1 // SMESH SMESH : implementaion of SMESH idl descriptions
3 // Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
24 // File : SMESH_Hexa_3D.cxx
25 // Author : Paul RASCLE, EDF
30 #include "SMESH_Hexa_3D.hxx"
31 #include "SMESH_Quadrangle_2D.hxx"
32 #include "SMESH_Gen.hxx"
33 #include "SMESH_Mesh.hxx"
35 #include "SMDS_MeshElement.hxx"
36 #include "SMDS_MeshNode.hxx"
37 #include "SMDS_FacePosition.hxx"
40 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
41 #include <TopTools_ListOfShape.hxx>
42 #include <TopTools_ListIteratorOfListOfShape.hxx>
43 #include <TColStd_ListIteratorOfListOfInteger.hxx>
45 #include <BRep_Tool.hxx>
46 #include <Geom_Surface.hxx>
47 #include <Geom_Curve.hxx>
48 #include <Geom2d_Curve.hxx>
49 #include <Handle_Geom2d_Curve.hxx>
50 #include <Handle_Geom_Curve.hxx>
52 #include "utilities.h"
54 //=============================================================================
58 //=============================================================================
60 SMESH_Hexa_3D::SMESH_Hexa_3D(int hypId, int studyId,
61 SMESH_Gen * gen):SMESH_3D_Algo(hypId, studyId, gen)
63 MESSAGE("SMESH_Hexa_3D::SMESH_Hexa_3D");
65 // _shapeType = TopAbs_SOLID;
66 _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit /shape type
67 // MESSAGE("_shapeType octal " << oct << _shapeType);
68 for (int i = 0; i < 6; i++)
72 //=============================================================================
76 //=============================================================================
78 SMESH_Hexa_3D::~SMESH_Hexa_3D()
80 MESSAGE("SMESH_Hexa_3D::~SMESH_Hexa_3D");
83 //=============================================================================
87 //=============================================================================
89 bool SMESH_Hexa_3D::CheckHypothesis(SMESH_Mesh & aMesh,
90 const TopoDS_Shape & aShape)
92 MESSAGE("SMESH_Hexa_3D::CheckHypothesis");
101 //=============================================================================
103 * Hexahedron mesh on hexaedron like form
104 * -0. - shape and face mesh verification
105 * -1. - identify faces and vertices of the "cube"
106 * -2. - Algorithm from:
107 * "Application de l'interpolation transfinie à la création de maillages
108 * C0 ou G1 continus sur des triangles, quadrangles, tetraedres, pentaedres
109 * et hexaedres déformés."
110 * Alain PERONNET - 8 janvier 1999
112 //=============================================================================
114 bool SMESH_Hexa_3D::Compute(SMESH_Mesh & aMesh,
115 const TopoDS_Shape & aShape)throw(SALOME_Exception)
117 MESSAGE("SMESH_Hexa_3D::Compute");
120 SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
121 SMESH_subMesh *theSubMesh = aMesh.GetSubMesh(aShape);
122 //const SMESHDS_SubMesh *& subMeshDS = theSubMesh->GetSubMeshDS();
124 // 0. - shape and face mesh verification
125 // 0.1 - shape must be a solid (or a shell) with 6 faces
128 vector < SMESH_subMesh * >meshFaces;
129 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next())
131 SMESH_subMesh *aSubMesh = aMesh.GetSubMeshContaining(exp.Current());
