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[occt.git] / src / MeshTest / MeshTest.cxx
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b311480e 1// Created on: 1993-09-22
2// Created by: Didier PIFFAULT
3// Copyright (c) 1993-1999 Matra Datavision
4// Copyright (c) 1999-2012 OPEN CASCADE SAS
5//
6// The content of this file is subject to the Open CASCADE Technology Public
7// License Version 6.5 (the "License"). You may not use the content of this file
8// except in compliance with the License. Please obtain a copy of the License
9// at http://www.opencascade.org and read it completely before using this file.
10//
11// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
12// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
13//
14// The Original Code and all software distributed under the License is
15// distributed on an "AS IS" basis, without warranty of any kind, and the
16// Initial Developer hereby disclaims all such warranties, including without
17// limitation, any warranties of merchantability, fitness for a particular
18// purpose or non-infringement. Please see the License for the specific terms
19// and conditions governing the rights and limitations under the License.
20
7fd59977 21
22#include <Standard_Stream.hxx>
23
24#include <stdio.h>
25
26#include <MeshTest.ixx>
27
28#include <MeshTest_DrawableMesh.hxx>
29#include <TopAbs_ShapeEnum.hxx>
30#include <TopoDS.hxx>
31#include <TopoDS_Edge.hxx>
32#include <TopoDS_Face.hxx>
33#include <TopoDS_Shape.hxx>
34#include <TopoDS_Compound.hxx>
35#include <TopExp_Explorer.hxx>
36#include <TopTools_ListIteratorOfListOfShape.hxx>
37#include <DBRep.hxx>
38#include <BRepTest.hxx>
39#include <GeometryTest.hxx>
40#include <BRep_Tool.hxx>
41#include <BRep_Builder.hxx>
42#include <Draw_MarkerShape.hxx>
43#include <Draw_Appli.hxx>
44#include <Draw.hxx>
45#include <DrawTrSurf.hxx>
46#include <BRepMesh_Triangle.hxx>
47#include <BRepMesh_DataStructureOfDelaun.hxx>
48#include <BRepMesh_Delaun.hxx>
49#include <BRepMesh_FastDiscret.hxx>
50#include <BRepMesh_Array1OfVertexOfDelaun.hxx>
51#include <BRepMesh_Vertex.hxx>
52#include <BRepMesh_Edge.hxx>
53#include <BRepMesh_IncrementalMesh.hxx>
54#include <TColStd_ListIteratorOfListOfInteger.hxx>
55#include <TColStd_MapIteratorOfMapOfInteger.hxx>
56#include <Bnd_Box.hxx>
57#include <Precision.hxx>
58#include <Draw_Interpretor.hxx>
59#include <IntPoly_PlaneSection.hxx>
60#include <IntPoly_ShapeSection.hxx>
61#include <Geom_Plane.hxx>
62#include <Geom_Surface.hxx>
63#include <Draw_Marker3D.hxx>
64#include <Draw_Segment2D.hxx>
65
66#include <GCPnts_UniformAbscissa.hxx>
67#include <GeomAdaptor_Curve.hxx>
68#include <Geom_Curve.hxx>
69#include <Extrema_LocateExtPC.hxx>
70
71#include <TopLoc_Location.hxx>
72#include <gp_Trsf.hxx>
73#include <Poly_Triangulation.hxx>
74#include <Poly_Connect.hxx>
75#include <TColgp_Array1OfPnt2d.hxx>
76#include <TColStd_HArray1OfInteger.hxx>
77#include <TopExp_Explorer.hxx>
78#include <gp_Pln.hxx>
79
80#include <PLib.hxx>
81#include <AppCont_ContMatrices.hxx>
82#include <math_Vector.hxx>
83#include <math_Matrix.hxx>
84#include <math.hxx>
85
86#include <CSLib_DerivativeStatus.hxx>
87#include <CSLib.hxx>
88#include <BRepAdaptor_Surface.hxx>
89#include <Bnd_Box.hxx>
90#include <BRepBndLib.hxx>
91
92
93//epa Memory leaks test
94#include <BRepBuilderAPI_MakePolygon.hxx>
95#include <TopoDS_Wire.hxx>
96#include <BRepBuilderAPI_MakeFace.hxx>
97#include <BRepTools.hxx>
98
d51c7072
O		 99//OAN: for triepoints
100#include <BRepBuilderAPI_MakeVertex.hxx>
101#include <Poly_PolygonOnTriangulation.hxx>
102#include <TopTools_MapIteratorOfMapOfShape.hxx>
103
7fd59977 104#ifdef WNT
105Standard_IMPORT Draw_Viewer dout;
106#endif
107
108#define MAX2(X, Y) ( Abs(X) > Abs(Y)? Abs(X) : Abs(Y) )
109#define MAX3(X, Y, Z) ( MAX2 ( MAX2(X,Y) , Z) )
110
111
112
113#define ONETHIRD 0.333333333333333333333333333333333333333333333333333333333333
114#define TWOTHIRD 0.666666666666666666666666666666666666666666666666666666666666
115
116#ifdef DEB_MESH_CHRONO
117#include <OSD_Chronometer.hxx>
118Standard_Integer D0Control, D0Internal, D0Unif, D0Edges, NbControls;
119OSD_Chronometer chTotal, chInternal, chControl, chUnif, chAddPoint;
120OSD_Chronometer chEdges, chMaillEdges, chEtuInter, chLastControl, chStock;
121OSD_Chronometer chAdd11, chAdd12, chAdd2, chUpdate, chPointValid;
122OSD_Chronometer chIsos, chPointsOnIsos;
123#endif
124
125
126
127//=======================================================================
128//function : shapesection
129//purpose :
130//=======================================================================
131
132static Standard_Integer shapesection(Draw_Interpretor&, Standard_Integer nbarg, const char** argv)
133{
134 if (nbarg < 4) return 1;
135
136 TopoDS_Shape S1 = DBRep::Get(argv[2]);
137 TopoDS_Shape S2 = DBRep::Get(argv[3]);
138 if (S1.IsNull() || S2.IsNull()) return 1;
139
140 IntPoly_ShapeSection SECTION(S1,S2);
0d88155b 141 // char name[100];
7fd59977 142 BRep_Builder B;
143 TopoDS_Compound C;
144 B.MakeCompound(C);
145 for (Standard_Integer i = 1 ; i <= SECTION.NbEdges() ; i++) {
146 TopoDS_Shape E = SECTION.Edge(i);
147 if (!E.IsNull()) B.Add(C,E);
148 }
149
150 DBRep::Set(argv[1],C);
151 return 0;
152}
153
154//=======================================================================
155//function : planesection
156//purpose :
157//=======================================================================
158
159static Standard_Integer planesection(Draw_Interpretor&, Standard_Integer nbarg, const char** argv)
160{
161 if (nbarg < 4) return 1;
162
163 TopoDS_Shape S = DBRep::Get(argv[2]);
164 if (S.IsNull()) return 1;
165 Handle(Geom_Surface) Surf = DrawTrSurf::GetSurface(argv[3]);
166
167 Handle(Geom_Plane) pl = Handle(Geom_Plane)::DownCast(Surf);
168 if (!pl.IsNull()) {
169 IntPoly_PlaneSection SECTION(S,pl->Pln());
0d88155b 170 // char name[100];
7fd59977 171 BRep_Builder B;
172 TopoDS_Compound C;
173 B.MakeCompound(C);
174 for (Standard_Integer i = 1 ; i <= SECTION.NbEdges() ; i++) {
175 TopoDS_Shape E = SECTION.Edge(i);
176 if (!E.IsNull()) B.Add(C,E);
177 }
178
179 DBRep::Set(argv[1],C);
180 return 0;
181 }
182 else return 1;
183}
184
185//=======================================================================
186//function : incrementalmesh
187//purpose :
188//=======================================================================
189
d51c7072 190static Standard_Integer incrementalmesh(Draw_Interpretor& di, Standard_Integer nbarg, const char** argv)
7fd59977 191{
416d4426 192 if (nbarg < 3) {
193 di << " use incmesh shape deflection [inParallel (0/1) : 0 by default]\n";
194 return 0;
195 }
7fd59977 196
416d4426 197 TopoDS_Shape aShape = DBRep::Get(argv[1]);
198 if (aShape.IsNull()) {
199 di << " null shapes is not allowed here\n";
200 return 0;
201 }
91322f44 202 Standard_Real aDeflection = Draw::Atof(argv[2]);
416d4426 203
204 Standard_Boolean isInParallel = Standard_False;
205 if (nbarg == 4) {
91322f44 206 isInParallel = Draw::Atoi(argv[3]) == 1;
416d4426 207 }
208 di << "Incremental Mesh, multi-threading "
209 << (isInParallel ? "ON\n" : "OFF\n");
210
416d4426 211 BRepMesh_IncrementalMesh MESH(aShape, aDeflection, Standard_False, 0.5, isInParallel);
d51c7072
O		 212 Standard_Integer statusFlags = MESH.GetStatusFlags();
213
214 di << "Meshing statuses: ";
215
216 if( !statusFlags )
217 {
218 di << "NoError";
219 }
220 else
221 {
222 Standard_Integer i;
