | } | |
822 | } | |
823 | // | |
824 | if (aDmax > myTolReached3d*myTolReached3d) { | |
825 | myTolReached3d=sqrt(aDmax); | |
826 | myTolReached3d=1.1*myTolReached3d; | |
827 | } | |
828 | }// if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Torus) || | |
a9f7b6b5 | 829 | // |
d10203e8 P |
830 | if ((aType1==GeomAbs_SurfaceOfRevolution && aType2==GeomAbs_Cylinder) || |
831 | (aType2==GeomAbs_SurfaceOfRevolution && aType1==GeomAbs_Cylinder)) { | |
832 | Standard_Boolean bIsDone; | |
833 | Standard_Integer i, j, aNbP; | |
834 | Standard_Real aT, aT1, aT2, dT, aU1, aV1, aU2, aV2; | |
835 | Standard_Real aDSmax, aDS1, aDS2, aDS; | |
836 | gp_Pnt2d aP2D1, aP2D2; | |
837 | gp_Pnt aP3D, aP3D1, aP3D2; | |
838 | IntTools_Context aCtx; | |
839 | // | |
840 | aNbLin=mySeqOfCurve.Length(); | |
841 | aDSmax=-1.; | |
842 | aNbP=11; | |
843 | // | |
844 | for (i=1; i<=aNbLin; ++i) { | |
845 | const IntTools_Curve& aIC=mySeqOfCurve(i); | |
846 | const Handle(Geom_Curve)& aC3D=aIC.Curve(); | |
847 | const Handle(Geom2d_Curve)& aC2D1=aIC.FirstCurve2d(); | |
848 | const Handle(Geom2d_Curve)& aC2D2=aIC.SecondCurve2d(); | |
849 | // | |
850 | if (aC3D.IsNull()) { | |
851 | continue; | |
852 | } | |
853 | const Handle(Geom_BSplineCurve)& aBC=Handle(Geom_BSplineCurve)::DownCast(aC3D); | |
854 | if (aBC.IsNull()) { | |
855 | return; | |
856 | } | |
857 | // | |
858 | aT1=aBC->FirstParameter(); | |
859 | aT2=aBC->LastParameter(); | |
860 | // | |
861 | dT=(aT2-aT1)/(aNbP-1); | |
862 | for (j=0; j<aNbP; ++j) { | |
863 | aT=aT1+j*dT; | |
864 | if (j==aNbP-1) { | |
865 | aT=aT2; | |
866 | } | |
867 | // | |
868 | aC3D->D0(aT, aP3D); | |
869 | // 1 | |
870 | if (!aC2D1.IsNull()) { | |
871 | aC2D1->D0(aT, aP2D1); | |
872 | aP2D1.Coord(aU1, aV1); | |
873 | myHS1->D0(aU1, aV1, aP3D1); | |
874 | aDS1=aP3D.SquareDistance(aP3D1); | |
875 | if (aDS1>aDSmax) { | |
876 | aDSmax=aDS1; | |
877 | } | |
878 | } | |
879 | // 2 | |
880 | if (!aC2D2.IsNull()) { | |
881 | aC2D2->D0(aT, aP2D2); | |
882 | aP2D2.Coord(aU2, aV2); | |
883 | myHS2->D0(aU2, aV2, aP3D2); | |
884 | aDS2=aP3D.SquareDistance(aP3D2); | |
885 | if (aDS2>aDSmax) { | |
886 | aDSmax=aDS2; | |
887 | } | |
888 | } | |
889 | // 3 | |
890 | GeomAPI_ProjectPointOnSurf& aPPS1=aCtx.ProjPS(myFace1); | |
891 | aPPS1.Perform(aP3D); | |
892 | bIsDone=aPPS1.IsDone(); | |
893 | if (bIsDone) { | |
894 | aPPS1.LowerDistanceParameters(aU1, aV1); | |
895 | myHS1->D0(aU1, aV1, aP3D1); | |
896 | aDS1=aP3D.SquareDistance(aP3D1); | |
897 | if (aDS1>aDSmax) { | |
898 | aDSmax=aDS1; | |
899 | } | |
900 | } | |
901 | // 4 | |
902 | GeomAPI_ProjectPointOnSurf& aPPS2=aCtx.ProjPS(myFace2); | |
903 | aPPS2.Perform(aP3D); | |
904 | bIsDone=aPPS2.IsDone(); | |
905 | if (bIsDone) { | |
906 | aPPS2.LowerDistanceParameters(aU2, aV2); | |
907 | myHS2->D0(aU2, aV2, aP3D2); | |
908 | aDS2=aP3D.SquareDistance(aP3D2); | |
909 | if (aDS2>aDSmax) { | |
910 | aDSmax=aDS2; | |
911 | } | |
912 | } | |
913 | }//for (j=0; j<aNbP; ++j) { | |
914 | }//for (i=1; i<=aNbLin; ++i) { | |
915 | // | |
916 | aDS=myTolReached3d*myTolReached3d; | |
917 | if (aDSmax > aDS) { | |
918 | myTolReached3d=sqrt(aDSmax); | |
919 | } | |
a9f7b6b5 | 920 | }//if((aType1==GeomAbs_SurfaceOfRevolution ... |
7fd59977 | 921 | } |
922 | //======================================================================= | |
923 | //function : MakeCurve | |
924 | //purpose : | |
925 | //======================================================================= | |
926 | void IntTools_FaceFace::MakeCurve(const Standard_Integer Index, | |
927 | const Handle(Adaptor3d_TopolTool)& dom1, | |
928 | const Handle(Adaptor3d_TopolTool)& dom2) | |
929 | { | |
930 | Standard_Boolean bDone, rejectSurface, reApprox, bAvoidLineConstructor; | |
931 | Standard_Boolean ok; | |
932 | Standard_Integer i, j, aNbParts; | |
933 | Standard_Real fprm, lprm; | |
934 | Standard_Real Tolpc; | |
935 | Handle(IntPatch_Line) L; | |
936 | IntPatch_IType typl; | |
937 | Handle(Geom_Curve) newc; | |
938 | // | |
939 | const Standard_Real TOLCHECK =0.0000001; | |
940 | const Standard_Real TOLANGCHECK=0.1; | |
941 | // | |
942 | rejectSurface = Standard_False; | |
943 | reApprox = Standard_False; | |
944 | ||
945 | reapprox:; | |
946 | ||
947 | Tolpc = myTolApprox; | |
948 | bAvoidLineConstructor = Standard_False; | |
949 | L = myIntersector.Line(Index); | |
950 | typl = L->ArcType(); | |
951 | // | |
952 | if(typl==IntPatch_Walking) { | |
953 | Handle(IntPatch_Line) anewL; | |
954 | // | |
955 | const Handle(IntPatch_WLine)& aWLine= | |
956 | Handle(IntPatch_WLine)::DownCast(L); | |
957 | // | |
958 | anewL = ComputePurgedWLine(aWLine); | |
959 | if(anewL.IsNull()) { | |
960 | return; | |
961 | } | |
962 | L = anewL; | |
963 | // | |
964 | if(!myListOfPnts.IsEmpty()) { | |
965 | bAvoidLineConstructor = Standard_True; | |
966 | } | |
967 | ||
968 | Standard_Integer nbp = aWLine->NbPnts(); | |
969 | const IntSurf_PntOn2S& p1 = aWLine->Point(1); | |
970 | const IntSurf_PntOn2S& p2 = aWLine->Point(nbp); | |
971 | ||
972 | const gp_Pnt& P1 = p1.Value(); | |
973 | const gp_Pnt& P2 = p2.Value(); | |
974 | ||
975 | if(P1.SquareDistance(P2) < 1.e-14) { | |
976 | bAvoidLineConstructor = Standard_False; | |
977 | } | |
978 | ||
979 | } | |
980 | // | |
981 | // Line Constructor | |
982 | if(!bAvoidLineConstructor) { | |
983 | myLConstruct.Perform(L); | |
984 | // | |
985 | bDone=myLConstruct.IsDone(); | |
986 | aNbParts=myLConstruct.NbParts(); | |
987 | if (!bDone|| !aNbParts) { | |
988 | return; | |
989 | } | |
990 | } | |
991 | // Do the Curve | |
992 | ||
993 | ||
994 | typl=L->ArcType(); | |
995 | switch (typl) { | |
996 | //######################################## | |
997 | // Line, Parabola, Hyperbola | |
998 | //######################################## | |
999 | case IntPatch_Lin: | |
1000 | case IntPatch_Parabola: | |
1001 | case IntPatch_Hyperbola: { | |
1002 | if (typl == IntPatch_Lin) { | |
1003 | newc = | |
1004 | new Geom_Line (Handle(IntPatch_GLine)::DownCast(L)->Line()); | |
1005 | } | |
1006 | ||
1007 | else if (typl == IntPatch_Parabola) { | |
1008 | newc = | |
1009 | new Geom_Parabola(Handle(IntPatch_GLine)::DownCast(L)->Parabola()); | |
1010 | } | |
1011 | ||
1012 | else if (typl == IntPatch_Hyperbola) { | |
1013 | newc = | |
1014 | new Geom_Hyperbola (Handle(IntPatch_GLine)::DownCast(L)->Hyperbola()); | |
1015 | } | |
1016 | // | |
1017 | // myTolReached3d | |
1018 | if (typl == IntPatch_Lin) { | |
1019 | TolR3d (myFace1, myFace2, myTolReached3d); | |
1020 | } | |
1021 | // | |
1022 | aNbParts=myLConstruct.NbParts(); | |
1023 | for (i=1; i<=aNbParts; i++) { | |
1024 | myLConstruct.Part(i, fprm, lprm); | |
1025 | ||
1026 | if (!Precision::IsNegativeInfinite(fprm) && | |
1027 | !Precision::IsPositiveInfinite(lprm)) { | |
1028 | // | |
1029 | IntTools_Curve aCurve; | |
1030 | // | |
1031 | Handle(Geom_TrimmedCurve) aCT3D=new Geom_TrimmedCurve(newc, fprm, lprm); | |
1032 | aCurve.SetCurve(aCT3D); | |
1033 | if (typl == IntPatch_Parabola) { | |
1034 | Standard_Real aTolF1, aTolF2, aTolBase; | |
1035 | ||
1036 | aTolF1 = BRep_Tool::Tolerance(myFace1); | |
1037 | aTolF2 = BRep_Tool::Tolerance(myFace2); | |
1038 | aTolBase=aTolF1+aTolF2; | |
1039 | myTolReached3d=IntTools_Tools::CurveTolerance(aCT3D, aTolBase); | |
1040 | } | |
1041 | // | |
1042 | aCurve.SetCurve(new Geom_TrimmedCurve(newc, fprm, lprm)); | |
1043 | if(myApprox1) { | |
1044 | Handle (Geom2d_Curve) C2d; | |
1045 | BuildPCurves(fprm, lprm, Tolpc, myHS1->ChangeSurface().Surface(), newc, C2d); | |
1046 | if(Tolpc>myTolReached2d || myTolReached2d==0.) { | |
1047 | myTolReached2d=Tolpc; | |
1048 | } | |
1049 | // | |
1050 | aCurve.SetFirstCurve2d(new Geom2d_TrimmedCurve(C2d,fprm,lprm)); | |
1051 | } | |
1052 | else { | |
1053 | Handle(Geom2d_BSplineCurve) H1; | |
1054 | // | |
1055 | aCurve.SetFirstCurve2d(H1); | |
1056 | } | |
1057 | ||
1058 | if(myApprox2) { | |
1059 | Handle (Geom2d_Curve) C2d; | |
1060 | BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d); | |
1061 | if(Tolpc>myTolReached2d || myTolReached2d==0.) { | |
1062 | myTolReached2d=Tolpc; | |
1063 | } | |
1064 | // | |
1065 | aCurve.SetSecondCurve2d(new Geom2d_TrimmedCurve(C2d,fprm,lprm)); | |
1066 | } | |
1067 | else { | |
1068 | Handle(Geom2d_BSplineCurve) H1; | |
1069 | // | |
1070 | aCurve.SetSecondCurve2d(H1); | |
1071 | } | |
1072 | mySeqOfCurve.Append(aCurve); | |
1073 | } // end of if (!Precision::IsNegativeInfinite(fprm) && !Precision::IsPositiveInfinite(lprm)) | |
1074 | ||
1075 | else { | |
0fc4f2e2 | 1076 | // on regarde si on garde |
7fd59977 | 1077 | // |
1078 | Standard_Boolean bFNIt, bLPIt; | |
1079 | Standard_Real aTestPrm, dT=100.; | |
1080 | ||
1081 | bFNIt=Precision::IsNegativeInfinite(fprm); | |
1082 | bLPIt=Precision::IsPositiveInfinite(lprm); | |
1083 | ||
1084 | aTestPrm=0.; | |
1085 | ||
1086 | if (bFNIt && !bLPIt) { | |
1087 | aTestPrm=lprm-dT; | |
1088 | } | |
1089 | else if (!bFNIt && bLPIt) { | |
1090 | aTestPrm=fprm+dT; | |
1091 | } | |
1092 | ||
1093 | gp_Pnt ptref(newc->Value(aTestPrm)); | |
1094 | // | |
1095 | ||
1096 | Standard_Real u1, v1, u2, v2, Tol; | |
1097 | ||
1098 | Tol = Precision::Confusion(); | |
1099 | Parameters(myHS1, myHS2, ptref, u1, v1, u2, v2); | |
1100 | ok = (dom1->Classify(gp_Pnt2d(u1, v1), Tol) != TopAbs_OUT); | |
1101 | if(ok) { | |
1102 | ok = (dom2->Classify(gp_Pnt2d(u2,v2),Tol) != TopAbs_OUT); | |
1103 | } | |
1104 | if (ok) { | |
1105 | Handle(Geom2d_BSplineCurve) H1; | |
1106 | mySeqOfCurve.Append(IntTools_Curve(newc, H1, H1)); | |
1107 | } | |
1108 | } | |
1109 | }// end of for (i=1; i<=myLConstruct.NbParts(); i++) | |
1110 | }// case IntPatch_Lin: case IntPatch_Parabola: case IntPatch_Hyperbola: | |
1111 | break; | |
1112 | ||
1113 | //######################################## | |
1114 | // Circle and Ellipse | |
1115 | //######################################## | |
1116 | case IntPatch_Circle: | |
1117 | case IntPatch_Ellipse: { | |
1118 | ||
1119 | if (typl == IntPatch_Circle) { | |
1120 | newc = new Geom_Circle | |
1121 | (Handle(IntPatch_GLine)::DownCast(L)->Circle()); | |
1122 | } | |
1123 | else { //IntPatch_Ellipse | |
1124 | newc = new Geom_Ellipse | |
1125 | (Handle(IntPatch_GLine)::DownCast(L)->Ellipse()); | |
1126 | } | |
1127 | // | |
1128 | // myTolReached3d | |
1129 | TolR3d (myFace1, myFace2, myTolReached3d); | |
1130 | // | |
1131 | aNbParts=myLConstruct.NbParts(); | |
1132 | // | |
1133 | Standard_Real aPeriod, aNul; | |
1134 | TColStd_SequenceOfReal aSeqFprm, aSeqLprm; | |
1135 | ||
1136 | aNul=0.; | |
1137 | aPeriod=PI+PI; | |
1138 | ||
1139 | for (i=1; i<=aNbParts; i++) { | |
1140 | myLConstruct.Part(i, fprm, lprm); | |
1141 | ||
1142 | if (fprm < aNul && lprm > aNul) { | |
1143 | // interval that goes through 0. is divided on two intervals; | |
1144 | while (fprm<aNul || fprm>aPeriod) fprm=fprm+aPeriod; | |
1145 | while (lprm<aNul || lprm>aPeriod) lprm=lprm+aPeriod; | |
1146 | // | |
1147 | if((aPeriod - fprm) > Tolpc) { | |
1148 | aSeqFprm.Append(fprm); | |
1149 | aSeqLprm.Append(aPeriod); | |
1150 | } | |
1151 | else { | |
1152 | gp_Pnt P1 = newc->Value(fprm); | |
1153 | gp_Pnt P2 = newc->Value(aPeriod); | |
1154 | Standard_Real aTolDist = BRep_Tool::Tolerance(myFace1) + BRep_Tool::Tolerance(myFace2); | |
1155 | aTolDist = (myTolReached3d > aTolDist) ? myTolReached3d : aTolDist; | |
1156 | ||
1157 | if(P1.Distance(P2) > aTolDist) { | |
1158 | Standard_Real anewpar = fprm; | |
1159 | ||
1160 | if(ParameterOutOfBoundary(fprm, newc, myFace1, myFace2, lprm, Standard_False, anewpar)) { | |
1161 | fprm = anewpar; | |
1162 | } | |
1163 | aSeqFprm.Append(fprm); | |
1164 | aSeqLprm.Append(aPeriod); | |
1165 | } | |
1166 | } | |
1167 | ||
1168 | // | |
1169 | if((lprm - aNul) > Tolpc) { | |
1170 | aSeqFprm.Append(aNul); | |
1171 | aSeqLprm.Append(lprm); | |
1172 | } | |
1173 | else { | |
1174 | gp_Pnt P1 = newc->Value(aNul); | |
1175 | gp_Pnt P2 = newc->Value(lprm); | |
1176 | Standard_Real aTolDist = BRep_Tool::Tolerance(myFace1) + BRep_Tool::Tolerance(myFace2); | |
1177 | aTolDist = (myTolReached3d > aTolDist) ? myTolReached3d : aTolDist; | |
1178 | ||
1179 | if(P1.Distance(P2) > aTolDist) { | |
1180 | Standard_Real anewpar = lprm; | |
1181 | ||
1182 | if(ParameterOutOfBoundary(lprm, newc, myFace1, myFace2, fprm, Standard_True, anewpar)) { | |
1183 | lprm = anewpar; | |
1184 | } | |
1185 | aSeqFprm.Append(aNul); | |
1186 | aSeqLprm.Append(lprm); | |
1187 | } | |
1188 | } | |
1189 | } | |
1190 | else { | |
1191 | // usual interval | |
1192 | aSeqFprm.Append(fprm); | |
1193 | aSeqLprm.Append(lprm); | |
1194 | } | |
1195 | } | |
1196 | ||
1197 | // | |
1198 | aNbParts=aSeqFprm.Length(); | |
1199 | for (i=1; i<=aNbParts; i++) { | |
1200 | fprm=aSeqFprm(i); | |
1201 | lprm=aSeqLprm(i); | |
1202 | // | |
1203 | Standard_Real aRealEpsilon=RealEpsilon(); | |
1204 | if (Abs(fprm) > aRealEpsilon || Abs(lprm-2.*PI) > aRealEpsilon) { | |
1205 | //============================================== | |
1206 | //// | |
1207 | IntTools_Curve aCurve; | |
1208 | Handle(Geom_TrimmedCurve) aTC3D=new Geom_TrimmedCurve(newc,fprm,lprm); | |
1209 | aCurve.SetCurve(aTC3D); | |
1210 | fprm=aTC3D->FirstParameter(); | |
1211 | lprm=aTC3D->LastParameter (); | |
1212 | //// | |
1213 | if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) {//// | |
1214 | if(myApprox1) { | |
1215 | Handle (Geom2d_Curve) C2d; | |
1216 | BuildPCurves(fprm,lprm,Tolpc,myHS1->ChangeSurface().Surface(),newc,C2d); | |
1217 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1218 | myTolReached2d=Tolpc; | |
1219 | } | |
1220 | // | |
1221 | aCurve.SetFirstCurve2d(C2d); | |
1222 | } | |
1223 | else { //// | |
1224 | Handle(Geom2d_BSplineCurve) H1; | |
1225 | aCurve.SetFirstCurve2d(H1); | |
1226 | } | |
1227 | ||
1228 | ||
1229 | if(myApprox2) { | |
1230 | Handle (Geom2d_Curve) C2d; | |
1231 | BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d); | |
1232 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1233 | myTolReached2d=Tolpc; | |
1234 | } | |
1235 | // | |
1236 | aCurve.SetSecondCurve2d(C2d); | |
1237 | } | |
1238 | else { | |
1239 | Handle(Geom2d_BSplineCurve) H1; | |
1240 | aCurve.SetSecondCurve2d(H1); | |
1241 | } | |
1242 | } | |
1243 | ||
1244 | else { | |
1245 | Handle(Geom2d_BSplineCurve) H1; | |
1246 | aCurve.SetFirstCurve2d(H1); | |
1247 | aCurve.SetSecondCurve2d(H1); | |
1248 | } | |
1249 | mySeqOfCurve.Append(aCurve); | |
1250 | //============================================== | |
1251 | } //if (Abs(fprm) > RealEpsilon() || Abs(lprm-2.*PI) > RealEpsilon()) | |
1252 | ||
1253 | else { | |
1254 | // on regarde si on garde | |
1255 | // | |
1256 | if (aNbParts==1) { | |
1257 | // if (Abs(fprm) < RealEpsilon() && Abs(lprm-2.*PI) < RealEpsilon()) { | |
1258 | if (Abs(fprm) <= aRealEpsilon && Abs(lprm-2.*PI) <= aRealEpsilon) { | |
1259 | IntTools_Curve aCurve; | |
1260 | Handle(Geom_TrimmedCurve) aTC3D=new Geom_TrimmedCurve(newc,fprm,lprm); | |
1261 | aCurve.SetCurve(aTC3D); | |
1262 | fprm=aTC3D->FirstParameter(); | |
1263 | lprm=aTC3D->LastParameter (); | |
1264 | ||
1265 | if(myApprox1) { | |
1266 | Handle (Geom2d_Curve) C2d; | |
1267 | BuildPCurves(fprm,lprm,Tolpc,myHS1->ChangeSurface().Surface(),newc,C2d); | |
1268 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1269 | myTolReached2d=Tolpc; | |
1270 | } | |
1271 | // | |
1272 | aCurve.SetFirstCurve2d(C2d); | |
1273 | } | |
1274 | else { //// | |
1275 | Handle(Geom2d_BSplineCurve) H1; | |
1276 | aCurve.SetFirstCurve2d(H1); | |
1277 | } | |
1278 | ||
1279 | if(myApprox2) { | |
1280 | Handle (Geom2d_Curve) C2d; | |
1281 | BuildPCurves(fprm,lprm,Tolpc,myHS2->ChangeSurface().Surface(),newc,C2d); | |
1282 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1283 | myTolReached2d=Tolpc; | |
1284 | } | |
1285 | // | |
1286 | aCurve.SetSecondCurve2d(C2d); | |
1287 | } | |
1288 | else { | |
1289 | Handle(Geom2d_BSplineCurve) H1; | |
1290 | aCurve.SetSecondCurve2d(H1); | |
1291 | } | |
1292 | mySeqOfCurve.Append(aCurve); | |
1293 | break; | |
1294 | } | |
1295 | } | |
1296 | // | |
1297 | Standard_Real aTwoPIdiv17, u1, v1, u2, v2, Tol; | |
1298 | ||
1299 | aTwoPIdiv17=2.*PI/17.; | |
1300 | ||
1301 | for (j=0; j<=17; j++) { | |
1302 | gp_Pnt ptref (newc->Value (j*aTwoPIdiv17)); | |
1303 | Tol = Precision::Confusion(); | |
1304 | ||
1305 | Parameters(myHS1, myHS2, ptref, u1, v1, u2, v2); | |
1306 | ok = (dom1->Classify(gp_Pnt2d(u1,v1),Tol) != TopAbs_OUT); | |
1307 | if(ok) { | |
1308 | ok = (dom2->Classify(gp_Pnt2d(u2,v2),Tol) != TopAbs_OUT); | |
1309 | } | |
1310 | if (ok) { | |
1311 | IntTools_Curve aCurve; | |
1312 | aCurve.SetCurve(newc); | |
1313 | //============================================== | |
1314 | if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) { | |
1315 | ||
1316 | if(myApprox1) { | |
1317 | Handle (Geom2d_Curve) C2d; | |
1318 | BuildPCurves(fprm, lprm, Tolpc, myHS1->ChangeSurface().Surface(), newc, C2d); | |
1319 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1320 | myTolReached2d=Tolpc; | |
1321 | } | |
1322 | // | |