133 meshFaces.push_back(aSubMesh);
135 if (meshFaces.size() != 6)
137 SCRUTE(meshFaces.size());
142 // 0.2 - is each face meshed with Quadrangle_2D? (so, with a wire of 4 edges)
145 for (int i = 0; i < 6; i++)
147 TopoDS_Shape aShape = meshFaces[i]->GetSubShape();
148 SMESH_Algo *algo = _gen->GetAlgo(aMesh, aShape);
149 string algoName = algo->GetName();
150 if (algoName != "Quadrangle_2D")
157 SMESH_Quadrangle_2D *quadAlgo =
158 dynamic_cast < SMESH_Quadrangle_2D * >(algo);
162 _quads[i] = quadAlgo->CheckAnd2Dcompute(aMesh, aShape);
163 // *** to delete after usage
165 catch(SALOME_Exception & S_ex)
168 // *** throw exception
173 // 1. - identify faces and vertices of the "cube"
174 // 1.1 - ancestor maps vertex->edges in the cube
177 TopTools_IndexedDataMapOfShapeListOfShape MS;
178 TopExp::MapShapesAndAncestors(aShape, TopAbs_VERTEX, TopAbs_EDGE, MS);
180 // 1.2 - first face is choosen as face Y=0 of the unit cube
183 const TopoDS_Shape & aFace = meshFaces[0]->GetSubShape();
184 const TopoDS_Face & F = TopoDS::Face(aFace);
186 // 1.3 - identify the 4 vertices of the face Y=0: V000, V100, V101, V001
190 TopoDS_Edge E = _quads[0]->edge[i]; //edge will be Y=0,Z=0 on unit cube
192 Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
193 TopoDS_Vertex VFirst, VLast;
194 TopExp::Vertices(E, VFirst, VLast); // corresponds to f and l
196 (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
200 _cube.V000 = VFirst; // will be (0,0,0) on the unit cube
201 _cube.V100 = VLast; // will be (1,0,0) on the unit cube
210 E = _quads[0]->edge[i];
211 C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
212 TopExp::Vertices(E, VFirst, VLast);
213 isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
215 _cube.V101 = VLast; // will be (1,0,1) on the unit cube
220 E = _quads[0]->edge[i];
221 C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
222 TopExp::Vertices(E, VFirst, VLast);
223 isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
225 _cube.V001 = VLast; // will be (0,0,1) on the unit cube
229 // 1.4 - find edge X=0, Z=0 (ancestor of V000 not in face Y=0)
230 // - find edge X=1, Z=0 (ancestor of V100 not in face Y=0)
231 // - find edge X=1, Z=1 (ancestor of V101 not in face Y=0)
232 // - find edge X=0, Z=1 (ancestor of V001 not in face Y=0)
235 TopoDS_Edge E_0Y0 = EdgeNotInFace(aMesh, aShape, F, _cube.V000, MS);
236 ASSERT(!E_0Y0.IsNull());
238 TopoDS_Edge E_1Y0 = EdgeNotInFace(aMesh, aShape, F, _cube.V100, MS);
239 ASSERT(!E_1Y0.IsNull());
241 TopoDS_Edge E_1Y1 = EdgeNotInFace(aMesh, aShape, F, _cube.V101, MS);
242 ASSERT(!E_1Y1.IsNull());
244 TopoDS_Edge E_0Y1 = EdgeNotInFace(aMesh, aShape, F, _cube.V001, MS);
245 ASSERT(!E_0Y1.IsNull());
247 // 1.5 - identify the 4 vertices in face Y=1: V010, V110, V111, V011
250 TopExp::Vertices(E_0Y0, VFirst, VLast);
251 if (VFirst.IsSame(_cube.V000))
256 TopExp::Vertices(E_1Y0, VFirst, VLast);
257 if (VFirst.IsSame(_cube.V100))
262 TopExp::Vertices(E_1Y1, VFirst, VLast);
263 if (VFirst.IsSame(_cube.V101))