223 for( i = 0; i < 4; i++ )
224 {
225 if( (statusFlags >> i) & (Standard_Integer)1 )
226 {
227 switch(i+1)
228 {
229 case 1:
230 di << "OpenWire ";
231 break;
232 case 2:
233 di << "SelfIntersectingWire ";
234 break;
235 case 3:
236 di << "Failure ";
237 break;
238 case 4:
239 di << "ReMesh ";
240 break;
241 }
242 }
243 }
244 }
245
7fd59977 246 return 0;
247}
248
249//=======================================================================
250//function : MemLeakTest
251//purpose :
252//=======================================================================
253
35e08fe8 254static Standard_Integer MemLeakTest(Draw_Interpretor&, Standard_Integer /*nbarg*/, const char** /*argv*/)
7fd59977 255{
256 for(int i=0;i<10000;i++)
257 {
258 BRepBuilderAPI_MakePolygon w(gp_Pnt(0,0,0),gp_Pnt(0,100,0),gp_Pnt(20,100,0),gp_Pnt(20,0,0));
259 w.Close();
260 TopoDS_Wire wireShape( w.Wire());
261 BRepBuilderAPI_MakeFace faceBuilder(wireShape);
262 TopoDS_Face f( faceBuilder.Face());
263 BRepMesh_IncrementalMesh im(f,1);
264 BRepTools::Clean(f);
265 }
266 return 0;
267}
268
269//=======================================================================
270//function : fastdiscret
271//purpose :
272//=======================================================================
273
274static Standard_Integer fastdiscret(Draw_Interpretor& di, Standard_Integer nbarg, const char** argv)
275{
276 if (nbarg < 3) return 1;
277
278 TopoDS_Shape S = DBRep::Get(argv[1]);
279 if (S.IsNull()) return 1;
280
91322f44 281 const Standard_Real d = Draw::Atof(argv[2]);
7fd59977 282
283 Standard_Boolean WithShare = Standard_True;
91322f44 284 if (nbarg > 3) WithShare = Draw::Atoi(argv[3]);
7fd59977 285
286 Bnd_Box B;
287 BRepBndLib::Add(S,B);
288 BRepMesh_FastDiscret MESH(d,0.5,B,WithShare,Standard_True,Standard_False,Standard_True);
289
290 //Standard_Integer NbIterations = MESH.NbIterations();
91322f44 291 //if (nbarg > 4) NbIterations = Draw::Atoi(argv[4]);
7fd59977 292 //MESH.NbIterations() = NbIterations;
293
294 di<<"Starting FastDiscret with :"<<"\n";
295 di<<" Deflection="<<d<<"\n";
296 di<<" Angle="<<0.5<<"\n";
297 di<<" SharedMode="<< (Standard_Integer) WithShare<<"\n";
298 //di<<" NbIterations="<<NbIterations<<"\n";
299
300 Handle(Poly_Triangulation) T;
301 BRep_Builder aBuilder;
302 TopExp_Explorer ex;
303
304 // Clear existing triangulations
305 for (ex.Init(S, TopAbs_FACE); ex.More(); ex.Next())
306 aBuilder.UpdateFace(TopoDS::Face(ex.Current()),T);
307
308 MESH.Perform(S);
309
310 TopoDS_Compound aCompGood, aCompFailed, aCompViolating;
311
312 TopLoc_Location L;
313 Standard_Integer nbtriangles = 0, nbnodes = 0, nbfailed = 0, nbviolating = 0;
314 Standard_Real maxdef = 0.0;
315 for (ex.Init(S, TopAbs_FACE); ex.More(); ex.Next())
316 {
317 T = BRep_Tool::Triangulation(TopoDS::Face(ex.Current()),L);
318 if (T.IsNull())
319 {
320 nbfailed++;
321 if (aCompFailed.IsNull())
322 aBuilder.MakeCompound(aCompFailed);
323 aBuilder.Add(aCompFailed,ex.Current());
324 }
325 else
326 {
327 nbtriangles += T->NbTriangles();
328 nbnodes += T->NbNodes();
329 if (T->Deflection() > maxdef) maxdef = T->Deflection();
330 if (T->Deflection() > d)
331 {
332 nbviolating++;
333 if (aCompViolating.IsNull())
334 aBuilder.MakeCompound(aCompViolating);
335 aBuilder.Add(aCompViolating,ex.Current());
336 }
337 else
338 {
339 if (aCompGood.IsNull())
340 aBuilder.MakeCompound(aCompGood);
341 aBuilder.Add(aCompGood,ex.Current());
342 }
343 }
344 }
345
346 if (!aCompGood.IsNull())
347 {
348 char name[256];
349 strcpy(name,argv[1]);
350 strcat(name,"_good");
351 DBRep::Set(name,aCompGood);
352 }
353 if (!aCompFailed.IsNull())
354 {
355 char name[256];
356 strcpy(name,argv[1]);
357 strcat(name,"_failed");
358 DBRep::Set(name,aCompFailed);
359 }
360 if (!aCompViolating.IsNull())
361 {
362 char name[256];
363 strcpy(name,argv[1]);
364 strcat(name,"_violating");
365 DBRep::Set(name,aCompViolating);
366 }
367
368 di<<"FastDiscret completed with :"<<"\n";
369 di<<" MaxDeflection="<<maxdef<<"\n";
370 di<<" NbNodes="<<nbnodes<<"\n";
371 di<<" NbTriangles="<<nbtriangles<<"\n";
372 di<<" NbFailed="<<nbfailed<<"\n";
373 di<<" NbViolating="<<nbviolating<<"\n";
374
375 return 0;
376}
377
378
379//=======================================================================
380//function : triangule
381//purpose :
382//=======================================================================
383
384
385class BRepMesh_Couple
386{
0d88155b 387public:
7fd59977 388 BRepMesh_Couple() { myI1 = myI2 = 0; }
389 BRepMesh_Couple(const Standard_Integer I1,
0d88155b 390 const Standard_Integer I2)
7fd59977 391 { myI1 = I1; myI2 = I2; }
392
393 Standard_Integer myI1;
394 Standard_Integer myI2;
395};
396
397inline Standard_Boolean IsEqual(const BRepMesh_Couple& one,
398 const BRepMesh_Couple& other)
399{
400 if (one.myI1 == other.myI1 &&
0d88155b 401 one.myI2 == other.myI2) return Standard_True;
7fd59977 402 else return Standard_False;
403}
404
405inline Standard_Integer HashCode(const BRepMesh_Couple& one,
406 const Standard_Integer Upper)
407{
408 return ::HashCode((one.myI1+one.myI2), Upper);
409}
410
411typedef NCollection_Map<BRepMesh_Couple> BRepMesh_MapOfCouple;
412
413
414static void AddLink(BRepMesh_MapOfCouple& aMap,
415 Standard_Integer v1,
416 Standard_Integer v2)
417{
418 Standard_Integer i1 = v1;
419 Standard_Integer i2 = v2;
420 if(i1 > i2) {
421 i1 = v2;
422 i2 = v1;
423 }
424 aMap.Add(BRepMesh_Couple(i1,i2));
425}
426
427static void MeshStats(const TopoDS_Shape& theSape,
0d88155b
O		 428 Standard_Integer& theNbTri,
429 Standard_Integer& theNbEdges,
430 Standard_Integer& theNbNodes)
7fd59977 431{
432 theNbTri = 0;
433 theNbEdges = 0;
434 theNbNodes = 0;
435
436 Handle(Poly_Triangulation) T;
437 TopLoc_Location L;
438
439 for ( TopExp_Explorer ex(theSape, TopAbs_FACE); ex.More(); ex.Next()) {
440 TopoDS_Face F = TopoDS::Face(ex.Current());
441 T = BRep_Tool::Triangulation(F, L);
442 if (!T.IsNull()) {
443 theNbTri += T->NbTriangles();
444 theNbNodes += T->NbNodes();
445
446 BRepMesh_MapOfCouple aMap;
447 //count number of links
448 Poly_Array1OfTriangle& Trian = T->ChangeTriangles();
449 for(Standard_Integer i = 1; i<=Trian.Length();i++) {
0d88155b 450 Standard_Integer v1, v2, v3;
7fd59977 451 Trian(i).Get(v1,v2,v3);
452
0d88155b
O		 453 AddLink(aMap, v1, v2);
454 AddLink(aMap, v2, v3);
455 AddLink(aMap, v3, v1);
7fd59977 456 }
457
458 theNbEdges+=aMap.Extent();
459 }
460 }
461}
462
463static Standard_Integer triangule(Draw_Interpretor& di, Standard_Integer nbarg, const char** argv)
464{
465 if (nbarg < 4) return 1;
466
467 Standard_Boolean save = Standard_False;
468
469 const char *id1 = argv[2];
470 TopoDS_Shape S = DBRep::Get(id1);
471 if (S.IsNull()) return 1;
472 di << argv[1] << " ";
91322f44 473 Standard_Real Deflect=Draw::Atof(argv[3]);
7fd59977 474 if (Deflect<=0.) {
475 di << " Donner la fleche !" << "\n";
476 return 1;
477 }
478
479 if (nbarg >4) {
91322f44 480 save = (Draw::Atoi(argv[4])==1);
7fd59977 481 }
482
483 Standard_Boolean partage=Standard_True;
484 if (nbarg>5) {
91322f44 485 partage=Draw::Atoi(argv[5])==1;
7fd59977 486 }
487
488 Handle(MeshTest_DrawableMesh) DM =
489 new MeshTest_DrawableMesh(S,Deflect,partage, save);
490
491 Draw::Set(argv[1],DM);
492
493 Standard_Integer nbn, nbl, nbe;
494 MeshStats(S, nbe, nbl, nbn);
495
496 di<<"(Resultat ("<<nbe<<" mailles) ("<<nbl<<" aretes) ("<<nbn<<" sommets))"<<"\n";
497
498 // passe de verification du maillage.