1323 | aCurve.SetFirstCurve2d(C2d); | |
1324 | } | |
1325 | else { | |
1326 | Handle(Geom2d_BSplineCurve) H1; | |
1327 | aCurve.SetFirstCurve2d(H1); | |
1328 | } | |
1329 | ||
1330 | if(myApprox2) { | |
1331 | Handle (Geom2d_Curve) C2d; | |
1332 | BuildPCurves(fprm, lprm, Tolpc,myHS2->ChangeSurface().Surface(), newc, C2d); | |
1333 | if(Tolpc>myTolReached2d || myTolReached2d==0) { | |
1334 | myTolReached2d=Tolpc; | |
1335 | } | |
1336 | // | |
1337 | aCurve.SetSecondCurve2d(C2d); | |
1338 | } | |
1339 | ||
1340 | else { | |
1341 | Handle(Geom2d_BSplineCurve) H1; | |
1342 | aCurve.SetSecondCurve2d(H1); | |
1343 | } | |
1344 | }// end of if (typl == IntPatch_Circle || typl == IntPatch_Ellipse) | |
1345 | ||
1346 | else { | |
1347 | Handle(Geom2d_BSplineCurve) H1; | |
1348 | // | |
1349 | aCurve.SetFirstCurve2d(H1); | |
1350 | aCurve.SetSecondCurve2d(H1); | |
1351 | } | |
1352 | //============================================== | |
1353 | // | |
1354 | mySeqOfCurve.Append(aCurve); | |
1355 | break; | |
1356 | ||
1357 | }// end of if (ok) { | |
1358 | }// end of for (Standard_Integer j=0; j<=17; j++) | |
0fc4f2e2 | 1359 | }// end of else { on regarde si on garde |
7fd59977 | 1360 | }// for (i=1; i<=myLConstruct.NbParts(); i++) |
1361 | }// IntPatch_Circle: IntPatch_Ellipse: | |
1362 | break; | |
1363 | ||
1364 | case IntPatch_Analytic: { | |
1365 | IntSurf_Quadric quad1,quad2; | |
1366 | GeomAbs_SurfaceType typs = myHS1->Surface().GetType(); | |
1367 | ||
1368 | switch (typs) { | |
1369 | case GeomAbs_Plane: | |
1370 | quad1.SetValue(myHS1->Surface().Plane()); | |
1371 | break; | |
1372 | case GeomAbs_Cylinder: | |
1373 | quad1.SetValue(myHS1->Surface().Cylinder()); | |
1374 | break; | |
1375 | case GeomAbs_Cone: | |
1376 | quad1.SetValue(myHS1->Surface().Cone()); | |
1377 | break; | |
1378 | case GeomAbs_Sphere: | |
1379 | quad1.SetValue(myHS1->Surface().Sphere()); | |
1380 | break; | |
1381 | default: | |
1382 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve 1"); | |
1383 | } | |
1384 | ||
1385 | typs = myHS2->Surface().GetType(); | |
1386 | ||
1387 | switch (typs) { | |
1388 | case GeomAbs_Plane: | |
1389 | quad2.SetValue(myHS2->Surface().Plane()); | |
1390 | break; | |
1391 | case GeomAbs_Cylinder: | |
1392 | quad2.SetValue(myHS2->Surface().Cylinder()); | |
1393 | break; | |
1394 | case GeomAbs_Cone: | |
1395 | quad2.SetValue(myHS2->Surface().Cone()); | |
1396 | break; | |
1397 | case GeomAbs_Sphere: | |
1398 | quad2.SetValue(myHS2->Surface().Sphere()); | |
1399 | break; | |
1400 | default: | |
1401 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve 2"); | |
1402 | } | |
1403 | // | |
1404 | //========= | |
1405 | IntPatch_ALineToWLine convert (quad1, quad2); | |
1406 | ||
1407 | if (!myApprox) { | |
1408 | aNbParts=myLConstruct.NbParts(); | |
1409 | for (i=1; i<=aNbParts; i++) { | |
1410 | myLConstruct.Part(i, fprm, lprm); | |
1411 | Handle(IntPatch_WLine) WL = | |
1412 | convert.MakeWLine(Handle(IntPatch_ALine)::DownCast(L), fprm, lprm); | |
1413 | // | |
1414 | Handle(Geom2d_BSplineCurve) H1; | |
1415 | Handle(Geom2d_BSplineCurve) H2; | |
1416 | ||
1417 | if(myApprox1) { | |
1418 | H1 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True); | |
1419 | } | |
1420 | ||
1421 | if(myApprox2) { | |
1422 | H2 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False); | |
1423 | } | |
1424 | // | |
1425 | mySeqOfCurve.Append(IntTools_Curve(MakeBSpline(WL,1,WL->NbPnts()), H1, H2)); | |
1426 | } | |
1427 | } // if (!myApprox) | |
1428 | ||
1429 | else { // myApprox=TRUE | |
1430 | GeomInt_WLApprox theapp3d; | |
1431 | // | |
1432 | Standard_Real tol2d = myTolApprox; | |
1433 | // | |
1434 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_True); | |
1435 | ||
1436 | aNbParts=myLConstruct.NbParts(); | |
1437 | for (i=1; i<=aNbParts; i++) { | |
1438 | myLConstruct.Part(i, fprm, lprm); | |
1439 | Handle(IntPatch_WLine) WL = | |
1440 | convert.MakeWLine(Handle(IntPatch_ALine):: DownCast(L),fprm,lprm); | |
1441 | ||
1442 | theapp3d.Perform(myHS1,myHS2,WL,Standard_True,myApprox1,myApprox2, 1, WL->NbPnts()); | |
1443 | ||
1444 | if (!theapp3d.IsDone()) { | |
1445 | // | |
1446 | Handle(Geom2d_BSplineCurve) H1; | |
1447 | Handle(Geom2d_BSplineCurve) H2; | |
1448 | ||
1449 | if(myApprox1) { | |
1450 | H1 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_True); | |
1451 | } | |
1452 | ||
1453 | if(myApprox2) { | |
1454 | H2 = MakeBSpline2d(WL, 1, WL->NbPnts(), Standard_False); | |
1455 | } | |
1456 | // | |
1457 | mySeqOfCurve.Append(IntTools_Curve(MakeBSpline(WL,1,WL->NbPnts()), H1, H2)); | |
1458 | } | |
1459 | ||
1460 | else { | |
1461 | if(myApprox1 || myApprox2) { | |
1462 | if( theapp3d.TolReached2d()>myTolReached2d || myTolReached2d==0) { | |
1463 | myTolReached2d = theapp3d.TolReached2d(); | |
1464 | } | |
1465 | } | |
1466 | ||
1467 | if( theapp3d.TolReached3d()>myTolReached3d || myTolReached3d==0) { | |
1468 | myTolReached3d = theapp3d.TolReached3d(); | |
1469 | } | |
1470 | ||
1471 | Standard_Integer aNbMultiCurves, nbpoles; | |
1472 | aNbMultiCurves=theapp3d.NbMultiCurves(); | |
1473 | for (j=1; j<=aNbMultiCurves; j++) { | |
1474 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); | |
1475 | nbpoles = mbspc.NbPoles(); | |
1476 | ||
1477 | TColgp_Array1OfPnt tpoles(1, nbpoles); | |
1478 | mbspc.Curve(1, tpoles); | |
1479 | Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles, | |
1480 | mbspc.Knots(), | |
1481 | mbspc.Multiplicities(), | |
1482 | mbspc.Degree()); | |
1483 | ||
1484 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); | |
1485 | Check.FixTangent(Standard_True,Standard_True); | |
1486 | // | |
1487 | IntTools_Curve aCurve; | |
1488 | aCurve.SetCurve(BS); | |
1489 | ||
1490 | if(myApprox1) { | |
1491 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); | |
1492 | mbspc.Curve(2,tpoles2d); | |
1493 | Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d, | |
1494 | mbspc.Knots(), | |
1495 | mbspc.Multiplicities(), | |
1496 | mbspc.Degree()); | |
1497 | ||
1498 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); | |
1499 | newCheck.FixTangent(Standard_True,Standard_True); | |
1500 | // | |
1501 | aCurve.SetFirstCurve2d(BS2); | |
1502 | } | |
1503 | else { | |
1504 | Handle(Geom2d_BSplineCurve) H1; | |
1505 | aCurve.SetFirstCurve2d(H1); | |
1506 | } | |
1507 | ||
1508 | if(myApprox2) { | |
1509 | TColgp_Array1OfPnt2d tpoles2d(1, nbpoles); | |
1510 | Standard_Integer TwoOrThree; | |
1511 | TwoOrThree=myApprox1 ? 3 : 2; | |
1512 | mbspc.Curve(TwoOrThree, tpoles2d); | |
1513 | Handle(Geom2d_BSplineCurve) BS2 =new Geom2d_BSplineCurve(tpoles2d, | |
1514 | mbspc.Knots(), | |
1515 | mbspc.Multiplicities(), | |
1516 | mbspc.Degree()); | |
1517 | ||
1518 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); | |
1519 | newCheck.FixTangent(Standard_True,Standard_True); | |
1520 | // | |
1521 | aCurve.SetSecondCurve2d(BS2); | |
1522 | } | |
1523 | else { | |
1524 | Handle(Geom2d_BSplineCurve) H2; | |
1525 | aCurve.SetSecondCurve2d(H2); | |
1526 | } | |
1527 | // | |
1528 | mySeqOfCurve.Append(aCurve); | |
1529 | ||
1530 | }// for (j=1; j<=aNbMultiCurves; j++) { | |
1531 | }// else from if (!theapp3d.IsDone()) | |
1532 | }// for (i=1; i<=aNbParts; i++) { | |
1533 | }// else { // myApprox=TRUE | |
1534 | }// case IntPatch_Analytic: | |
1535 | break; | |
1536 | ||
1537 | case IntPatch_Walking:{ | |
1538 | Handle(IntPatch_WLine) WL = | |
1539 | Handle(IntPatch_WLine)::DownCast(L); | |
1540 | // | |
1541 | Standard_Integer ifprm, ilprm; | |
1542 | // | |
1543 | if (!myApprox) { | |
1544 | aNbParts = 1; | |
1545 | if(!bAvoidLineConstructor){ | |
1546 | aNbParts=myLConstruct.NbParts(); | |
1547 | } | |
1548 | for (i=1; i<=aNbParts; ++i) { | |
1549 | Handle(Geom2d_BSplineCurve) H1, H2; | |
1550 | Handle(Geom_Curve) aBSp; | |
1551 | // | |
1552 | if(bAvoidLineConstructor) { | |
1553 | ifprm = 1; | |
1554 | ilprm = WL->NbPnts(); | |
1555 | } | |
1556 | else { | |
1557 | myLConstruct.Part(i, fprm, lprm); | |
1558 | ifprm=(Standard_Integer)fprm; | |
1559 | ilprm=(Standard_Integer)lprm; | |
1560 | } | |
1561 | // | |
1562 | if(myApprox1) { | |
1563 | H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True); | |
1564 | } | |
1565 | // | |
1566 | if(myApprox2) { | |
1567 | H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False); | |
1568 | } | |
1569 | // | |
1570 | aBSp=MakeBSpline(WL, ifprm, ilprm); | |
1571 | IntTools_Curve aIC(aBSp, H1, H2); | |
1572 | mySeqOfCurve.Append(aIC); | |
1573 | }// for (i=1; i<=aNbParts; ++i) { | |
1574 | }// if (!myApprox) { | |
1575 | // | |
1576 | else { // X | |
1577 | Standard_Boolean bIsDecomposited; | |
1578 | Standard_Integer nbiter, aNbSeqOfL; | |
1579 | Standard_Real tol2d; | |
1580 | IntPatch_SequenceOfLine aSeqOfL; | |
1581 | GeomInt_WLApprox theapp3d; | |
1582 | Approx_ParametrizationType aParType = Approx_ChordLength; | |
1583 | // | |
1584 | Standard_Boolean anApprox1 = myApprox1; | |
1585 | Standard_Boolean anApprox2 = myApprox2; | |
1586 | ||
1587 | tol2d = myTolApprox; | |
1588 | ||
1589 | GeomAbs_SurfaceType typs1, typs2; | |
1590 | typs1 = myHS1->Surface().GetType(); | |
1591 | typs2 = myHS2->Surface().GetType(); | |
1592 | Standard_Boolean anWithPC = Standard_True; | |
1593 | ||
1594 | if(typs1 == GeomAbs_Cylinder && typs2 == GeomAbs_Sphere) { | |
1595 | anWithPC = | |
1596 | ApproxWithPCurves(myHS1->Surface().Cylinder(), myHS2->Surface().Sphere()); | |
1597 | } | |
1598 | else if (typs1 == GeomAbs_Sphere && typs2 == GeomAbs_Cylinder) { | |
1599 | anWithPC = | |
1600 | ApproxWithPCurves(myHS2->Surface().Cylinder(), myHS1->Surface().Sphere()); | |
1601 | } | |
1602 | if(!anWithPC) { | |
1603 | //aParType = Approx_Centripetal; | |
1604 | myTolApprox = 1.e-5; | |
1605 | anApprox1 = Standard_False; | |
1606 | anApprox2 = Standard_False; | |
1607 | // | |
1608 | tol2d = myTolApprox; | |
1609 | } | |
1610 | ||
1611 | if(myHS1 == myHS2) { | |
1612 | // | |
1613 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType); | |
1614 | rejectSurface = Standard_True; | |
1615 | } | |
1616 | else { | |
1617 | if(reApprox && !rejectSurface) | |
1618 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType); | |
1619 | else { | |
0fc4f2e2 | 1620 | Standard_Integer iDegMax, iDegMin; |
7fd59977 | 1621 | // |
0fc4f2e2 P |
1622 | ApproxParameters(myHS1, myHS2, iDegMin, iDegMax); |
1623 | theapp3d.SetParameters(myTolApprox, tol2d, iDegMin, iDegMax, 0, Standard_True, aParType); | |
7fd59977 | 1624 | } |
1625 | } | |
1626 | // | |
1627 | Standard_Real aReachedTol = Precision::Confusion(); | |
1628 | bIsDecomposited=DecompositionOfWLine(WL, | |
1629 | myHS1, | |
1630 | myHS2, | |
1631 | myFace1, | |
1632 | myFace2, | |
1633 | myLConstruct, | |
1634 | bAvoidLineConstructor, | |
1635 | aSeqOfL, | |
1636 | aReachedTol); | |
1637 | if ( bIsDecomposited && ( myTolReached3d < aReachedTol ) ) | |
1638 | myTolReached3d = aReachedTol; | |
1639 | ||
1640 | // | |
1641 | aNbSeqOfL=aSeqOfL.Length(); | |
1642 | // | |
1643 | if (bIsDecomposited) { | |
1644 | nbiter=aNbSeqOfL; | |
1645 | } | |
1646 | else { | |
1647 | nbiter=1; | |
1648 | aNbParts=1; | |
1649 | if (!bAvoidLineConstructor) { | |
1650 | aNbParts=myLConstruct.NbParts(); | |
1651 | nbiter=aNbParts; | |
1652 | } | |
1653 | } | |
1654 | // | |
1655 | // nbiter=(bIsDecomposited) ? aSeqOfL.Length() : | |
1656 | // ((bAvoidLineConstructor) ? 1 :aNbParts); | |
1657 | // | |
1658 | for(i = 1; i <= nbiter; ++i) { | |
1659 | if(bIsDecomposited) { | |
1660 | WL = Handle(IntPatch_WLine)::DownCast(aSeqOfL.Value(i)); | |
1661 | ifprm = 1; | |
1662 | ilprm = WL->NbPnts(); | |
1663 | } | |
1664 | else { | |
1665 | if(bAvoidLineConstructor) { | |
1666 | ifprm = 1; | |
1667 | ilprm = WL->NbPnts(); | |
1668 | } | |
1669 | else { | |
1670 | myLConstruct.Part(i, fprm, lprm); | |
1671 | ifprm = (Standard_Integer)fprm; | |
1672 | ilprm = (Standard_Integer)lprm; | |
1673 | } | |
1674 | } | |
0fc4f2e2 P |
1675 | //-- lbr : |
1676 | //-- Si une des surfaces est un plan , on approxime en 2d | |
1677 | //-- sur cette surface et on remonte les points 2d en 3d. | |
7fd59977 | 1678 | if(typs1 == GeomAbs_Plane) { |
1679 | theapp3d.Perform(myHS1, myHS2, WL, Standard_False,Standard_True, myApprox2,ifprm,ilprm); | |
1680 | } | |
1681 | else if(typs2 == GeomAbs_Plane) { | |
1682 | theapp3d.Perform(myHS1,myHS2,WL,Standard_False,myApprox1,Standard_True,ifprm,ilprm); | |
1683 | } | |
1684 | else { | |
1685 | // | |
1686 | if (myHS1 != myHS2){ | |
1687 | if ((typs1==GeomAbs_BezierSurface || typs1==GeomAbs_BSplineSurface) && | |
1688 | (typs2==GeomAbs_BezierSurface || typs2==GeomAbs_BSplineSurface)) { | |
1689 | ||
1690 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_True, aParType); | |
1691 | ||
1692 | Standard_Boolean bUseSurfaces; | |
1693 | bUseSurfaces=NotUseSurfacesForApprox(myFace1, myFace2, WL, ifprm, ilprm); | |
1694 | if (bUseSurfaces) { | |
1695 | // ###### | |
1696 | rejectSurface = Standard_True; | |
1697 | // ###### | |
1698 | theapp3d.SetParameters(myTolApprox, tol2d, 4, 8, 0, Standard_False, aParType); | |
1699 | } | |
1700 | } | |
1701 | } | |
1702 | // | |
1703 | theapp3d.Perform(myHS1,myHS2,WL,Standard_True,anApprox1,anApprox2,ifprm,ilprm); | |
1704 | } | |
1705 | ||
1706 | if (!theapp3d.IsDone()) { | |
1707 | // | |
1708 | Handle(Geom2d_BSplineCurve) H1; | |
1709 | // | |
1710 | Handle(Geom_Curve) aBSp=MakeBSpline(WL,ifprm, ilprm); | |
1711 | Handle(Geom2d_BSplineCurve) H2; | |
1712 | ||
1713 | if(myApprox1) { | |
1714 | H1 = MakeBSpline2d(WL, ifprm, ilprm, Standard_True); | |
1715 | } | |
1716 | ||
1717 | if(myApprox2) { | |
1718 | H2 = MakeBSpline2d(WL, ifprm, ilprm, Standard_False); | |
1719 | } | |
1720 | // | |
1721 | IntTools_Curve aIC(aBSp, H1, H2); | |
1722 | mySeqOfCurve.Append(aIC); | |
1723 | } | |
1724 | ||
1725 | else { | |
1726 | if(myApprox1 || myApprox2 || (typs1==GeomAbs_Plane || typs2==GeomAbs_Plane)) { | |
1727 | if( theapp3d.TolReached2d()>myTolReached2d || myTolReached2d==0.) { | |
1728 | myTolReached2d = theapp3d.TolReached2d(); | |
1729 | } | |
1730 | } | |
1731 | if(typs1==GeomAbs_Plane || typs2==GeomAbs_Plane) { | |
1732 | myTolReached3d = myTolReached2d; | |
1733 | // | |
1734 | if (typs1==GeomAbs_Torus || typs2==GeomAbs_Torus) { | |
1735 | if (myTolReached3d<1.e-6) { | |
1736 | myTolReached3d = theapp3d.TolReached3d(); | |
1737 | myTolReached3d=1.e-6; | |
1738 | } | |
1739 | } | |
1740 | // | |
1741 | } | |
1742 | else if( theapp3d.TolReached3d()>myTolReached3d || myTolReached3d==0.) { | |
1743 | myTolReached3d = theapp3d.TolReached3d(); | |
1744 | } | |
1745 | ||
1746 | Standard_Integer aNbMultiCurves, nbpoles; | |
1747 | aNbMultiCurves=theapp3d.NbMultiCurves(); | |
1748 | for (j=1; j<=aNbMultiCurves; j++) { | |
1749 | if(typs1 == GeomAbs_Plane) { | |
1750 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); | |
1751 | nbpoles = mbspc.NbPoles(); | |
1752 | ||
1753 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); | |
1754 | TColgp_Array1OfPnt tpoles(1,nbpoles); | |
1755 | ||
1756 | mbspc.Curve(1,tpoles2d); | |
1757 | const gp_Pln& Pln = myHS1->Surface().Plane(); | |
1758 | // | |
1759 | Standard_Integer ik; | |
1760 | for(ik = 1; ik<= nbpoles; ik++) { | |
1761 | tpoles.SetValue(ik, | |
1762 | ElSLib::Value(tpoles2d.Value(ik).X(), | |
1763 | tpoles2d.Value(ik).Y(), | |
1764 | Pln)); | |
1765 | } | |
1766 | // | |
1767 | Handle(Geom_BSplineCurve) BS = | |
1768 | new Geom_BSplineCurve(tpoles, | |
1769 | mbspc.Knots(), | |
1770 | mbspc.Multiplicities(), | |
1771 | mbspc.Degree()); | |
1772 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); | |
1773 | Check.FixTangent(Standard_True, Standard_True); | |
1774 | // | |
1775 | IntTools_Curve aCurve; | |
1776 | aCurve.SetCurve(BS); | |
1777 | ||
1778 | if(myApprox1) { | |
1779 | Handle(Geom2d_BSplineCurve) BS1 = | |
1780 | new Geom2d_BSplineCurve(tpoles2d, | |
1781 | mbspc.Knots(), | |
1782 | mbspc.Multiplicities(), | |
1783 | mbspc.Degree()); | |
1784 | GeomLib_Check2dBSplineCurve Check1(BS1,TOLCHECK,TOLANGCHECK); | |
1785 | Check1.FixTangent(Standard_True,Standard_True); | |
1786 | // | |
1787 | // ############################################ | |
1788 | if(!rejectSurface && !reApprox) { | |
1789 | Standard_Boolean isValid = IsCurveValid(BS1); | |
1790 | if(!isValid) { | |
1791 | reApprox = Standard_True; | |
1792 | goto reapprox; | |
1793 | } | |
1794 | } | |
1795 | // ############################################ | |
1796 | aCurve.SetFirstCurve2d(BS1); | |
1797 | } | |
1798 | else { | |
1799 | Handle(Geom2d_BSplineCurve) H1; | |
1800 | aCurve.SetFirstCurve2d(H1); | |
1801 | } | |
1802 | ||
1803 | if(myApprox2) { | |
1804 | mbspc.Curve(2, tpoles2d); | |
1805 | ||
1806 | Handle(Geom2d_BSplineCurve) BS2 = new Geom2d_BSplineCurve(tpoles2d, | |
1807 | mbspc.Knots(), | |
1808 | mbspc.Multiplicities(), | |
1809 | mbspc.Degree()); | |
1810 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); | |
1811 | newCheck.FixTangent(Standard_True,Standard_True); | |
1812 | ||
1813 | // ########################################### | |
