Commit | Line | Data |
---|---|---|
b311480e | 1 | // Created on: 2001-02-26 |
2 | // Created by: Peter KURNEV | |
973c2be1 | 3 | // Copyright (c) 2001-2014 OPEN CASCADE SAS |
7fd59977 | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
11 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
7fd59977 | 15 | |
16 | #include <IntTools_EdgeFace.ixx> | |
17 | ||
18 | ||
19 | ||
20 | #include <IntTools_CArray1OfReal.hxx> | |
21 | #include <IntTools.hxx> | |
22 | #include <IntTools_CArray1OfInteger.hxx> | |
23 | #include <IntTools_Range.hxx> | |
24 | #include <IntTools_Tools.hxx> | |
25 | #include <IntTools_Array1OfRange.hxx> | |
26 | #include <IntTools_QuickSortRange.hxx> | |
27 | #include <IntTools_CompareRange.hxx> | |
28 | #include <IntTools_CommonPrt.hxx> | |
29 | #include <IntTools_Root.hxx> | |
30 | #include <IntTools_BeanFaceIntersector.hxx> | |
1e143abb | 31 | #include <IntTools_Context.hxx> |
7fd59977 | 32 | |
33 | #include <BRep_Tool.hxx> | |
34 | ||
35 | #include <GeomAdaptor_Surface.hxx> | |
36 | #include <GeomAdaptor_Curve.hxx> | |
37 | ||
38 | #include <Geom_Surface.hxx> | |
39 | #include <Geom_Curve.hxx> | |
40 | ||
41 | #include <GeomAPI_ProjectPointOnSurf.hxx> | |
42 | ||
43 | #include <Precision.hxx> | |
44 | ||
45 | #include <Bnd_Box.hxx> | |
46 | #include <BndLib_AddSurface.hxx> | |
47 | ||
48 | #include <gp_Cylinder.hxx> | |
49 | #include <gp_Ax1.hxx> | |
50 | #include <gp_Lin.hxx> | |
51 | #include <gp_Cone.hxx> | |
52 | #include <gp_Torus.hxx> | |
53 | #include <gp_Circ.hxx> | |
54 | #include <gp_Pln.hxx> | |
55 | ||
56 | ||
57 | #include <Extrema_ExtCS.hxx> | |
58 | #include <Extrema_POnCurv.hxx> | |
59 | #include <Extrema_POnSurf.hxx> | |
60 | ||
e30616a7 | 61 | |
7fd59977 | 62 | #include <IntCurveSurface_HInter.hxx> |
63 | #include <GeomAdaptor_HCurve.hxx> | |
64 | #include <GeomAdaptor_HSurface.hxx> | |
65 | #include <IntCurveSurface_IntersectionPoint.hxx> | |
66 | ||
67 | #ifdef WNT | |
68 | #pragma warning ( disable : 4101 ) | |
69 | #endif | |
70 | ||
71 | static | |
72 | Standard_Boolean IsCoplanar (const BRepAdaptor_Curve& , | |
e30616a7 | 73 | const BRepAdaptor_Surface& ); |
7fd59977 | 74 | static |
75 | Standard_Boolean IsRadius (const BRepAdaptor_Curve& aCurve , | |
e30616a7 | 76 | const BRepAdaptor_Surface& aSurface); |
7fd59977 | 77 | static |
78 | Standard_Integer AdaptiveDiscret (const Standard_Integer iDiscret, | |
e30616a7 | 79 | const BRepAdaptor_Curve& aCurve , |
80 | const BRepAdaptor_Surface& aSurface); | |
7fd59977 | 81 | |
82 | //======================================================================= | |
83 | //function : IntTools_EdgeFace::IntTools_EdgeFace | |
84 | //purpose : | |
85 | //======================================================================= | |
86 | IntTools_EdgeFace::IntTools_EdgeFace() | |
87 | { | |
88 | myTolE=1.e-7; | |
89 | myTolF=1.e-7; | |
90 | myDiscret=30; | |
91 | myEpsT =1e-12; | |
92 | myEpsNull=1e-12; | |
93 | myDeflection=0.01; | |
94 | myIsDone=Standard_False; | |
95 | myErrorStatus=1; | |
96 | myParallel=Standard_False; | |
97 | myPar1=0.; | |
4f189102 P |
98 | } |
99 | //======================================================================= | |
100 | //function : SetContext | |
101 | //purpose : | |
102 | //======================================================================= | |
1e143abb | 103 | void IntTools_EdgeFace::SetContext(const Handle(IntTools_Context)& theContext) |
4f189102 P |
104 | { |
105 | myContext = theContext; | |
7fd59977 | 106 | } |
107 | ||
4f189102 P |
108 | //======================================================================= |
109 | //function : Context | |
110 | //purpose : | |
111 | //======================================================================= | |
1e143abb | 112 | const Handle(IntTools_Context)& IntTools_EdgeFace::Context()const |
4f189102 P |
113 | { |
114 | return myContext; | |
115 | } | |
7fd59977 | 116 | //======================================================================= |
117 | //function : SetEdge | |
118 | //purpose : | |
119 | //======================================================================= | |
e30616a7 | 120 | void IntTools_EdgeFace::SetEdge(const TopoDS_Edge& anEdge) |
7fd59977 | 121 | { |
122 | myEdge=anEdge; | |
123 | } | |
7fd59977 | 124 | //======================================================================= |
125 | //function : SetFace | |
126 | //purpose : | |
127 | //======================================================================= | |
e30616a7 | 128 | void IntTools_EdgeFace::SetFace(const TopoDS_Face& aFace) |
7fd59977 | 129 | { |
130 | myFace=aFace; | |
131 | } | |
7fd59977 | 132 | //======================================================================= |
133 | //function : SetTolE | |
134 | //purpose : | |
135 | //======================================================================= | |
e30616a7 | 136 | void IntTools_EdgeFace::SetTolE(const Standard_Real aTol) |
7fd59977 | 137 | { |
138 | myTolE=aTol; | |
139 | } | |
140 | //======================================================================= | |
141 | //function : SetTolF | |
142 | //purpose : | |
143 | //======================================================================= | |
e30616a7 | 144 | void IntTools_EdgeFace::SetTolF(const Standard_Real aTol) |
7fd59977 | 145 | { |
146 | myTolF=aTol; | |
147 | } | |
e30616a7 | 148 | //======================================================================= |
149 | //function : Edge | |
150 | //purpose : | |
151 | //======================================================================= | |
152 | const TopoDS_Edge& IntTools_EdgeFace::Edge()const | |
153 | { | |
154 | return myEdge; | |
155 | } | |
156 | //======================================================================= | |
157 | //function : Face | |
158 | //purpose : | |
159 | //======================================================================= | |
160 | const TopoDS_Face& IntTools_EdgeFace::Face()const | |
161 | { | |
162 | return myFace; | |
163 | } | |
164 | //======================================================================= | |
165 | //function : TolE | |
166 | //purpose : | |
167 | //======================================================================= | |
168 | Standard_Real IntTools_EdgeFace::TolE()const | |
169 | { | |
170 | return myTolE; | |
171 | } | |
172 | //======================================================================= | |