499 /*Standard_Integer nbc;
500 for (Standard_Integer iLi=1; iLi<= DM->Mesh()->NbEdges(); iLi++) {
0d88155b
O		 501 const BRepMesh_Edge& ed=DM->Mesh()->Edge(iLi);
502 if (ed.Movability()!=BRepMesh_Deleted) {
503 nbc=struc->ElemConnectedTo(iLi).Extent();
504 if (nbc != 1 && nbc != 2) di <<"ERROR MAILLAGE Edge no "<< iLi<<"\n";
505 }
7fd59977 506 }*/
507
508 Bnd_Box bobo;
0d88155b 509
7fd59977 510 for (Standard_Integer lepnt=1; lepnt<DM->Mesh()->NbPoint3d(); lepnt++) {
511 bobo.Add(DM->Mesh()->Point3d(lepnt));
512 }
513 Standard_Real x,y,z,X,Y,Z;
514 bobo.Get(x,y,z,X,Y,Z);
515 Standard_Real delta=Max(X-x,Max(Y-y,Z-z));
516 if (delta>0) delta=Deflect/delta;
517 di << " Fleche de " << delta << " fois la taille de l''objet." << "\n";
518
519 return 0;
520}
521
522//=======================================================================
523//function : addshape
524//purpose :
525//=======================================================================
526
527Standard_Integer addshape(Draw_Interpretor&, Standard_Integer n, const char** a)
528{
529 if (n < 3) return 1;
530 Handle(MeshTest_DrawableMesh) D =
531 Handle(MeshTest_DrawableMesh)::DownCast(Draw::Get(a[1]));
532 if (D.IsNull()) return 1;
533 TopoDS_Shape S = DBRep::Get(a[2]);
534 if (S.IsNull()) return 1;
535
536 D->Add(S);
537 Draw::Repaint();
538
539 return 0;
540}
541
542
543//=======================================================================
544//function : smooth
545//purpose :
546//=======================================================================
547
548/*Standard_Integer smooth(Draw_Interpretor&, Standard_Integer n, const char** a)
549{
0d88155b
O		 550if (n < 2) return 1;
551Handle(MeshTest_DrawableMesh) D =
552Handle(MeshTest_DrawableMesh)::DownCast(Draw::Get(a[1]));
553if (D.IsNull()) return 1;
554Handle(BRepMesh_DataStructureOfDelaun) struc=
555D->Mesh()->Result();
556BRepMesh_Array1OfVertexOfDelaun toto(1,1);
557BRepMesh_Delaun trial(struc,
558toto,
559Standard_True);
560trial.SmoothMesh(0.1);
561Draw::Repaint();
562return 0;
7fd59977 563}
564*/
565
566//=======================================================================
567//function : edges
568//purpose :
569//=======================================================================
570
0d88155b 571/*static Standard_Integer edges (Draw_Interpretor&, Standard_Integer n, const char** a)
7fd59977 572{
0d88155b
O		 573if (n < 3) return 1;
574
575Handle(MeshTest_DrawableMesh) D =
576Handle(MeshTest_DrawableMesh)::DownCast(Draw::Get(a[1]));
577if (D.IsNull()) return 1;
578TopoDS_Shape S = DBRep::Get(a[2]);
579if (S.IsNull()) return 1;
580
581TopExp_Explorer ex;
582TColStd_SequenceOfInteger& eseq = D->Edges();
583Handle(BRepMesh_FastDiscret) M = D->Mesh();
584Handle(BRepMesh_DataStructureOfDelaun) DS = M->Result();
585Standard_Integer e1, e2, e3, iTri;
586Standard_Boolean o1, o2, o3;
587
588// the faces
589for (ex.Init(S,TopAbs_FACE);ex.More();ex.Next()) {
590const BRepMesh_MapOfInteger& elems = DS->ElemOfDomain();
591BRepMesh_MapOfInteger::Iterator it;
592for (it.Initialize(elems); it.More(); it.Next()) {
593iTri = it.Key();
594const BRepMesh_Triangle& triang = M->Triangle(iTri);
595if (triang.Movability()!=BRepMesh_Deleted) {
596triang.Edges(e1, e2, e3, o1, o2, o3);
597eseq.Append(e1);
598eseq.Append(e2);
599eseq.Append(e3);
600}
601}
602}
7fd59977 603
0d88155b
O		 604// the edges
605//for (ex.Init(S,TopAbs_EDGE,TopAbs_FACE);ex.More();ex.Next()) {
606//}
7fd59977 607
0d88155b
O		 608Draw::Repaint();
609return 0;
7fd59977 610}
611*/
612
613//=======================================================================
614//function : vertices
615//purpose :
616//=======================================================================
617
618static Standard_Integer vertices (Draw_Interpretor&, Standard_Integer n, const char** a)
619{
620 if (n < 3) return 1;
621
622 Handle(MeshTest_DrawableMesh) D =
623 Handle(MeshTest_DrawableMesh)::DownCast(Draw::Get(a[1]));
624 if (D.IsNull()) return 1;
625 TopoDS_Shape S = DBRep::Get(a[2]);
626 if (S.IsNull()) return 1;
627
628 TopExp_Explorer ex;
629 TColStd_SequenceOfInteger& vseq = D->Vertices();
630 Handle(BRepMesh_FastDiscret) M = D->Mesh();
0d88155b 631
7fd59977 632 // the faces
633 for (ex.Init(S,TopAbs_FACE);ex.More();ex.Next()) {
0d88155b 634 BRepMesh_MapOfInteger vtx;
7fd59977 635 M->VerticesOfDomain(vtx);
0d88155b 636 for (BRepMesh_MapOfInteger::Iterator it(vtx); it.More(); it.Next())
7fd59977 637 vseq.Append(it.Key());
638 }
0d88155b 639
7fd59977 640
641 // the edges
642 //for (ex.Init(S,TopAbs_EDGE,TopAbs_FACE);ex.More();ex.Next()) {
643 //}
0d88155b 644
7fd59977 645 Draw::Repaint();
646 return 0;
647}
648
649//=======================================================================
650//function : medge
651//purpose :
652//=======================================================================
653
654static Standard_Integer medge (Draw_Interpretor&, Standard_Integer n, const char** a)
655{
656 if (n < 3) return 1;
657
658 Handle(MeshTest_DrawableMesh) D =
659 Handle(MeshTest_DrawableMesh)::DownCast(Draw::Get(a[1]));
660 if (D.IsNull()) return 1;
661
662 Standard_Integer i,j,e;
663 TColStd_SequenceOfInteger& eseq = D->Edges();
664 for (i = 2; i < n; i++) {
91322f44 665 e = Draw::Atoi(a[i]);
7fd59977 666 if (e > 0)
667 eseq.Append(e);
668 else if (e < 0) {
669 e = -e;
670 j = 1;
671 while (j <= eseq.Length()) {
0d88155b
O		 672 if (eseq(j) == e)
673 eseq.Remove(j);
674 else
675 j++;
7fd59977 676 }
677 }
678 else
679 eseq.Clear();
680 }
0d88155b 681
7fd59977 682 Draw::Repaint();
683 return 0;
684}
685
686
687//=======================================================================
688//function : mvertex
689//purpose :
690//=======================================================================
691
692static Standard_Integer mvertex (Draw_Interpretor&, Standard_Integer n, const char** a)
693{
694 if (n < 3) return 1;
695