1814 | if(!rejectSurface && !reApprox) { | |
1815 | Standard_Boolean isValid = IsCurveValid(BS2); | |
1816 | if(!isValid) { | |
1817 | reApprox = Standard_True; | |
1818 | goto reapprox; | |
1819 | } | |
1820 | } | |
1821 | // ########################################### | |
1822 | // | |
1823 | aCurve.SetSecondCurve2d(BS2); | |
1824 | } | |
1825 | else { | |
1826 | Handle(Geom2d_BSplineCurve) H2; | |
1827 | // | |
1828 | aCurve.SetSecondCurve2d(H2); | |
1829 | } | |
1830 | // | |
1831 | mySeqOfCurve.Append(aCurve); | |
1832 | } | |
1833 | ||
1834 | else if(typs2 == GeomAbs_Plane) { | |
1835 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); | |
1836 | nbpoles = mbspc.NbPoles(); | |
1837 | ||
1838 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); | |
1839 | TColgp_Array1OfPnt tpoles(1,nbpoles); | |
1840 | mbspc.Curve((myApprox1==Standard_True)? 2 : 1,tpoles2d); | |
1841 | const gp_Pln& Pln = myHS2->Surface().Plane(); | |
1842 | // | |
1843 | Standard_Integer ik; | |
1844 | for(ik = 1; ik<= nbpoles; ik++) { | |
1845 | tpoles.SetValue(ik, | |
1846 | ElSLib::Value(tpoles2d.Value(ik).X(), | |
1847 | tpoles2d.Value(ik).Y(), | |
1848 | Pln)); | |
1849 | ||
1850 | } | |
1851 | // | |
1852 | Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles, | |
1853 | mbspc.Knots(), | |
1854 | mbspc.Multiplicities(), | |
1855 | mbspc.Degree()); | |
1856 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); | |
1857 | Check.FixTangent(Standard_True,Standard_True); | |
1858 | // | |
1859 | IntTools_Curve aCurve; | |
1860 | aCurve.SetCurve(BS); | |
1861 | ||
1862 | if(myApprox2) { | |
1863 | Handle(Geom2d_BSplineCurve) BS1=new Geom2d_BSplineCurve(tpoles2d, | |
1864 | mbspc.Knots(), | |
1865 | mbspc.Multiplicities(), | |
1866 | mbspc.Degree()); | |
1867 | GeomLib_Check2dBSplineCurve Check1(BS1,TOLCHECK,TOLANGCHECK); | |
1868 | Check1.FixTangent(Standard_True,Standard_True); | |
1869 | // | |
1870 | // ########################################### | |
1871 | if(!rejectSurface && !reApprox) { | |
1872 | Standard_Boolean isValid = IsCurveValid(BS1); | |
1873 | if(!isValid) { | |
1874 | reApprox = Standard_True; | |
1875 | goto reapprox; | |
1876 | } | |
1877 | } | |
1878 | // ########################################### | |
1879 | aCurve.SetSecondCurve2d(BS1); | |
1880 | } | |
1881 | else { | |
1882 | Handle(Geom2d_BSplineCurve) H2; | |
1883 | aCurve.SetSecondCurve2d(H2); | |
1884 | } | |
1885 | ||
1886 | if(myApprox1) { | |
1887 | mbspc.Curve(1,tpoles2d); | |
1888 | Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d, | |
1889 | mbspc.Knots(), | |
1890 | mbspc.Multiplicities(), | |
1891 | mbspc.Degree()); | |
1892 | GeomLib_Check2dBSplineCurve Check2(BS2,TOLCHECK,TOLANGCHECK); | |
1893 | Check2.FixTangent(Standard_True,Standard_True); | |
1894 | // | |
1895 | // ########################################### | |
1896 | if(!rejectSurface && !reApprox) { | |
1897 | Standard_Boolean isValid = IsCurveValid(BS2); | |
1898 | if(!isValid) { | |
1899 | reApprox = Standard_True; | |
1900 | goto reapprox; | |
1901 | } | |
1902 | } | |
1903 | // ########################################### | |
1904 | aCurve.SetFirstCurve2d(BS2); | |
1905 | } | |
1906 | else { | |
1907 | Handle(Geom2d_BSplineCurve) H1; | |
1908 | // | |
1909 | aCurve.SetFirstCurve2d(H1); | |
1910 | } | |
1911 | // | |
1912 | mySeqOfCurve.Append(aCurve); | |
1913 | } | |
1914 | else { | |
1915 | const AppParCurves_MultiBSpCurve& mbspc = theapp3d.Value(j); | |
1916 | nbpoles = mbspc.NbPoles(); | |
1917 | TColgp_Array1OfPnt tpoles(1,nbpoles); | |
1918 | mbspc.Curve(1,tpoles); | |
1919 | Handle(Geom_BSplineCurve) BS=new Geom_BSplineCurve(tpoles, | |
1920 | mbspc.Knots(), | |
1921 | mbspc.Multiplicities(), | |
1922 | mbspc.Degree()); | |
1923 | GeomLib_CheckBSplineCurve Check(BS,TOLCHECK,TOLANGCHECK); | |
1924 | Check.FixTangent(Standard_True,Standard_True); | |
1925 | // | |
1926 | IntTools_Curve aCurve; | |
1927 | aCurve.SetCurve(BS); | |
1928 | ||
1929 | if(myApprox1) { | |
1930 | if(anApprox1) { | |
1931 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); | |
1932 | mbspc.Curve(2,tpoles2d); | |
1933 | Handle(Geom2d_BSplineCurve) BS1=new Geom2d_BSplineCurve(tpoles2d, | |
1934 | mbspc.Knots(), | |
1935 | mbspc.Multiplicities(), | |
1936 | mbspc.Degree()); | |
1937 | GeomLib_Check2dBSplineCurve newCheck(BS1,TOLCHECK,TOLANGCHECK); | |
1938 | newCheck.FixTangent(Standard_True,Standard_True); | |
1939 | // | |
1940 | aCurve.SetFirstCurve2d(BS1); | |
1941 | } | |
1942 | else { | |
1943 | Handle(Geom2d_BSplineCurve) BS1; | |
1944 | fprm = BS->FirstParameter(); | |
1945 | lprm = BS->LastParameter(); | |
1946 | ||
1947 | Handle(Geom2d_Curve) C2d; | |
1948 | Standard_Real aTol = myTolApprox; | |
1949 | BuildPCurves(fprm, lprm, aTol, myHS1->ChangeSurface().Surface(), BS, C2d); | |
1950 | BS1 = Handle(Geom2d_BSplineCurve)::DownCast(C2d); | |
1951 | aCurve.SetFirstCurve2d(BS1); | |
1952 | } | |
1953 | ||
1954 | } | |
1955 | else { | |
1956 | Handle(Geom2d_BSplineCurve) H1; | |
1957 | // | |
1958 | aCurve.SetFirstCurve2d(H1); | |
1959 | } | |
1960 | if(myApprox2) { | |
1961 | if(anApprox2) { | |
1962 | TColgp_Array1OfPnt2d tpoles2d(1,nbpoles); | |
1963 | mbspc.Curve((myApprox1==Standard_True)? 3 : 2,tpoles2d); | |
1964 | Handle(Geom2d_BSplineCurve) BS2=new Geom2d_BSplineCurve(tpoles2d, | |
1965 | mbspc.Knots(), | |
1966 | mbspc.Multiplicities(), | |
1967 | mbspc.Degree()); | |
1968 | GeomLib_Check2dBSplineCurve newCheck(BS2,TOLCHECK,TOLANGCHECK); | |
1969 | newCheck.FixTangent(Standard_True,Standard_True); | |
1970 | // | |
1971 | aCurve.SetSecondCurve2d(BS2); | |
1972 | } | |
1973 | else { | |
1974 | Handle(Geom2d_BSplineCurve) BS2; | |
1975 | fprm = BS->FirstParameter(); | |
1976 | lprm = BS->LastParameter(); | |
1977 | ||
1978 | Handle(Geom2d_Curve) C2d; | |
1979 | Standard_Real aTol = myTolApprox; | |
1980 | BuildPCurves(fprm, lprm, aTol, myHS2->ChangeSurface().Surface(), BS, C2d); | |
1981 | BS2 = Handle(Geom2d_BSplineCurve)::DownCast(C2d); | |
1982 | aCurve.SetSecondCurve2d(BS2); | |
1983 | } | |
1984 | ||
1985 | } | |
1986 | else { | |
1987 | Handle(Geom2d_BSplineCurve) H2; | |
1988 | // | |
1989 | aCurve.SetSecondCurve2d(H2); | |
1990 | } | |
1991 | // | |
1992 | mySeqOfCurve.Append(aCurve); | |
1993 | } | |
1994 | } | |
1995 | } | |
1996 | } | |
1997 | }// else { // X | |
1998 | }// case IntPatch_Walking:{ | |
1999 | break; | |
2000 | ||
2001 | case IntPatch_Restriction: | |
2002 | break; | |
2003 | ||
2004 | } | |
2005 | } | |
2006 | ||
2007 | //======================================================================= | |
2008 | //function : BuildPCurves | |
2009 | //purpose : | |
2010 | //======================================================================= | |
2011 | void BuildPCurves (Standard_Real f, | |
2012 | Standard_Real l, | |
2013 | Standard_Real& Tol, | |
2014 | const Handle (Geom_Surface)& S, | |
2015 | const Handle (Geom_Curve)& C, | |
2016 | Handle (Geom2d_Curve)& C2d) | |
2017 | { | |
2018 | ||
2019 | Standard_Real umin,umax,vmin,vmax; | |
2020 | // | |
2021 | ||
2022 | if (C2d.IsNull()) { | |
2023 | ||
2024 | // in class ProjLib_Function the range of parameters is shrank by 1.e-09 | |
2025 | if((l - f) > 2.e-09) { | |
2026 | C2d = GeomProjLib::Curve2d(C,f,l,S,Tol); | |
2027 | // | |
2028 | if (C2d.IsNull()) { | |
2029 | // proj. a circle that goes through the pole on a sphere to the sphere | |
2030 | Tol=Tol+1.e-7; | |
2031 | C2d = GeomProjLib::Curve2d(C,f,l,S,Tol); | |
2032 | } | |
2033 | } | |
2034 | else { | |
2035 | if((l - f) > Epsilon(Abs(f))) { | |
2036 | GeomAPI_ProjectPointOnSurf aProjector1, aProjector2; | |
2037 | gp_Pnt P1 = C->Value(f); | |
2038 | gp_Pnt P2 = C->Value(l); | |
2039 | aProjector1.Init(P1, S); | |
2040 | aProjector2.Init(P2, S); | |
2041 | ||
2042 | if(aProjector1.IsDone() && aProjector2.IsDone()) { | |
2043 | Standard_Real U=0., V=0.; | |
2044 | aProjector1.LowerDistanceParameters(U, V); | |
2045 | gp_Pnt2d p1(U, V); | |
2046 | ||
2047 | aProjector2.LowerDistanceParameters(U, V); | |
2048 | gp_Pnt2d p2(U, V); | |
2049 | ||
2050 | if(p1.Distance(p2) > gp::Resolution()) { | |
2051 | TColgp_Array1OfPnt2d poles(1,2); | |
2052 | TColStd_Array1OfReal knots(1,2); | |
2053 | TColStd_Array1OfInteger mults(1,2); | |
2054 | poles(1) = p1; | |
2055 | poles(2) = p2; | |
2056 | knots(1) = f; | |
2057 | knots(2) = l; | |
2058 | mults(1) = mults(2) = 2; | |
2059 | ||
2060 | C2d = new Geom2d_BSplineCurve(poles,knots,mults,1); | |
2061 | ||
2062 | // compute reached tolerance.begin | |
2063 | gp_Pnt PMid = C->Value((f + l) * 0.5); | |
2064 | aProjector1.Perform(PMid); | |
2065 | ||
2066 | if(aProjector1.IsDone()) { | |
2067 | aProjector1.LowerDistanceParameters(U, V); | |
2068 | gp_Pnt2d pmidproj(U, V); | |
2069 | gp_Pnt2d pmidcurve2d = C2d->Value((f + l) * 0.5); | |
2070 | Standard_Real adist = pmidcurve2d.Distance(pmidproj); | |
2071 | Tol = (adist > Tol) ? adist : Tol; | |
2072 | } | |
2073 | // compute reached tolerance.end | |
2074 | } | |
2075 | } | |
2076 | } | |
2077 | } | |
2078 | // | |
2079 | S->Bounds(umin, umax, vmin, vmax); | |
2080 | ||
2081 | if (S->IsUPeriodic() && !C2d.IsNull()) { | |
0fc4f2e2 | 2082 | // Recadre dans le domaine UV de la face |
7fd59977 | 2083 | Standard_Real period, U0, du, aEps; |
2084 | ||
2085 | du =0.0; | |
2086 | aEps=Precision::PConfusion(); | |
2087 | period = S->UPeriod(); | |
2088 | gp_Pnt2d Pf = C2d->Value(f); | |
2089 | U0=Pf.X(); | |
2090 | // | |
2091 | gp_Pnt2d Pl = C2d->Value(l); | |
2092 | ||
2093 | U0 = Min(Pl.X(), U0); | |
2094 | // while(U0-umin<aEps) { | |
2095 | while(U0-umin<-aEps) { | |
2096 | U0+=period; | |
2097 | du+=period; | |
2098 | } | |
2099 | // | |
2100 | while(U0-umax>aEps) { | |
2101 | U0-=period; | |
2102 | du-=period; | |
2103 | } | |
2104 | if (du != 0) { | |
2105 | gp_Vec2d T1(du,0.); | |
2106 | C2d->Translate(T1); | |
2107 | } | |
2108 | } | |
2109 | } | |
2110 | if (C2d.IsNull()) { | |
2111 | BOPTColStd_Dump::PrintMessage("BuildPCurves()=> Echec ProjLib\n"); | |
2112 | } | |
2113 | } | |
2114 | ||
2115 | //======================================================================= | |
2116 | //function : Parameters | |
2117 | //purpose : | |
2118 | //======================================================================= | |
2119 | void Parameters(const Handle(GeomAdaptor_HSurface)& HS1, | |
2120 | const Handle(GeomAdaptor_HSurface)& HS2, | |
2121 | const gp_Pnt& Ptref, | |
2122 | Standard_Real& U1, | |
2123 | Standard_Real& V1, | |
2124 | Standard_Real& U2, | |
2125 | Standard_Real& V2) | |
2126 | { | |
2127 | ||
2128 | IntSurf_Quadric quad1,quad2; | |
2129 | GeomAbs_SurfaceType typs = HS1->Surface().GetType(); | |
2130 | ||
2131 | switch (typs) { | |
2132 | case GeomAbs_Plane: | |
2133 | quad1.SetValue(HS1->Surface().Plane()); | |
2134 | break; | |
2135 | case GeomAbs_Cylinder: | |
2136 | quad1.SetValue(HS1->Surface().Cylinder()); | |
2137 | break; | |
2138 | case GeomAbs_Cone: | |
2139 | quad1.SetValue(HS1->Surface().Cone()); | |
2140 | break; | |
2141 | case GeomAbs_Sphere: | |
2142 | quad1.SetValue(HS1->Surface().Sphere()); | |
2143 | break; | |
2144 | default: | |
2145 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve"); | |
2146 | } | |
2147 | ||
2148 | typs = HS2->Surface().GetType(); | |
2149 | switch (typs) { | |
2150 | case GeomAbs_Plane: | |
2151 | quad2.SetValue(HS2->Surface().Plane()); | |
2152 | break; | |
2153 | case GeomAbs_Cylinder: | |
2154 | quad2.SetValue(HS2->Surface().Cylinder()); | |
2155 | break; | |
2156 | case GeomAbs_Cone: | |
2157 | quad2.SetValue(HS2->Surface().Cone()); | |
2158 | break; | |
2159 | case GeomAbs_Sphere: | |
2160 | quad2.SetValue(HS2->Surface().Sphere()); | |
2161 | break; | |
2162 | default: | |
2163 | Standard_ConstructionError::Raise("GeomInt_IntSS::MakeCurve"); | |
2164 | } | |
2165 | ||
2166 | quad1.Parameters(Ptref,U1,V1); | |
2167 | quad2.Parameters(Ptref,U2,V2); | |
2168 | } | |
2169 | ||
2170 | //======================================================================= | |
2171 | //function : MakeBSpline | |
2172 | //purpose : | |
2173 | //======================================================================= | |
2174 | Handle(Geom_Curve) MakeBSpline (const Handle(IntPatch_WLine)& WL, | |
2175 | const Standard_Integer ideb, | |
2176 | const Standard_Integer ifin) | |
2177 | { | |
2178 | Standard_Integer i,nbpnt = ifin-ideb+1; | |
2179 | TColgp_Array1OfPnt poles(1,nbpnt); | |
2180 | TColStd_Array1OfReal knots(1,nbpnt); | |
2181 | TColStd_Array1OfInteger mults(1,nbpnt); | |
2182 | Standard_Integer ipidebm1; | |
2183 | for(i=1,ipidebm1=i+ideb-1; i<=nbpnt;ipidebm1++, i++) { | |
2184 | poles(i) = WL->Point(ipidebm1).Value(); | |
2185 | mults(i) = 1; | |
2186 | knots(i) = i-1; | |
2187 | } | |
2188 | mults(1) = mults(nbpnt) = 2; | |
2189 | return | |
2190 | new Geom_BSplineCurve(poles,knots,mults,1); | |
2191 | } | |
2192 | // | |
2193 | ||
2194 | //======================================================================= | |
2195 | //function : MakeBSpline2d | |
2196 | //purpose : | |
2197 | //======================================================================= | |
2198 | Handle(Geom2d_BSplineCurve) MakeBSpline2d(const Handle(IntPatch_WLine)& theWLine, | |
2199 | const Standard_Integer ideb, | |
2200 | const Standard_Integer ifin, | |
2201 | const Standard_Boolean onFirst) | |
2202 | { | |
2203 | Standard_Integer i, nbpnt = ifin-ideb+1; | |
2204 | TColgp_Array1OfPnt2d poles(1,nbpnt); | |
2205 | TColStd_Array1OfReal knots(1,nbpnt); | |
2206 | TColStd_Array1OfInteger mults(1,nbpnt); | |
2207 | Standard_Integer ipidebm1; | |
2208 | ||
2209 | for(i = 1, ipidebm1 = i+ideb-1; i <= nbpnt; ipidebm1++, i++) { | |
2210 | Standard_Real U, V; | |
2211 | if(onFirst) | |
2212 | theWLine->Point(ipidebm1).ParametersOnS1(U, V); | |
2213 | else | |
2214 | theWLine->Point(ipidebm1).ParametersOnS2(U, V); | |
2215 | poles(i).SetCoord(U, V); | |
2216 | mults(i) = 1; | |
2217 | knots(i) = i-1; | |
2218 | } | |
2219 | mults(1) = mults(nbpnt) = 2; | |
2220 | ||
2221 | return new Geom2d_BSplineCurve(poles,knots,mults,1); | |
2222 | } | |
2223 | //======================================================================= | |
2224 | //function : PrepareLines3D | |
2225 | //purpose : | |
2226 | //======================================================================= | |
a9f7b6b5 | 2227 | void IntTools_FaceFace::PrepareLines3D(const Standard_Boolean bToSplit) |
7fd59977 | 2228 | { |
a9f7b6b5 P |
2229 | Standard_Integer i, aNbCurves; |
2230 | GeomAbs_SurfaceType aType1, aType2; | |
7fd59977 | 2231 | IntTools_SequenceOfCurves aNewCvs; |
7fd59977 | 2232 | // |
a9f7b6b5 | 2233 | // 1. Treatment closed curves |
7fd59977 | 2234 | aNbCurves=mySeqOfCurve.Length(); |
a9f7b6b5 | 2235 | for (i=1; i<=aNbCurves; ++i) { |
7fd59977 | 2236 | const IntTools_Curve& aIC=mySeqOfCurve(i); |
7fd59977 | 2237 | // |
a9f7b6b5 P |
2238 | if (bToSplit) { |
2239 | Standard_Integer j, aNbC; | |
2240 | IntTools_SequenceOfCurves aSeqCvs; | |
2241 | // | |
2242 | aNbC=IntTools_Tools::SplitCurve(aIC, aSeqCvs); | |
2243 | if (aNbC) { | |
2244 | for (j=1; j<=aNbC; ++j) { | |
2245 | const IntTools_Curve& aICNew=aSeqCvs(j); | |
2246 | aNewCvs.Append(aICNew); | |
2247 | } | |
2248 | } | |
2249 | else { | |
2250 | aNewCvs.Append(aIC); | |
7fd59977 | 2251 | } |
2252 | } | |
7fd59977 | 2253 | else { |
2254 | aNewCvs.Append(aIC); | |
2255 | } | |
2256 | } | |
2257 | // | |
2258 | // 2. Plane\Cone intersection when we had 4 curves | |
a9f7b6b5 P |
2259 | aType1=myHS1->GetType(); |
2260 | aType2=myHS2->GetType(); | |
2261 | aNbCurves=aNewCvs.Length(); | |
2262 | // | |
7fd59977 | 2263 | if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Cone) || |
2264 | (aType2==GeomAbs_Plane && aType1==GeomAbs_Cone)) { | |
7fd59977 | 2265 | if (aNbCurves==4) { |
a9f7b6b5 P |
2266 | GeomAbs_CurveType aCType1; |
2267 | // | |
2268 | aCType1=aNewCvs(1).Type(); | |
7fd59977 | 2269 | if (aCType1==GeomAbs_Line) { |
2270 | IntTools_SequenceOfCurves aSeqIn, aSeqOut; | |
2271 | // | |
a9f7b6b5 | 2272 | for (i=1; i<=aNbCurves; ++i) { |
7fd59977 | 2273 | const IntTools_Curve& aIC=aNewCvs(i); |
2274 | aSeqIn.Append(aIC); | |
2275 | } | |
2276 | // | |
2277 | IntTools_Tools::RejectLines(aSeqIn, aSeqOut); | |
2278 | // | |
2279 | aNewCvs.Clear(); | |
2280 | aNbCurves=aSeqOut.Length(); | |
a9f7b6b5 | 2281 | for (i=1; i<=aNbCurves; ++i) { |
7fd59977 | 2282 | const IntTools_Curve& aIC=aSeqOut(i); |
2283 | aNewCvs.Append(aIC); | |
2284 | } | |
7fd59977 | 2285 | } |
2286 | } | |
a9f7b6b5 | 2287 | }// if ((aType1==GeomAbs_Plane && aType2==GeomAbs_Cone)... |
7fd59977 | 2288 | // |
2289 | // 3. Fill mySeqOfCurve | |
2290 | mySeqOfCurve.Clear(); | |
2291 | aNbCurves=aNewCvs.Length(); | |
a9f7b6b5 | 2292 | for (i=1; i<=aNbCurves; ++i) { |
7fd59977 | 2293 | const IntTools_Curve& aIC=aNewCvs(i); |
2294 | mySeqOfCurve.Append(aIC); | |
2295 | } | |
7fd59977 | 2296 | } |
7fd59977 | 2297 | //======================================================================= |
2298 | //function : CorrectSurfaceBoundaries | |