268 TopExp::Vertices(E_0Y1, VFirst, VLast);
269 if (VFirst.IsSame(_cube.V001))
274 // 1.6 - find remaining faces given 4 vertices
278 _cube.quad_Y0 = _quads[_indY0];
280 _indY1 = GetFaceIndex(aMesh, aShape, meshFaces,
281 _cube.V010, _cube.V011, _cube.V110, _cube.V111);
282 _cube.quad_Y1 = _quads[_indY1];
284 _indZ0 = GetFaceIndex(aMesh, aShape, meshFaces,
285 _cube.V000, _cube.V010, _cube.V100, _cube.V110);
286 _cube.quad_Z0 = _quads[_indZ0];
288 _indZ1 = GetFaceIndex(aMesh, aShape, meshFaces,
289 _cube.V001, _cube.V011, _cube.V101, _cube.V111);
290 _cube.quad_Z1 = _quads[_indZ1];
292 _indX0 = GetFaceIndex(aMesh, aShape, meshFaces,
293 _cube.V000, _cube.V001, _cube.V010, _cube.V011);
294 _cube.quad_X0 = _quads[_indX0];
296 _indX1 = GetFaceIndex(aMesh, aShape, meshFaces,
297 _cube.V100, _cube.V101, _cube.V110, _cube.V111);
298 _cube.quad_X1 = _quads[_indX1];
302 // 1.7 - get convertion coefs from face 2D normalized to 3D normalized
304 Conv2DStruct cx0; // for face X=0
305 Conv2DStruct cx1; // for face X=1
311 GetConv2DCoefs(*_cube.quad_X0, meshFaces[_indX0]->GetSubShape(),
312 _cube.V000, _cube.V010, _cube.V011, _cube.V001, cx0);
313 GetConv2DCoefs(*_cube.quad_X1, meshFaces[_indX1]->GetSubShape(),
314 _cube.V100, _cube.V110, _cube.V111, _cube.V101, cx1);
315 GetConv2DCoefs(*_cube.quad_Y0, meshFaces[_indY0]->GetSubShape(),
316 _cube.V000, _cube.V100, _cube.V101, _cube.V001, cy0);
317 GetConv2DCoefs(*_cube.quad_Y1, meshFaces[_indY1]->GetSubShape(),
318 _cube.V010, _cube.V110, _cube.V111, _cube.V011, cy1);
319 GetConv2DCoefs(*_cube.quad_Z0, meshFaces[_indZ0]->GetSubShape(),
320 _cube.V000, _cube.V100, _cube.V110, _cube.V010, cz0);
321 GetConv2DCoefs(*_cube.quad_Z1, meshFaces[_indZ1]->GetSubShape(),
322 _cube.V001, _cube.V101, _cube.V111, _cube.V011, cz1);
324 // 1.8 - create a 3D structure for normalized values
327 int nbx = _cube.quad_Y0->nbPts[0];
328 int nby = _cube.quad_Y0->nbPts[1];
331 nbz = _cube.quad_X0->nbPts[1];
333 nbz = _cube.quad_X0->nbPts[0];
337 int nbxyz = nbx * nby * nbz;
338 Point3DStruct *np = new Point3DStruct[nbxyz];
340 // 1.9 - store node indexes of faces
343 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX0]->GetSubShape());
345 faceQuadStruct *quad = _cube.quad_X0;
346 int i = 0; // j = x/face , k = y/face
347 int nbdown = quad->nbPts[0];
348 int nbright = quad->nbPts[1];
351 SMDS_Iterator<const SMDS_MeshNode *> * itf=
352 aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
356 const SMDS_MeshNode * node = itf->next();
357 const SMDS_FacePosition* fpos
358 = static_cast<const SMDS_FacePosition*>(node->GetPosition());
359 double ri = fpos->GetUParameter();
360 double rj = fpos->GetVParameter();
363 int ij1 = j1 * nbdown + i1;
364 quad->uv_grid[ij1].node = node;
368 for (int i1 = 0; i1 < nbdown; i1++)
369 for (int j1 = 0; j1 < nbright; j1++)
371 int ij1 = j1 * nbdown + i1;
372 int j = cx0.ia * i1 + cx0.ib * j1 + cx0.ic; // j = x/face
373 int k = cx0.ja * i1 + cx0.jb * j1 + cx0.jc; // k = y/face
374 int ijk = k * nbx * nby + j * nbx + i;
375 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