696 Handle(MeshTest_DrawableMesh) D =
697 Handle(MeshTest_DrawableMesh)::DownCast(Draw::Get(a[1]));
698 if (D.IsNull()) return 1;
699
700 Standard_Integer i,j,v;
701 TColStd_SequenceOfInteger& vseq = D->Vertices();
702 for (i = 2; i < n; i++) {
91322f44 703 v = Draw::Atoi(a[i]);
7fd59977 704 if (v > 0)
705 vseq.Append(v);
706 else if (v < 0) {
707 v = -v;
708 j = 1;
709 while (j <= vseq.Length()) {
0d88155b
O		 710 if (vseq(j) == v)
711 vseq.Remove(v);
712 else
713 j++;
7fd59977 714 }
715 }
716 else
717 vseq.Clear();
718 }
719 Draw::Repaint();
720 return 0;
721}
722
723
724//=======================================================================
725//function : triangle
726//purpose :
727//=======================================================================
728
729static Standard_Integer triangle (Draw_Interpretor&, Standard_Integer n, const char** a)
730{
731 if (n < 3) return 1;
732
733 Handle(MeshTest_DrawableMesh) D =
734 Handle(MeshTest_DrawableMesh)::DownCast(Draw::Get(a[1]));
735 if (D.IsNull()) return 1;
736
737 Standard_Integer i,j,v;
738 TColStd_SequenceOfInteger& tseq = D->Triangles();
739 for (i = 2; i < n; i++) {
91322f44 740 v = Draw::Atoi(a[i]);
7fd59977 741 if (v > 0)
742 tseq.Append(v);
743 else if (v < 0) {
744 v = -v;
745 j = 1;
746 while (j <= tseq.Length()) {
0d88155b
O		 747 if (tseq(j) == v)
748 tseq.Remove(v);
749 else
750 j++;
7fd59977 751 }
752 }
753 else
754 tseq.Clear();
755 }
756 Draw::Repaint();
757 return 0;
758}
759
7fd59977 760//=======================================================================
761//function : dumpvertex
762//purpose :
763//=======================================================================
764
765/*
766Standard_Integer dumpvertex(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
767{
0d88155b 768if (argc < 2) return 1;
7fd59977 769
0d88155b
O		 770Handle(MeshTest_DrawableMesh) D =
771Handle(MeshTest_DrawableMesh)::DownCast(Draw::Get(argv[1]));
772if (D.IsNull()) return 1;
7fd59977 773
0d88155b 774Handle(BRepMesh_DataStructureOfDelaun) struc = D->Mesh()->Result();
7fd59977 775
0d88155b
O		 776Standard_Integer in=1;
777if (argc>=3) {
91322f44 778in=Draw::Atoi(argv[2]);
0d88155b
O		 779in=Max(1,in);
780}
781Standard_Integer nbn=in;
782if (argc>=4) {
91322f44 783nbn=Draw::Atoi(argv[3]);
0d88155b
O		 784nbn=Min(nbn,struc->NbNodes());
785}
786
787for (; in<=nbn; in++) {
788BRepMesh_Vertex nod=struc->GetNode(in);
789di<<"(node "<<in<<" (uv "<<nod.Coord().X()
790<<" "<<nod.Coord().Y()<<") (3d "
791<<nod.Location3d()<<") ";
792printdegree(nod.Movability(), di);
793di<<" (edgeconex";
794BRepMesh_ListOfInteger::Iterator tati(struc->LinkNeighboursOf(in));
795for (; tati.More(); tati.Next()) di<<" "<<tati.Value();
796di << "))\n";
797}
798di <<"\n";
799return 0;
7fd59977 800}
801
802//=======================================================================
803//function : dumpedge
804//purpose :
805//=======================================================================
806
807Standard_Integer dumpedge(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
808{
0d88155b 809if (argc < 2) return 1;
7fd59977 810
0d88155b
O		 811Handle(MeshTest_DrawableMesh) D =
812Handle(MeshTest_DrawableMesh)::DownCast(Draw::Get(argv[1]));
813if (D.IsNull()) return 1;
7fd59977 814
0d88155b
O		 815Handle(BRepMesh_DataStructureOfDelaun) struc=D->Mesh()->Result();
816Standard_Integer il=1;
817if (argc>=3) {
91322f44 818il=Draw::Atoi(argv[2]);
0d88155b
O		 819il=Max(1, il);
820}
821Standard_Integer nbl=il;
822if (argc>=4) {
91322f44 823nbl=Draw::Atoi(argv[3]);
0d88155b
O		 824nbl=Min(nbl, struc->NbLinks());
825}
826
827for (; il<=nbl; il++) {
828BRepMesh_Edge edg=struc->GetLink(il);
829di << "(edge "<<il<<" ("<<edg.FirstNode()<<" "<<edg.LastNode()
830<<" ";
831printdegree(edg.Movability(), di);
832di<<") (triconex";
833const BRepMesh_PairOfIndex& pair = struc->ElemConnectedTo(il);
834for (Standard_Integer j = 1, jn = pair.Extent(); j <= jn; j++)
835di<<" "<<pair.Index(j);
836di << "))\n";
837}
838di <<"\n";
839return 0;
7fd59977 840}
841
842//=======================================================================
843//function : dumptriangle
844//purpose :
845//=======================================================================
846
847Standard_Integer dumptriangle(Draw_Interpretor& di, Standard_Integer argc, const char** argv)
848{
0d88155b 849if (argc < 2) return 1;
7fd59977 850
0d88155b
O		 851Handle(MeshTest_DrawableMesh) D =
852Handle(MeshTest_DrawableMesh)::DownCast(Draw::Get(argv[1]));
853if (D.IsNull()) return 1;
7fd59977 854
0d88155b
O		 855Handle(BRepMesh_DataStructureOfDelaun) struc=D->Mesh()->Result();
856Standard_Integer ie=1;
857if (argc>=3) {
91322f44 858ie=Draw::Atoi(argv[2]);
0d88155b
O		 859ie=Max(1, ie);
860}
861Standard_Integer nbe=ie;
862if (argc>=4) {
91322f44 863nbe=Draw::Atoi(argv[3]);
0d88155b
O		 864nbe=Min(nbe, struc->NbElements());
865}
866
867Standard_Integer e1, e2, e3;
868Standard_Boolean o1, o2, o3;
869
870for (; ie<=nbe; ie++) {
871BRepMesh_Triangle tri=struc->GetElement(ie);
872tri.Edges(e1, e2, e3, o1, o2, o3);
873if (o1) e1=-e1;
874if (o2) e2=-e2;
875if (o3) e3=-e3;
876di<<" (maille "<<ie<<" (links "<<e1<<" "
877<<e2<<" "<<e3<<")";
878printdegree(tri.Movability(), di);
879di<<")\n";
880}
881di << "\n";
882return 0;
7fd59977 883}
884*/
885
886//=======================================================================
887//function : trianglesinfo
888//purpose :
889//=======================================================================
890static Standard_Integer trianglesinfo(Draw_Interpretor& di, Standard_Integer n, const char** a)
891{
892 if (n != 2) return 1;
893 TopoDS_Shape S = DBRep::Get(a[1]);
894 if (S.IsNull()) return 1;
895 TopExp_Explorer ex;
896 Handle(Poly_Triangulation) T;
897 TopLoc_Location L;
898
899 Standard_Real MaxDeflection = 0.0;
900 Standard_Integer nbtriangles = 0, nbnodes = 0;