2299 | //purpose : | |
2300 | //======================================================================= | |
2301 | void CorrectSurfaceBoundaries(const TopoDS_Face& theFace, | |
2302 | const Standard_Real theTolerance, | |
2303 | Standard_Real& theumin, | |
2304 | Standard_Real& theumax, | |
2305 | Standard_Real& thevmin, | |
2306 | Standard_Real& thevmax) | |
2307 | { | |
2308 | Standard_Boolean enlarge, isuperiodic, isvperiodic; | |
2309 | Standard_Real uinf, usup, vinf, vsup, delta; | |
2310 | GeomAbs_SurfaceType aType; | |
2311 | Handle(Geom_Surface) aSurface; | |
2312 | // | |
2313 | aSurface = BRep_Tool::Surface(theFace); | |
2314 | aSurface->Bounds(uinf, usup, vinf, vsup); | |
2315 | delta = theTolerance; | |
2316 | enlarge = Standard_False; | |
2317 | // | |
2318 | GeomAdaptor_Surface anAdaptorSurface(aSurface); | |
2319 | // | |
2320 | if(aSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface))) { | |
2321 | Handle(Geom_Surface) aBasisSurface = | |
2322 | (Handle(Geom_RectangularTrimmedSurface)::DownCast(aSurface))->BasisSurface(); | |
2323 | ||
2324 | if(aBasisSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) || | |
2325 | aBasisSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) { | |
2326 | return; | |
2327 | } | |
2328 | } | |
2329 | // | |
2330 | if(aSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) { | |
2331 | Handle(Geom_Surface) aBasisSurface = | |
2332 | (Handle(Geom_OffsetSurface)::DownCast(aSurface))->BasisSurface(); | |
2333 | ||
2334 | if(aBasisSurface->IsKind(STANDARD_TYPE(Geom_RectangularTrimmedSurface)) || | |
2335 | aBasisSurface->IsKind(STANDARD_TYPE(Geom_OffsetSurface))) { | |
2336 | return; | |
2337 | } | |
2338 | } | |
2339 | // | |
2340 | isuperiodic = anAdaptorSurface.IsUPeriodic(); | |
2341 | isvperiodic = anAdaptorSurface.IsVPeriodic(); | |
2342 | // | |
2343 | aType=anAdaptorSurface.GetType(); | |
2344 | if((aType==GeomAbs_BezierSurface) || | |
2345 | (aType==GeomAbs_BSplineSurface) || | |
2346 | (aType==GeomAbs_SurfaceOfExtrusion) || | |
2347 | (aType==GeomAbs_SurfaceOfRevolution)) { | |
2348 | enlarge=Standard_True; | |
2349 | } | |
2350 | // | |
2351 | if(!isuperiodic && enlarge) { | |
2352 | ||
2353 | if((theumin - uinf) > delta ) | |
2354 | theumin -= delta; | |
2355 | else { | |
2356 | theumin = uinf; | |
2357 | } | |
2358 | ||
2359 | if((usup - theumax) > delta ) | |
2360 | theumax += delta; | |
2361 | else | |
2362 | theumax = usup; | |
2363 | } | |
2364 | // | |
2365 | if(!isvperiodic && enlarge) { | |
2366 | if((thevmin - vinf) > delta ) { | |
2367 | thevmin -= delta; | |
2368 | } | |
2369 | else { | |
2370 | thevmin = vinf; | |
2371 | } | |
2372 | if((vsup - thevmax) > delta ) { | |
2373 | thevmax += delta; | |
2374 | } | |
2375 | else { | |
2376 | thevmax = vsup; | |
2377 | } | |
2378 | } | |
2379 | // | |
2380 | { | |
2381 | Standard_Integer aNbP; | |
2382 | Standard_Real aXP, dXfact, aXmid, aX1, aX2, aTolPA; | |
2383 | // | |
2384 | aTolPA=Precision::Angular(); | |
2385 | // U | |
2386 | if (isuperiodic) { | |
2387 | aXP=anAdaptorSurface.UPeriod(); | |
2388 | dXfact=theumax-theumin; | |
2389 | if (dXfact-aTolPA>aXP) { | |
2390 | aXmid=0.5*(theumax+theumin); | |
2391 | aNbP=RealToInt(aXmid/aXP); | |
2392 | if (aXmid<0.) { | |
2393 | aNbP=aNbP-1; | |
2394 | } | |
2395 | aX1=aNbP*aXP; | |
0fc4f2e2 P |
2396 | if (theumin>aTolPA) { |
2397 | aX1=theumin+aNbP*aXP; | |
2398 | } | |
7fd59977 | 2399 | aX2=aX1+aXP; |
2400 | if (theumin<aX1) { | |
2401 | theumin=aX1; | |
2402 | } | |
2403 | if (theumax>aX2) { | |
2404 | theumax=aX2; | |
2405 | } | |
2406 | } | |
2407 | } | |
2408 | // V | |
2409 | if (isvperiodic) { | |
2410 | aXP=anAdaptorSurface.VPeriod(); | |
2411 | dXfact=thevmax-thevmin; | |
2412 | if (dXfact-aTolPA>aXP) { | |
2413 | aXmid=0.5*(thevmax+thevmin); | |
2414 | aNbP=RealToInt(aXmid/aXP); | |
2415 | if (aXmid<0.) { | |
2416 | aNbP=aNbP-1; | |
2417 | } | |
2418 | aX1=aNbP*aXP; | |
0fc4f2e2 P |
2419 | if (thevmin>aTolPA) { |
2420 | aX1=thevmin+aNbP*aXP; | |
2421 | } | |
7fd59977 | 2422 | aX2=aX1+aXP; |
2423 | if (thevmin<aX1) { | |
2424 | thevmin=aX1; | |
2425 | } | |
2426 | if (thevmax>aX2) { | |
2427 | thevmax=aX2; | |
2428 | } | |
2429 | } | |
2430 | } | |
2431 | } | |
2432 | // | |
2433 | if(isuperiodic || isvperiodic) { | |
2434 | Standard_Boolean correct = Standard_False; | |
2435 | Standard_Boolean correctU = Standard_False; | |
2436 | Standard_Boolean correctV = Standard_False; | |
2437 | Bnd_Box2d aBox; | |
2438 | TopExp_Explorer anExp; | |
2439 | ||
2440 | for(anExp.Init(theFace, TopAbs_EDGE); anExp.More(); anExp.Next()) { | |
2441 | if(BRep_Tool::IsClosed(TopoDS::Edge(anExp.Current()), theFace)) { | |
2442 | correct = Standard_True; | |
2443 | Standard_Real f, l; | |
2444 | TopoDS_Edge anEdge = TopoDS::Edge(anExp.Current()); | |
2445 | ||
2446 | for(Standard_Integer i = 0; i < 2; i++) { | |
2447 | if(i==0) { | |
2448 | anEdge.Orientation(TopAbs_FORWARD); | |
2449 | } | |
2450 | else { | |
2451 | anEdge.Orientation(TopAbs_REVERSED); | |
2452 | } | |
2453 | Handle(Geom2d_Curve) aCurve = BRep_Tool::CurveOnSurface(anEdge, theFace, f, l); | |
2454 | ||
2455 | if(aCurve.IsNull()) { | |
2456 | correct = Standard_False; | |
2457 | break; | |
2458 | } | |
2459 | Handle(Geom2d_Line) aLine = Handle(Geom2d_Line)::DownCast(aCurve); | |
2460 | ||
2461 | if(aLine.IsNull()) { | |
2462 | correct = Standard_False; | |
2463 | break; | |
2464 | } | |
2465 | gp_Dir2d anUDir(1., 0.); | |
2466 | gp_Dir2d aVDir(0., 1.); | |
2467 | Standard_Real anAngularTolerance = Precision::Angular(); | |
2468 | ||
2469 | correctU = correctU || aLine->Position().Direction().IsParallel(aVDir, anAngularTolerance); | |
2470 | correctV = correctV || aLine->Position().Direction().IsParallel(anUDir, anAngularTolerance); | |
2471 | ||
2472 | gp_Pnt2d pp1 = aCurve->Value(f); | |
2473 | aBox.Add(pp1); | |
2474 | gp_Pnt2d pp2 = aCurve->Value(l); | |
2475 | aBox.Add(pp2); | |
2476 | } | |
2477 | if(!correct) | |
2478 | break; | |
2479 | } | |
2480 | } | |
2481 | ||
2482 | if(correct) { | |
2483 | Standard_Real umin, vmin, umax, vmax; | |
2484 | aBox.Get(umin, vmin, umax, vmax); | |
2485 | ||
2486 | if(isuperiodic && correctU) { | |
2487 | ||
2488 | if(theumin < umin) | |
2489 | theumin = umin; | |
2490 | ||
2491 | if(theumax > umax) { | |
2492 | theumax = umax; | |
2493 | } | |
2494 | } | |
2495 | if(isvperiodic && correctV) { | |
2496 | ||
2497 | if(thevmin < vmin) | |
2498 | thevmin = vmin; | |
2499 | if(thevmax > vmax) | |
2500 | thevmax = vmax; | |
2501 | } | |
2502 | } | |
2503 | } | |
2504 | } | |
2505 | // | |
2506 | // | |
2507 | // The block is dedicated to determine whether WLine [ifprm, ilprm] | |
2508 | // crosses the degenerated zone on each given surface or not. | |
2509 | // If Yes -> We will not use info about surfaces during approximation | |
2510 | // because inside degenerated zone of the surface the approx. alogo. | |
2511 | // uses wrong values of normal, etc., and resulting curve will have | |
2512 | // oscillations that we would not like to have. | |
2513 | // PKV Tue Feb 12 2002 | |
2514 | ||
2515 | ||
2516 | static | |
2517 | Standard_Boolean IsDegeneratedZone(const gp_Pnt2d& aP2d, | |
2518 | const Handle(Geom_Surface)& aS, | |
2519 | const Standard_Integer iDir); | |
2520 | static | |
2521 | Standard_Boolean IsPointInDegeneratedZone(const IntSurf_PntOn2S& aP2S, | |
2522 | const TopoDS_Face& aF1, | |
2523 | const TopoDS_Face& aF2); | |
2524 | //======================================================================= | |
2525 | //function : NotUseSurfacesForApprox | |
2526 | //purpose : | |
2527 | //======================================================================= | |
2528 | Standard_Boolean NotUseSurfacesForApprox(const TopoDS_Face& aF1, | |
2529 | const TopoDS_Face& aF2, | |
2530 | const Handle(IntPatch_WLine)& WL, | |
2531 | const Standard_Integer ifprm, | |
2532 | const Standard_Integer ilprm) | |
2533 | { | |
2534 | Standard_Boolean bPInDZ; | |
2535 | ||
2536 | Handle(IntSurf_LineOn2S) aLineOn2S=WL->Curve(); | |
2537 | ||
2538 | const IntSurf_PntOn2S& aP2Sfprm=aLineOn2S->Value(ifprm); | |
2539 | bPInDZ=IsPointInDegeneratedZone(aP2Sfprm, aF1, aF2); | |
2540 | if (bPInDZ) { | |
2541 | return bPInDZ; | |
2542 | } | |
2543 | ||
2544 | const IntSurf_PntOn2S& aP2Slprm=aLineOn2S->Value(ilprm); | |
2545 | bPInDZ=IsPointInDegeneratedZone(aP2Slprm, aF1, aF2); | |
2546 | ||
2547 | return bPInDZ; | |
2548 | } | |
2549 | //======================================================================= | |
2550 | //function : IsPointInDegeneratedZone | |
2551 | //purpose : | |
2552 | //======================================================================= | |
2553 | Standard_Boolean IsPointInDegeneratedZone(const IntSurf_PntOn2S& aP2S, | |
2554 | const TopoDS_Face& aF1, | |
2555 | const TopoDS_Face& aF2) | |
2556 | ||
2557 | { | |
2558 | Standard_Boolean bFlag=Standard_True; | |
2559 | Standard_Real US11, US12, VS11, VS12, US21, US22, VS21, VS22; | |
2560 | Standard_Real U1, V1, U2, V2, aDelta, aD; | |
2561 | gp_Pnt2d aP2d; | |
2562 | ||
2563 | Handle(Geom_Surface)aS1 = BRep_Tool::Surface(aF1); | |
2564 | aS1->Bounds(US11, US12, VS11, VS12); | |
2565 | GeomAdaptor_Surface aGAS1(aS1); | |
2566 | ||
2567 | Handle(Geom_Surface)aS2 = BRep_Tool::Surface(aF2); | |
2568 | aS1->Bounds(US21, US22, VS21, VS22); | |
2569 | GeomAdaptor_Surface aGAS2(aS2); | |
2570 | // | |
2571 | //const gp_Pnt& aP=aP2S.Value(); | |
2572 | aP2S.Parameters(U1, V1, U2, V2); | |
2573 | // | |
2574 | aDelta=1.e-7; | |
2575 | // Check on Surf 1 | |
2576 | aD=aGAS1.UResolution(aDelta); | |
2577 | aP2d.SetCoord(U1, V1); | |
2578 | if (fabs(U1-US11) < aD) { | |
2579 | bFlag=IsDegeneratedZone(aP2d, aS1, 1); | |
2580 | if (bFlag) { | |
2581 | return bFlag; | |
2582 | } | |
2583 | } | |
2584 | if (fabs(U1-US12) < aD) { | |
2585 | bFlag=IsDegeneratedZone(aP2d, aS1, 1); | |
2586 | if (bFlag) { | |
2587 | return bFlag; | |
2588 | } | |
2589 | } | |
2590 | aD=aGAS1.VResolution(aDelta); | |
2591 | if (fabs(V1-VS11) < aDelta) { | |
2592 | bFlag=IsDegeneratedZone(aP2d, aS1, 2); | |
2593 | if (bFlag) { | |
2594 | return bFlag; | |
2595 | } | |
2596 | } | |
2597 | if (fabs(V1-VS12) < aDelta) { | |
2598 | bFlag=IsDegeneratedZone(aP2d, aS1, 2); | |
2599 | if (bFlag) { | |
2600 | return bFlag; | |
2601 | } | |
2602 | } | |
2603 | // Check on Surf 2 | |
2604 | aD=aGAS2.UResolution(aDelta); | |
2605 | aP2d.SetCoord(U2, V2); | |
2606 | if (fabs(U2-US21) < aDelta) { | |
2607 | bFlag=IsDegeneratedZone(aP2d, aS2, 1); | |
2608 | if (bFlag) { | |
2609 | return bFlag; | |
2610 | } | |
2611 | } | |
2612 | if (fabs(U2-US22) < aDelta) { | |
2613 | bFlag=IsDegeneratedZone(aP2d, aS2, 1); | |
2614 | if (bFlag) { | |
2615 | return bFlag; | |
2616 | } | |
2617 | } | |
2618 | aD=aGAS2.VResolution(aDelta); | |
2619 | if (fabs(V2-VS21) < aDelta) { | |
2620 | bFlag=IsDegeneratedZone(aP2d, aS2, 2); | |
2621 | if (bFlag) { | |
2622 | return bFlag; | |
2623 | } | |
2624 | } | |
2625 | if (fabs(V2-VS22) < aDelta) { | |
2626 | bFlag=IsDegeneratedZone(aP2d, aS2, 2); | |
2627 | if (bFlag) { | |
2628 | return bFlag; | |
2629 | } | |
2630 | } | |
2631 | return !bFlag; | |
2632 | } | |
2633 | ||
2634 | //======================================================================= | |
2635 | //function : IsDegeneratedZone | |
2636 | //purpose : | |
2637 | //======================================================================= | |
2638 | Standard_Boolean IsDegeneratedZone(const gp_Pnt2d& aP2d, | |
2639 | const Handle(Geom_Surface)& aS, | |
2640 | const Standard_Integer iDir) | |
2641 | { | |
2642 | Standard_Boolean bFlag=Standard_True; | |
2643 | Standard_Real US1, US2, VS1, VS2, dY, dX, d1, d2, dD; | |
2644 | Standard_Real aXm, aYm, aXb, aYb, aXe, aYe; | |
2645 | aS->Bounds(US1, US2, VS1, VS2); | |
2646 | ||
2647 | gp_Pnt aPm, aPb, aPe; | |
2648 | ||
2649 | aXm=aP2d.X(); | |
2650 | aYm=aP2d.Y(); | |
2651 | ||
2652 | aS->D0(aXm, aYm, aPm); | |
2653 | ||
2654 | dX=1.e-5; | |
2655 | dY=1.e-5; | |
2656 | dD=1.e-12; | |
2657 | ||
2658 | if (iDir==1) { | |
2659 | aXb=aXm; | |
2660 | aXe=aXm; | |
2661 | aYb=aYm-dY; | |
2662 | if (aYb < VS1) { | |
2663 | aYb=VS1; | |
2664 | } | |
2665 | aYe=aYm+dY; | |
2666 | if (aYe > VS2) { | |
2667 | aYe=VS2; | |
2668 | } | |
2669 | aS->D0(aXb, aYb, aPb); | |
2670 | aS->D0(aXe, aYe, aPe); | |
2671 | ||
2672 | d1=aPm.Distance(aPb); | |
2673 | d2=aPm.Distance(aPe); | |
2674 | if (d1 < dD && d2 < dD) { | |
2675 | return bFlag; | |
2676 | } | |
2677 | return !bFlag; | |
2678 | } | |
2679 | // | |
2680 | else if (iDir==2) { | |
2681 | aYb=aYm; | |
2682 | aYe=aYm; | |
2683 | aXb=aXm-dX; | |
2684 | if (aXb < US1) { | |
2685 | aXb=US1; | |
2686 | } | |
2687 | aXe=aXm+dX; | |
2688 | if (aXe > US2) { | |
2689 | aXe=US2; | |
2690 | } | |
2691 | aS->D0(aXb, aYb, aPb); | |
2692 | aS->D0(aXe, aYe, aPe); | |
2693 | ||
2694 | d1=aPm.Distance(aPb); | |
2695 | d2=aPm.Distance(aPe); | |
2696 | if (d1 < dD && d2 < dD) { | |
2697 | return bFlag; | |
2698 | } | |
2699 | return !bFlag; | |
2700 | } | |
2701 | return !bFlag; | |
2702 | } | |
2703 | ||
2704 | //========================================================================= | |
2705 | // static function : ComputePurgedWLine | |
2706 | // purpose : Removes equal points (leave one of equal points) from theWLine | |
2707 | // and recompute vertex parameters. | |
2708 | // Returns new WLine or null WLine if the number | |
2709 | // of the points is less than 2. | |
2710 | //========================================================================= | |
2711 | Handle(IntPatch_WLine) ComputePurgedWLine(const Handle(IntPatch_WLine)& theWLine) { | |
2712 | Handle(IntPatch_WLine) aResult; | |
2713 | Handle(IntPatch_WLine) aLocalWLine; | |
2714 | Handle(IntPatch_WLine) aTmpWLine = theWLine; | |
2715 | ||
2716 | Handle(IntSurf_LineOn2S) aLineOn2S = new IntSurf_LineOn2S(); | |
2717 | aLocalWLine = new IntPatch_WLine(aLineOn2S, Standard_False); | |
2718 | Standard_Integer i, k, v, nb, nbvtx; | |
2719 | nbvtx = theWLine->NbVertex(); | |
2720 | nb = theWLine->NbPnts(); | |
2721 | ||
2722 | for(i = 1; i <= nb; i++) { | |
2723 | aLineOn2S->Add(theWLine->Point(i)); | |
2724 | } | |
2725 | ||
2726 | for(v = 1; v <= nbvtx; v++) { | |
2727 | aLocalWLine->AddVertex(theWLine->Vertex(v)); | |
2728 | } | |
2729 | ||
2730 | for(i = 1; i <= aLineOn2S->NbPoints(); i++) { | |
2731 | Standard_Integer aStartIndex = i + 1; | |
2732 | Standard_Integer anEndIndex = i + 5; | |
2733 | nb = aLineOn2S->NbPoints(); | |
2734 | anEndIndex = (anEndIndex > nb) ? nb : anEndIndex; | |
2735 | ||
a2eede02 P |
2736 | //modified by NIZNHY-PKV Fri Nov 25 13:02:40 2011f |
2737 | if((aStartIndex > nb) || (anEndIndex <= 1)) { | |
2738 | //if((aStartIndex >= nb) || (anEndIndex <= 1)) { | |
2739 | //modified by NIZNHY-PKV Fri Nov 25 13:02:47 2011t | |
7fd59977 | 2740 | continue; |
2741 | } | |
2742 | k = aStartIndex; | |
2743 | ||
2744 | while(k <= anEndIndex) { | |
2745 | ||
2746 | if(i != k) { | |
2747 | IntSurf_PntOn2S p1 = aLineOn2S->Value(i); | |
2748 | IntSurf_PntOn2S p2 = aLineOn2S->Value(k); | |
2749 | ||
2750 | if(p1.Value().IsEqual(p2.Value(), gp::Resolution())) { | |
2751 | aTmpWLine = aLocalWLine; | |
2752 | aLocalWLine = new IntPatch_WLine(aLineOn2S, Standard_False); | |
2753 | ||
2754 | for(v = 1; v <= aTmpWLine->NbVertex(); v++) { | |
2755 | IntPatch_Point aVertex = aTmpWLine->Vertex(v); | |
2756 | Standard_Integer avertexindex = (Standard_Integer)aVertex.ParameterOnLine(); | |
2757 | ||
2758 | if(avertexindex >= k) { | |
2759 | aVertex.SetParameter(aVertex.ParameterOnLine() - 1.); | |
2760 | } | |
2761 | aLocalWLine->AddVertex(aVertex); | |
2762 | } | |
2763 | aLineOn2S->RemovePoint(k); | |
2764 | anEndIndex--; | |
2765 | continue; | |
2766 | } | |
2767 | } | |
2768 | k++; | |
2769 | } | |
2770 | } | |
2771 | ||
2772 | if(aLineOn2S->NbPoints() > 1) { | |
2773 | aResult = aLocalWLine; | |
2774 | } | |
2775 | return aResult; | |
2776 | } | |
2777 | ||
2778 | //======================================================================= | |
2779 | //function : TolR3d | |
2780 | //purpose : | |
2781 | //======================================================================= | |
2782 | void TolR3d(const TopoDS_Face& aF1, | |
2783 | const TopoDS_Face& aF2, | |
2784 | Standard_Real& myTolReached3d) | |
2785 | { | |
2786 | Standard_Real aTolF1, aTolF2, aTolFMax, aTolTresh; | |
2787 | ||
2788 | aTolTresh=2.999999e-3; | |
2789 | aTolF1 = BRep_Tool::Tolerance(aF1); | |
2790 | aTolF2 = BRep_Tool::Tolerance(aF2); | |
2791 | aTolFMax=Max(aTolF1, aTolF2); | |
2792 | ||
2793 | if (aTolFMax>aTolTresh) { | |
2794 | myTolReached3d=aTolFMax; | |
2795 | } | |
2796 | } | |
2797 | //======================================================================= | |
2798 | //function : AdjustPeriodic | |
2799 | //purpose : | |
2800 | //======================================================================= | |
2801 | Standard_Real AdjustPeriodic(const Standard_Real theParameter, | |
2802 | const Standard_Real parmin, | |