376 np[ijk].node = quad->uv_grid[ij1].node;
377 //SCRUTE(np[ijk].nodeId);
382 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX1]->GetSubShape());
384 SMDS_Iterator<const SMDS_MeshNode *> * itf=
385 aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
387 faceQuadStruct *quad = _cube.quad_X1;
388 int i = nbx - 1; // j = x/face , k = y/face
389 int nbdown = quad->nbPts[0];
390 int nbright = quad->nbPts[1];
394 const SMDS_MeshNode * node = itf->next();
395 const SMDS_FacePosition* fpos
396 = static_cast<const SMDS_FacePosition*>(node->GetPosition());
397 double ri = fpos->GetUParameter();
398 double rj = fpos->GetVParameter();
401 int ij1 = j1 * nbdown + i1;
402 quad->uv_grid[ij1].node = node;
406 for (int i1 = 0; i1 < nbdown; i1++)
407 for (int j1 = 0; j1 < nbright; j1++)
409 int ij1 = j1 * nbdown + i1;
410 int j = cx1.ia * i1 + cx1.ib * j1 + cx1.ic; // j = x/face
411 int k = cx1.ja * i1 + cx1.jb * j1 + cx1.jc; // k = y/face
412 int ijk = k * nbx * nby + j * nbx + i;
413 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
414 np[ijk].node = quad->uv_grid[ij1].node;
415 //SCRUTE(np[ijk].nodeId);
420 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY0]->GetSubShape());
422 SMDS_Iterator<const SMDS_MeshNode *> * itf=
423 aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
425 faceQuadStruct *quad = _cube.quad_Y0;
426 int j = 0; // i = x/face , k = y/face
427 int nbdown = quad->nbPts[0];
428 int nbright = quad->nbPts[1];
432 const SMDS_MeshNode * node = itf->next();
433 const SMDS_FacePosition * fpos
434 = static_cast<const SMDS_FacePosition*>(node->GetPosition());
435 double ri = fpos->GetUParameter();
436 double rj = fpos->GetVParameter();
439 int ij1 = j1 * nbdown + i1;
440 quad->uv_grid[ij1].node = node;
444 for (int i1 = 0; i1 < nbdown; i1++)
445 for (int j1 = 0; j1 < nbright; j1++)
447 int ij1 = j1 * nbdown + i1;
448 int i = cy0.ia * i1 + cy0.ib * j1 + cy0.ic; // i = x/face
449 int k = cy0.ja * i1 + cy0.jb * j1 + cy0.jc; // k = y/face
450 int ijk = k * nbx * nby + j * nbx + i;
451 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
452 np[ijk].node = quad->uv_grid[ij1].node;
453 //SCRUTE(np[ijk].nodeId);
458 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY1]->GetSubShape());
460 SMDS_Iterator<const SMDS_MeshNode *> * itf=
461 aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
463 faceQuadStruct *quad = _cube.quad_Y1;
464 int j = nby - 1; // i = x/face , k = y/face
465 int nbdown = quad->nbPts[0];
466 int nbright = quad->nbPts[1];
470 const SMDS_MeshNode * node = itf->next();
471 const SMDS_FacePosition* fpos =
472 static_cast<const SMDS_FacePosition *>(node->GetPosition());
473 double ri = fpos->GetUParameter();
474 double rj = fpos->GetVParameter();
477 int ij1 = j1 * nbdown + i1;
478 quad->uv_grid[ij1].node = node;
481 for (int i1 = 0; i1 < nbdown; i1++)
482 for (int j1 = 0; j1 < nbright; j1++)
484 int ij1 = j1 * nbdown + i1;
485 int i = cy1.ia * i1 + cy1.ib * j1 + cy1.ic; // i = x/face
486 int k = cy1.ja * i1 + cy1.jb * j1 + cy1.jc; // k = y/face