173 | //function : TolF | |
174 | //purpose : | |
175 | //======================================================================= | |
176 | Standard_Real IntTools_EdgeFace::TolF()const | |
177 | { | |
178 | return myTolF; | |
179 | } | |
7fd59977 | 180 | //======================================================================= |
181 | //function : SetDiscretize | |
182 | //purpose : | |
183 | //======================================================================= | |
e30616a7 | 184 | void IntTools_EdgeFace::SetDiscretize(const Standard_Integer aDiscret) |
7fd59977 | 185 | { |
186 | myDiscret=aDiscret; | |
187 | } | |
188 | //======================================================================= | |
189 | //function : SetDeflection | |
190 | //purpose : | |
191 | //======================================================================= | |
e30616a7 | 192 | void IntTools_EdgeFace::SetDeflection(const Standard_Real aDefl) |
7fd59977 | 193 | { |
194 | myDeflection=aDefl; | |
195 | } | |
196 | //======================================================================= | |
197 | //function : SetEpsilonT | |
198 | //purpose : | |
199 | //======================================================================= | |
e30616a7 | 200 | void IntTools_EdgeFace::SetEpsilonT(const Standard_Real anEpsT) |
7fd59977 | 201 | { |
202 | myEpsT=anEpsT; | |
203 | } | |
204 | //======================================================================= | |
205 | //function : SetEpsilonNull | |
206 | //purpose : | |
207 | //======================================================================= | |
e30616a7 | 208 | void IntTools_EdgeFace::SetEpsilonNull(const Standard_Real anEpsNull) |
7fd59977 | 209 | { |
210 | myEpsNull=anEpsNull; | |
211 | } | |
212 | ||
213 | //======================================================================= | |
214 | //function : SetRange | |
215 | //purpose : | |
216 | //======================================================================= | |
e30616a7 | 217 | void IntTools_EdgeFace::SetRange(const Standard_Real aFirst, |
218 | const Standard_Real aLast) | |
7fd59977 | 219 | { |
220 | myRange.SetFirst (aFirst); | |
221 | myRange.SetLast (aLast); | |
222 | } | |
223 | ||
224 | //======================================================================= | |
225 | //function : SetRange | |
226 | //purpose : | |
227 | //======================================================================= | |
e30616a7 | 228 | void IntTools_EdgeFace::SetRange(const IntTools_Range& aRange) |
7fd59977 | 229 | { |
230 | myRange.SetFirst (aRange.First()); | |
231 | myRange.SetLast (aRange.Last()); | |
232 | } | |
233 | //======================================================================= | |
234 | //function : IsDone | |
235 | //purpose : | |
236 | //======================================================================= | |
4f189102 | 237 | Standard_Boolean IntTools_EdgeFace::IsDone()const |
7fd59977 | 238 | { |
239 | return myIsDone; | |
240 | } | |
241 | //======================================================================= | |
242 | //function : ErrorStatus | |
243 | //purpose : | |
244 | //======================================================================= | |
4f189102 | 245 | Standard_Integer IntTools_EdgeFace::ErrorStatus()const |
7fd59977 | 246 | { |
247 | return myErrorStatus; | |
248 | } | |
249 | //======================================================================= | |
250 | //function : CommonParts | |
251 | //purpose : | |
252 | //======================================================================= | |
4f189102 | 253 | const IntTools_SequenceOfCommonPrts& IntTools_EdgeFace::CommonParts() const |
7fd59977 | 254 | { |
255 | return mySeqOfCommonPrts; | |
256 | } | |
257 | //======================================================================= | |
258 | //function : Range | |
259 | //purpose : | |
260 | //======================================================================= | |
4f189102 | 261 | const IntTools_Range& IntTools_EdgeFace::Range() const |
7fd59977 | 262 | { |
263 | return myRange; | |
264 | } | |
265 | ||
266 | //======================================================================= | |
267 | //function : CheckData | |
268 | //purpose : | |
269 | //======================================================================= | |
4f189102 | 270 | void IntTools_EdgeFace::CheckData() |
7fd59977 | 271 | { |
272 | if (BRep_Tool::Degenerated(myEdge)) { | |
273 | myErrorStatus=2; | |
274 | } | |
275 | if (!BRep_Tool::IsGeometric(myEdge)) { | |
276 | myErrorStatus=3; | |
277 | } | |
278 | } | |
7fd59977 | 279 | //======================================================================= |
280 | //function : Prepare | |
281 | //purpose : | |
282 | //======================================================================= | |
e30616a7 | 283 | void IntTools_EdgeFace::Prepare() |
7fd59977 | 284 | { |
285 | Standard_Integer pri; | |
286 | IntTools_CArray1OfReal aPars; | |
287 | ||
288 | // | |
289 | // 1.Prepare Curve's data and Surface's data | |
290 | myC.Initialize(myEdge); | |
291 | GeomAbs_CurveType aCurveType; | |
292 | aCurveType=myC.GetType(); | |
293 | // | |
294 | // 2.Prepare myCriteria | |
295 | if (aCurveType==GeomAbs_BSplineCurve|| | |
e30616a7 | 296 | aCurveType==GeomAbs_BezierCurve) { |
7fd59977 | 297 | myCriteria=1.5*myTolE+myTolF; |
298 | } | |
299 | else { | |
300 | myCriteria=myTolE+myTolF; | |
301 | } | |
302 | // 2.a myTmin, myTmax | |
303 | myTmin=myRange.First(); | |
304 | myTmax=myRange.Last(); | |
305 | // 2.b myFClass2d | |
306 | myS.Initialize (myFace,Standard_True); | |
307 | myFClass2d.Init(myFace, 1.e-6); | |
308 | // | |
309 | // 2.c Prepare adaptive myDiscret | |
310 | myDiscret=AdaptiveDiscret(myDiscret, myC, myS); | |
311 | // | |
312 | // | |
313 | // 3.Prepare myPars | |
e30616a7 | 314 | pri = IntTools::PrepareArgs(myC, myTmax, myTmin, |
315 | myDiscret, myDeflection, aPars); | |
7fd59977 | 316 | if (pri) { |
317 | myErrorStatus=6; | |
318 | return; | |
319 | } | |
320 | // 4. | |
321 | //ProjectableRanges | |
322 | Standard_Integer i, iProj, aNb, aNbProj, ind0, ind1; | |
323 | Standard_Real t0, t1, tRoot; | |
324 | ||
325 | // | |
326 | // Table of Projection's function values | |
327 | aNb=aPars.Length(); | |
328 | IntTools_CArray1OfInteger anArrProjectability; | |
329 | anArrProjectability.Resize(aNb); | |
330 | ||
331 | for (iProj=0, i=0; i<aNb; i++) { | |
332 | t0=aPars(i); | |