901 for (ex.Init(S, TopAbs_FACE); ex.More(); ex.Next()) {
902 TopoDS_Face F = TopoDS::Face(ex.Current());
903 T = BRep_Tool::Triangulation(F, L);
904 if (!T.IsNull()) {
905 nbtriangles += T->NbTriangles();
906 nbnodes += T->NbNodes();
907 if (T->Deflection() > MaxDeflection)
908 MaxDeflection = T->Deflection();
909 }
910 }
911
912 di<<"\n";
913 di<<"This shape contains " <<nbtriangles<<" triangles."<<"\n";
914 di<<" " <<nbnodes <<" nodes."<<"\n";
915 di<<"Maximal deflection " <<MaxDeflection<<"\n";
916 di<<"\n";
917#ifdef DEB_MESH_CHRONO
918 Standard_Real tot, addp, unif, contr, inter;
919 Standard_Real edges, mailledges, etuinter, lastcontrol, stock;
920 Standard_Real add11, add12, add2, upda, pointvalid;
921 Standard_Real isos, pointsisos;
922 chTotal.Show(tot); chAddPoint.Show(addp); chUnif.Show(unif);
923 chControl.Show(contr); chInternal.Show(inter);
924 chEdges.Show(edges); chMaillEdges.Show(mailledges);
925 chEtuInter.Show(etuinter); chLastControl.Show(lastcontrol);
926 chStock.Show(stock);
927 chAdd11.Show(add11); chAdd12.Show(add12); chAdd2.Show(add2); chUpdate.Show(upda);
928 chPointValid.Show(pointvalid); chIsos.Show(isos); chPointsOnIsos.Show(pointsisos);
929
930 if (tot > 0.00001) {
0d88155b
O		 931 di <<"temps total de maillage: "<<tot <<" seconds"<< "\n";
932 di <<"dont: "<< "\n";
933 di <<"discretisation des edges: "<<edges <<" seconds---> "<< 100*edges/tot <<" %"<<"\n";
934 di <<"maillage des edges: "<<mailledges <<" seconds---> "<< 100*mailledges/tot <<" %"<<"\n";
935 di <<"controle et points internes: "<<etuinter <<" seconds---> "<< 100*etuinter/tot <<" %"<<"\n";
936 di <<"derniers controles: "<<lastcontrol<<" seconds---> "<< 100*lastcontrol/tot<<" %"<<"\n";
937 di <<"stockage dans la S.D. "<<stock <<" seconds---> "<< 100*stock/tot <<" %"<<"\n";
938 di << "\n";
939 di <<"et plus precisement: "<<"\n";
940 di <<"Add 11ere partie : "<<add11 <<" seconds---> "<<100*add11/tot <<" %"<<"\n";
941 di <<"Add 12ere partie : "<<add12 <<" seconds---> "<<100*add12/tot <<" %"<<"\n";
942 di <<"Add 2eme partie : "<<add2 <<" seconds---> "<<100*add2/tot <<" %"<<"\n";
943 di <<"Update : "<<upda <<" seconds---> "<<100*upda/tot <<" %"<<"\n";
944 di <<"AddPoint : "<<addp <<" seconds---> "<<100*addp/tot <<" %"<<"\n";
945 di <<"UniformDeflection "<<unif <<" seconds---> "<<100*unif/tot <<" %"<<"\n";
946 di <<"Controle : "<<contr <<" seconds---> "<<100*contr/tot <<" %"<<"\n";
947 di <<"Points Internes: "<<inter <<" seconds---> "<<100*inter/tot <<" %"<<"\n";
948 di <<"calcul des isos et du, dv: "<<isos <<" seconds---> "<<100*isos/tot <<" %"<<"\n";
949 di <<"calcul des points sur isos: "<<pointsisos<<" seconds---> "<<100*pointsisos/tot <<" %"<<"\n";
950 di <<"IsPointValid: "<<pointvalid<<" seconds---> "<<100*pointvalid/tot <<" %"<<"\n";
951 di << "\n";
952
953
954 di <<"nombre d'appels de controle apres points internes : "<< NbControls << "\n";
955 di <<"nombre de points sur restrictions : "<< D0Edges << "\n";
956 di <<"nombre de points calcules par UniformDeflection : "<< D0Unif << "\n";
957 di <<"nombre de points calcules dans InternalVertices : "<< D0Internal << "\n";
958 di <<"nombre de points calcules dans Control : "<< D0Control << "\n";
959 if (nbnodes-D0Edges != 0) {
960 Standard_Real ratio = (Standard_Real)(D0Internal+D0Control)/ (Standard_Real)(nbnodes-D0Edges);
961 di <<"---> Ratio: (D0Internal+D0Control) / (nbNodes-nbOnEdges) : "<< ratio << "\n";
962 }
7fd59977 963
0d88155b 964 di << "\n";
7fd59977 965
0d88155b
O		 966 chTotal.Reset(); chAddPoint.Reset(); chUnif.Reset();
967 chControl.Reset(); chInternal.Reset();
968 chEdges.Reset(); chMaillEdges.Reset();
969 chEtuInter.Reset(); chLastControl.Reset();
970 chStock.Reset();
971 chAdd11.Reset(); chAdd12.Reset(); chAdd2.Reset(); chUpdate.Reset();
972 chPointValid.Reset(); chIsos.Reset(); chPointsOnIsos.Reset();
7fd59977 973
974 }
975#endif
976 return 0;
977}
978
979//=======================================================================
980//function : veriftriangles
981//purpose :
982//=======================================================================
983
984static Standard_Integer veriftriangles(Draw_Interpretor& di, Standard_Integer n, const char** a)
985{
986 if (n < 2) return 1;
987 Standard_Boolean quiet = 1;
988 if (n == 3) quiet = 0;
989 TopoDS_Shape Sh = DBRep::Get(a[1]);
990 if (Sh.IsNull()) return 1;
991 TopExp_Explorer ex;
992 Handle(Poly_Triangulation) T;
993 TopLoc_Location L;
994 Standard_Integer i, n1, n2, n3;
995 gp_Pnt2d mitri, v1, v2, v3, mi2d1, mi2d2, mi2d3;
996 gp_XYZ vecEd1, vecEd2, vecEd3;
0d88155b 997 // Standard_Real dipo, dm, dv, d1, d2, d3, defle;
7fd59977 998 Standard_Real dipo, dv, d1, d2, d3, defle;
999 Handle(Geom_Surface) S;
1000 Standard_Integer nbface = 0;
1001 gp_Pnt PP;
1002
1003 for (ex.Init(Sh, TopAbs_FACE); ex.More(); ex.Next()) {
1004 TopoDS_Face F = TopoDS::Face(ex.Current());
1005 nbface++;
1006 T = BRep_Tool::Triangulation(F, L);
1007 Standard_Real deflemax = 0, deflemin = 1.e100;
1008 if (!T.IsNull()) {
1009 Standard_Real defstock = T->Deflection();
1010 const Poly_Array1OfTriangle& triangles = T->Triangles();
1011 const TColgp_Array1OfPnt2d& Nodes2d = T->UVNodes();
1012 const TColgp_Array1OfPnt& Nodes = T->Nodes();
1013
1014 S = BRep_Tool::Surface(F, L);
1015
1016 for(i = 1; i <= triangles.Length(); i++) {
0d88155b
O		 1017 if (F.Orientation() == TopAbs_REVERSED)
1018 triangles(i).Get(n1,n3,n2);
1019 else
1020 triangles(i).Get(n1,n2,n3);
1021
1022 const gp_XY& xy1 = Nodes2d(n1).XY();
1023 const gp_XY& xy2 = Nodes2d(n2).XY();
1024 const gp_XY& xy3 = Nodes2d(n3).XY();
1025
1026 mi2d1.SetCoord((xy2.X()+xy3.X())*0.5,
1027 (xy2.Y()+xy3.Y())*0.5);
1028 mi2d2.SetCoord((xy1.X()+xy3.X())*0.5,
1029 (xy1.Y()+xy3.Y())*0.5);
1030 mi2d3.SetCoord((xy1.X()+xy2.X())*0.5,
1031 (xy1.Y()+xy2.Y())*0.5);
1032
1033 gp_XYZ p1 = Nodes(n1).Transformed(L.Transformation()).XYZ();
1034 gp_XYZ p2 = Nodes(n2).Transformed(L.Transformation()).XYZ();