487 int ijk = k * nbx * nby + j * nbx + i;
488 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
489 np[ijk].node = quad->uv_grid[ij1].node;
490 //SCRUTE(np[ijk].nodeId);
495 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ0]->GetSubShape());
497 SMDS_Iterator<const SMDS_MeshNode *> * itf=
498 aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
500 faceQuadStruct *quad = _cube.quad_Z0;
501 int k = 0; // i = x/face , j = y/face
502 int nbdown = quad->nbPts[0];
503 int nbright = quad->nbPts[1];
507 const SMDS_MeshNode * node = itf->next();
508 const SMDS_FacePosition * fpos
509 = static_cast<const SMDS_FacePosition*>(node->GetPosition());
510 double ri = fpos->GetUParameter();
511 double rj = fpos->GetVParameter();
514 int ij1 = j1 * nbdown + i1;
515 quad->uv_grid[ij1].node = node;
518 for (int i1 = 0; i1 < nbdown; i1++)
519 for (int j1 = 0; j1 < nbright; j1++)
521 int ij1 = j1 * nbdown + i1;
522 int i = cz0.ia * i1 + cz0.ib * j1 + cz0.ic; // i = x/face
523 int j = cz0.ja * i1 + cz0.jb * j1 + cz0.jc; // j = y/face
524 int ijk = k * nbx * nby + j * nbx + i;
525 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
526 np[ijk].node = quad->uv_grid[ij1].node;
527 //SCRUTE(np[ijk].nodeId);
532 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ1]->GetSubShape());
534 SMDS_Iterator<const SMDS_MeshNode *> * itf=
535 aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
537 faceQuadStruct *quad = _cube.quad_Z1;
538 int k = nbz - 1; // i = x/face , j = y/face
539 int nbdown = quad->nbPts[0];
540 int nbright = quad->nbPts[1];
544 const SMDS_MeshNode * node = itf->next();
545 const SMDS_FacePosition* fpos
546 = static_cast<const SMDS_FacePosition*>(node->GetPosition());
547 double ri = fpos->GetUParameter();
548 double rj = fpos->GetVParameter();
551 int ij1 = j1 * nbdown + i1;
552 quad->uv_grid[ij1].node = node;
555 for (int i1 = 0; i1 < nbdown; i1++)
556 for (int j1 = 0; j1 < nbright; j1++)
558 int ij1 = j1 * nbdown + i1;
559 int i = cz1.ia * i1 + cz1.ib * j1 + cz1.ic; // i = x/face
560 int j = cz1.ja * i1 + cz1.jb * j1 + cz1.jc; // j = y/face
561 int ijk = k * nbx * nby + j * nbx + i;
562 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
563 np[ijk].node = quad->uv_grid[ij1].node;
564 //SCRUTE(np[ijk].nodeId);
568 // 2.0 - for each node of the cube:
569 // - get the 8 points 3D = 8 vertices of the cube
570 // - get the 12 points 3D on the 12 edges of the cube
571 // - get the 6 points 3D on the 6 faces with their ID
572 // - compute the point 3D
573 // - store the point 3D in SMESHDS, store its ID in 3D structure
576 TopExp_Explorer exp(aShape, TopAbs_SHELL);
579 aShell = TopoDS::Shell(exp.Current());
583 MESSAGE("no shell...");
587 Pt3 p000, p001, p010, p011, p100, p101, p110, p111;
588 Pt3 px00, px01, px10, px11;
589 Pt3 p0y0, p0y1, p1y0, p1y1;
590 Pt3 p00z, p01z, p10z, p11z;
591 Pt3 pxy0, pxy1, px0z, px1z, p0yz, p1yz;
593 GetPoint(p000, 0, 0, 0, nbx, nby, nbz, np, meshDS);
594 GetPoint(p001, 0, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