333 | aNbProj=IsProjectable (t0); | |
334 | ||
335 | anArrProjectability(i)=0; | |
336 | if (aNbProj) { | |
337 | anArrProjectability(i)=1; | |
338 | iProj++; | |
339 | } | |
340 | } | |
341 | // | |
342 | // Checking | |
343 | if (!iProj ) { | |
344 | myErrorStatus=7; | |
345 | return; | |
346 | } | |
347 | ||
348 | // | |
349 | // Projectable Ranges | |
350 | IntTools_Range aRange; | |
351 | ||
352 | ind0=anArrProjectability(0); | |
353 | if (ind0) { | |
354 | t0=aPars(0); | |
355 | aRange.SetFirst(t0); | |
356 | } | |
357 | ||
358 | for(i=1; i<aNb; i++) { | |
359 | ind1=anArrProjectability(i); | |
360 | t0=aPars(i-1); | |
361 | t1=aPars(i); | |
362 | ||
363 | if (i==(aNb-1)) { | |
364 | if (ind1 && ind0) { | |
e30616a7 | 365 | aRange.SetLast(t1); |
366 | myProjectableRanges.Append(aRange); | |
7fd59977 | 367 | } |
368 | if (ind1 && !ind0) { | |
e30616a7 | 369 | FindProjectableRoot(t0, t1, ind0, ind1, tRoot); |
370 | aRange.SetFirst(tRoot); | |
371 | aRange.SetLast(t1); | |
372 | myProjectableRanges.Append(aRange); | |
7fd59977 | 373 | } |
374 | // | |
375 | if (ind0 && !ind1) { | |
e30616a7 | 376 | FindProjectableRoot(t0, t1, ind0, ind1, tRoot); |
377 | aRange.SetLast(tRoot); | |
378 | myProjectableRanges.Append(aRange); | |
7fd59977 | 379 | } |
380 | // | |
381 | break; | |
382 | } | |
383 | ||
384 | if (ind0 != ind1) { | |
385 | FindProjectableRoot(t0, t1, ind0, ind1, tRoot); | |
386 | ||
387 | if (ind0 && !ind1) { | |
e30616a7 | 388 | aRange.SetLast(tRoot); |
389 | myProjectableRanges.Append(aRange); | |
7fd59977 | 390 | } |
391 | else { | |
e30616a7 | 392 | aRange.SetFirst(tRoot); |
7fd59977 | 393 | } |
394 | } // if (ind0 != ind1) | |
395 | ind0=ind1; | |
396 | } // for(i=1; i<aNb; i++) { | |
397 | } | |
398 | ||
399 | //======================================================================= | |
400 | //function : FindProjectableRoot | |
401 | //purpose : | |
402 | //======================================================================= | |
55468283 | 403 | void IntTools_EdgeFace::FindProjectableRoot (const Standard_Real tt1, |
404 | const Standard_Real tt2, | |
405 | const Standard_Integer ff1, | |
406 | const Standard_Integer /*ff2*/, | |
407 | Standard_Real& tRoot) | |
7fd59977 | 408 | { |
409 | Standard_Real tm, t1, t2, aEpsT; | |
55468283 | 410 | Standard_Integer anIsProj1, anIsProjm; |
411 | aEpsT = 0.5 * myEpsT; | |
412 | ||
7fd59977 | 413 | // Root is inside [tt1, tt2] |
55468283 | 414 | t1 = tt1; |
415 | t2 = tt2; | |
416 | anIsProj1 = ff1; | |
417 | ||
418 | for(;;) | |
419 | { | |
420 | if (fabs(t1 - t2) < aEpsT) | |
421 | { | |
422 | tRoot = (anIsProj1) ? t1 : t2; | |
7fd59977 | 423 | return; |
424 | } | |
55468283 | 425 | tm = 0.5 * (t1 + t2); |
426 | anIsProjm = IsProjectable(tm); | |
427 | ||
428 | if (anIsProjm != anIsProj1) | |
429 | { | |
430 | t2 = tm; | |
7fd59977 | 431 | } |
55468283 | 432 | else |
433 | { | |
434 | t1 = tm; | |
435 | anIsProj1 = anIsProjm; | |
7fd59977 | 436 | } |
55468283 | 437 | } // for(;;) |
7fd59977 | 438 | } |
439 | //======================================================================= | |
440 | //function : IsProjectable | |
441 | //purpose : | |
442 | //======================================================================= | |
e30616a7 | 443 | Standard_Boolean IntTools_EdgeFace::IsProjectable |
444 | (const Standard_Real aT) const | |
7fd59977 | 445 | { |
66993778 | 446 | Standard_Boolean bFlag; |
447 | gp_Pnt aPC; | |
7fd59977 | 448 | // |
66993778 | 449 | myC.D0(aT, aPC); |
450 | bFlag=myContext->IsValidPointForFace(aPC, myFace, myCriteria); | |
7fd59977 | 451 | // |
7fd59977 | 452 | return bFlag; |
453 | } | |
7fd59977 | 454 | //======================================================================= |
455 | //function : DistanceFunction | |
456 | //purpose : | |
457 | //======================================================================= | |
e30616a7 | 458 | Standard_Real IntTools_EdgeFace::DistanceFunction |
459 | (const Standard_Real t) | |
7fd59977 | 460 | { |
96a95605 DB |
461 | Standard_Real aD; |
462 | ||
7fd59977 | 463 | // |
464 | gp_Pnt P; | |
465 | myC.D0(t, P); | |
466 | // | |
467 | Standard_Boolean bIsEqDistance; | |
468 | ||
469 | bIsEqDistance= IntTools_EdgeFace::IsEqDistance(P, myS, 1.e-7, aD); | |
470 | if (bIsEqDistance) { | |
471 | aD=aD-myCriteria; | |
472 | return aD; | |
473 | } | |
7fd59977 | 474 | |
7fd59977 | 475 | // |
476 | Standard_Boolean bFlag = Standard_False; | |
477 | ||
4f189102 P |
478 | GeomAPI_ProjectPointOnSurf& aLocProj = myContext->ProjPS(myFace); |
479 | aLocProj.Perform(P); | |
480 | bFlag = aLocProj.IsDone(); | |
481 | ||
482 | if(bFlag) { | |
483 | aD = aLocProj.LowerDistance(); | |
7fd59977 | 484 | } |
485 | // | |
486 | ||
487 | if (!bFlag) { | |
488 | myErrorStatus=11; | |
489 | return 99.; | |
490 | } | |
491 | ||
492 | // | |
493 | // aD=aProjector.LowerDistance(); | |
494 | // | |
495 | aD=aD-myCriteria; | |
496 | return aD; | |
497 | } | |
498 | // | |
499 | //======================================================================= | |
500 | //function : IsEqDistance | |
501 | //purpose : | |
502 | //======================================================================= | |
e30616a7 | 503 | Standard_Boolean IntTools_EdgeFace::IsEqDistance |
504 | (const gp_Pnt& aP, | |
505 | const BRepAdaptor_Surface& aBAS, | |
506 | const Standard_Real aTol, | |
507 | Standard_Real& aD) | |
7fd59977 | 508 | { |
509 | Standard_Boolean bRetFlag=Standard_True; | |
510 | ||
511 | GeomAbs_SurfaceType aSurfType=aBAS.GetType(); | |
512 | ||
513 | if (aSurfType==GeomAbs_Cylinder) { | |
514 | gp_Cylinder aCyl=aBAS.Cylinder(); | |
515 | const gp_Ax1& anAx1 =aCyl.Axis(); | |
516 | gp_Lin aLinAxis(anAx1); | |
517 | Standard_Real aDC, aRadius=aCyl.Radius(); | |
518 | aDC=aLinAxis.Distance(aP); | |
519 | if (aDC < aTol) { | |
520 | aD=aRadius; | |
521 | return bRetFlag; | |
522 | } | |
523 | } | |
524 | ||
525 | if (aSurfType==GeomAbs_Cone) { | |
526 | gp_Cone aCone=aBAS.Cone(); | |
527 | const gp_Ax1& anAx1 =aCone.Axis(); | |
528 | gp_Lin aLinAxis(anAx1); | |
529 | Standard_Real aDC, aRadius, aDS, aSemiAngle; | |
530 | aDC=aLinAxis.Distance(aP); | |
531 | if (aDC < aTol) { | |
532 | gp_Pnt anApex=aCone.Apex(); | |
533 | aSemiAngle=aCone.SemiAngle(); | |
534 | aDS=aP.Distance(anApex); | |
535 | ||
536 | aRadius=aDS*tan(aSemiAngle); | |
537 | aD=aRadius; | |
538 | return bRetFlag; | |
539 | } | |
540 | } | |
541 | ||