1035 gp_XYZ p3 = Nodes(n3).Transformed(L.Transformation()).XYZ();
1036
1037 vecEd1=p2-p1;
1038 vecEd2=p3-p2;
1039 vecEd3=p1-p3;
1040 d1=vecEd1.SquareModulus();
1041 d2=vecEd2.SquareModulus();
1042 d3=vecEd3.SquareModulus();
1043
1044 if (d1!=0. && d2!=0. && d3!=0.) {
1045 gp_XYZ equa(vecEd1^vecEd2);
1046 dv=equa.Modulus();
1047 if (dv>0.) {
1048 equa.SetCoord(equa.X()/dv, equa.Y()/dv, equa.Z()/dv);
1049 dipo=equa*p1;
1050
1051
1052 mitri.SetCoord(ONETHIRD*(xy1.X()+xy2.X()+xy3.X()),
1053 ONETHIRD*(xy1.Y()+xy2.Y()+xy3.Y()));
1054 v1.SetCoord(ONETHIRD*mi2d1.X()+TWOTHIRD*xy1.X(),
1055 ONETHIRD*mi2d1.Y()+TWOTHIRD*xy1.Y());
1056 v2.SetCoord(ONETHIRD*mi2d2.X()+TWOTHIRD*xy2.X(),
1057 ONETHIRD*mi2d2.Y()+TWOTHIRD*xy2.Y());
1058 v3.SetCoord(ONETHIRD*mi2d3.X()+TWOTHIRD*xy3.X(),
1059 ONETHIRD*mi2d3.Y()+TWOTHIRD*xy3.Y());
1060
1061 S->D0(mi2d1.X(), mi2d1.Y(), PP);
1062 PP = PP.Transformed(L.Transformation());
1063 defle = Abs((equa*PP.XYZ())-dipo);
1064 deflemax = Max(deflemax, defle);
1065 deflemin = Min(deflemin, defle);
1066
1067 S->D0(mi2d2.X(), mi2d2.Y(), PP);
1068 PP = PP.Transformed(L.Transformation());
1069 defle = Abs((equa*PP.XYZ())-dipo);
1070 deflemax = Max(deflemax, defle);
1071 deflemin = Min(deflemin, defle);
1072
1073 S->D0(mi2d3.X(), mi2d3.Y(), PP);
1074 PP = PP.Transformed(L.Transformation());
1075 defle = Abs((equa*PP.XYZ())-dipo);
1076 deflemax = Max(deflemax, defle);
1077 deflemin = Min(deflemin, defle);
1078
1079 S->D0(v1.X(), v1.Y(), PP);
1080 PP = PP.Transformed(L.Transformation());
1081 defle = Abs((equa*PP.XYZ())-dipo);
1082 deflemax = Max(deflemax, defle);
1083 deflemin = Min(deflemin, defle);
1084
1085 S->D0(v2.X(), v2.Y(), PP);
1086 PP = PP.Transformed(L.Transformation());
1087 defle = Abs((equa*PP.XYZ())-dipo);
1088 deflemax = Max(deflemax, defle);
1089 deflemin = Min(deflemin, defle);
1090
1091 S->D0(v3.X(), v3.Y(), PP);
1092 PP = PP.Transformed(L.Transformation());
1093 defle = Abs((equa*PP.XYZ())-dipo);
1094 deflemax = Max(deflemax, defle);
1095 deflemin = Min(deflemin, defle);
1096
1097 S->D0(mitri.X(), mitri.Y(), PP);
1098 PP = PP.Transformed(L.Transformation());
1099 defle = Abs((equa*PP.XYZ())-dipo);
1100 deflemax = Max(deflemax, defle);
1101 deflemin = Min(deflemin, defle);
1102
1103 if (defle > defstock) {
1104 di <<"face "<< nbface <<" deflection = " << defle <<" pour "<<defstock <<" stockee."<<"\n";
1105 }
1106 }
1107 }
7fd59977 1108 }
1109 if (!quiet) {
0d88155b 1110 di <<"face "<< nbface<<", deflemin = "<< deflemin<<", deflemax = "<<deflemax<<"\n";
7fd59977 1111 }
1112
1113 }
1114 }
1115
1116
1117 return 0;
1118}
1119
1120
1121
1122
1123//=======================================================================
1124//function : tri2d
1125//purpose :
1126//=======================================================================
1127
1128Standard_Integer tri2d(Draw_Interpretor&, Standard_Integer n, const char** a)
1129{
1130
1131 if (n != 2) return 1;
1132 TopoDS_Shape aLocalShape = DBRep::Get(a[1]);
1133 TopoDS_Face F = TopoDS::Face(aLocalShape);
0d88155b 1134 // TopoDS_Face F = TopoDS::Face(DBRep::Get(a[1]));
7fd59977 1135 if (F.IsNull()) return 1;
1136 Handle(Poly_Triangulation) T;
1137 TopLoc_Location L;
1138
1139 T = BRep_Tool::Triangulation(F, L);
1140 if (!T.IsNull()) {
1141#ifdef DEB
1142 gp_Trsf tr = L.Transformation();
1143#else
1144 L.Transformation();
1145#endif
1146
1147 // Build the connect tool
1148 Poly_Connect pc(T);
0d88155b 1149
7fd59977 1150 Standard_Integer i,j, nFree, nInternal, nbTriangles = T->NbTriangles();
1151 Standard_Integer t[3];
0d88155b 1152
7fd59977 1153 // count the free edges
1154 nFree = 0;
1155 for (i = 1; i <= nbTriangles; i++) {
1156 pc.Triangles(i,t[0],t[1],t[2]);
1157 for (j = 0; j < 3; j++)
0d88155b 1158 if (t[j] == 0) nFree++;
7fd59977 1159 }
0d88155b 1160
7fd59977 1161 // allocate the arrays
1162 TColStd_Array1OfInteger Free(1,2*nFree);
1163 nInternal = (3*nbTriangles - nFree) / 2;
1164 TColStd_Array1OfInteger Internal(0,2*nInternal);
0d88155b 1165
7fd59977 1166 Standard_Integer fr = 1, in = 1;
1167 const Poly_Array1OfTriangle& triangles = T->Triangles();
1168 Standard_Integer nodes[3];
1169 for (i = 1; i <= nbTriangles; i++) {
1170 pc.Triangles(i,t[0],t[1],t[2]);
1171 triangles(i).Get(nodes[0],nodes[1],nodes[2]);
1172 for (j = 0; j < 3; j++) {
0d88155b
O		 1173 Standard_Integer k = (j+1) % 3;
1174 if (t[j] == 0) {
1175 Free(fr) = nodes[j];
1176 Free(fr+1) = nodes[k];
1177 fr += 2;
1178 }
1179 // internal edge if this triangle has a lower index than the adjacent
1180 else if (i < t[j]) {
1181 Internal(in) = nodes[j];
1182 Internal(in+1) = nodes[k];
1183 in += 2;
1184 }
7fd59977 1185 }
1186 }
0d88155b 1187
7fd59977 1188 // Display the edges
1189 if (T->HasUVNodes()) {
1190 const TColgp_Array1OfPnt2d& Nodes2d = T->UVNodes();
1191
1192 Handle(Draw_Segment2D) Seg;
1193
1194 // free edges
1195 Standard_Integer nn;
1196 nn = Free.Length() / 2;
1197 for (i = 1; i <= nn; i++) {
0d88155b
O		 1198 Seg = new Draw_Segment2D(Nodes2d(Free(2*i-1)),
1199 Nodes2d(Free(2*i)),
1200 Draw_rouge);
1201 dout << Seg;
7fd59977 1202 }
0d88155b 1203
7fd59977 1204 // internal edges
0d88155b 1205
7fd59977 1206 nn = nInternal;
1207 for (i = 1; i <= nn; i++) {
0d88155b
O		 1208 Seg = new Draw_Segment2D(Nodes2d(Internal(2*i-1)),
1209 Nodes2d(Internal(2*i)),
1210 Draw_bleu);
1211 dout << Seg;
7fd59977 1212 }
1213 }
1214 dout.Flush();
1215 }
1216
1217 return 0;
1218}
1219
1220
1221
1222
1223//=======================================================================
1224//function : wavefront
1225//purpose :
1226//=======================================================================
1227
1228static Standard_Integer wavefront(Draw_Interpretor&, Standard_Integer nbarg, const char** argv)
1229{
1230 if (nbarg < 2) return 1;
1231
1232 TopoDS_Shape S = DBRep::Get(argv[1]);
1233 if (S.IsNull()) return 1;
1234
1235 // creation du maillage s'il n'existe pas.