595 GetPoint(p010, 0, nby - 1, 0, nbx, nby, nbz, np, meshDS);
596 GetPoint(p011, 0, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
597 GetPoint(p100, nbx - 1, 0, 0, nbx, nby, nbz, np, meshDS);
598 GetPoint(p101, nbx - 1, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
599 GetPoint(p110, nbx - 1, nby - 1, 0, nbx, nby, nbz, np, meshDS);
600 GetPoint(p111, nbx - 1, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
602 for (int i = 1; i < nbx - 1; i++)
604 for (int j = 1; j < nby - 1; j++)
606 for (int k = 1; k < nbz - 1; k++)
608 // *** seulement maillage regulier
609 // 12 points on edges
610 GetPoint(px00, i, 0, 0, nbx, nby, nbz, np, meshDS);
611 GetPoint(px01, i, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
612 GetPoint(px10, i, nby - 1, 0, nbx, nby, nbz, np, meshDS);
613 GetPoint(px11, i, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
615 GetPoint(p0y0, 0, j, 0, nbx, nby, nbz, np, meshDS);
616 GetPoint(p0y1, 0, j, nbz - 1, nbx, nby, nbz, np, meshDS);
617 GetPoint(p1y0, nbx - 1, j, 0, nbx, nby, nbz, np, meshDS);
618 GetPoint(p1y1, nbx - 1, j, nbz - 1, nbx, nby, nbz, np, meshDS);
620 GetPoint(p00z, 0, 0, k, nbx, nby, nbz, np, meshDS);
621 GetPoint(p01z, 0, nby - 1, k, nbx, nby, nbz, np, meshDS);
622 GetPoint(p10z, nbx - 1, 0, k, nbx, nby, nbz, np, meshDS);
623 GetPoint(p11z, nbx - 1, nby - 1, k, nbx, nby, nbz, np, meshDS);
625 // 12 points on faces
626 GetPoint(pxy0, i, j, 0, nbx, nby, nbz, np, meshDS);
627 GetPoint(pxy1, i, j, nbz - 1, nbx, nby, nbz, np, meshDS);
628 GetPoint(px0z, i, 0, k, nbx, nby, nbz, np, meshDS);
629 GetPoint(px1z, i, nby - 1, k, nbx, nby, nbz, np, meshDS);
630 GetPoint(p0yz, 0, j, k, nbx, nby, nbz, np, meshDS);
631 GetPoint(p1yz, nbx - 1, j, k, nbx, nby, nbz, np, meshDS);
633 int ijk = k * nbx * nby + j * nbx + i;
634 double x = double (i) / double (nbx - 1); // *** seulement
635 double y = double (j) / double (nby - 1); // *** maillage
636 double z = double (k) / double (nbz - 1); // *** regulier
639 for (int i = 0; i < 3; i++)
642 (1 - x) * p0yz[i] + x * p1yz[i]
643 + (1 - y) * px0z[i] + y * px1z[i]
644 + (1 - z) * pxy0[i] + z * pxy1[i]
645 - (1 - x) * ((1 - y) * p00z[i] + y * p01z[i])
646 - x * ((1 - y) * p10z[i] + y * p11z[i])
647 - (1 - y) * ((1 - z) * px00[i] + z * px01[i])
648 - y * ((1 - z) * px10[i] + z * px11[i])
649 - (1 - z) * ((1 - x) * p0y0[i] + x * p1y0[i])
650 - z * ((1 - x) * p0y1[i] + x * p1y1[i])
651 + (1 - x) * ((1 - y) * ((1 - z) * p000[i] + z * p001[i])
652 + y * ((1 - z) * p010[i] + z * p011[i]))
653 + x * ((1 - y) * ((1 - z) * p100[i] + z * p101[i])
654 + y * ((1 - z) * p110[i] + z * p111[i]));
657 SMDS_MeshNode * node = meshDS->AddNode(X[0], X[1], X[2]);
659 //meshDS->SetNodeInVolume(node, TopoDS::Solid(aShape));
660 meshDS->SetNodeInVolume(node, aShell);
665 //2.1 - for each node of the cube (less 3 *1 Faces):
666 // - store hexahedron in SMESHDS
667 MESSAGE("Storing hexahedron into the DS");
668 for (int i = 0; i < nbx - 1; i++)
669 for (int j = 0; j < nby - 1; j++)
670 for (int k = 0; k < nbz - 1; k++)
672 int n1 = k * nbx * nby + j * nbx + i;