542 | if (aSurfType==GeomAbs_Torus) { | |
543 | Standard_Real aMajorRadius, aMinorRadius, aDC; | |
544 | ||
545 | gp_Torus aTorus=aBAS.Torus(); | |
546 | gp_Pnt aPLoc=aTorus.Location(); | |
547 | aMajorRadius=aTorus.MajorRadius(); | |
548 | ||
549 | aDC=fabs(aPLoc.Distance(aP)-aMajorRadius); | |
550 | if (aDC < aTol) { | |
551 | aMinorRadius=aTorus.MinorRadius(); | |
552 | aD=aMinorRadius; | |
553 | return bRetFlag; | |
554 | } | |
555 | } | |
556 | return !bRetFlag; | |
557 | } | |
558 | // | |
559 | //======================================================================= | |
560 | //function : PrepareArgsFuncArrays | |
561 | //purpose : Obtain | |
562 | // myFuncArray and myArgsArray for the interval [ta, tb] | |
e30616a7 | 563 | //======================================================================= |
564 | void IntTools_EdgeFace::PrepareArgsFuncArrays(const Standard_Real ta, | |
565 | const Standard_Real tb) | |
7fd59977 | 566 | { |
567 | IntTools_CArray1OfReal anArgs, aFunc; | |
568 | Standard_Integer i, aNb, pri; | |
569 | Standard_Real t, f, f1; | |
570 | // | |
571 | // Prepare values of arguments for the interval [ta, tb] | |
572 | pri=IntTools::PrepareArgs (myC, tb, ta, myDiscret, myDeflection, anArgs); | |
573 | ||
574 | if (pri) { | |
575 | myErrorStatus=8; | |
576 | return; | |
577 | } | |
578 | //... | |
579 | aNb=anArgs.Length(); | |
580 | ||
581 | if (!aNb){ | |
582 | myErrorStatus=9; | |
583 | return; | |
584 | } | |
585 | // | |
586 | // Prepare values of functions for the interval [ta, tb] | |
587 | aFunc.Resize(aNb); | |
588 | for (i=0; i<aNb; i++) { | |
589 | t=anArgs(i); | |
590 | f1=DistanceFunction(t); | |
591 | f=f1+myCriteria; | |
592 | ||
593 | if (myErrorStatus==11) | |
594 | return; | |
595 | ||
596 | if (f1 < myEpsNull) { | |
597 | f=0.; | |
598 | } | |
599 | aFunc(i)=f; | |
600 | } | |
601 | // | |
602 | // Add points where the derivative = 0 | |
603 | AddDerivativePoints(anArgs, aFunc); | |
604 | ||
605 | } | |
7fd59977 | 606 | //======================================================================= |
607 | //function : AddDerivativePoints | |
608 | //purpose : | |
609 | //======================================================================= | |
e30616a7 | 610 | void IntTools_EdgeFace::AddDerivativePoints |
611 | (const IntTools_CArray1OfReal& t, | |
612 | const IntTools_CArray1OfReal& f) | |
7fd59977 | 613 | { |
614 | Standard_Integer i, j, n, k, nn=100; | |
615 | Standard_Real fr, tr, tr1, dEpsNull=10.*myEpsNull; | |
616 | IntTools_CArray1OfReal fd; | |
617 | TColStd_SequenceOfReal aTSeq, aFSeq; | |
618 | ||
619 | n=t.Length(); | |
620 | fd.Resize(n+1); | |
621 | // | |
622 | // Table of derivatives | |
623 | Standard_Real dfx, tx, tx1, fx, fx1, dt=1.e-6; | |
624 | // Left limit | |
625 | tx=t(0); | |
626 | tx1=tx+dt; | |
627 | fx=f(0); | |
628 | fx1=DistanceFunction(tx1); | |
629 | fx1=fx1+myCriteria; | |
630 | if (fx1 < myEpsNull) { | |
631 | fx1=0.; | |
632 | } | |
633 | dfx=(fx1-fx)/dt; | |
634 | fd(0)=dfx; | |
635 | ||
636 | if (fabs(fd(0)) < dEpsNull){ | |
637 | fd(0)=0.; | |
638 | } | |
639 | ||
640 | ||
641 | k=n-1; | |
642 | for (i=1; i<k; i++) { | |
7fd59977 | 643 | fd(i)=.5*(f(i+1)-f(i-1))/(t(i)-t(i-1)); |
644 | if (fabs(fd(i)) < dEpsNull){ | |
645 | fd(i)=0.; | |
646 | } | |
647 | } | |
648 | // Right limit | |
649 | tx=t(n-1); | |
650 | tx1=tx-dt; | |
651 | fx=f(n-1); | |
652 | fx1=DistanceFunction(tx1); | |
653 | fx1=fx1+myCriteria; | |
654 | if (fx1 < myEpsNull) { | |
655 | fx1=0.; | |
656 | } | |
657 | dfx=(fx-fx1)/dt; | |
658 | fd(n-1)=dfx; | |
659 | ||
660 | if (fabs(fd(n-1)) < dEpsNull){ | |
661 | fd(n-1)=0.; | |
662 | } | |
663 | // | |
664 | // Finding the range where the derivatives have different signs | |
665 | // for neighbouring points | |
666 | for (i=1; i<n; i++) { | |
667 | Standard_Real fd1, fd2, t1, t2; | |
668 | t1 =t(i-1); | |
669 | t2 =t(i); | |
670 | fd1=fd(i-1); | |
671 | fd2=fd(i); | |
672 | ||
673 | if (fd1*fd2 < 0.) { | |
674 | if (fabs(fd1) < myEpsNull) { | |
e30616a7 | 675 | tr=t1; |
676 | fr=DistanceFunction(tr);//fd1; | |
7fd59977 | 677 | } |
678 | else if (fabs(fd2) < myEpsNull) { | |
e30616a7 | 679 | tr=t2; |
680 | fr=DistanceFunction(tr); | |
7fd59977 | 681 | } |
682 | else { | |
e30616a7 | 683 | tr=FindSimpleRoot(2, t1, t2, fd1); |
684 | fr=DistanceFunction(tr); | |
7fd59977 | 685 | } |
686 | ||
687 | aTSeq.Append(tr); | |
688 | aFSeq.Append(fr); | |
689 | } | |
690 | } // end of for (i=1; i<n; i++) | |
691 | // | |
692 | // remove identical t, f | |
693 | nn=aTSeq.Length(); | |
694 | if (nn) { | |
695 | for (i=1; i<=aTSeq.Length(); i++) { | |
696 | tr=aTSeq(i); | |
697 | for (j=0; j<n; j++) { | |
e30616a7 | 698 | tr1=t(j); |
699 | if (fabs (tr1-tr) < myEpsT) { | |
700 | aTSeq.Remove(i); | |
701 | aFSeq.Remove(i); | |
702 | } | |
7fd59977 | 703 | } |
704 | } | |
705 | nn=aTSeq.Length(); | |
706 | } | |
707 | // | |
708 | // sorting args and funcs in increasing order | |
709 | if (nn) { | |
710 | k=nn+n; | |
711 | IntTools_Array1OfRange anArray1OfRange(1, k); | |
712 | for (i=1; i<=n; i++) { | |
713 | anArray1OfRange(i).SetFirst(t(i-1)); | |
714 | anArray1OfRange(i).SetLast (f(i-1)); | |
715 | } | |
716 | for (i=1; i<=nn; i++) { | |
717 | anArray1OfRange(n+i).SetFirst(aTSeq(i)); | |
718 | anArray1OfRange(n+i).SetLast (aFSeq(i)); | |
719 | } | |
720 | ||
721 | IntTools_QuickSortRange aQuickSortRange; | |
722 | IntTools_CompareRange aComparator; | |
723 | aQuickSortRange.Sort (anArray1OfRange, aComparator); | |
724 | ||
725 | // filling the output arrays | |
726 | myArgsArray.Resize(k); | |
727 | myFuncArray.Resize(k); | |
728 | for (i=1; i<=k; i++) { | |
729 | myArgsArray(i-1)=anArray1OfRange(i).First(); | |
730 | myFuncArray(i-1)=anArray1OfRange(i).Last (); | |
731 | } | |
732 | } | |
733 | ||
734 | else { // nn=0 | |
735 | myArgsArray.Resize(n); | |
736 | myFuncArray.Resize(n); | |
737 | for (i=0; i<n; i++) { | |
738 | myArgsArray(i)=t(i); | |
739 | myFuncArray(i)=f(i); | |
740 | } | |
741 | } | |
742 | } | |
743 | ||
744 | //======================================================================= | |
745 | //function : DerivativeFunction | |
746 | //purpose : | |
747 | //======================================================================= | |
e30616a7 | 748 | Standard_Real IntTools_EdgeFace::DerivativeFunction |
749 | (const Standard_Real t2) | |
7fd59977 | 750 | { |
751 | Standard_Real t1, t3, aD1, aD2, aD3; | |