2803 | const Standard_Real parmax, | |
2804 | const Standard_Real thePeriod, | |
2805 | Standard_Real& theOffset) | |
2806 | { | |
2807 | Standard_Real aresult; | |
2808 | // | |
2809 | theOffset = 0.; | |
2810 | aresult = theParameter; | |
2811 | while(aresult < parmin) { | |
2812 | aresult += thePeriod; | |
2813 | theOffset += thePeriod; | |
2814 | } | |
2815 | ||
2816 | while(aresult > parmax) { | |
2817 | aresult -= thePeriod; | |
2818 | theOffset -= thePeriod; | |
2819 | } | |
2820 | return aresult; | |
2821 | } | |
2822 | //======================================================================= | |
2823 | //function : IsPointOnBoundary | |
2824 | //purpose : | |
2825 | //======================================================================= | |
2826 | Standard_Boolean IsPointOnBoundary(const Standard_Real theParameter, | |
2827 | const Standard_Real theFirstBoundary, | |
2828 | const Standard_Real theSecondBoundary, | |
2829 | const Standard_Real theResolution, | |
2830 | Standard_Boolean& IsOnFirstBoundary) | |
2831 | { | |
2832 | Standard_Boolean bRet; | |
2833 | Standard_Integer i; | |
2834 | Standard_Real adist; | |
2835 | // | |
2836 | bRet=Standard_False; | |
2837 | for(i = 0; i < 2; ++i) { | |
2838 | IsOnFirstBoundary = (i == 0); | |
2839 | if (IsOnFirstBoundary) { | |
2840 | adist = fabs(theParameter - theFirstBoundary); | |
2841 | } | |
2842 | else { | |
2843 | adist = fabs(theParameter - theSecondBoundary); | |
2844 | } | |
2845 | if(adist < theResolution) { | |
2846 | return !bRet; | |
2847 | } | |
2848 | } | |
2849 | return bRet; | |
2850 | } | |
2851 | // ------------------------------------------------------------------------------------------------ | |
2852 | // static function: FindPoint | |
2853 | // purpose: | |
2854 | // ------------------------------------------------------------------------------------------------ | |
2855 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, | |
2856 | const gp_Pnt2d& theLastPoint, | |
2857 | const Standard_Real theUmin, | |
2858 | const Standard_Real theUmax, | |
2859 | const Standard_Real theVmin, | |
2860 | const Standard_Real theVmax, | |
2861 | gp_Pnt2d& theNewPoint) { | |
2862 | ||
2863 | gp_Vec2d aVec(theFirstPoint, theLastPoint); | |
2864 | Standard_Integer i = 0, j = 0; | |
2865 | ||
2866 | for(i = 0; i < 4; i++) { | |
2867 | gp_Vec2d anOtherVec; | |
2868 | gp_Vec2d anOtherVecNormal; | |
2869 | gp_Pnt2d aprojpoint = theLastPoint; | |
2870 | ||
2871 | if((i % 2) == 0) { | |
2872 | anOtherVec.SetX(0.); | |
2873 | anOtherVec.SetY(1.); | |
2874 | anOtherVecNormal.SetX(1.); | |
2875 | anOtherVecNormal.SetY(0.); | |
2876 | ||
2877 | if(i < 2) | |
2878 | aprojpoint.SetX(theUmin); | |
2879 | else | |
2880 | aprojpoint.SetX(theUmax); | |
2881 | } | |
2882 | else { | |
2883 | anOtherVec.SetX(1.); | |
2884 | anOtherVec.SetY(0.); | |
2885 | anOtherVecNormal.SetX(0.); | |
2886 | anOtherVecNormal.SetY(1.); | |
2887 | ||
2888 | if(i < 2) | |
2889 | aprojpoint.SetY(theVmin); | |
2890 | else | |
2891 | aprojpoint.SetY(theVmax); | |
2892 | } | |
2893 | gp_Vec2d anormvec = aVec; | |
2894 | anormvec.Normalize(); | |
2895 | Standard_Real adot1 = anormvec.Dot(anOtherVecNormal); | |
2896 | ||
2897 | if(fabs(adot1) < Precision::Angular()) | |
2898 | continue; | |
2899 | Standard_Real adist = 0.; | |
2900 | Standard_Boolean bIsOut = Standard_False; | |
2901 | ||
2902 | if((i % 2) == 0) { | |
2903 | adist = (i < 2) ? fabs(theLastPoint.X() - theUmin) : fabs(theLastPoint.X() - theUmax); | |
2904 | bIsOut = (i < 2) ? (theLastPoint.X() < theUmin) : (theLastPoint.X() > theUmax); | |
2905 | } | |
2906 | else { | |
2907 | adist = (i < 2) ? fabs(theLastPoint.Y() - theVmin) : fabs(theLastPoint.Y() - theVmax); | |
2908 | bIsOut = (i < 2) ? (theLastPoint.Y() < theVmin) : (theLastPoint.Y() > theVmax); | |
2909 | } | |
2910 | Standard_Real anoffset = adist * anOtherVec.Dot(anormvec) / adot1; | |
2911 | ||
2912 | for(j = 0; j < 2; j++) { | |
2913 | anoffset = (j == 0) ? anoffset : -anoffset; | |
2914 | gp_Pnt2d acurpoint(aprojpoint.XY() + (anOtherVec.XY()*anoffset)); | |
2915 | gp_Vec2d acurvec(theLastPoint, acurpoint); | |
2916 | if ( bIsOut ) | |
2917 | acurvec.Reverse(); | |
2918 | ||
9e9df9d9 P |
2919 | Standard_Real aDotX, anAngleX; |
2920 | // | |
2921 | aDotX = aVec.Dot(acurvec); | |
2922 | anAngleX = aVec.Angle(acurvec); | |
2923 | // | |
2924 | if(aDotX > 0. && fabs(anAngleX) < Precision::PConfusion()) { | |
7fd59977 | 2925 | if((i % 2) == 0) { |
2926 | if((acurpoint.Y() >= theVmin) && | |
2927 | (acurpoint.Y() <= theVmax)) { | |
2928 | theNewPoint = acurpoint; | |
2929 | return Standard_True; | |
2930 | } | |
2931 | } | |
2932 | else { | |
2933 | if((acurpoint.X() >= theUmin) && | |
2934 | (acurpoint.X() <= theUmax)) { | |
2935 | theNewPoint = acurpoint; | |
2936 | return Standard_True; | |
2937 | } | |
2938 | } | |
2939 | } | |
2940 | } | |
2941 | } | |
2942 | return Standard_False; | |
2943 | } | |
2944 | ||
2945 | ||
2946 | // ------------------------------------------------------------------------------------------------ | |
2947 | // static function: FindPoint | |
2948 | // purpose: Find point on the boundary of radial tangent zone | |
2949 | // ------------------------------------------------------------------------------------------------ | |
2950 | Standard_Boolean FindPoint(const gp_Pnt2d& theFirstPoint, | |
2951 | const gp_Pnt2d& theLastPoint, | |
2952 | const Standard_Real theUmin, | |
2953 | const Standard_Real theUmax, | |
2954 | const Standard_Real theVmin, | |
2955 | const Standard_Real theVmax, | |
2956 | const gp_Pnt2d& theTanZoneCenter, | |
2957 | const Standard_Real theZoneRadius, | |
2958 | Handle(GeomAdaptor_HSurface) theGASurface, | |
2959 | gp_Pnt2d& theNewPoint) { | |
2960 | theNewPoint = theLastPoint; | |
2961 | ||
2962 | if ( !IsInsideTanZone( theLastPoint, theTanZoneCenter, theZoneRadius, theGASurface) ) | |
2963 | return Standard_False; | |
2964 | ||
2965 | Standard_Real aUResolution = theGASurface->UResolution( theZoneRadius ); | |
2966 | Standard_Real aVResolution = theGASurface->VResolution( theZoneRadius ); | |
2967 | ||
2968 | Standard_Real aRadius = ( aUResolution < aVResolution ) ? aUResolution : aVResolution; | |
2969 | gp_Ax22d anAxis( theTanZoneCenter, gp_Dir2d(1, 0), gp_Dir2d(0, 1) ); | |
2970 | gp_Circ2d aCircle( anAxis, aRadius ); | |
2971 | ||
2972 | // | |
2973 | gp_Vec2d aDir( theLastPoint.XY() - theFirstPoint.XY() ); | |
2974 | Standard_Real aLength = aDir.Magnitude(); | |
2975 | if ( aLength <= gp::Resolution() ) | |
2976 | return Standard_False; | |
2977 | gp_Lin2d aLine( theFirstPoint, aDir ); | |
2978 | ||
2979 | // | |
2980 | Handle(Geom2d_Line) aCLine = new Geom2d_Line( aLine ); | |
2981 | Handle(Geom2d_TrimmedCurve) aC1 = new Geom2d_TrimmedCurve( aCLine, 0, aLength ); | |
2982 | Handle(Geom2d_Circle) aC2 = new Geom2d_Circle( aCircle ); | |
2983 | ||
2984 | Standard_Real aTol = aRadius * 0.001; | |
2985 | aTol = ( aTol < Precision::PConfusion() ) ? Precision::PConfusion() : aTol; | |
2986 | ||
2987 | Geom2dAPI_InterCurveCurve anIntersector; | |
2988 | anIntersector.Init( aC1, aC2, aTol ); | |
2989 | ||
2990 | if ( anIntersector.NbPoints() == 0 ) | |
2991 | return Standard_False; | |
2992 | ||
2993 | Standard_Boolean aFound = Standard_False; | |
2994 | Standard_Real aMinDist = aLength * aLength; | |
2995 | Standard_Integer i = 0; | |
2996 | for ( i = 1; i <= anIntersector.NbPoints(); i++ ) { | |
2997 | gp_Pnt2d aPInt = anIntersector.Point( i ); | |
2998 | if ( aPInt.SquareDistance( theFirstPoint ) < aMinDist ) { | |
2999 | if ( ( aPInt.X() >= theUmin ) && ( aPInt.X() <= theUmax ) && | |
3000 | ( aPInt.Y() >= theVmin ) && ( aPInt.Y() <= theVmax ) ) { | |
3001 | theNewPoint = aPInt; | |
3002 | aFound = Standard_True; | |
3003 | } | |
3004 | } | |
3005 | } | |
3006 | ||
3007 | return aFound; | |
3008 | } | |
3009 | ||
3010 | // ------------------------------------------------------------------------------------------------ | |
3011 | // static function: IsInsideTanZone | |
3012 | // purpose: Check if point is inside a radial tangent zone | |
3013 | // ------------------------------------------------------------------------------------------------ | |
3014 | Standard_Boolean IsInsideTanZone(const gp_Pnt2d& thePoint, | |
3015 | const gp_Pnt2d& theTanZoneCenter, | |
3016 | const Standard_Real theZoneRadius, | |
3017 | Handle(GeomAdaptor_HSurface) theGASurface) { | |
3018 | ||
3019 | Standard_Real aUResolution = theGASurface->UResolution( theZoneRadius ); | |
3020 | Standard_Real aVResolution = theGASurface->VResolution( theZoneRadius ); | |
3021 | Standard_Real aRadiusSQR = ( aUResolution < aVResolution ) ? aUResolution : aVResolution; | |
3022 | aRadiusSQR *= aRadiusSQR; | |
3023 | if ( thePoint.SquareDistance( theTanZoneCenter ) <= aRadiusSQR ) | |
3024 | return Standard_True; | |
3025 | return Standard_False; | |
3026 | } | |
3027 | ||
3028 | // ------------------------------------------------------------------------------------------------ | |
3029 | // static function: CheckTangentZonesExist | |
3030 | // purpose: Check if tangent zone exists | |
3031 | // ------------------------------------------------------------------------------------------------ | |
3032 | Standard_Boolean CheckTangentZonesExist( const Handle(GeomAdaptor_HSurface)& theSurface1, | |
3033 | const Handle(GeomAdaptor_HSurface)& theSurface2 ) | |
3034 | { | |
3035 | if ( ( theSurface1->GetType() != GeomAbs_Torus ) || | |
3036 | ( theSurface2->GetType() != GeomAbs_Torus ) ) | |
3037 | return Standard_False; | |
3038 | ||
3039 | IntTools_Context aContext; | |
3040 | ||
3041 | gp_Torus aTor1 = theSurface1->Torus(); | |
3042 | gp_Torus aTor2 = theSurface2->Torus(); | |
3043 | ||
3044 | if ( aTor1.Location().Distance( aTor2.Location() ) > Precision::Confusion() ) | |
3045 | return Standard_False; | |
3046 | ||
3047 | if ( ( fabs( aTor1.MajorRadius() - aTor2.MajorRadius() ) > Precision::Confusion() ) || | |
3048 | ( fabs( aTor1.MinorRadius() - aTor2.MinorRadius() ) > Precision::Confusion() ) ) | |
3049 | return Standard_False; | |
3050 | ||
3051 | if ( ( aTor1.MajorRadius() < aTor1.MinorRadius() ) || | |
3052 | ( aTor2.MajorRadius() < aTor2.MinorRadius() ) ) | |
3053 | return Standard_False; | |
3054 | return Standard_True; | |
3055 | } | |
3056 | ||
3057 | // ------------------------------------------------------------------------------------------------ | |
3058 | // static function: ComputeTangentZones | |
3059 | // purpose: | |
3060 | // ------------------------------------------------------------------------------------------------ | |
3061 | Standard_Integer ComputeTangentZones( const Handle(GeomAdaptor_HSurface)& theSurface1, | |
3062 | const Handle(GeomAdaptor_HSurface)& theSurface2, | |
3063 | const TopoDS_Face& theFace1, | |
3064 | const TopoDS_Face& theFace2, | |
3065 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS1, | |
3066 | Handle(TColgp_HArray1OfPnt2d)& theResultOnS2, | |
3067 | Handle(TColStd_HArray1OfReal)& theResultRadius) { | |
3068 | Standard_Integer aResult = 0; | |
3069 | if ( !CheckTangentZonesExist( theSurface1, theSurface2 ) ) | |
3070 | return aResult; | |
3071 | ||
3072 | IntTools_Context aContext; | |
3073 | ||
3074 | TColgp_SequenceOfPnt2d aSeqResultS1, aSeqResultS2; | |
3075 | TColStd_SequenceOfReal aSeqResultRad; | |
3076 | ||
3077 | gp_Torus aTor1 = theSurface1->Torus(); | |
3078 | gp_Torus aTor2 = theSurface2->Torus(); | |
3079 | ||
3080 | gp_Ax2 anax1( aTor1.Location(), aTor1.Axis().Direction() ); | |
3081 | gp_Ax2 anax2( aTor2.Location(), aTor2.Axis().Direction() ); | |
3082 | Standard_Integer j = 0; | |
3083 | ||
3084 | for ( j = 0; j < 2; j++ ) { | |
3085 | Standard_Real aCoef = ( j == 0 ) ? -1 : 1; | |
3086 | Standard_Real aRadius1 = fabs(aTor1.MajorRadius() + aCoef * aTor1.MinorRadius()); | |
3087 | Standard_Real aRadius2 = fabs(aTor2.MajorRadius() + aCoef * aTor2.MinorRadius()); | |
3088 | ||
3089 | gp_Circ aCircle1( anax1, aRadius1 ); | |
3090 | gp_Circ aCircle2( anax2, aRadius2 ); | |
3091 | ||
3092 | // roughly compute radius of tangent zone for perpendicular case | |
3093 | Standard_Real aCriteria = Precision::Confusion() * 0.5; | |
3094 | ||
3095 | Standard_Real aT1 = aCriteria; | |
3096 | Standard_Real aT2 = aCriteria; | |
3097 | if ( j == 0 ) { | |
3098 | // internal tangency | |
3099 | Standard_Real aR = ( aRadius1 > aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius(); | |
3100 | //aT1 = aCriteria * aCriteria + aR * aR - ( aR - aCriteria ) * ( aR - aCriteria ); | |
3101 | aT1 = 2. * aR * aCriteria; | |
3102 | aT2 = aT1; | |
3103 | } | |
3104 | else { | |
3105 | // external tangency | |
3106 | Standard_Real aRb = ( aRadius1 > aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius(); | |
3107 | Standard_Real aRm = ( aRadius1 < aTor2.MinorRadius() ) ? aRadius1 : aTor2.MinorRadius(); | |
3108 | Standard_Real aDelta = aRb - aCriteria; | |
3109 | aDelta *= aDelta; | |
3110 | aDelta -= aRm * aRm; | |
3111 | aDelta /= 2. * (aRb - aRm); | |
3112 | aDelta -= 0.5 * (aRb - aRm); | |
3113 | ||
3114 | aT1 = 2. * aRm * (aRm - aDelta); | |
3115 | aT2 = aT1; | |
3116 | } | |
3117 | aCriteria = ( aT1 > aT2) ? aT1 : aT2; | |
3118 | if ( aCriteria > 0 ) | |
3119 | aCriteria = sqrt( aCriteria ); | |
3120 | ||
3121 | if ( aCriteria > 0.5 * aTor1.MinorRadius() ) { | |
3122 | // too big zone -> drop to minimum | |
3123 | aCriteria = Precision::Confusion(); | |
3124 | } | |
3125 | ||
3126 | GeomAdaptor_Curve aC1( new Geom_Circle(aCircle1) ); | |
3127 | GeomAdaptor_Curve aC2( new Geom_Circle(aCircle2) ); | |
3128 | Extrema_ExtCC anExtrema(aC1, aC2, 0, 2.*Standard_PI, 0, 2.*Standard_PI, | |
3129 | Precision::PConfusion(), Precision::PConfusion()); | |
3130 | ||
3131 | if ( anExtrema.IsDone() ) { | |
3132 | ||
3133 | Standard_Integer i = 0; | |
3134 | for ( i = 1; i <= anExtrema.NbExt(); i++ ) { | |
3135 | if ( anExtrema.SquareDistance(i) > aCriteria * aCriteria ) | |
3136 | continue; | |
3137 | ||
3138 | Extrema_POnCurv P1, P2; | |
3139 | anExtrema.Points( i, P1, P2 ); | |
3140 | ||
3141 | Standard_Boolean bFoundResult = Standard_True; | |
3142 | gp_Pnt2d pr1, pr2; | |
3143 | ||
3144 | Standard_Integer surfit = 0; | |
3145 | for ( surfit = 0; surfit < 2; surfit++ ) { | |
3146 | GeomAPI_ProjectPointOnSurf& aProjector = (surfit == 0) ? aContext.ProjPS(theFace1) : aContext.ProjPS(theFace2); | |
3147 | ||
3148 | gp_Pnt aP3d = (surfit == 0) ? P1.Value() : P2.Value(); | |
3149 | aProjector.Perform(aP3d); | |
3150 | ||
3151 | if(!aProjector.IsDone()) | |
3152 | bFoundResult = Standard_False; | |
3153 | else { | |
3154 | if(aProjector.LowerDistance() > aCriteria) { | |
3155 | bFoundResult = Standard_False; | |
3156 | } | |
3157 | else { | |
3158 | Standard_Real foundU = 0, foundV = 0; | |
3159 | aProjector.LowerDistanceParameters(foundU, foundV); | |
3160 | if ( surfit == 0 ) | |
3161 | pr1 = gp_Pnt2d( foundU, foundV ); | |
3162 | else | |
3163 | pr2 = gp_Pnt2d( foundU, foundV ); | |
3164 | } | |
3165 | } | |
3166 | } | |
3167 | if ( bFoundResult ) { | |
3168 | aSeqResultS1.Append( pr1 ); | |
3169 | aSeqResultS2.Append( pr2 ); | |
3170 | aSeqResultRad.Append( aCriteria ); | |
3171 | ||
3172 | // torus is u and v periodic | |
3173 | const Standard_Real twoPI = Standard_PI + Standard_PI; | |
3174 | Standard_Real arr1tmp[2] = {pr1.X(), pr1.Y()}; | |
3175 | Standard_Real arr2tmp[2] = {pr2.X(), pr2.Y()}; | |
3176 | ||
3177 | // iteration on period bounds | |
3178 | for ( Standard_Integer k1 = 0; k1 < 2; k1++ ) { | |
3179 | Standard_Real aBound = ( k1 == 0 ) ? 0 : twoPI; | |
3180 | Standard_Real aShift = ( k1 == 0 ) ? twoPI : -twoPI; | |
3181 | ||
3182 | // iteration on surfaces | |
3183 | for ( Standard_Integer k2 = 0; k2 < 2; k2++ ) { | |
3184 | Standard_Real* arr1 = ( k2 == 0 ) ? arr1tmp : arr2tmp; | |
3185 | Standard_Real* arr2 = ( k2 != 0 ) ? arr1tmp : arr2tmp; | |
3186 | TColgp_SequenceOfPnt2d& aSeqS1 = ( k2 == 0 ) ? aSeqResultS1 : aSeqResultS2; | |
3187 | TColgp_SequenceOfPnt2d& aSeqS2 = ( k2 != 0 ) ? aSeqResultS1 : aSeqResultS2; | |
3188 | ||
3189 | if (fabs(arr1[0] - aBound) < Precision::PConfusion()) { | |
3190 | aSeqS1.Append( gp_Pnt2d( arr1[0] + aShift, arr1[1] ) ); | |
3191 | aSeqS2.Append( gp_Pnt2d( arr2[0], arr2[1] ) ); | |
3192 | aSeqResultRad.Append( aCriteria ); | |
3193 | } | |
3194 | if (fabs(arr1[1] - aBound) < Precision::PConfusion()) { | |
3195 | aSeqS1.Append( gp_Pnt2d( arr1[0], arr1[1] + aShift) ); | |
3196 | aSeqS2.Append( gp_Pnt2d( arr2[0], arr2[1] ) ); | |
3197 | aSeqResultRad.Append( aCriteria ); | |
3198 | } | |
3199 | } | |
3200 | } // | |
3201 | } | |
3202 | } | |
3203 | } | |
3204 | } | |
3205 | aResult = aSeqResultRad.Length(); | |
3206 | ||
3207 | if ( aResult > 0 ) { | |
3208 | theResultOnS1 = new TColgp_HArray1OfPnt2d( 1, aResult ); | |
3209 | theResultOnS2 = new TColgp_HArray1OfPnt2d( 1, aResult ); | |
3210 | theResultRadius = new TColStd_HArray1OfReal( 1, aResult ); | |
3211 | ||
3212 | for ( Standard_Integer i = 1 ; i <= aResult; i++ ) { | |
3213 | theResultOnS1->SetValue( i, aSeqResultS1.Value(i) ); | |