673 int n2 = k * nbx * nby + j * nbx + i + 1;
674 int n3 = k * nbx * nby + (j + 1) * nbx + i + 1;
675 int n4 = k * nbx * nby + (j + 1) * nbx + i;
676 int n5 = (k + 1) * nbx * nby + j * nbx + i;
677 int n6 = (k + 1) * nbx * nby + j * nbx + i + 1;
678 int n7 = (k + 1) * nbx * nby + (j + 1) * nbx + i + 1;
679 int n8 = (k + 1) * nbx * nby + (j + 1) * nbx + i;
681 // MESSAGE(" "<<n1<<" "<<n2<<" "<<n3<<" "<<n4<<" "<<n5<<" "<<n6<<" "<<n7<<" "<<n8);
682 //MESSAGE(" "<<np[n1].nodeId<<" "<<np[n2].nodeId<<" "<<np[n3].nodeId<<" "<<np[n4].nodeId<<" "<<np[n5].nodeId<<" "<<np[n6].nodeId<<" "<<np[n7].nodeId<<" "<<np[n8].nodeId);
684 SMDS_MeshVolume * elt = meshDS->AddVolume(np[n1].node,
693 meshDS->SetMeshElementOnShape(elt, aShell);
695 // *** 5 tetrahedres ... verifier orientations,
696 // mettre en coherence &vec quadrangles-> triangles
697 // choisir afficher 1 parmi edges, face et volumes
698 // int tetra1 = meshDS->AddVolume(np[n1].nodeId,
702 // int tetra2 = meshDS->AddVolume(np[n2].nodeId,
706 // int tetra3 = meshDS->AddVolume(np[n5].nodeId,
710 // int tetra4 = meshDS->AddVolume(np[n5].nodeId,
714 // int tetra5 = meshDS->AddVolume(np[n5].nodeId,
721 MESSAGE("End of SMESH_Hexa_3D::Compute()");
725 //=============================================================================
729 //=============================================================================
731 void SMESH_Hexa_3D::GetPoint(Pt3 p, int i, int j, int k, int nbx, int nby,
732 int nbz, Point3DStruct * np, const SMESHDS_Mesh * meshDS)
734 int ijk = k * nbx * nby + j * nbx + i;
735 const SMDS_MeshNode * node = np[ijk].node;
739 //MESSAGE(" "<<i<<" "<<j<<" "<<k<<" "<<p[0]<<" "<<p[1]<<" "<<p[2]);
742 //=============================================================================
746 //=============================================================================
748 int SMESH_Hexa_3D::GetFaceIndex(SMESH_Mesh & aMesh,
749 const TopoDS_Shape & aShape,
750 const vector < SMESH_subMesh * >&meshFaces,
751 const TopoDS_Vertex & V0,
752 const TopoDS_Vertex & V1,
753 const TopoDS_Vertex & V2, const TopoDS_Vertex & V3)
755 MESSAGE("SMESH_Hexa_3D::GetFaceIndex");
757 for (int i = 1; i < 6; i++)
759 const TopoDS_Shape & aFace = meshFaces[i]->GetSubShape();
760 //const TopoDS_Face& F = TopoDS::Face(aFace);
761 TopTools_IndexedMapOfShape M;
762 TopExp::MapShapes(aFace, TopAbs_VERTEX, M);
763 bool verticesInShape = false;
768 verticesInShape = true;
775 ASSERT(faceIndex > 0);
780 //=============================================================================
784 //=============================================================================
787 SMESH_Hexa_3D::EdgeNotInFace(SMESH_Mesh & aMesh,
788 const TopoDS_Shape & aShape,
789 const TopoDS_Face & aFace,
790 const TopoDS_Vertex & aVertex,
791 const TopTools_IndexedDataMapOfShapeListOfShape & MS)
793 MESSAGE("SMESH_Hexa_3D::EdgeNotInFace");
794 TopTools_IndexedDataMapOfShapeListOfShape MF;
795 TopExp::MapShapesAndAncestors(aFace, TopAbs_VERTEX, TopAbs_EDGE, MF);