752 | Standard_Real dt=1.e-9; | |
753 | t1=t2-dt; | |
754 | aD1=DistanceFunction(t1); | |
755 | t3=t2+dt; | |
756 | aD3=DistanceFunction(t3); | |
757 | ||
758 | aD2=.5*(aD3-aD1)/dt; | |
759 | return aD2; | |
760 | } | |
761 | ||
762 | //======================================================================= | |
763 | //function : FindSimpleRoot | |
764 | //purpose : [private] | |
765 | //======================================================================= | |
e30616a7 | 766 | Standard_Real IntTools_EdgeFace::FindSimpleRoot |
767 | (const Standard_Integer IP, | |
768 | const Standard_Real tA, | |
769 | const Standard_Real tB, | |
770 | const Standard_Real fA) | |
7fd59977 | 771 | { |
772 | Standard_Real r, a, b, y, x0, s; | |
773 | ||
774 | a=tA; b=tB; r=fA; | |
775 | ||
302f96fb | 776 | for(;;) { |
7fd59977 | 777 | x0=.5*(a+b); |
778 | ||
779 | if (IP==1) | |
780 | y=DistanceFunction(x0); | |
781 | else | |
782 | y=DerivativeFunction(x0); | |
783 | ||
784 | if (fabs(b-a) < myEpsT || y==0.) { | |
785 | return x0; | |
786 | } | |
787 | ||
788 | ||
789 | s=y*r; | |
790 | ||
791 | if (s<0.) { | |
792 | b=x0; | |
793 | continue; | |
794 | } | |
795 | ||
796 | if (s>0.) { | |
797 | a=x0; r=y; | |
798 | } | |
799 | } | |
800 | } | |
801 | //======================================================================= | |
802 | //function : FindGoldRoot | |
803 | //purpose : [private] | |
804 | //======================================================================= | |
e30616a7 | 805 | Standard_Real IntTools_EdgeFace::FindGoldRoot |
806 | (const Standard_Real tA, | |
807 | const Standard_Real tB, | |
808 | const Standard_Real coeff) | |
7fd59977 | 809 | { |
810 | Standard_Real gs=0.61803399; | |
811 | Standard_Real a, b, xp, xl, yp, yl; | |
812 | ||
813 | a=tA; b=tB; | |
814 | ||
815 | xp=a+(b-a)*gs; | |
816 | xl=b-(b-a)*gs; | |
817 | yp=coeff*DistanceFunction(xp); | |
818 | yl=coeff*DistanceFunction(xl); | |
819 | ||
820 | ||
302f96fb | 821 | for(;;) { |
7fd59977 | 822 | |
823 | if (fabs(b-a) < myEpsT) { | |
824 | return .5*(b+a); | |
825 | } | |
826 | ||
827 | if (yp < yl) { | |
828 | a=xl; | |
829 | xl=xp; | |
830 | xp=a+(b-a)*gs; | |
831 | yp=coeff*DistanceFunction(xp); | |
832 | } | |
833 | ||
834 | else { | |
835 | b=xp; | |
836 | xp=xl; | |
837 | yp=yl; | |
838 | xl=b-(b-a)*gs; | |
839 | yl=coeff*DistanceFunction(xl); | |
840 | } | |
841 | } | |
842 | } | |
843 | ||
844 | //======================================================================= | |
845 | //function : MakeType | |
846 | //purpose : | |
847 | //======================================================================= | |
e30616a7 | 848 | Standard_Integer IntTools_EdgeFace::MakeType |
849 | (IntTools_CommonPrt& aCommonPrt) | |
7fd59977 | 850 | { |
851 | Standard_Real af1, al1; | |
295cb053 | 852 | Standard_Real df1, tm; |
7fd59977 | 853 | Standard_Boolean bAllNullFlag; |
854 | // | |
855 | bAllNullFlag=aCommonPrt.AllNullFlag(); | |
856 | if (bAllNullFlag) { | |
857 | aCommonPrt.SetType(TopAbs_EDGE); | |
858 | return 0; | |
859 | } | |
860 | // | |
861 | aCommonPrt.Range1(af1, al1); | |
862 | ||
863 | { | |
864 | gp_Pnt aPF, aPL; | |
865 | myC.D0(af1, aPF); | |
866 | myC.D0(al1, aPL); | |
867 | df1=aPF.Distance(aPL); | |
868 | Standard_Boolean isWholeRange = Standard_False; | |
869 | ||
870 | if((Abs(af1 - myRange.First()) < myC.Resolution(myCriteria)) && | |
871 | (Abs(al1 - myRange.Last()) < myC.Resolution(myCriteria))) | |
872 | isWholeRange = Standard_True; | |
e30616a7 | 873 | |
7fd59977 | 874 | |
875 | if ((df1 > myCriteria * 2.) && isWholeRange) { | |
876 | aCommonPrt.SetType(TopAbs_EDGE); | |
877 | } | |
878 | else { | |
879 | if(isWholeRange) { | |
e30616a7 | 880 | tm = (af1 + al1) * 0.5; |
881 | ||
882 | if(aPF.Distance(myC.Value(tm)) > myCriteria * 2.) { | |
883 | aCommonPrt.SetType(TopAbs_EDGE); | |
884 | return 0; | |
885 | } | |
7fd59977 | 886 | } |
e30616a7 | 887 | |
7fd59977 | 888 | if(!CheckTouch(aCommonPrt, tm)) { |
e30616a7 | 889 | tm = (af1 + al1) * 0.5; |
7fd59977 | 890 | } |
891 | aCommonPrt.SetType(TopAbs_VERTEX); | |
892 | aCommonPrt.SetVertexParameter1(tm); | |
893 | aCommonPrt.SetRange1 (af1, al1); | |
894 | } | |
7fd59977 | 895 | } |
e30616a7 | 896 | return 0; |
7fd59977 | 897 | } |
898 | ||
899 | ||
900 | //======================================================================= | |
901 | //function : IsIntersection | |
902 | //purpose : | |
903 | //======================================================================= | |
e30616a7 | 904 | void IntTools_EdgeFace::IsIntersection (const Standard_Real ta, |
905 | const Standard_Real tb) | |
7fd59977 | 906 | { |
907 | IntTools_CArray1OfReal anArgs, aFunc; | |
96a95605 | 908 | Standard_Integer i, aNb, aCnt=0; |
7fd59977 | 909 | // |
910 | Standard_Integer aCntIncreasing=1, aCntDecreasing=1; | |
911 | Standard_Real t, f, f1; | |
912 | // | |
913 | // Prepare values of arguments for the interval [ta, tb] | |
96a95605 | 914 | IntTools::PrepareArgs (myC, tb, ta, myDiscret, myDeflection, anArgs); |
7fd59977 | 915 | aNb=anArgs.Length(); |
916 | ||
917 | aFunc.Resize(aNb); | |
918 | for (i=0; i<aNb; i++) { | |
919 | t=anArgs(i); | |
920 | ||
921 | f1=DistanceFunction(t); | |
922 | f=f1+myCriteria; | |
923 | ||
924 | if (fabs(f1) < myEpsNull) { | |
925 | aCnt++; | |
926 | f=0.; | |
927 | } | |
928 | aFunc(i)=f; | |
929 | // | |
930 | if (i) { | |
931 | if (aFunc(i)>aFunc(i-1)) { | |
e30616a7 | 932 | aCntIncreasing++; |
7fd59977 | 933 | } |
934 | if (aFunc(i)<aFunc(i-1)) { | |
e30616a7 | 935 | aCntDecreasing++; |
7fd59977 | 936 | } |
937 | } | |
938 | // | |
939 | } | |
940 | ||
941 | if (aCnt==aNb) { | |
942 | myParallel=Standard_True; | |
943 | return; | |
944 | } | |
945 | ||
946 | FindDerivativeRoot(anArgs, aFunc); | |
947 | ||
948 | // | |
949 | if (myParallel) { | |
950 | if (!(myC.GetType()==GeomAbs_Line | |
e30616a7 | 951 | && |
952 | myS.GetType()==GeomAbs_Cylinder)) { | |
7fd59977 | 953 | if (aCntDecreasing==aNb) { |
e30616a7 | 954 | myPar1=anArgs(aNb-1); |
955 | myParallel=Standard_False; | |
7fd59977 | 956 | } |
957 | if (aCntIncreasing==aNb) { | |
e30616a7 | 958 | myPar1=anArgs(0); |
959 | myParallel=Standard_False; | |
7fd59977 | 960 | } |
961 | } | |
962 | } | |
963 | // | |
964 | return ; | |
965 | } | |
966 | ||
967 | //======================================================================= | |
968 | //function : FindDerivativeRoot | |
969 | //purpose : | |