1236
1237 Bnd_Box B;
1238 Standard_Real aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
1239 BRepBndLib::Add(S, B);
1240 B.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
1241 Standard_Real aDeflection =
1242 MAX3( aXmax-aXmin , aYmax-aYmin , aZmax-aZmin) * 0.004;
1243
1244 BRepMesh_IncrementalMesh(S, aDeflection);
1245
1246
1247 TopLoc_Location L;
1248 TopExp_Explorer ex;
1249
1250 Standard_Integer i, nbface = 0;
1251 Standard_Boolean OK = Standard_True;
1252 gp_Vec D1U,D1V;
1253 gp_Vec D2U,D2V,D2UV;
1254 gp_Dir Nor;
1255 gp_Pnt P;
1256 Standard_Real U, V;
1257 CSLib_DerivativeStatus Status;
1258 CSLib_NormalStatus NStat;
1259 Standard_Real x, y, z;
1260 Standard_Integer n1, n2, n3;
1261 Standard_Integer k1, k2, k3;
0d88155b 1262
7fd59977 1263 char ffile[100];
0d88155b 1264
7fd59977 1265 if (nbarg == 3) {
1266 strcpy(ffile, argv[2]);
1267 strcat(ffile, ".obj");
1268 }
1269 else strcpy(ffile, "wave.obj");
1270 FILE* outfile = fopen(ffile, "w");
1271
1272
1273 fprintf(outfile, "%s %s\n%s %s\n\n", "# CASCADE ","MATRA DATAVISION", "#", ffile);
1274
1275 Standard_Integer nbNodes, totalnodes = 0, nbpolygons = 0;
1276 for (ex.Init(S, TopAbs_FACE); ex.More(); ex.Next()) {
1277 nbface++;
1278 TopoDS_Face F = TopoDS::Face(ex.Current());
1279 Handle(Poly_Triangulation) Tr = BRep_Tool::Triangulation(F, L);
0d88155b 1280
7fd59977 1281 if (!Tr.IsNull()) {
1282 nbNodes = Tr->NbNodes();
1283 const TColgp_Array1OfPnt& Nodes = Tr->Nodes();
0d88155b 1284
7fd59977 1285 // les noeuds.
1286 for (i = 1; i <= nbNodes; i++) {
0d88155b
O		 1287 gp_Pnt Pnt = Nodes(i).Transformed(L.Transformation());
1288 x = Pnt.X();
1289 y = Pnt.Y();
1290 z = Pnt.Z();
1291 fprintf(outfile, "%s %f %f %f\n", "v", x, y, z);
7fd59977 1292 }
0d88155b 1293
7fd59977 1294 fprintf(outfile, "\n%s %d\n\n", "# number of vertex", nbNodes);
0d88155b
O		 1295
1296
7fd59977 1297 // les normales.
0d88155b 1298
7fd59977 1299 if (Tr->HasUVNodes()) {
0d88155b
O		 1300 const TColgp_Array1OfPnt2d& UVNodes = Tr->UVNodes();
1301 BRepAdaptor_Surface BS(F, Standard_False);
1302
1303 for (i = 1; i <= nbNodes; i++) {
1304 U = UVNodes(i).X();
1305 V = UVNodes(i).Y();
1306
1307 BS.D1(U,V,P,D1U,D1V);
1308 CSLib::Normal(D1U,D1V,Precision::Angular(),Status,Nor);
1309 if (Status != CSLib_Done) {
1310 BS.D2(U,V,P,D1U,D1V,D2U,D2V,D2UV);
1311 CSLib::Normal(D1U,D1V,D2U,D2V,D2UV,Precision::Angular(),OK,NStat,Nor);
1312 }
1313 if (F.Orientation() == TopAbs_REVERSED) Nor.Reverse();
1314
1315 fprintf(outfile, "%s %f %f %f\n", "vn", Nor.X(), Nor.Y(), Nor.Z());
1316 }
1317
1318 fprintf(outfile, "\n%s %d\n\n", "# number of vertex normals", nbNodes);
7fd59977 1319 }
0d88155b 1320
7fd59977 1321 fprintf(outfile, "%s %d\n", "s", nbface);
0d88155b 1322
7fd59977 1323 // les triangles.
1324 Standard_Integer nbTriangles = Tr->NbTriangles();
1325 const Poly_Array1OfTriangle& triangles = Tr->Triangles();
0d88155b
O		 1326
1327
7fd59977 1328 for (i = 1; i <= nbTriangles; i++) {
0d88155b
O		 1329 if (F.Orientation() == TopAbs_REVERSED)
1330 triangles(i).Get(n1, n3, n2);
1331 else
1332 triangles(i).Get(n1, n2, n3);
1333 k1 = n1+totalnodes;
1334 k2 = n2+totalnodes;
1335 k3 = n3+totalnodes;
1336 fprintf(outfile, "%s %d%s%d %d%s%d %d%s%d\n", "fo", k1,"//", k1, k2,"//", k2, k3,"//", k3);
7fd59977 1337 }
1338 nbpolygons += nbTriangles;
1339 totalnodes += nbNodes;
0d88155b 1340
7fd59977 1341 fprintf(outfile, "\n%s %d\n", "# number of smooth groups", nbface);
1342 fprintf(outfile, "\n%s %d\n", "# number of polygons", nbpolygons);
0d88155b 1343
7fd59977 1344 }
1345 }
1346
1347 fclose(outfile);
1348
1349 return 0;
1350}
1351
1352
1353//=======================================================================
1354//function : onetriangulation
1355//purpose :
1356//=======================================================================
1357
35e08fe8 1358Standard_Integer onetriangulation(Draw_Interpretor&, Standard_Integer /*nbarg*/, const char** /*argv*/)
7fd59977 1359{
1360
0d88155b 1361 /*
7fd59977 1362
1363 if (nbarg < 2) return 1;
1364
1365 TopoDS_Shape S = DBRep::Get(argv[1]);
1366 if (S.IsNull()) return 1;
0d88155b 1367
7fd59977 1368 Handle(Poly_Triangulation) TFinale;
1369 char name[100];
1370 Standard_Integer nbshell = 0;
1371
1372 TopExp_Explorer ex, exs, ex2;
0d88155b 1373
7fd59977 1374 for (ex.Init(S, TopAbs_SHELL); ex.More(); ex.Next()) {
0d88155b
O		 1375 nbshell++;
1376 TopoDS_Shell Sh = TopoDS::Shell(ex.Current());
1377
1378 for (exs.Init(Sh, TopAbs_Face); exs.More(); exs.Next()) {
1379 TopoDS_Face F = TopoDS::Face(exs.Current());
1380 Handle(Poly_Triangulation) T = BRep_Tool::Triangulation(F, L);
1381
1382 for (ex2.Init(F, TopAbs_EDGE); ex2.More(); ex2.Next()) {
1383 TopoDS_Edge edge = TopoDS::Edge(ex2.Current());
1384 const TColgp_Array1OfPnt& Nodes = T->Nodes();
1385 const Poly_Array1OfTriangle& triangles = T->Triangles();
7fd59977 1386
0d88155b
O		 1387 if (mapedges.IsBound(edge)) {
1388 const TColStd_ListOfTransient& L = edges.Find(edge);
1389 const Handle(Poly_PolygonOnTriangulation)& P =
1390 *(Handle(Poly_PolygonOnTriangulation)*)&(L.First());
1391 const TColStd_Array1OfInteger& NOD = P->Nodes();
1392
1393 }
1394 }
7fd59977 1395 }
1396
91322f44 1397 Sprintf(name, "%s_%i", "tr", nbshell);
0d88155b
O		 1398 DrawTrSurf::Set(name, TFinale);
1399
1400 }
1401
1402 */
7fd59977 1403 return 0;
1404}
1405
1406
1407#if 0
1408
1409//=======================================================================
1410//function : vb
1411//purpose :
1412//=======================================================================
1413
1414Standard_Integer vb(Draw_Interpretor& di, Standard_Integer nbarg, const char** argv)
1415{
1416 Standard_Integer NbPoints = 1, Deg = 1;
1417
1418 for (Deg = 1; Deg <= 25; Deg++) {
1419 for (NbPoints = 1; NbPoints <= 24; NbPoints++) {
1420
1421 math_Vector GaussP(1, NbPoints), GaussW(1, NbPoints);
1422 math_Vector TheWeights(1, NbPoints), VBParam(1, NbPoints);
1423 math_Matrix VB(1, Deg+1, 1, NbPoints);
0d88155b 1424
7fd59977 1425 math::GaussPoints(NbPoints, GaussP);
0d88155b 1426
7fd59977 1427 Standard_Integer i, j, classe = Deg+1, cl1 = Deg;
0d88155b 1428
7fd59977 1429 // calcul et mise en ordre des parametres et des poids:
1430 for (i = 1; i <= NbPoints; i++) {
0d88155b
O		 1431 if (i <= (NbPoints+1)/2) {
1432 VBParam(NbPoints-i+1) = 0.5*(1 + GaussP(i));
1433 }
1434 else {
1435 VBParam(i-(NbPoints+1)/2) = 0.5*(1 + GaussP(i));