796 const TopTools_ListOfShape & ancestorsInSolid = MS.FindFromKey(aVertex);
797 const TopTools_ListOfShape & ancestorsInFace = MF.FindFromKey(aVertex);
798 SCRUTE(ancestorsInSolid.Extent());
799 SCRUTE(ancestorsInFace.Extent());
800 ASSERT(ancestorsInSolid.Extent() == 6); // 6 (edges doublees)
801 ASSERT(ancestorsInFace.Extent() == 2);
805 TopTools_ListIteratorOfListOfShape its(ancestorsInSolid);
806 for (; its.More(); its.Next())
808 TopoDS_Shape ancestor = its.Value();
809 TopTools_ListIteratorOfListOfShape itf(ancestorsInFace);
810 bool isInFace = false;
811 for (; itf.More(); itf.Next())
813 TopoDS_Shape ancestorInFace = itf.Value();
814 if (ancestorInFace.IsSame(ancestor))
822 E = TopoDS::Edge(ancestor);
829 //=============================================================================
833 //=============================================================================
835 void SMESH_Hexa_3D::GetConv2DCoefs(const faceQuadStruct & quad,
836 const TopoDS_Shape & aShape,
837 const TopoDS_Vertex & V0,
838 const TopoDS_Vertex & V1,
839 const TopoDS_Vertex & V2, const TopoDS_Vertex & V3, Conv2DStruct & conv)
841 MESSAGE("SMESH_Hexa_3D::GetConv2DCoefs");
842 const TopoDS_Face & F = TopoDS::Face(aShape);
843 TopoDS_Edge E = quad.edge[0];
845 Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
846 TopoDS_Vertex VFirst, VLast;
847 TopExp::Vertices(E, VFirst, VLast); // corresponds to f and l
848 bool isForward = (((l - f) * (quad.last[0] - quad.first[0])) > 0);
849 TopoDS_Vertex VA, VB;
860 int a1, b1, c1, a2, b2, c2;
873 ASSERT(VB.IsSame(V3));
893 ASSERT(VB.IsSame(V0));
913 ASSERT(VB.IsSame(V1));
933 ASSERT(VB.IsSame(V2));
941 MESSAGE("X = " << c1 << "+ " << a1 << "*x + " << b1 << "*y");
942 MESSAGE("Y = " << c2 << "+ " << a2 << "*x + " << b2 << "*y");
950 int nbdown = quad.nbPts[0];
951 int nbright = quad.nbPts[1];
955 int (c1 * a1 * a1) * (nbdown - 1) + int (c1 * b1 * b1) * (nbright - 1);
959 int (c2 * a2 * a2) * (nbdown - 1) + int (c2 * b2 * b2) * (nbright - 1);
960 MESSAGE("I " << conv.ia << " " << conv.ib << " " << conv.ic);
961 MESSAGE("J " << conv.ja << " " << conv.jb << " " << conv.jc);
964 //=============================================================================
968 //=============================================================================
970 ostream & SMESH_Hexa_3D::SaveTo(ostream & save)
975 //=============================================================================
979 //=============================================================================
981 istream & SMESH_Hexa_3D::LoadFrom(istream & load)
983 return load >> (*this);
986 //=============================================================================
990 //=============================================================================
992 ostream & operator <<(ostream & save, SMESH_Hexa_3D & hyp)
997 //=============================================================================
1001 //=============================================================================
1003 istream & operator >>(istream & load, SMESH_Hexa_3D & hyp)