970 | //======================================================================= | |
e30616a7 | 971 | void IntTools_EdgeFace::FindDerivativeRoot |
972 | (const IntTools_CArray1OfReal& t, | |
973 | const IntTools_CArray1OfReal& f) | |
7fd59977 | 974 | { |
975 | Standard_Integer i, n, k; | |
96a95605 | 976 | Standard_Real tr; |
7fd59977 | 977 | IntTools_CArray1OfReal fd; |
978 | TColStd_SequenceOfReal aTSeq, aFSeq; | |
979 | ||
980 | myPar1=0.; | |
981 | myParallel=Standard_True; | |
982 | ||
983 | n=t.Length(); | |
984 | fd.Resize(n+1); | |
985 | // | |
986 | // Table of derivatives | |
987 | fd(0)=(f(1)-f(0))/(t(1)-t(0)); | |
988 | if (fabs(fd(0)) < myEpsNull) { | |
989 | fd(0)=0.; | |
990 | } | |
991 | ||
992 | k=n-1; | |
993 | for (i=1; i<k; i++) { | |
994 | fd(i)=.5*(f(i+1)-f(i-1))/(t(i)-t(i-1)); | |
995 | if (fabs(fd(i)) < myEpsNull) { | |
996 | fd(i)=0.; | |
997 | } | |
998 | } | |
999 | ||
1000 | fd(n-1)=(f(n-1)-f(n-2))/(t(n-1)-t(n-2)); | |
1001 | if (fabs(fd(n-1)) < myEpsNull) { | |
1002 | fd(n-1)=0.; | |
1003 | } | |
1004 | // | |
1005 | // Finding the range where the derivatives have different signs | |
1006 | // for neighbouring points | |
1007 | for (i=1; i<n; i++) { | |
1008 | Standard_Real fd1, fd2, t1, t2, fabsfd1, fabsfd2; | |
1009 | Standard_Boolean bF1, bF2; | |
1010 | t1 =t(i-1); | |
1011 | t2 =t(i); | |
1012 | fd1=fd(i-1); | |
1013 | fd2=fd(i); | |
1014 | ||
1015 | fabsfd1=fabs(fd1); | |
1016 | bF1=fabsfd1 < myEpsNull; | |
1017 | ||
1018 | fabsfd2=fabs(fd2); | |
1019 | bF2=fabsfd2 < myEpsNull; | |
1020 | // | |
1021 | if (fd1*fd2 < 0.) { | |
1022 | tr=FindSimpleRoot(2, t1, t2, fd1); | |
96a95605 | 1023 | DistanceFunction(tr); |
7fd59977 | 1024 | myPar1=tr; |
1025 | myParallel=Standard_False; | |
1026 | break; | |
1027 | } | |
1028 | ||
1029 | if (!bF1 && bF2) { | |
1030 | tr=t2; | |
7fd59977 | 1031 | myPar1=tr; |
1032 | myParallel=Standard_False; | |
1033 | break; | |
1034 | } | |
1035 | ||
1036 | if (bF1 && !bF2) { | |
1037 | tr=t1; | |
7fd59977 | 1038 | myPar1=tr; |
1039 | myParallel=Standard_False; | |
1040 | break; | |
1041 | } | |
1042 | ||
1043 | } | |
1044 | } | |
1045 | //======================================================================= | |
1046 | //function : RemoveIdenticalRoots | |
1047 | //purpose : | |
1048 | //======================================================================= | |
e30616a7 | 1049 | void IntTools_EdgeFace::RemoveIdenticalRoots() |
7fd59977 | 1050 | { |
1051 | Standard_Integer aNbRoots, j, k; | |
1052 | ||
1053 | aNbRoots=mySequenceOfRoots.Length(); | |
1054 | for (j=1; j<=aNbRoots; j++) { | |
1055 | const IntTools_Root& aRj=mySequenceOfRoots(j); | |
1056 | for (k=j+1; k<=aNbRoots; k++) { | |
1057 | const IntTools_Root& aRk=mySequenceOfRoots(k); | |
1058 | ||
1059 | Standard_Real aTj, aTk, aDistance; | |
1060 | gp_Pnt aPj, aPk; | |
1061 | ||
1062 | aTj=aRj.Root(); | |
1063 | aTk=aRk.Root(); | |
1064 | ||
1065 | myC.D0(aTj, aPj); | |
1066 | myC.D0(aTk, aPk); | |
1067 | ||
1068 | aDistance=aPj.Distance(aPk); | |
1069 | if (aDistance < myCriteria) { | |
e30616a7 | 1070 | mySequenceOfRoots.Remove(k); |
1071 | aNbRoots=mySequenceOfRoots.Length(); | |
7fd59977 | 1072 | } |
1073 | } | |
1074 | } | |
1075 | } | |
1076 | ||
1077 | //======================================================================= | |
1078 | //function : CheckTouch | |
1079 | //purpose : | |
1080 | //======================================================================= | |
e30616a7 | 1081 | Standard_Boolean IntTools_EdgeFace::CheckTouch |
1082 | (const IntTools_CommonPrt& aCP, | |
1083 | Standard_Real& aTx) | |
7fd59977 | 1084 | { |
1085 | Standard_Real aTF, aTL, Tol, U1f, U1l, V1f, V1l, af, al,aDist2, aMinDist2; | |
1086 | Standard_Boolean theflag=Standard_False; | |
1087 | Standard_Integer aNbExt, i, iLower ; | |
1088 | ||
1089 | aCP.Range1(aTF, aTL); | |
1090 | ||
1091 | // | |
1092 | Standard_Real aCR; | |
1093 | aCR=myC.Resolution(myCriteria); | |
1094 | if((Abs(aTF - myRange.First()) < aCR) && | |
1095 | (Abs(aTL - myRange.Last()) < aCR)) { | |
1096 | return theflag; // EDGE | |
1097 | } | |
1098 | // | |
1099 | ||
1100 | Tol = Precision::PConfusion(); | |
1101 | ||
1102 | const Handle(Geom_Curve)& Curve =BRep_Tool::Curve (myC.Edge(), af, al); | |
1103 | const Handle(Geom_Surface)& Surface=BRep_Tool::Surface(myS.Face()); | |
1104 | // Surface->Bounds(U1f,U1l,V1f,V1l); | |
1105 | U1f = myS.FirstUParameter(); | |
1106 | U1l = myS.LastUParameter(); | |
1107 | V1f = myS.FirstVParameter(); | |
1108 | V1l = myS.LastVParameter(); | |
1109 | ||
1110 | GeomAdaptor_Curve TheCurve (Curve,aTF, aTL); | |
1111 | GeomAdaptor_Surface TheSurface (Surface, U1f, U1l, V1f, V1l); | |
e30616a7 | 1112 | |
7fd59977 | 1113 | Extrema_ExtCS anExtrema (TheCurve, TheSurface, Tol, Tol); |
1114 | ||
1115 | aDist2 = 1.e100; | |
1116 | ||
1117 | if(anExtrema.IsDone()) { | |
1118 | aMinDist2 = aDist2; | |
1119 | ||
1120 | if(!anExtrema.IsParallel()) { | |
1121 | aNbExt=anExtrema.NbExt(); | |
1122 | ||
1123 | if(aNbExt > 0) { | |
e30616a7 | 1124 | iLower=1; |
1125 | for (i=1; i<=aNbExt; i++) { | |
1126 | aDist2=anExtrema.SquareDistance(i); | |
1127 | if (aDist2 < aMinDist2) { | |
1128 | aMinDist2=aDist2; | |
1129 | iLower=i; | |
1130 | } | |
1131 | } | |
1132 | aDist2=anExtrema.SquareDistance(iLower); | |
1133 | Extrema_POnCurv aPOnC; | |
1134 | Extrema_POnSurf aPOnS; | |
1135 | anExtrema.Points(iLower, aPOnC, aPOnS); | |
1136 | aTx=aPOnC.Parameter(); | |
7fd59977 | 1137 | } |
1138 | else { | |
e30616a7 | 1139 | // modified by NIZHNY-MKK Thu Jul 21 11:35:32 2005.BEGIN |
1140 | IntCurveSurface_HInter anExactIntersector; | |
7fd59977 | 1141 | |
e30616a7 | 1142 | Handle(GeomAdaptor_HCurve) aCurve = new GeomAdaptor_HCurve(TheCurve); |
1143 | Handle(GeomAdaptor_HSurface) aSurface = new GeomAdaptor_HSurface(TheSurface); | |
1144 | ||
1145 | anExactIntersector.Perform(aCurve, aSurface); | |
7fd59977 | 1146 | |
e30616a7 | 1147 | if(anExactIntersector.IsDone()) { |
1148 | Standard_Integer i = 0; | |
7fd59977 | 1149 | |
e30616a7 | 1150 | for(i = 1; i <= anExactIntersector.NbPoints(); i++) { |
1151 | const IntCurveSurface_IntersectionPoint& aPoint = anExactIntersector.Point(i); | |
7fd59977 | 1152 | |
e30616a7 | 1153 | if((aPoint.W() >= aTF) && (aPoint.W() <= aTL)) { |
1154 | aDist2=0.; | |
1155 | aTx = aPoint.W(); | |
1156 | } | |
1157 | } | |
1158 | } | |
1159 | // modified by NIZHNY-MKK Thu Jul 21 11:35:40 2005.END | |