3214 | theResultOnS2->SetValue( i, aSeqResultS2.Value(i) ); | |
3215 | theResultRadius->SetValue( i, aSeqResultRad.Value(i) ); | |
3216 | } | |
3217 | } | |
3218 | return aResult; | |
3219 | } | |
3220 | ||
3221 | // ------------------------------------------------------------------------------------------------ | |
3222 | // static function: AdjustByNeighbour | |
3223 | // purpose: | |
3224 | // ------------------------------------------------------------------------------------------------ | |
3225 | gp_Pnt2d AdjustByNeighbour(const gp_Pnt2d& theaNeighbourPoint, | |
3226 | const gp_Pnt2d& theOriginalPoint, | |
3227 | Handle(GeomAdaptor_HSurface) theGASurface) { | |
3228 | ||
3229 | gp_Pnt2d ap1 = theaNeighbourPoint; | |
3230 | gp_Pnt2d ap2 = theOriginalPoint; | |
3231 | ||
3232 | if ( theGASurface->IsUPeriodic() ) { | |
3233 | Standard_Real aPeriod = theGASurface->UPeriod(); | |
3234 | gp_Pnt2d aPTest = ap2; | |
3235 | Standard_Real aSqDistMin = 1.e+100; | |
3236 | ||
3237 | for ( Standard_Integer pIt = -1; pIt <= 1; pIt++) { | |
3238 | aPTest.SetX( theOriginalPoint.X() + aPeriod * pIt ); | |
3239 | Standard_Real dd = ap1.SquareDistance( aPTest ); | |
3240 | ||
3241 | if ( dd < aSqDistMin ) { | |
3242 | ap2 = aPTest; | |
3243 | aSqDistMin = dd; | |
3244 | } | |
3245 | } | |
3246 | } | |
3247 | if ( theGASurface->IsVPeriodic() ) { | |
3248 | Standard_Real aPeriod = theGASurface->VPeriod(); | |
3249 | gp_Pnt2d aPTest = ap2; | |
3250 | Standard_Real aSqDistMin = 1.e+100; | |
3251 | ||
3252 | for ( Standard_Integer pIt = -1; pIt <= 1; pIt++) { | |
3253 | aPTest.SetY( theOriginalPoint.Y() + aPeriod * pIt ); | |
3254 | Standard_Real dd = ap1.SquareDistance( aPTest ); | |
3255 | ||
3256 | if ( dd < aSqDistMin ) { | |
3257 | ap2 = aPTest; | |
3258 | aSqDistMin = dd; | |
3259 | } | |
3260 | } | |
3261 | } | |
3262 | return ap2; | |
3263 | } | |
3264 | ||
3265 | // ------------------------------------------------------------------------------------------------ | |
3266 | //function: DecompositionOfWLine | |
3267 | // purpose: | |
3268 | // ------------------------------------------------------------------------------------------------ | |
3269 | Standard_Boolean DecompositionOfWLine(const Handle(IntPatch_WLine)& theWLine, | |
3270 | const Handle(GeomAdaptor_HSurface)& theSurface1, | |
3271 | const Handle(GeomAdaptor_HSurface)& theSurface2, | |
3272 | const TopoDS_Face& theFace1, | |
3273 | const TopoDS_Face& theFace2, | |
3274 | const IntTools_LineConstructor& theLConstructor, | |
3275 | const Standard_Boolean theAvoidLConstructor, | |
3276 | IntPatch_SequenceOfLine& theNewLines, | |
3277 | Standard_Real& theReachedTol3d) { | |
3278 | ||
3279 | Standard_Boolean bRet, bAvoidLineConstructor; | |
3280 | Standard_Integer aNbPnts, aNbParts; | |
3281 | // | |
3282 | bRet=Standard_False; | |
3283 | aNbPnts=theWLine->NbPnts(); | |
3284 | bAvoidLineConstructor=theAvoidLConstructor; | |
3285 | // | |
3286 | if(!aNbPnts){ | |
3287 | return bRet; | |
3288 | } | |
3289 | if (!bAvoidLineConstructor) { | |
3290 | aNbParts=theLConstructor.NbParts(); | |
3291 | if (!aNbParts) { | |
3292 | return bRet; | |
3293 | } | |
3294 | } | |
3295 | // | |
3296 | Standard_Boolean bIsPrevPointOnBoundary, bIsPointOnBoundary, bIsCurrentPointOnBoundary; | |
3297 | Standard_Integer nblines, pit, i, j; | |
3298 | Standard_Real aTol; | |
3299 | TColStd_Array1OfListOfInteger anArrayOfLines(1, aNbPnts); | |
3300 | TColStd_Array1OfInteger anArrayOfLineType(1, aNbPnts); | |
3301 | TColStd_ListOfInteger aListOfPointIndex; | |
3302 | IntTools_Context aContext; | |
3303 | ||
3304 | Handle(TColgp_HArray1OfPnt2d) aTanZoneS1; | |
3305 | Handle(TColgp_HArray1OfPnt2d) aTanZoneS2; | |
3306 | Handle(TColStd_HArray1OfReal) aTanZoneRadius; | |
3307 | Standard_Integer aNbZone = ComputeTangentZones( theSurface1, theSurface2, theFace1, theFace2, | |
3308 | aTanZoneS1, aTanZoneS2, aTanZoneRadius ); | |
3309 | ||
3310 | // | |
3311 | nblines=0; | |
3312 | aTol=Precision::Confusion(); | |
3313 | aTol=0.5*aTol; | |
3314 | bIsPrevPointOnBoundary=Standard_False; | |
3315 | bIsPointOnBoundary=Standard_False; | |
3316 | // | |
3317 | // 1. ... | |
3318 | // | |
3319 | // Points | |
3320 | for(pit = 1; pit <= aNbPnts; ++pit) { | |
3321 | Standard_Boolean bIsOnFirstBoundary, isperiodic; | |
3322 | Standard_Real aResolution, aPeriod, alowerboundary, aupperboundary, U, V; | |
3323 | Standard_Real aParameter, anoffset, anAdjustPar; | |
3324 | Standard_Real umin, umax, vmin, vmax; | |
3325 | // | |
3326 | bIsCurrentPointOnBoundary = Standard_False; | |
3327 | const IntSurf_PntOn2S& aPoint = theWLine->Point(pit); | |
3328 | // | |
3329 | // Surface | |
3330 | for(i = 0; i < 2; ++i) { | |
3331 | Handle(GeomAdaptor_HSurface) aGASurface = (!i) ? theSurface1 : theSurface2; | |
3332 | aGASurface->ChangeSurface().Surface()->Bounds(umin, umax, vmin, vmax); | |
3333 | if(!i) { | |
3334 | aPoint.ParametersOnS1(U, V); | |
3335 | } | |
3336 | else { | |
3337 | aPoint.ParametersOnS2(U, V); | |
3338 | } | |
3339 | // U, V | |
3340 | for(j = 0; j < 2; j++) { | |
3341 | isperiodic = (!j) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic(); | |
3342 | if(!isperiodic){ | |
3343 | continue; | |
3344 | } | |
3345 | // | |
3346 | if (!j) { | |
3347 | aResolution=aGASurface->UResolution(aTol); | |
3348 | aPeriod=aGASurface->UPeriod(); | |
3349 | alowerboundary=umin; | |
3350 | aupperboundary=umax; | |
3351 | aParameter=U; | |
3352 | } | |
3353 | else { | |
3354 | aResolution=aGASurface->VResolution(aTol); | |
3355 | aPeriod=aGASurface->VPeriod(); | |
3356 | alowerboundary=vmin; | |
3357 | aupperboundary=vmax; | |
3358 | aParameter=V; | |
3359 | } | |
3360 | ||
3361 | anoffset = 0.; | |
3362 | anAdjustPar = AdjustPeriodic(aParameter, | |
3363 | alowerboundary, | |
3364 | aupperboundary, | |
3365 | aPeriod, | |
3366 | anoffset); | |
3367 | // | |
3368 | bIsOnFirstBoundary = Standard_True;// ? | |
3369 | bIsPointOnBoundary= | |
3370 | IsPointOnBoundary(anAdjustPar, | |
3371 | alowerboundary, | |
3372 | aupperboundary, | |
3373 | aResolution, | |
3374 | bIsOnFirstBoundary); | |
3375 | // | |
3376 | if(bIsPointOnBoundary) { | |
3377 | bIsCurrentPointOnBoundary = Standard_True; | |
3378 | break; | |
3379 | } | |
3380 | else { | |
3381 | // check if a point belong to a tangent zone. Begin | |
3382 | Standard_Integer zIt = 0; | |
3383 | for ( zIt = 1; zIt <= aNbZone; zIt++ ) { | |
3384 | gp_Pnt2d aPZone = (i == 0) ? aTanZoneS1->Value(zIt) : aTanZoneS2->Value(zIt); | |
3385 | Standard_Real aZoneRadius = aTanZoneRadius->Value(zIt); | |
3386 | ||
3387 | if ( IsInsideTanZone(gp_Pnt2d( U, V ), aPZone, aZoneRadius, aGASurface ) ) { | |
3388 | // set boundary flag to split the curve by a tangent zone | |
3389 | bIsPointOnBoundary = Standard_True; | |
3390 | bIsCurrentPointOnBoundary = Standard_True; | |
3391 | if ( theReachedTol3d < aZoneRadius ) { | |
3392 | theReachedTol3d = aZoneRadius; | |
3393 | } | |
3394 | break; | |
3395 | } | |
3396 | } | |
3397 | } | |
3398 | }//for(j = 0; j < 2; j++) { | |
3399 | ||
3400 | if(bIsCurrentPointOnBoundary){ | |
3401 | break; | |
3402 | } | |
3403 | }//for(i = 0; i < 2; ++i) { | |
3404 | // | |
3405 | if((bIsCurrentPointOnBoundary != bIsPrevPointOnBoundary)) { | |
3406 | if(!aListOfPointIndex.IsEmpty()) { | |
3407 | nblines++; | |
3408 | anArrayOfLines.SetValue(nblines, aListOfPointIndex); | |
3409 | anArrayOfLineType.SetValue(nblines, bIsPrevPointOnBoundary); | |
3410 | aListOfPointIndex.Clear(); | |
3411 | } | |
3412 | bIsPrevPointOnBoundary = bIsCurrentPointOnBoundary; | |
3413 | } | |
3414 | aListOfPointIndex.Append(pit); | |
3415 | } //for(pit = 1; pit <= aNbPnts; ++pit) { | |
3416 | // | |
3417 | if(!aListOfPointIndex.IsEmpty()) { | |
3418 | nblines++; | |
3419 | anArrayOfLines.SetValue(nblines, aListOfPointIndex); | |
3420 | anArrayOfLineType.SetValue(nblines, bIsPrevPointOnBoundary); | |
3421 | aListOfPointIndex.Clear(); | |
3422 | } | |
3423 | // | |
3424 | if(nblines<=1) { | |
3425 | return bRet; //Standard_False; | |
3426 | } | |
3427 | // | |
3428 | // | |
3429 | // 2. Correct wlines.begin | |
3430 | TColStd_Array1OfListOfInteger anArrayOfLineEnds(1, nblines); | |
3431 | Handle(IntSurf_LineOn2S) aSeqOfPntOn2S = new IntSurf_LineOn2S(); | |
3432 | // | |
3433 | for(i = 1; i <= nblines; i++) { | |
3434 | if(anArrayOfLineType.Value(i) != 0) { | |
3435 | continue; | |
3436 | } | |
3437 | const TColStd_ListOfInteger& aListOfIndex = anArrayOfLines.Value(i); | |
3438 | if(aListOfIndex.Extent() < 2) { | |
3439 | continue; | |
3440 | } | |
3441 | TColStd_ListOfInteger aListOfFLIndex; | |
3442 | ||
3443 | for(j = 0; j < 2; j++) { | |
3444 | Standard_Integer aneighbourindex = (j == 0) ? (i - 1) : (i + 1); | |
3445 | ||
3446 | if((aneighbourindex < 1) || (aneighbourindex > nblines)) | |
3447 | continue; | |
3448 | ||
3449 | if(anArrayOfLineType.Value(aneighbourindex) == 0) | |
3450 | continue; | |
3451 | const TColStd_ListOfInteger& aNeighbour = anArrayOfLines.Value(aneighbourindex); | |
3452 | Standard_Integer anIndex = (j == 0) ? aNeighbour.Last() : aNeighbour.First(); | |
3453 | const IntSurf_PntOn2S& aPoint = theWLine->Point(anIndex); | |
3454 | ||
3455 | IntSurf_PntOn2S aNewP = aPoint; | |
3456 | ||
3457 | for(Standard_Integer surfit = 0; surfit < 2; surfit++) { | |
3458 | ||
3459 | Handle(GeomAdaptor_HSurface) aGASurface = (surfit == 0) ? theSurface1 : theSurface2; | |
3460 | Standard_Real umin=0., umax=0., vmin=0., vmax=0.; | |
3461 | aGASurface->ChangeSurface().Surface()->Bounds(umin, umax, vmin, vmax); | |
3462 | Standard_Real U=0., V=0.; | |
3463 | ||
3464 | if(surfit == 0) | |
3465 | aNewP.ParametersOnS1(U, V); | |
3466 | else | |
3467 | aNewP.ParametersOnS2(U, V); | |
3468 | Standard_Integer nbboundaries = 0; | |
3469 | ||
3470 | Standard_Boolean bIsNearBoundary = Standard_False; | |
3471 | Standard_Integer aZoneIndex = 0; | |
3472 | Standard_Integer bIsUBoundary = Standard_False; // use if nbboundaries == 1 | |
3473 | Standard_Integer bIsFirstBoundary = Standard_False; // use if nbboundaries == 1 | |
3474 | ||
3475 | ||
3476 | for(Standard_Integer parit = 0; parit < 2; parit++) { | |
3477 | Standard_Boolean isperiodic = (parit == 0) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic(); | |
3478 | ||
3479 | Standard_Real aResolution = (parit == 0) ? aGASurface->UResolution(aTol) : aGASurface->VResolution(aTol); | |
3480 | Standard_Real alowerboundary = (parit == 0) ? umin : vmin; | |
3481 | Standard_Real aupperboundary = (parit == 0) ? umax : vmax; | |
3482 | ||
3483 | Standard_Real aParameter = (parit == 0) ? U : V; | |
3484 | Standard_Boolean bIsOnFirstBoundary = Standard_True; | |
3485 | ||
3486 | if(!isperiodic) { | |
3487 | bIsPointOnBoundary= | |
3488 | IsPointOnBoundary(aParameter, alowerboundary, aupperboundary, aResolution, bIsOnFirstBoundary); | |
3489 | if(bIsPointOnBoundary) { | |
3490 | bIsUBoundary = (parit == 0); | |
3491 | bIsFirstBoundary = bIsOnFirstBoundary; | |
3492 | nbboundaries++; | |
3493 | } | |
3494 | } | |
3495 | else { | |
3496 | Standard_Real aPeriod = (parit == 0) ? aGASurface->UPeriod() : aGASurface->VPeriod(); | |
3497 | Standard_Real anoffset = 0.; | |
3498 | Standard_Real anAdjustPar = AdjustPeriodic(aParameter, alowerboundary, aupperboundary, aPeriod, anoffset); | |
3499 | ||
3500 | bIsPointOnBoundary= | |
3501 | IsPointOnBoundary(anAdjustPar, alowerboundary, aupperboundary, aResolution, bIsOnFirstBoundary); | |
3502 | if(bIsPointOnBoundary) { | |
3503 | bIsUBoundary = (parit == 0); | |
3504 | bIsFirstBoundary = bIsOnFirstBoundary; | |
3505 | nbboundaries++; | |
3506 | } | |
3507 | else { | |
3508 | //check neighbourhood of boundary | |
3509 | Standard_Real anEpsilon = aResolution * 100.; | |
3510 | Standard_Real aPart = ( aupperboundary - alowerboundary ) * 0.1; | |
3511 | anEpsilon = ( anEpsilon > aPart ) ? aPart : anEpsilon; | |
3512 | ||
3513 | bIsNearBoundary = IsPointOnBoundary(anAdjustPar, alowerboundary, aupperboundary, | |
3514 | anEpsilon, bIsOnFirstBoundary); | |
3515 | ||
3516 | } | |
3517 | } | |
3518 | } | |
3519 | ||
3520 | // check if a point belong to a tangent zone. Begin | |
3521 | for ( Standard_Integer zIt = 1; zIt <= aNbZone; zIt++ ) { | |
3522 | gp_Pnt2d aPZone = (surfit == 0) ? aTanZoneS1->Value(zIt) : aTanZoneS2->Value(zIt); | |
3523 | Standard_Real aZoneRadius = aTanZoneRadius->Value(zIt); | |
3524 | ||
3525 | Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); | |
3526 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1); | |
3527 | Standard_Real nU1, nV1; | |
3528 | ||
3529 | if(surfit == 0) | |
3530 | aNeighbourPoint.ParametersOnS1(nU1, nV1); | |
3531 | else | |
3532 | aNeighbourPoint.ParametersOnS2(nU1, nV1); | |
3533 | gp_Pnt2d ap1(nU1, nV1); | |
3534 | gp_Pnt2d ap2 = AdjustByNeighbour( ap1, gp_Pnt2d( U, V ), aGASurface ); | |
3535 | ||
3536 | ||
3537 | if ( IsInsideTanZone( ap2, aPZone, aZoneRadius, aGASurface ) ) { | |
3538 | aZoneIndex = zIt; | |
3539 | bIsNearBoundary = Standard_True; | |
3540 | if ( theReachedTol3d < aZoneRadius ) { | |
3541 | theReachedTol3d = aZoneRadius; | |
3542 | } | |
3543 | } | |
3544 | } | |
3545 | // check if a point belong to a tangent zone. End | |
3546 | Standard_Boolean bComputeLineEnd = Standard_False; | |
3547 | ||
3548 | if(nbboundaries == 2) { | |
3549 | //xf | |
9e9df9d9 | 3550 | bComputeLineEnd = Standard_True; |
7fd59977 | 3551 | //xt |
3552 | } | |
3553 | else if(nbboundaries == 1) { | |
3554 | Standard_Boolean isperiodic = (bIsUBoundary) ? aGASurface->IsUPeriodic() : aGASurface->IsVPeriodic(); | |
3555 | ||
3556 | if(isperiodic) { | |
3557 | Standard_Real alowerboundary = (bIsUBoundary) ? umin : vmin; | |
3558 | Standard_Real aupperboundary = (bIsUBoundary) ? umax : vmax; | |
3559 | Standard_Real aPeriod = (bIsUBoundary) ? aGASurface->UPeriod() : aGASurface->VPeriod(); | |
3560 | Standard_Real aParameter = (bIsUBoundary) ? U : V; | |
3561 | Standard_Real anoffset = 0.; | |
3562 | Standard_Real anAdjustPar = AdjustPeriodic(aParameter, alowerboundary, aupperboundary, aPeriod, anoffset); | |
3563 | ||
3564 | Standard_Real adist = (bIsFirstBoundary) ? fabs(anAdjustPar - alowerboundary) : fabs(anAdjustPar - aupperboundary); | |
3565 | Standard_Real anotherPar = (bIsFirstBoundary) ? (aupperboundary - adist) : (alowerboundary + adist); | |
3566 | anotherPar += anoffset; | |
3567 | Standard_Integer aneighbourpointindex = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); | |
3568 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex); | |
3569 | Standard_Real nU1, nV1; | |
3570 | ||
3571 | if(surfit == 0) | |
3572 | aNeighbourPoint.ParametersOnS1(nU1, nV1); | |
3573 | else | |
3574 | aNeighbourPoint.ParametersOnS2(nU1, nV1); | |
3575 | ||
3576 | Standard_Real adist1 = (bIsUBoundary) ? fabs(nU1 - U) : fabs(nV1 - V); | |
3577 | Standard_Real adist2 = (bIsUBoundary) ? fabs(nU1 - anotherPar) : fabs(nV1 - anotherPar); | |
3578 | bComputeLineEnd = Standard_True; | |
3579 | Standard_Boolean bCheckAngle1 = Standard_False; | |
3580 | Standard_Boolean bCheckAngle2 = Standard_False; | |
3581 | gp_Vec2d aNewVec; | |
3582 | Standard_Real anewU = (bIsUBoundary) ? anotherPar : U; | |
3583 | Standard_Real anewV = (bIsUBoundary) ? V : anotherPar; | |
3584 | ||
3585 | if(((adist1 - adist2) > Precision::PConfusion()) && | |
3586 | (adist2 < (aPeriod / 4.))) { | |
3587 | bCheckAngle1 = Standard_True; | |
3588 | aNewVec = gp_Vec2d(gp_Pnt2d(nU1, nV1), gp_Pnt2d(anewU, anewV)); | |
3589 | ||
3590 | if(aNewVec.SquareMagnitude() < (gp::Resolution() * gp::Resolution())) { | |
3591 | aNewP.SetValue((surfit == 0), anewU, anewV); | |
3592 | bCheckAngle1 = Standard_False; | |
3593 | } | |
3594 | } | |
3595 | else if(adist1 < (aPeriod / 4.)) { | |
3596 | bCheckAngle2 = Standard_True; | |
3597 | aNewVec = gp_Vec2d(gp_Pnt2d(nU1, nV1), gp_Pnt2d(U, V)); | |
3598 | ||
3599 | if(aNewVec.SquareMagnitude() < (gp::Resolution() * gp::Resolution())) { | |
3600 | bCheckAngle2 = Standard_False; | |
3601 | } | |
3602 | } | |
3603 | ||
3604 | if(bCheckAngle1 || bCheckAngle2) { | |
3605 | // assume there are at least two points in line (see "if" above) | |
3606 | Standard_Integer anindexother = aneighbourpointindex; | |
3607 | ||
3608 | while((anindexother <= aListOfIndex.Last()) && (anindexother >= aListOfIndex.First())) { | |
3609 | anindexother = (j == 0) ? (anindexother + 1) : (anindexother - 1); | |
3610 | const IntSurf_PntOn2S& aPrevNeighbourPoint = theWLine->Point(anindexother); | |
3611 | Standard_Real nU2, nV2; | |
3612 | ||
3613 | if(surfit == 0) | |
3614 | aPrevNeighbourPoint.ParametersOnS1(nU2, nV2); | |
3615 | else | |
3616 | aPrevNeighbourPoint.ParametersOnS2(nU2, nV2); | |
3617 | gp_Vec2d aVecOld(gp_Pnt2d(nU2, nV2), gp_Pnt2d(nU1, nV1)); | |
3618 | ||
3619 | if(aVecOld.SquareMagnitude() <= (gp::Resolution() * gp::Resolution())) { | |
3620 | continue; | |
3621 | } | |
3622 | else { | |
3623 | Standard_Real anAngle = aNewVec.Angle(aVecOld); | |
3624 | ||
3625 | if((fabs(anAngle) < (Standard_PI * 0.25)) && (aNewVec.Dot(aVecOld) > 0.)) { | |