1436 }
7fd59977 1437 }
0d88155b
O		 1438
1439
7fd59977 1440 // Calcul du VB (Valeur des fonctions de Bernstein):
1441 for (i = 1; i <= classe; i++) {
0d88155b
O		 1442 for (j = 1; j <= NbPoints; j++) {
1443 VB(i,j)=PLib::Binomial(cl1,i-1)*Pow((1-VBParam(j)),classe-i)*Pow(VBParam(j),i-1);
1444 }
7fd59977 1445 }
0d88155b
O		 1446
1447
7fd59977 1448 for (i = 1; i <= classe; i++) {
0d88155b
O		 1449 for (j = 1; j <= NbPoints; j++) {
1450 di<< VB(i, j) << ", ";
1451 }
7fd59977 1452 }
1453 di << "\n" << "\n";
1454 }
1455 }
1456 return 0;
1457}
1458//=======================================================================
1459//function : extrema
1460//purpose :
1461//=======================================================================
1462
1463Standard_Integer extrema(Draw_Interpretor& di, Standard_Integer nbarg, const char** argv)
1464{
0d88155b
O		 1465
1466
7fd59977 1467 Handle(Geom_Curve) C = DrawTrSurf::GetCurve(argv[1]);
1468
1469 Standard_Real X, Y, Z, U0;
91322f44 1470 X = Draw::Atof(argv[2]);
1471 Y = Draw::Atof(argv[3]);
1472 Z = Draw::Atof(argv[4]);
1473 U0 = Draw::Atof(argv[5]);
7fd59977 1474
1475 gp_Pnt P(X, Y, Z);
1476 GeomAdaptor_Curve GC(C);
1477 Standard_Real tol = 1.e-09;
1478 Extrema_LocateExtPC ext(P, GC, U0, tol);
1479
1480 if (ext.IsDone()) {
1481 gp_Pnt P1 = ext.Point().Value();
1482 di <<"distance = "<<ext.Value() << "\n";
1483 di <<"point = "<<P1.X()<<" "<<P1.Y()<<" "<< P1.Z()<< "\n";
1484 di <<"parametre = "<<ext.Point().Parameter()<<"\n";
1485 }
1486
1487 return 0;
1488}
1489
1490#endif
1491
1492
d51c7072
O		 1493//=======================================================================
1494//function : triedgepoints
1495//purpose :
1496//=======================================================================
1497
1498Standard_Integer triedgepoints(Draw_Interpretor& di, Standard_Integer nbarg, const char** argv)
1499{
1500 if( nbarg < 2 )
1501 return 1;
7fd59977 1502
d51c7072
O		 1503 for( Standard_Integer i = 1; i < nbarg; i++ )
1504 {
1505 TopoDS_Shape aShape = DBRep::Get(argv[i]);
1506 if ( aShape.IsNull() )
1507 continue;
1508
1509 Handle(Poly_PolygonOnTriangulation) aPoly;
1510 Handle(Poly_Triangulation) aT;
1511 TopLoc_Location aLoc;
1512 TopTools_MapOfShape anEdgeMap;
1513 TopTools_MapIteratorOfMapOfShape it;
1514
1515 if( aShape.ShapeType() == TopAbs_EDGE )
1516 {
1517 anEdgeMap.Add( aShape );
1518 }
1519 else
1520 {
1521 TopExp_Explorer ex(aShape, TopAbs_EDGE);
1522 for(; ex.More(); ex.Next() )
1523 anEdgeMap.Add( ex.Current() );
1524 }
1525
1526 if ( anEdgeMap.Extent() == 0 )
1527 continue;
1528
1529 char newname[1024];
1530 strcpy(newname,argv[i]);
1531 char* p = newname;
1532 while (*p != '\0') p++;
1533 *p = '_';
1534 p++;
1535
1536 Standard_Integer nbEdge = 1;
1537 for(it.Initialize(anEdgeMap); it.More(); it.Next())
1538 {
1539 BRep_Tool::PolygonOnTriangulation(TopoDS::Edge(it.Key()), aPoly, aT, aLoc);
1540 if ( aT.IsNull() || aPoly.IsNull() )
1541 continue;
1542
1543 const TColgp_Array1OfPnt& Nodes = aT->Nodes();
1544 const TColStd_Array1OfInteger& Indices = aPoly->Nodes();
1545 const Standard_Integer nbnodes = Indices.Length();
1546
1547 for( Standard_Integer j = 1; j <= nbnodes; j++ )
1548 {
1549 gp_Pnt P3d = Nodes(Indices(j));
1550 if( !aLoc.IsIdentity() )
1551 P3d.Transform(aLoc.Transformation());
1552
1553 if( anEdgeMap.Extent() > 1 )
91322f44 1554 Sprintf(p,"%d_%d",nbEdge,j);
d51c7072 1555 else
91322f44 1556 Sprintf(p,"%d",j);
d51c7072
O		 1557 DBRep::Set( newname, BRepBuilderAPI_MakeVertex(P3d) );
1558 di.AppendElement(newname);
1559 }
1560 nbEdge++;
1561 }
1562 }
1563 return 0;
1564}
7fd59977 1565
1566//=======================================================================
0d88155b 1567void MeshTest::Commands(Draw_Interpretor& theCommands)
7fd59977 1568//=======================================================================
1569{
1570 Draw::Commands(theCommands);
1571 BRepTest::AllCommands(theCommands);
1572 GeometryTest::AllCommands(theCommands);
1573 MeshTest::PluginCommands(theCommands);
1574 const char* g;
1575
1576 g = "Mesh Commands";
0d88155b 1577
7fd59977 1578 theCommands.Add("shpsec","shpsec result shape shape",__FILE__, shapesection, g);
1579 theCommands.Add("plnsec","plnsec result shape plane",__FILE__, planesection, g);
416d4426 1580 theCommands.Add("incmesh","incmesh shape deflection [inParallel (0/1) : 0 by default]",__FILE__, incrementalmesh, g);
7fd59977 1581 theCommands.Add("MemLeakTest","MemLeakTest",__FILE__, MemLeakTest, g);
1582 theCommands.Add("fastdiscret","fastdiscret shape deflection [shared [nbiter]]",__FILE__, fastdiscret, g);
1583 theCommands.Add("mesh","mesh result Shape deflection [save partage]",__FILE__, triangule, g);
1584 theCommands.Add("addshape","addshape meshname Shape [deflection]",__FILE__, addshape, g);
1585 //theCommands.Add("smooth","smooth meshname",__FILE__, smooth, g);
1586 //theCommands.Add("edges","edges mesh shape, highlight the edges",__FILE__,edges, g);
1587 theCommands.Add("vertices","vertices mesh shape, highlight the vertices",__FILE__,vertices, g);
1588 theCommands.Add("medge","medge mesh [-]index (0 to clear all)",__FILE__,medge, g);
1589 theCommands.Add("mvertex","mvertex mesh [-]index (0 to clear all)",__FILE__,mvertex, g);
1590 theCommands.Add("triangle","triangle mesh [-]index (0 to clear all)",__FILE__,triangle, g);
1591 //theCommands.Add("dumpvertex","dumpvertex mesh [index]",__FILE__,dumpvertex, g);
1592 //theCommands.Add("dumpedge","dumpedge mesh [index]",__FILE__,dumpedge, g);
1593 //theCommands.Add("dumptriangle","dumptriangle mesh [index]",__FILE__,dumptriangle, g);
1594
1595 theCommands.Add("tri2d", "tri2d facename",__FILE__, tri2d, g);
1596 theCommands.Add("trinfo","trinfo name, print triangles information on objects",__FILE__,trianglesinfo,g);
1597 theCommands.Add("veriftriangles","veriftriangles name, verif triangles",__FILE__,veriftriangles,g);
1598 theCommands.Add("wavefront","wavefront name",__FILE__, wavefront, g);
1599 theCommands.Add("onetriangulation","onetriangulation name",__FILE__, onetriangulation, g);
d51c7072 1600 theCommands.Add("triepoints", "triepoints shape1 [shape2 ...]",__FILE__, triedgepoints, g);
7fd59977 1601
1602#if 0
1603 theCommands.Add("extrema","extrema ",__FILE__, extrema, g);
1604 theCommands.Add("vb","vb ",__FILE__, vb, g);
1605#endif
1606}
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