7fd59977 | 1160 | } |
1161 | } | |
1162 | else { | |
1163 | return theflag; | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | Standard_Real aBoundaryDist; | |
1168 | ||
1169 | aBoundaryDist = DistanceFunction(aTF) + myCriteria; | |
1170 | if(aBoundaryDist * aBoundaryDist < aDist2) { | |
1171 | aDist2 = aBoundaryDist * aBoundaryDist; | |
1172 | aTx = aTF; | |
1173 | } | |
1174 | ||
1175 | aBoundaryDist = DistanceFunction(aTL) + myCriteria; | |
1176 | if(aBoundaryDist * aBoundaryDist < aDist2) { | |
1177 | aDist2 = aBoundaryDist * aBoundaryDist; | |
1178 | aTx = aTL; | |
1179 | } | |
1180 | ||
1181 | Standard_Real aParameter = (aTF + aTL) * 0.5; | |
1182 | aBoundaryDist = DistanceFunction(aParameter) + myCriteria; | |
1183 | if(aBoundaryDist * aBoundaryDist < aDist2) { | |
1184 | aDist2 = aBoundaryDist * aBoundaryDist; | |
1185 | aTx = aParameter; | |
1186 | } | |
1187 | ||
1188 | if(aDist2 > myCriteria * myCriteria) { | |
1189 | return theflag; | |
1190 | } | |
1191 | ||
1192 | if (fabs (aTx-aTF) < myEpsT) { | |
1193 | return !theflag; | |
1194 | } | |
1195 | ||
1196 | if (fabs (aTx-aTL) < myEpsT) { | |
1197 | return !theflag; | |
1198 | } | |
1199 | ||
1200 | if (aTx>aTF && aTx<aTL) { | |
1201 | return !theflag; | |
1202 | } | |
1203 | ||
1204 | return theflag; | |
1205 | } | |
7fd59977 | 1206 | //======================================================================= |
1207 | //function : Perform | |
1208 | //purpose : | |
1209 | //======================================================================= | |
e30616a7 | 1210 | void IntTools_EdgeFace::Perform() |
7fd59977 | 1211 | { |
1212 | Standard_Integer i, aNb; | |
1213 | IntTools_CommonPrt aCommonPrt; | |
7fd59977 | 1214 | // |
4f189102 | 1215 | aCommonPrt.SetEdge1(myEdge); |
7fd59977 | 1216 | // |
1217 | myErrorStatus=0; | |
1218 | CheckData(); | |
4f189102 | 1219 | if (myErrorStatus) { |
7fd59977 | 1220 | return; |
4f189102 P |
1221 | } |
1222 | // | |
1223 | if (myContext.IsNull()) { | |
1e143abb | 1224 | myContext=new IntTools_Context; |
4f189102 P |
1225 | } |
1226 | // | |
7fd59977 | 1227 | myIsDone = Standard_False; |
1228 | myC.Initialize(myEdge); | |
1229 | GeomAbs_CurveType aCurveType; | |
1230 | aCurveType=myC.GetType(); | |
1231 | // | |
1232 | // Prepare myCriteria | |
1233 | if (aCurveType==GeomAbs_BSplineCurve|| | |
e30616a7 | 1234 | aCurveType==GeomAbs_BezierCurve) { |
7fd59977 | 1235 | //--- 5112 |
1236 | Standard_Real diff1 = (myTolE/myTolF); | |
1237 | Standard_Real diff2 = (myTolF/myTolE); | |
1238 | if( diff1 > 100 || diff2 > 100 ) { | |
1239 | myCriteria = Max(myTolE,myTolF); | |
1240 | } | |
1241 | else //--- 5112 | |
1242 | myCriteria=1.5*myTolE+myTolF; | |
1243 | } | |
1244 | else { | |
1245 | myCriteria=myTolE+myTolF; | |
1246 | } | |
e30616a7 | 1247 | |
7fd59977 | 1248 | myTmin=myRange.First(); |
1249 | myTmax=myRange.Last(); | |
e30616a7 | 1250 | |
7fd59977 | 1251 | myS.Initialize (myFace,Standard_True); |
e30616a7 | 1252 | |
4f189102 | 1253 | if(myContext.IsNull()) { |
7fd59977 | 1254 | myFClass2d.Init(myFace, 1.e-6); |
1255 | } | |
e30616a7 | 1256 | |
7fd59977 | 1257 | IntTools_BeanFaceIntersector anIntersector(myC, myS, myTolE, myTolF); |
1258 | anIntersector.SetBeanParameters(myRange.First(), myRange.Last()); | |
1259 | // | |
1260 | anIntersector.SetContext(myContext); | |
1261 | // | |
1262 | anIntersector.Perform(); | |
e30616a7 | 1263 | |
7fd59977 | 1264 | if(!anIntersector.IsDone()) { |
1265 | return; | |
1266 | } | |
e30616a7 | 1267 | |
7fd59977 | 1268 | for(Standard_Integer r = 1; r <= anIntersector.Result().Length(); r++) { |
1269 | const IntTools_Range& aRange = anIntersector.Result().Value(r); | |
1270 | ||
1271 | if(IsProjectable(IntTools_Tools::IntermediatePoint(aRange.First(), aRange.Last()))) { | |
1272 | aCommonPrt.SetRange1(aRange.First(), aRange.Last()); | |
1273 | mySeqOfCommonPrts.Append(aCommonPrt); | |
1274 | } | |
1275 | } | |
1276 | ||
1277 | aNb = mySeqOfCommonPrts.Length(); | |
1278 | ||
1279 | for (i=1; i<=aNb; i++) { | |
1280 | IntTools_CommonPrt& aCP=mySeqOfCommonPrts.ChangeValue(i); | |
1281 | // | |
1282 | Standard_Real aTx1, aTx2; | |
1283 | gp_Pnt aPx1, aPx2; | |
1284 | // | |
1285 | aCP.Range1(aTx1, aTx2); | |
1286 | myC.D0(aTx1, aPx1); | |
1287 | myC.D0(aTx2, aPx2); | |
1288 | aCP.SetBoundingPoints(aPx1, aPx2); | |
1289 | // | |
1290 | MakeType (aCP); | |
1291 | } | |
1292 | { | |
1293 | // Line\Cylinder's Common Parts treatement | |
1294 | GeomAbs_CurveType aCType; | |
1295 | GeomAbs_SurfaceType aSType; | |
1296 | TopAbs_ShapeEnum aType; | |
1297 | Standard_Boolean bIsTouch; | |
1298 | Standard_Real aTx; | |
e30616a7 | 1299 | |
7fd59977 | 1300 | aCType=myC.GetType(); |
1301 | aSType=myS.GetType(); | |
1302 | ||
1303 | if (aCType==GeomAbs_Line && aSType==GeomAbs_Cylinder) { | |
1304 | for (i=1; i<=aNb; i++) { | |
e30616a7 | 1305 | IntTools_CommonPrt& aCP=mySeqOfCommonPrts(i); |
1306 | aType=aCP.Type(); | |
1307 | if (aType==TopAbs_EDGE) { | |
1308 | bIsTouch=CheckTouch (aCP, aTx); | |
1309 | if (bIsTouch) { | |
1310 | aCP.SetType(TopAbs_VERTEX); | |
1311 | aCP.SetVertexParameter1(aTx); | |
1312 | aCP.SetRange1 (aTx, aTx); | |
1313 | } | |
1314 | } | |
1315 | if (aType==TopAbs_VERTEX) { | |
1316 | bIsTouch=CheckTouchVertex (aCP, aTx); | |
1317 | if (bIsTouch) { | |
1318 | aCP.SetVertexParameter1(aTx); | |
1319 | aCP.SetRange1 (aTx, aTx); | |
1320 | } | |
1321 | } | |
7fd59977 | 1322 | } |
1323 | } | |
e30616a7 | 1324 | |
7fd59977 | 1325 | // Circle\Plane's Common Parts treatement |
1326 | ||
1327 | if (aCType==GeomAbs_Circle && aSType==GeomAbs_Plane) { | |
1328 | Standard_Boolean bIsCoplanar, bIsRadius; | |
1329 | bIsCoplanar=IsCoplanar(myC, myS); | |
1330 | bIsRadius=IsRadius(myC, myS); | |
1331 | if (!bIsCoplanar && !bIsRadius) { | |
e30616a7 | 1332 | for (i=1; i<=aNb; i++) { |
1333 | IntTools_CommonPrt& aCP=mySeqOfCommonPrts(i); | |
1334 | aType=aCP.Type(); | |
1335 | if (aType==TopAbs_EDGE) { | |
1336 | bIsTouch=CheckTouch (aCP, aTx); | |
1337 | if (bIsTouch) { | |
1338 | aCP.SetType(TopAbs_VERTEX); | |
1339 | aCP.SetVertexParameter1(aTx); | |
1340 | aCP.SetRange1 (aTx, aTx); | |
1341 | } | |
1342 | } | |
1343 | } | |
7fd59977 | 1344 | } |
1345 | } | |
1346 | } | |
1347 | myIsDone=Standard_True; | |
1348 | } | |
1349 | ||
1350 | // | |
1351 | // myErrorStatus | |
1352 | // 1 - the method Perform() is not invoked | |
1353 | // 2,3,4,5 -the method CheckData() fails | |