3626 | ||
3627 | if(bCheckAngle1) { | |
3628 | Standard_Real U1, U2, V1, V2; | |
3629 | IntSurf_PntOn2S atmppoint = aNewP; | |
3630 | atmppoint.SetValue((surfit == 0), anewU, anewV); | |
3631 | atmppoint.Parameters(U1, V1, U2, V2); | |
3632 | gp_Pnt P1 = theSurface1->Value(U1, V1); | |
3633 | gp_Pnt P2 = theSurface2->Value(U2, V2); | |
3634 | gp_Pnt P0 = aPoint.Value(); | |
3635 | ||
3636 | if(P0.IsEqual(P1, aTol) && | |
3637 | P0.IsEqual(P2, aTol) && | |
3638 | P1.IsEqual(P2, aTol)) { | |
3639 | bComputeLineEnd = Standard_False; | |
3640 | aNewP.SetValue((surfit == 0), anewU, anewV); | |
3641 | } | |
3642 | } | |
3643 | ||
3644 | if(bCheckAngle2) { | |
3645 | bComputeLineEnd = Standard_False; | |
3646 | } | |
3647 | } | |
3648 | break; | |
3649 | } | |
3650 | } // end while(anindexother...) | |
3651 | } | |
3652 | } | |
3653 | } | |
3654 | else if ( bIsNearBoundary ) { | |
3655 | bComputeLineEnd = Standard_True; | |
3656 | } | |
3657 | ||
3658 | if(bComputeLineEnd) { | |
3659 | ||
3660 | gp_Pnt2d anewpoint; | |
3661 | Standard_Boolean found = Standard_False; | |
3662 | ||
3663 | if ( bIsNearBoundary ) { | |
3664 | // re-compute point near natural boundary or near tangent zone | |
3665 | Standard_Real u1, v1, u2, v2; | |
3666 | aNewP.Parameters( u1, v1, u2, v2 ); | |
3667 | if(surfit == 0) | |
3668 | anewpoint = gp_Pnt2d( u1, v1 ); | |
3669 | else | |
3670 | anewpoint = gp_Pnt2d( u2, v2 ); | |
3671 | ||
3672 | Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); | |
3673 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1); | |
3674 | Standard_Real nU1, nV1; | |
3675 | ||
3676 | if(surfit == 0) | |
3677 | aNeighbourPoint.ParametersOnS1(nU1, nV1); | |
3678 | else | |
3679 | aNeighbourPoint.ParametersOnS2(nU1, nV1); | |
3680 | gp_Pnt2d ap1(nU1, nV1); | |
3681 | gp_Pnt2d ap2; | |
3682 | ||
3683 | ||
3684 | if ( aZoneIndex ) { | |
3685 | // exclude point from a tangent zone | |
3686 | anewpoint = AdjustByNeighbour( ap1, anewpoint, aGASurface ); | |
3687 | gp_Pnt2d aPZone = (surfit == 0) ? aTanZoneS1->Value(aZoneIndex) : aTanZoneS2->Value(aZoneIndex); | |
3688 | Standard_Real aZoneRadius = aTanZoneRadius->Value(aZoneIndex); | |
3689 | ||
3690 | if ( FindPoint(ap1, anewpoint, umin, umax, vmin, vmax, | |
3691 | aPZone, aZoneRadius, aGASurface, ap2) ) { | |
3692 | anewpoint = ap2; | |
3693 | found = Standard_True; | |
3694 | } | |
3695 | } | |
3696 | else if ( aGASurface->IsUPeriodic() || aGASurface->IsVPeriodic() ) { | |
3697 | // re-compute point near boundary if shifted on a period | |
3698 | ap2 = AdjustByNeighbour( ap1, anewpoint, aGASurface ); | |
3699 | ||
3700 | if ( ( ap2.X() < umin ) || ( ap2.X() > umax ) || | |
3701 | ( ap2.Y() < vmin ) || ( ap2.Y() > vmax ) ) { | |
3702 | found = FindPoint(ap1, ap2, umin, umax, vmin, vmax, anewpoint); | |
3703 | } | |
3704 | else { | |
3705 | anewpoint = ap2; | |
3706 | aNewP.SetValue( (surfit == 0), anewpoint.X(), anewpoint.Y() ); | |
3707 | } | |
3708 | } | |
3709 | } | |
3710 | else { | |
3711 | ||
3712 | Standard_Integer aneighbourpointindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); | |
3713 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneighbourpointindex1); | |
3714 | Standard_Real nU1, nV1; | |
3715 | ||
3716 | if(surfit == 0) | |
3717 | aNeighbourPoint.ParametersOnS1(nU1, nV1); | |
3718 | else | |
3719 | aNeighbourPoint.ParametersOnS2(nU1, nV1); | |
3720 | gp_Pnt2d ap1(nU1, nV1); | |
3721 | gp_Pnt2d ap2(nU1, nV1); | |
3722 | Standard_Integer aneighbourpointindex2 = aneighbourpointindex1; | |
3723 | ||
3724 | while((aneighbourpointindex2 <= aListOfIndex.Last()) && (aneighbourpointindex2 >= aListOfIndex.First())) { | |
3725 | aneighbourpointindex2 = (j == 0) ? (aneighbourpointindex2 + 1) : (aneighbourpointindex2 - 1); | |
3726 | const IntSurf_PntOn2S& aPrevNeighbourPoint = theWLine->Point(aneighbourpointindex2); | |
3727 | Standard_Real nU2, nV2; | |
3728 | ||
3729 | if(surfit == 0) | |
3730 | aPrevNeighbourPoint.ParametersOnS1(nU2, nV2); | |
3731 | else | |
3732 | aPrevNeighbourPoint.ParametersOnS2(nU2, nV2); | |
3733 | ap2.SetX(nU2); | |
3734 | ap2.SetY(nV2); | |
3735 | ||
3736 | if(ap1.SquareDistance(ap2) > (gp::Resolution() * gp::Resolution())) { | |
3737 | break; | |
3738 | } | |
3739 | } | |
3740 | found = FindPoint(ap2, ap1, umin, umax, vmin, vmax, anewpoint); | |
3741 | } | |
3742 | ||
3743 | if(found) { | |
3744 | // check point | |
3745 | Standard_Real aCriteria = BRep_Tool::Tolerance(theFace1) + BRep_Tool::Tolerance(theFace2); | |
3746 | GeomAPI_ProjectPointOnSurf& aProjector = (surfit == 0) ? aContext.ProjPS(theFace2) : aContext.ProjPS(theFace1); | |
3747 | Handle(GeomAdaptor_HSurface) aSurface = (surfit == 0) ? theSurface1 : theSurface2; | |
3748 | ||
3749 | Handle(GeomAdaptor_HSurface) aSurfaceOther = (surfit == 0) ? theSurface2 : theSurface1; | |
3750 | ||
3751 | gp_Pnt aP3d = aSurface->Value(anewpoint.X(), anewpoint.Y()); | |
3752 | aProjector.Perform(aP3d); | |
3753 | ||
3754 | if(aProjector.IsDone()) { | |
3755 | if(aProjector.LowerDistance() < aCriteria) { | |
3756 | Standard_Real foundU = U, foundV = V; | |
3757 | aProjector.LowerDistanceParameters(foundU, foundV); | |
3758 | ||
3759 | //Correction of projected coordinates. Begin | |
3760 | //Note, it may be shifted on a period | |
3761 | Standard_Integer aneindex1 = (j == 0) ? aListOfIndex.First() : aListOfIndex.Last(); | |
3762 | const IntSurf_PntOn2S& aNeighbourPoint = theWLine->Point(aneindex1); | |
3763 | Standard_Real nUn, nVn; | |
3764 | ||
3765 | if(surfit == 0) | |
3766 | aNeighbourPoint.ParametersOnS2(nUn, nVn); | |
3767 | else | |
3768 | aNeighbourPoint.ParametersOnS1(nUn, nVn); | |
3769 | gp_Pnt2d aNeighbour2d(nUn, nVn); | |
3770 | gp_Pnt2d anAdjustedPoint = AdjustByNeighbour( aNeighbour2d, gp_Pnt2d(foundU, foundV), aSurfaceOther ); | |
3771 | foundU = anAdjustedPoint.X(); | |
3772 | foundV = anAdjustedPoint.Y(); | |
3773 | ||
3774 | if ( ( anAdjustedPoint.X() < umin ) && ( anAdjustedPoint.X() > umax ) && | |
3775 | ( anAdjustedPoint.Y() < vmin ) && ( anAdjustedPoint.Y() > vmax ) ) { | |
3776 | // attempt to roughly re-compute point | |
3777 | foundU = ( foundU < umin ) ? umin : foundU; | |
3778 | foundU = ( foundU > umax ) ? umax : foundU; | |
3779 | foundV = ( foundV < vmin ) ? vmin : foundV; | |
3780 | foundV = ( foundV > vmax ) ? vmax : foundV; | |
3781 | ||
3782 | GeomAPI_ProjectPointOnSurf& aProjector2 = (surfit == 0) ? aContext.ProjPS(theFace1) : aContext.ProjPS(theFace2); | |
3783 | ||
3784 | aP3d = aSurfaceOther->Value(foundU, foundV); | |
3785 | aProjector2.Perform(aP3d); | |
3786 | ||
3787 | if(aProjector2.IsDone()) { | |
3788 | if(aProjector2.LowerDistance() < aCriteria) { | |
3789 | Standard_Real foundU2 = anewpoint.X(), foundV2 = anewpoint.Y(); | |
3790 | aProjector2.LowerDistanceParameters(foundU2, foundV2); | |
3791 | anewpoint.SetX(foundU2); | |
3792 | anewpoint.SetY(foundV2); | |
3793 | } | |
3794 | } | |
3795 | } | |
3796 | //Correction of projected coordinates. End | |
3797 | ||
3798 | if(surfit == 0) | |
3799 | aNewP.SetValue(aP3d, anewpoint.X(), anewpoint.Y(), foundU, foundV); | |
3800 | else | |
3801 | aNewP.SetValue(aP3d, foundU, foundV, anewpoint.X(), anewpoint.Y()); | |
3802 | } | |
3803 | } | |
3804 | } | |
3805 | } | |
3806 | } | |
3807 | aSeqOfPntOn2S->Add(aNewP); | |
3808 | aListOfFLIndex.Append(aSeqOfPntOn2S->NbPoints()); | |
3809 | } | |
3810 | anArrayOfLineEnds.SetValue(i, aListOfFLIndex); | |
3811 | } | |
3812 | // Correct wlines.end | |
3813 | ||
3814 | // Split wlines.begin | |
3815 | Standard_Integer nbiter; | |
3816 | // | |
3817 | nbiter=1; | |
3818 | if (!bAvoidLineConstructor) { | |
3819 | nbiter=theLConstructor.NbParts(); | |
3820 | } | |
3821 | // | |
3822 | for(j = 1; j <= nbiter; ++j) { | |
3823 | Standard_Real fprm, lprm; | |
3824 | Standard_Integer ifprm, ilprm; | |
3825 | // | |
3826 | if(bAvoidLineConstructor) { | |
3827 | ifprm = 1; | |
3828 | ilprm = theWLine->NbPnts(); | |
3829 | } | |
3830 | else { | |
3831 | theLConstructor.Part(j, fprm, lprm); | |
3832 | ifprm = (Standard_Integer)fprm; | |
3833 | ilprm = (Standard_Integer)lprm; | |
3834 | } | |
3835 | ||
3836 | Handle(IntSurf_LineOn2S) aLineOn2S = new IntSurf_LineOn2S(); | |
3837 | // | |
3838 | for(i = 1; i <= nblines; i++) { | |
3839 | if(anArrayOfLineType.Value(i) != 0) { | |
3840 | continue; | |
3841 | } | |
3842 | const TColStd_ListOfInteger& aListOfIndex = anArrayOfLines.Value(i); | |
3843 | ||
3844 | if(aListOfIndex.Extent() < 2) { | |
3845 | continue; | |
3846 | } | |
3847 | const TColStd_ListOfInteger& aListOfFLIndex = anArrayOfLineEnds.Value(i); | |
3848 | Standard_Boolean bhasfirstpoint = (aListOfFLIndex.Extent() == 2); | |
3849 | Standard_Boolean bhaslastpoint = (aListOfFLIndex.Extent() == 2); | |
3850 | ||
3851 | if(!bhasfirstpoint && !aListOfFLIndex.IsEmpty()) { | |
3852 | bhasfirstpoint = (i != 1); | |
3853 | } | |
3854 | ||
3855 | if(!bhaslastpoint && !aListOfFLIndex.IsEmpty()) { | |
3856 | bhaslastpoint = (i != nblines); | |
3857 | } | |
3858 | Standard_Boolean bIsFirstInside = ((ifprm >= aListOfIndex.First()) && (ifprm <= aListOfIndex.Last())); | |
3859 | Standard_Boolean bIsLastInside = ((ilprm >= aListOfIndex.First()) && (ilprm <= aListOfIndex.Last())); | |
3860 | ||
3861 | if(!bIsFirstInside && !bIsLastInside) { | |
3862 | if((ifprm < aListOfIndex.First()) && (ilprm > aListOfIndex.Last())) { | |
3863 | // append whole line, and boundaries if neccesary | |
3864 | if(bhasfirstpoint) { | |
3865 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.First()); | |
3866 | aLineOn2S->Add(aP); | |
3867 | } | |
3868 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); | |
3869 | ||
3870 | for(; anIt.More(); anIt.Next()) { | |
3871 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); | |
3872 | aLineOn2S->Add(aP); | |
3873 | } | |
3874 | ||
3875 | if(bhaslastpoint) { | |
3876 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.Last()); | |
3877 | aLineOn2S->Add(aP); | |
3878 | } | |
3879 | ||
3880 | // check end of split line (end is almost always) | |
3881 | Standard_Integer aneighbour = i + 1; | |
3882 | Standard_Boolean bIsEndOfLine = Standard_True; | |
3883 | ||
3884 | if(aneighbour <= nblines) { | |
3885 | const TColStd_ListOfInteger& aListOfNeighbourIndex = anArrayOfLines.Value(aneighbour); | |
3886 | ||
3887 | if((anArrayOfLineType.Value(aneighbour) != 0) && | |
3888 | (aListOfNeighbourIndex.IsEmpty())) { | |
3889 | bIsEndOfLine = Standard_False; | |
3890 | } | |
3891 | } | |
3892 | ||
3893 | if(bIsEndOfLine) { | |
3894 | if(aLineOn2S->NbPoints() > 1) { | |
3895 | Handle(IntPatch_WLine) aNewWLine = | |
3896 | new IntPatch_WLine(aLineOn2S, Standard_False); | |
3897 | theNewLines.Append(aNewWLine); | |
3898 | } | |
3899 | aLineOn2S = new IntSurf_LineOn2S(); | |
3900 | } | |
3901 | } | |
3902 | continue; | |
3903 | } | |
3904 | // end if(!bIsFirstInside && !bIsLastInside) | |
3905 | ||
3906 | if(bIsFirstInside && bIsLastInside) { | |
3907 | // append inside points between ifprm and ilprm | |
3908 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); | |
3909 | ||
3910 | for(; anIt.More(); anIt.Next()) { | |
3911 | if((anIt.Value() < ifprm) || (anIt.Value() > ilprm)) | |
3912 | continue; | |
3913 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); | |
3914 | aLineOn2S->Add(aP); | |
3915 | } | |
3916 | } | |
3917 | else { | |
3918 | ||
3919 | if(bIsFirstInside) { | |
3920 | // append points from ifprm to last point + boundary point | |
3921 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); | |
3922 | ||
3923 | for(; anIt.More(); anIt.Next()) { | |
3924 | if(anIt.Value() < ifprm) | |
3925 | continue; | |
3926 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); | |
3927 | aLineOn2S->Add(aP); | |
3928 | } | |
3929 | ||
3930 | if(bhaslastpoint) { | |
3931 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.Last()); | |
3932 | aLineOn2S->Add(aP); | |
3933 | } | |
3934 | // check end of split line (end is almost always) | |
3935 | Standard_Integer aneighbour = i + 1; | |
3936 | Standard_Boolean bIsEndOfLine = Standard_True; | |
3937 | ||
3938 | if(aneighbour <= nblines) { | |
3939 | const TColStd_ListOfInteger& aListOfNeighbourIndex = anArrayOfLines.Value(aneighbour); | |
3940 | ||
3941 | if((anArrayOfLineType.Value(aneighbour) != 0) && | |
3942 | (aListOfNeighbourIndex.IsEmpty())) { | |
3943 | bIsEndOfLine = Standard_False; | |
3944 | } | |
3945 | } | |
3946 | ||
3947 | if(bIsEndOfLine) { | |
3948 | if(aLineOn2S->NbPoints() > 1) { | |
3949 | Handle(IntPatch_WLine) aNewWLine = | |
3950 | new IntPatch_WLine(aLineOn2S, Standard_False); | |
3951 | theNewLines.Append(aNewWLine); | |
3952 | } | |
3953 | aLineOn2S = new IntSurf_LineOn2S(); | |
3954 | } | |
3955 | } | |
3956 | // end if(bIsFirstInside) | |
3957 | ||
3958 | if(bIsLastInside) { | |
3959 | // append points from first boundary point to ilprm | |
3960 | if(bhasfirstpoint) { | |
3961 | const IntSurf_PntOn2S& aP = aSeqOfPntOn2S->Value(aListOfFLIndex.First()); | |
3962 | aLineOn2S->Add(aP); | |
3963 | } | |
3964 | TColStd_ListIteratorOfListOfInteger anIt(aListOfIndex); | |
3965 | ||
3966 | for(; anIt.More(); anIt.Next()) { | |
3967 | if(anIt.Value() > ilprm) | |
3968 | continue; | |
3969 | const IntSurf_PntOn2S& aP = theWLine->Point(anIt.Value()); | |
3970 | aLineOn2S->Add(aP); | |
3971 | } | |
3972 | } | |
3973 | //end if(bIsLastInside) | |
3974 | } | |
3975 | } | |
3976 | ||
3977 | if(aLineOn2S->NbPoints() > 1) { | |
3978 | Handle(IntPatch_WLine) aNewWLine = | |
3979 | new IntPatch_WLine(aLineOn2S, Standard_False); | |
3980 | theNewLines.Append(aNewWLine); | |
3981 | } | |
3982 | } | |
3983 | // Split wlines.end | |
3984 | ||
3985 | return Standard_True; | |
3986 | } | |
3987 | ||
3988 | // ------------------------------------------------------------------------------------------------ | |
3989 | // static function: ParameterOutOfBoundary | |
3990 | // purpose: Computes a new parameter for given curve. The corresponding 2d points | |
0fc4f2e2 | 3991 | // does not lay on any boundary of given faces |
7fd59977 | 3992 | // ------------------------------------------------------------------------------------------------ |
3993 | Standard_Boolean ParameterOutOfBoundary(const Standard_Real theParameter, | |
3994 | const Handle(Geom_Curve)& theCurve, | |
3995 | const TopoDS_Face& theFace1, | |
3996 | const TopoDS_Face& theFace2, | |
3997 | const Standard_Real theOtherParameter, | |
3998 | const Standard_Boolean bIncreasePar, | |
3999 | Standard_Real& theNewParameter) { | |
4000 | Standard_Boolean bIsComputed = Standard_False; | |
4001 | theNewParameter = theParameter; | |
4002 | ||
4003 | IntTools_Context aContext; | |
4004 | Standard_Real acurpar = theParameter; | |
4005 | TopAbs_State aState = TopAbs_ON; | |
4006 | Standard_Integer iter = 0; | |
4007 | Standard_Real asumtol = BRep_Tool::Tolerance(theFace1) + BRep_Tool::Tolerance(theFace2); | |
4008 | Standard_Real adelta = asumtol * 0.1; | |
4009 | adelta = (adelta < Precision::Confusion()) ? Precision::Confusion() : adelta; | |
4010 | Handle(Geom_Surface) aSurf1 = BRep_Tool::Surface(theFace1); | |
4011 | Handle(Geom_Surface) aSurf2 = BRep_Tool::Surface(theFace2); | |
4012 | ||
4013 | Standard_Real u1, u2, v1, v2; | |
4014 | ||
4015 | GeomAPI_ProjectPointOnSurf aPrj1; | |
4016 | aSurf1->Bounds(u1, u2, v1, v2); | |
4017 | aPrj1.Init(aSurf1, u1, u2, v1, v2); | |
4018 | ||
4019 | GeomAPI_ProjectPointOnSurf aPrj2; | |
4020 | aSurf2->Bounds(u1, u2, v1, v2); | |
4021 | aPrj2.Init(aSurf2, u1, u2, v1, v2); | |
4022 | ||
4023 | while(aState == TopAbs_ON) { | |
4024 | if(bIncreasePar) | |
4025 | acurpar += adelta; | |
4026 | else | |
4027 | acurpar -= adelta; | |
4028 | gp_Pnt aPCurrent = theCurve->Value(acurpar); | |
4029 | aPrj1.Perform(aPCurrent); | |
4030 | Standard_Real U=0., V=0.; | |
4031 | ||
4032 | if(aPrj1.IsDone()) { | |
4033 | aPrj1.LowerDistanceParameters(U, V); | |
4034 | aState = aContext.StatePointFace(theFace1, gp_Pnt2d(U, V)); | |
4035 | } | |
4036 | ||
4037 | if(aState != TopAbs_ON) { | |
4038 | aPrj2.Perform(aPCurrent); | |
4039 | ||
4040 | if(aPrj2.IsDone()) { | |
4041 | aPrj2.LowerDistanceParameters(U, V); | |
4042 | aState = aContext.StatePointFace(theFace2, gp_Pnt2d(U, V)); | |
4043 | } | |
4044 | } | |
4045 | ||
4046 | if(iter > 11) { | |
4047 | break; | |
4048 | } | |
4049 | iter++; | |
4050 | } | |
4051 | ||
4052 | if(iter <= 11) { | |
4053 | theNewParameter = acurpar; | |
4054 | bIsComputed = Standard_True; | |
4055 | ||
4056 | if(bIncreasePar) { | |
4057 | if(acurpar >= theOtherParameter) | |
4058 | theNewParameter = theOtherParameter; | |
4059 | } | |
4060 | else { | |
4061 | if(acurpar <= theOtherParameter) | |
4062 | theNewParameter = theOtherParameter; | |
4063 | } | |
4064 | } | |
4065 | return bIsComputed; | |
4066 | } | |
4067 | ||
0fc4f2e2 P |
4068 | //======================================================================= |
4069 | //function : IsCurveValid | |
4070 | //purpose : | |
4071 | //======================================================================= | |