1354 | // 6 - PrepareArgs() problems | |
1355 | // 7 - No Projectable ranges | |
1356 | // 8,9 - PrepareArgs() problems occured inside projectable Ranges | |
1357 | // 11 - can't fill array aFunc(i) in PrepareArgsFuncArrays | |
1358 | ||
1359 | ||
1360 | //======================================================================= | |
1361 | //function : CheckTouch | |
1362 | //purpose : | |
1363 | //======================================================================= | |
e30616a7 | 1364 | Standard_Boolean IntTools_EdgeFace::CheckTouchVertex |
1365 | (const IntTools_CommonPrt& aCP, | |
1366 | Standard_Real& aTx) | |
7fd59977 | 1367 | { |
1368 | Standard_Real aTF, aTL, Tol, U1f,U1l,V1f,V1l, af, al,aDist2, aMinDist2, aTm, aDist2New; | |
ddd95bbf | 1369 | Standard_Real aEpsT; |
7fd59977 | 1370 | Standard_Boolean theflag=Standard_False; |
1371 | Standard_Integer aNbExt, i, iLower ; | |
1372 | ||
1373 | aCP.Range1(aTF, aTL); | |
ddd95bbf | 1374 | aEpsT=8.e-5; |
7fd59977 | 1375 | aTm=0.5*(aTF+aTL); |
1376 | aDist2=DistanceFunction(aTm); | |
1377 | aDist2 *= aDist2; | |
1378 | ||
1379 | Tol = Precision::PConfusion(); | |
1380 | ||
1381 | const Handle(Geom_Curve)& Curve =BRep_Tool::Curve (myC.Edge(), af, al); | |
1382 | const Handle(Geom_Surface)& Surface=BRep_Tool::Surface(myS.Face()); | |
1383 | ||
1384 | Surface->Bounds(U1f,U1l,V1f,V1l); | |
1385 | ||
1386 | GeomAdaptor_Curve TheCurve (Curve,aTF, aTL); | |
1387 | GeomAdaptor_Surface TheSurface (Surface, U1f, U1l, V1f, V1l); | |
e30616a7 | 1388 | |
7fd59977 | 1389 | Extrema_ExtCS anExtrema (TheCurve, TheSurface, Tol, Tol); |
1390 | ||
1391 | if(!anExtrema.IsDone()) { | |
1392 | return theflag; | |
1393 | } | |
1394 | if (anExtrema.IsParallel()) { | |
1395 | return theflag; | |
1396 | } | |
1397 | ||
1398 | aNbExt=anExtrema.NbExt() ; | |
1399 | if (!aNbExt) { | |
1400 | return theflag; | |
1401 | } | |
1402 | ||
1403 | iLower=1; | |
1404 | aMinDist2=1.e100; | |
1405 | for (i=1; i<=aNbExt; ++i) { | |
1406 | aDist2=anExtrema.SquareDistance(i); | |
1407 | if (aDist2 < aMinDist2) { | |
1408 | aMinDist2=aDist2; | |
1409 | iLower=i; | |
1410 | } | |
1411 | } | |
1412 | ||
1413 | aDist2New=anExtrema.SquareDistance(iLower); | |
1414 | ||
1415 | if (aDist2New > aDist2) { | |
1416 | aTx=aTm; | |
1417 | return !theflag; | |
1418 | } | |
1419 | ||
1420 | if (aDist2New > myCriteria * myCriteria) { | |
1421 | return theflag; | |
1422 | } | |
1423 | ||
1424 | Extrema_POnCurv aPOnC; | |
1425 | Extrema_POnSurf aPOnS; | |
1426 | anExtrema.Points(iLower, aPOnC, aPOnS); | |
1427 | ||
ddd95bbf | 1428 | |
7fd59977 | 1429 | aTx=aPOnC.Parameter(); |
ddd95bbf | 1430 | /// |
1431 | if (fabs (aTx-aTF) < aEpsT) { | |
1432 | return theflag; | |
7fd59977 | 1433 | } |
1434 | ||
ddd95bbf | 1435 | if (fabs (aTx-aTL) < aEpsT) { |
1436 | return theflag; | |
7fd59977 | 1437 | } |
1438 | ||
1439 | if (aTx>aTF && aTx<aTL) { | |
1440 | return !theflag; | |
1441 | } | |
1442 | ||
1443 | return theflag; | |
1444 | } | |
1445 | ||
1446 | ||
1447 | //======================================================================= | |
1448 | //function : IsCoplanar | |
1449 | //purpose : | |
1450 | //======================================================================= | |
1451 | Standard_Boolean IsCoplanar (const BRepAdaptor_Curve& aCurve , | |
e30616a7 | 1452 | const BRepAdaptor_Surface& aSurface) |
7fd59977 | 1453 | { |
1454 | Standard_Boolean bFlag=Standard_False; | |
1455 | ||
1456 | GeomAbs_CurveType aCType; | |
1457 | GeomAbs_SurfaceType aSType; | |
1458 | ||
1459 | aCType=aCurve.GetType(); | |
1460 | aSType=aSurface.GetType(); | |
1461 | ||
1462 | if (aCType==GeomAbs_Circle && aSType==GeomAbs_Plane) { | |
1463 | gp_Circ aCirc=aCurve.Circle(); | |
1464 | const gp_Ax1& anAx1=aCirc.Axis(); | |
1465 | const gp_Dir& aDirAx1=anAx1.Direction(); | |
1466 | ||
1467 | gp_Pln aPln=aSurface.Plane(); | |
1468 | const gp_Ax1& anAx=aPln.Axis(); | |
1469 | const gp_Dir& aDirPln=anAx.Direction(); | |
1470 | ||
1471 | bFlag=IntTools_Tools::IsDirsCoinside(aDirAx1, aDirPln); | |
1472 | } | |
1473 | return bFlag; | |
1474 | } | |
1475 | //======================================================================= | |
1476 | //function : IsRadius | |
1477 | //purpose : | |
1478 | //======================================================================= | |
1479 | Standard_Boolean IsRadius (const BRepAdaptor_Curve& aCurve , | |
e30616a7 | 1480 | const BRepAdaptor_Surface& aSurface) |
7fd59977 | 1481 | { |
1482 | Standard_Boolean bFlag=Standard_False; | |
1483 | ||
1484 | GeomAbs_CurveType aCType; | |
1485 | GeomAbs_SurfaceType aSType; | |
1486 | ||
1487 | aCType=aCurve.GetType(); | |
1488 | aSType=aSurface.GetType(); | |
1489 | ||
1490 | if (aCType==GeomAbs_Circle && aSType==GeomAbs_Plane) { | |
1491 | gp_Circ aCirc=aCurve.Circle(); | |
1492 | const gp_Pnt aCenter=aCirc.Location(); | |
1493 | Standard_Real aR=aCirc.Radius(); | |
1494 | gp_Pln aPln=aSurface.Plane(); | |
1495 | Standard_Real aD=aPln.Distance(aCenter); | |
1496 | if (fabs (aD-aR) < 1.e-7) { | |
1497 | return !bFlag; | |
1498 | } | |
1499 | } | |
1500 | return bFlag; | |
1501 | } | |
1502 | // | |
1503 | //======================================================================= | |
1504 | //function : AdaptiveDiscret | |
1505 | //purpose : | |
1506 | //======================================================================= | |
1507 | Standard_Integer AdaptiveDiscret (const Standard_Integer iDiscret, | |
e30616a7 | 1508 | const BRepAdaptor_Curve& aCurve , |
1509 | const BRepAdaptor_Surface& aSurface) | |
7fd59977 | 1510 | { |
1511 | Standard_Integer iDiscretNew; | |
1512 | ||
1513 | iDiscretNew=iDiscret; | |
1514 | ||
7fd59977 | 1515 | GeomAbs_SurfaceType aSType; |
1516 | ||
7fd59977 | 1517 | aSType=aSurface.GetType(); |
1518 | ||
1519 | if (aSType==GeomAbs_Cylinder) { | |
96a95605 | 1520 | Standard_Real aELength, aRadius, dLR; |
7fd59977 | 1521 | |
1522 | aELength=IntTools::Length(aCurve.Edge()); | |
7fd59977 | 1523 | |
1524 | gp_Cylinder aCylinder=aSurface.Cylinder(); | |
1525 | aRadius=aCylinder.Radius(); | |
1526 | dLR=2*aRadius; | |
1527 | ||
1528 | iDiscretNew=(Standard_Integer)(aELength/dLR); | |
1529 | ||
1530 | if (iDiscretNew<iDiscret) { | |
1531 | iDiscretNew=iDiscret; | |
1532 | } | |
1533 | ||
1534 | } | |
1535 | return iDiscretNew; | |
1536 | } | |
1537 | ||
1538 | ||
1539 | #ifdef WNT | |
1540 | #pragma warning ( default : 4101 ) | |
1541 | #endif |