7fd59977 | 4072 | Standard_Boolean IsCurveValid(Handle(Geom2d_Curve)& thePCurve) |
4073 | { | |
4074 | if(thePCurve.IsNull()) | |
4075 | return Standard_False; | |
4076 | ||
4077 | Standard_Real tolint = 1.e-10; | |
4078 | Geom2dAdaptor_Curve PCA; | |
4079 | IntRes2d_Domain PCD; | |
4080 | Geom2dInt_GInter PCI; | |
4081 | ||
4082 | Standard_Real pf = 0., pl = 0.; | |
4083 | gp_Pnt2d pntf, pntl; | |
4084 | ||
4085 | if(!thePCurve->IsClosed() && !thePCurve->IsPeriodic()) { | |
4086 | pf = thePCurve->FirstParameter(); | |
4087 | pl = thePCurve->LastParameter(); | |
4088 | pntf = thePCurve->Value(pf); | |
4089 | pntl = thePCurve->Value(pl); | |
4090 | PCA.Load(thePCurve); | |
4091 | if(!PCA.IsPeriodic()) { | |
4092 | if(PCA.FirstParameter() > pf) pf = PCA.FirstParameter(); | |
4093 | if(PCA.LastParameter() < pl) pl = PCA.LastParameter(); | |
4094 | } | |
4095 | PCD.SetValues(pntf,pf,tolint,pntl,pl,tolint); | |
4096 | PCI.Perform(PCA,PCD,tolint,tolint); | |
4097 | if(PCI.IsDone()) | |
4098 | if(PCI.NbPoints() > 0) { | |
4099 | return Standard_False; | |
4100 | } | |
4101 | } | |
4102 | ||
4103 | return Standard_True; | |
4104 | } | |
4105 | ||
4106 | //======================================================================= | |
4107 | //static function : ApproxWithPCurves | |
4108 | //purpose : for bug 20964 only | |
4109 | //======================================================================= | |
7fd59977 | 4110 | Standard_Boolean ApproxWithPCurves(const gp_Cylinder& theCyl, |
4111 | const gp_Sphere& theSph) | |
4112 | { | |
4113 | Standard_Boolean bRes = Standard_True; | |
4114 | Standard_Real R1 = theCyl.Radius(), R2 = theSph.Radius(); | |
4115 | ||
4116 | if(R1 < 2.*R2) return bRes; | |
4117 | ||
4118 | gp_Lin anCylAx(theCyl.Axis()); | |
4119 | ||
4120 | Standard_Real aDist = anCylAx.Distance(theSph.Location()); | |
4121 | Standard_Real aDRel = Abs(aDist - R1)/R2; | |
4122 | ||
4123 | if(aDRel > .2) return bRes; | |
4124 | ||
4125 | Standard_Real par = ElCLib::Parameter(anCylAx, theSph.Location()); | |
4126 | gp_Pnt aP = ElCLib::Value(par, anCylAx); | |
4127 | gp_Vec aV(aP, theSph.Location()); | |
4128 | ||
4129 | Standard_Real dd = aV.Dot(theSph.Position().XDirection()); | |
4130 | ||
4131 | if(aDist < R1 && dd > 0.) return Standard_False; | |
4132 | if(aDist > R1 && dd < 0.) return Standard_False; | |
4133 | ||
4134 | ||
4135 | return bRes; | |
4136 | } | |
7fd59977 | 4137 | //======================================================================= |
4138 | //function : PerformPlanes | |
4139 | //purpose : | |
4140 | //======================================================================= | |
7fd59977 | 4141 | void PerformPlanes(const Handle(GeomAdaptor_HSurface)& theS1, |
4142 | const Handle(GeomAdaptor_HSurface)& theS2, | |
4143 | const Standard_Real TolAng, | |
4144 | const Standard_Real TolTang, | |
4145 | const Standard_Boolean theApprox1, | |
4146 | const Standard_Boolean theApprox2, | |
4147 | IntTools_SequenceOfCurves& theSeqOfCurve, | |
4148 | Standard_Boolean& theTangentFaces) | |
4149 | { | |
4150 | ||
4151 | gp_Pln aPln1 = theS1->Surface().Plane(); | |
4152 | gp_Pln aPln2 = theS2->Surface().Plane(); | |
4153 | ||
4154 | IntAna_QuadQuadGeo aPlnInter(aPln1, aPln2, TolAng, TolTang); | |
4155 | ||
4156 | if(!aPlnInter.IsDone()) { | |
4157 | theTangentFaces = Standard_False; | |
4158 | return; | |
4159 | } | |
4160 | ||
4161 | IntAna_ResultType aResType = aPlnInter.TypeInter(); | |
4162 | ||
4163 | if(aResType == IntAna_Same) { | |
4164 | theTangentFaces = Standard_True; | |
4165 | return; | |
4166 | } | |
4167 | ||
4168 | theTangentFaces = Standard_False; | |
4169 | ||
4170 | if(aResType == IntAna_Empty) { | |
4171 | return; | |
4172 | } | |
4173 | ||
4174 | gp_Lin aLin = aPlnInter.Line(1); | |
4175 | ||
4176 | ProjLib_Plane aProj; | |
4177 | ||
4178 | aProj.Init(aPln1); | |
4179 | aProj.Project(aLin); | |
4180 | gp_Lin2d aLin2d1 = aProj.Line(); | |
4181 | // | |
4182 | aProj.Init(aPln2); | |
4183 | aProj.Project(aLin); | |
4184 | gp_Lin2d aLin2d2 = aProj.Line(); | |
4185 | // | |
4186 | //classify line2d1 relatively first plane | |
4187 | Standard_Real P11, P12; | |
4188 | Standard_Boolean IsCrossed = ClassifyLin2d(theS1, aLin2d1, TolTang, P11, P12); | |
4189 | if(!IsCrossed) return; | |
4190 | //classify line2d2 relatively second plane | |
4191 | Standard_Real P21, P22; | |
4192 | IsCrossed = ClassifyLin2d(theS2, aLin2d2, TolTang, P21, P22); | |
4193 | if(!IsCrossed) return; | |
4194 | ||
4195 | //Analysis of parametric intervals: must have common part | |
4196 | ||
4197 | if(P21 >= P12) return; | |
4198 | if(P22 <= P11) return; | |
4199 | ||
4200 | Standard_Real pmin, pmax; | |
4201 | pmin = Max(P11, P21); | |
4202 | pmax = Min(P12, P22); | |
4203 | ||
4204 | if(pmax - pmin <= TolTang) return; | |
4205 | ||
4206 | Handle(Geom_Line) aGLin = new Geom_Line(aLin); | |
4207 | ||
4208 | IntTools_Curve aCurve; | |
4209 | Handle(Geom_TrimmedCurve) aGTLin = new Geom_TrimmedCurve(aGLin, pmin, pmax); | |
4210 | ||
4211 | aCurve.SetCurve(aGTLin); | |
4212 | ||
4213 | if(theApprox1) { | |
4214 | Handle(Geom2d_Line) C2d = new Geom2d_Line(aLin2d1); | |
4215 | aCurve.SetFirstCurve2d(new Geom2d_TrimmedCurve(C2d, pmin, pmax)); | |
4216 | } | |
4217 | else { | |
4218 | Handle(Geom2d_Curve) H1; | |
4219 | aCurve.SetFirstCurve2d(H1); | |
4220 | } | |
4221 | if(theApprox2) { | |
4222 | Handle(Geom2d_Line) C2d = new Geom2d_Line(aLin2d2); | |
4223 | aCurve.SetSecondCurve2d(new Geom2d_TrimmedCurve(C2d, pmin, pmax)); | |
4224 | } | |
4225 | else { | |
4226 | Handle(Geom2d_Curve) H1; | |
4227 | aCurve.SetFirstCurve2d(H1); | |
4228 | } | |
4229 | ||
4230 | theSeqOfCurve.Append(aCurve); | |
4231 | ||
4232 | } | |
4233 | ||
4234 | //======================================================================= | |
4235 | //function : ClassifyLin2d | |
4236 | //purpose : | |
4237 | //======================================================================= | |
4238 | static inline Standard_Boolean INTER(const Standard_Real d1, | |
4239 | const Standard_Real d2, | |
4240 | const Standard_Real tol) | |
4241 | { | |
4242 | return (d1 > tol && d2 < -tol) || | |
4243 | (d1 < -tol && d2 > tol) || | |
4244 | ((d1 <= tol && d1 >= -tol) && (d2 > tol || d2 < -tol)) || | |
4245 | ((d2 <= tol && d2 >= -tol) && (d1 > tol || d1 < -tol)); | |
4246 | } | |
4247 | static inline Standard_Boolean COINC(const Standard_Real d1, | |
4248 | const Standard_Real d2, | |
4249 | const Standard_Real tol) | |
4250 | { | |
4251 | return (d1 <= tol && d1 >= -tol) && (d2 <= tol && d2 >= -tol); | |
4252 | } | |
4253 | Standard_Boolean ClassifyLin2d(const Handle(GeomAdaptor_HSurface)& theS, | |
4254 | const gp_Lin2d& theLin2d, | |
4255 | const Standard_Real theTol, | |
4256 | Standard_Real& theP1, | |
4257 | Standard_Real& theP2) | |
4258 | ||
4259 | { | |
4260 | Standard_Real xmin, xmax, ymin, ymax, d1, d2, A, B, C; | |
4261 | Standard_Real par[2]; | |
4262 | Standard_Integer nbi = 0; | |
4263 | ||
4264 | xmin = theS->Surface().FirstUParameter(); | |
4265 | xmax = theS->Surface().LastUParameter(); | |
4266 | ymin = theS->Surface().FirstVParameter(); | |
4267 | ymax = theS->Surface().LastVParameter(); | |
4268 | ||
4269 | theLin2d.Coefficients(A, B, C); | |
4270 | ||
4271 | //xmin, ymin <-> xmin, ymax | |
4272 | d1 = A*xmin + B*ymin + C; | |
4273 | d2 = A*xmin + B*ymax + C; | |
4274 | ||
4275 | if(INTER(d1, d2, theTol)) { | |
4276 | //Intersection with boundary | |
4277 | Standard_Real y = -(C + A*xmin)/B; | |
4278 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, y)); | |
4279 | nbi++; | |
4280 | } | |
4281 | else if (COINC(d1, d2, theTol)) { | |
4282 | //Coincidence with boundary | |
4283 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymin)); | |
4284 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymax)); | |
4285 | nbi = 2; | |
4286 | } | |
4287 | ||
4288 | if(nbi == 2) { | |
4289 | ||
4290 | if(fabs(par[0]-par[1]) > theTol) { | |
4291 | theP1 = Min(par[0], par[1]); | |
4292 | theP2 = Max(par[0], par[1]); | |
4293 | return Standard_True; | |
4294 | } | |
4295 | else return Standard_False; | |
4296 | ||
4297 | } | |
4298 | ||
4299 | //xmin, ymax <-> xmax, ymax | |
4300 | d1 = d2; | |
4301 | d2 = A*xmax + B*ymax + C; | |
4302 | ||
4303 | if(d1 > theTol || d1 < -theTol) {//to avoid checking of | |
4304 | //coincidence with the same point | |
4305 | if(INTER(d1, d2, theTol)) { | |
4306 | Standard_Real x = -(C + B*ymax)/A; | |
4307 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(x, ymax)); | |
4308 | nbi++; | |
4309 | } | |
4310 | else if (COINC(d1, d2, theTol)) { | |
4311 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymax)); | |
4312 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymax)); | |
4313 | nbi = 2; | |
4314 | } | |
4315 | } | |
4316 | ||
4317 | if(nbi == 2) { | |
4318 | ||
4319 | if(fabs(par[0]-par[1]) > theTol) { | |
4320 | theP1 = Min(par[0], par[1]); | |
4321 | theP2 = Max(par[0], par[1]); | |
4322 | return Standard_True; | |
4323 | } | |
4324 | else return Standard_False; | |
4325 | ||
4326 | } | |
4327 | ||
4328 | //xmax, ymax <-> xmax, ymin | |
4329 | d1 = d2; | |
4330 | d2 = A*xmax + B*ymin + C; | |
4331 | ||
4332 | if(d1 > theTol || d1 < -theTol) { | |
4333 | if(INTER(d1, d2, theTol)) { | |
4334 | Standard_Real y = -(C + A*xmax)/B; | |
4335 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, y)); | |
4336 | nbi++; | |
4337 | } | |
4338 | else if (COINC(d1, d2, theTol)) { | |
4339 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymax)); | |
4340 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymin)); | |
4341 | nbi = 2; | |
4342 | } | |
4343 | } | |
4344 | ||
4345 | if(nbi == 2) { | |
4346 | if(fabs(par[0]-par[1]) > theTol) { | |
4347 | theP1 = Min(par[0], par[1]); | |
4348 | theP2 = Max(par[0], par[1]); | |
4349 | return Standard_True; | |
4350 | } | |
4351 | else return Standard_False; | |
4352 | } | |
4353 | ||
4354 | //xmax, ymin <-> xmin, ymin | |
4355 | d1 = d2; | |
4356 | d2 = A*xmin + B*ymin + C; | |
4357 | ||
4358 | if(d1 > theTol || d1 < -theTol) { | |
4359 | if(INTER(d1, d2, theTol)) { | |
4360 | Standard_Real x = -(C + B*ymin)/A; | |
4361 | par[nbi] = ElCLib::Parameter(theLin2d, gp_Pnt2d(x, ymin)); | |
4362 | nbi++; | |
4363 | } | |
4364 | else if (COINC(d1, d2, theTol)) { | |
4365 | par[0] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmax, ymin)); | |
4366 | par[1] = ElCLib::Parameter(theLin2d, gp_Pnt2d(xmin, ymin)); | |
4367 | nbi = 2; | |
4368 | } | |
4369 | } | |
4370 | ||
4371 | if(nbi == 2) { | |
4372 | if(fabs(par[0]-par[1]) > theTol) { | |
4373 | theP1 = Min(par[0], par[1]); | |
4374 | theP2 = Max(par[0], par[1]); | |
4375 | return Standard_True; | |
4376 | } | |
4377 | else return Standard_False; | |
4378 | } | |
4379 | ||
4380 | return Standard_False; | |
4381 | ||
4382 | } | |
4383 | // | |
7fd59977 | 4384 | //======================================================================= |
4385 | //function : ApproxParameters | |
4386 | //purpose : | |
4387 | //======================================================================= | |
4388 | void ApproxParameters(const Handle(GeomAdaptor_HSurface)& aHS1, | |
4389 | const Handle(GeomAdaptor_HSurface)& aHS2, | |
4390 | Standard_Integer& iDegMin, | |
0fc4f2e2 | 4391 | Standard_Integer& iDegMax) |
7fd59977 | 4392 | { |
4393 | GeomAbs_SurfaceType aTS1, aTS2; | |
0fc4f2e2 | 4394 | |
7fd59977 | 4395 | // |
4396 | iDegMin=4; | |
4397 | iDegMax=8; | |
7fd59977 | 4398 | // |
4399 | aTS1=aHS1->Surface().GetType(); | |
4400 | aTS2=aHS2->Surface().GetType(); | |
4401 | // | |
4402 | // Cylinder/Torus | |
4403 | if ((aTS1==GeomAbs_Cylinder && aTS2==GeomAbs_Torus) || | |
4404 | (aTS2==GeomAbs_Cylinder && aTS1==GeomAbs_Torus)) { | |
0fc4f2e2 | 4405 | Standard_Real aRC, aRT, dR, aPC; |
7fd59977 | 4406 | gp_Cylinder aCylinder; |
4407 | gp_Torus aTorus; | |
4408 | // | |
4409 | aPC=Precision::Confusion(); | |
4410 | // | |
0fc4f2e2 P |
4411 | aCylinder=(aTS1==GeomAbs_Cylinder)? aHS1->Surface().Cylinder() : aHS2->Surface().Cylinder(); |
4412 | aTorus=(aTS1==GeomAbs_Torus)? aHS1->Surface().Torus() : aHS2->Surface().Torus(); | |
7fd59977 | 4413 | // |
4414 | aRC=aCylinder.Radius(); | |
4415 | aRT=aTorus.MinorRadius(); | |
4416 | dR=aRC-aRT; | |
4417 | if (dR<0.) { | |
4418 | dR=-dR; | |
4419 | } | |
4420 | // | |
4421 | if (dR<aPC) { | |
0fc4f2e2 P |
4422 | iDegMax=6; |
4423 | } | |
4424 | } | |
4425 | } | |
4426 | //======================================================================= | |
4427 | //function : Tolerances | |
4428 | //purpose : | |
4429 | //======================================================================= | |
4430 | void Tolerances(const Handle(GeomAdaptor_HSurface)& aHS1, | |
4431 | const Handle(GeomAdaptor_HSurface)& aHS2, | |
4432 | Standard_Real& ,//aTolArc, | |
4433 | Standard_Real& aTolTang, | |
4434 | Standard_Real& ,//aUVMaxStep, | |
4435 | Standard_Real& )//aDeflection) | |
4436 | { | |
4437 | GeomAbs_SurfaceType aTS1, aTS2; | |
4438 | // | |
4439 | aTS1=aHS1->Surface().GetType(); | |
4440 | aTS2=aHS2->Surface().GetType(); | |
4441 | // | |
4442 | // Cylinder/Torus | |
4443 | if ((aTS1==GeomAbs_Cylinder && aTS2==GeomAbs_Torus) || | |
4444 | (aTS2==GeomAbs_Cylinder && aTS1==GeomAbs_Torus)) { | |
4445 | Standard_Real aRC, aRT, dR, aPC; | |
4446 | gp_Cylinder aCylinder; | |
4447 | gp_Torus aTorus; | |
4448 | // | |
4449 | aPC=Precision::Confusion(); | |
4450 | // | |
4451 | aCylinder=(aTS1==GeomAbs_Cylinder)? aHS1->Surface().Cylinder() : aHS2->Surface().Cylinder(); | |
4452 | aTorus=(aTS1==GeomAbs_Torus)? aHS1->Surface().Torus() : aHS2->Surface().Torus(); | |
4453 | // | |
4454 | aRC=aCylinder.Radius(); | |
4455 | aRT=aTorus.MinorRadius(); | |
4456 | dR=aRC-aRT; | |
4457 | if (dR<0.) { | |
4458 | dR=-dR; | |
7fd59977 | 4459 | } |
0fc4f2e2 P |
4460 | // |
4461 | if (dR<aPC) { | |
4462 | aTolTang=0.1*aTolTang; | |
4463 | } | |
4464 | } | |
4465 | } | |
0fc4f2e2 P |
4466 | //======================================================================= |
4467 | //function : SortTypes | |
4468 | //purpose : | |
4469 | //======================================================================= | |
4470 | Standard_Boolean SortTypes(const GeomAbs_SurfaceType aType1, | |
4471 | const GeomAbs_SurfaceType aType2) | |
4472 | { | |
4473 | Standard_Boolean bRet; | |
4474 | Standard_Integer aI1, aI2; | |
4475 | // | |
4476 | bRet=Standard_False; | |
4477 | // | |
4478 | aI1=IndexType(aType1); | |
4479 | aI2=IndexType(aType2); | |
4480 | if (aI1<aI2){ | |
4481 | bRet=!bRet; | |
4482 | } | |
4483 | return bRet; | |
4484 | } | |
4485 | //======================================================================= | |
4486 | //function : IndexType | |
4487 | //purpose : | |
4488 | //======================================================================= | |
4489 | Standard_Integer IndexType(const GeomAbs_SurfaceType aType) | |
4490 | { | |
4491 | Standard_Integer aIndex; | |
4492 | // | |
4493 | aIndex=11; | |
4494 | // | |
4495 | if (aType==GeomAbs_Plane) { | |
4496 | aIndex=0; | |
7fd59977 | 4497 | } |
0fc4f2e2 P |
4498 | else if (aType==GeomAbs_Cylinder) { |
4499 | aIndex=1; | |
4500 | } | |
4501 | else if (aType==GeomAbs_Cone) { | |
4502 | aIndex=2; | |
4503 | } | |
4504 | else if (aType==GeomAbs_Sphere) { | |
4505 | aIndex=3; | |
4506 | } | |
4507 | else if (aType==GeomAbs_Torus) { | |
4508 | aIndex=4; | |
4509 | } | |
4510 | else if (aType==GeomAbs_BezierSurface) { | |
4511 | aIndex=5; | |
4512 | } | |
4513 | else if (aType==GeomAbs_BSplineSurface) { | |
4514 | aIndex=6; | |
4515 | } | |
4516 | else if (aType==GeomAbs_SurfaceOfRevolution) { | |
4517 | aIndex=7; | |
4518 | } | |
4519 | else if (aType==GeomAbs_SurfaceOfExtrusion) { | |
4520 | aIndex=8; | |
4521 | } | |
4522 | else if (aType==GeomAbs_OffsetSurface) { | |
4523 | aIndex=9; | |
4524 | } | |
4525 | else if (aType==GeomAbs_OtherSurface) { | |
4526 | aIndex=10; | |
4527 | } | |
4528 | return aIndex; | |
7fd59977 | 4529 | } |
a2eede02 P |
4530 | |
4531 | //modified by NIZNHY-PKV Fri Nov 25 11:58:12 2011f | |
4532 | //======================================================================= | |
4533 | //function : DumpWLine | |
4534 | //purpose : | |
4535 | //======================================================================= | |
4536 | void DumpWLine(const Handle(IntPatch_WLine)& aWLine) | |
4537 | { | |
4538 | Standard_Integer i, aNbPnts; | |
4539 | Standard_Real aX, aY, aZ, aU1, aV1, aU2, aV2; | |
4540 | // | |
4541 | aNbPnts=aWLine->NbPnts(); | |
4542 | for (i=1; i<=aNbPnts; ++i) { | |
4543 | const IntSurf_PntOn2S aPntOn2S=aWLine->Point(i); | |
4544 | const gp_Pnt& aP3D=aPntOn2S.Value(); | |
4545 | aP3D.Coord(aX, aY, aZ); | |
4546 | aPntOn2S.Parameters(aU1, aV1, aU2, aV2); | |
4547 | // | |
4548 | //printf("point p_%d %lf %lf %lf\n", i, aX, aY, aZ); | |
4549 | printf("point p_%d %20.15lf %20.15lf %20.15lf %20.15lf %20.15lf %20.15lf %20.15lf\n", | |
4550 | i, aX, aY, aZ, aU1, aV1, aU2, aV2); | |
4551 | } | |
4552 | } | |
4553 | //modified by NIZNHY-PKV Fri Nov 25 11:58:19 2011t |