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 : StdMeshers_Hexa_3D.cxx
25 // Moved here from SMESH_Hexa_3D.cxx
26 // Author : Paul RASCLE, EDF
31 #include "StdMeshers_Hexa_3D.hxx"
32 #include "StdMeshers_Quadrangle_2D.hxx"
33 #include "SMESH_Gen.hxx"
34 #include "SMESH_Mesh.hxx"
36 #include "SMDS_MeshElement.hxx"
37 #include "SMDS_MeshNode.hxx"
38 #include "SMDS_FacePosition.hxx"
41 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
42 #include <TopTools_ListOfShape.hxx>
43 #include <TopTools_ListIteratorOfListOfShape.hxx>
44 #include <TColStd_ListIteratorOfListOfInteger.hxx>
46 #include <BRep_Tool.hxx>
47 #include <Geom_Surface.hxx>
48 #include <Geom_Curve.hxx>
49 #include <Geom2d_Curve.hxx>
50 #include <Handle_Geom2d_Curve.hxx>
51 #include <Handle_Geom_Curve.hxx>
53 #include "utilities.h"
54 #include "Utils_ExceptHandlers.hxx"
57 //=============================================================================
61 //=============================================================================
63 StdMeshers_Hexa_3D::StdMeshers_Hexa_3D(int hypId, int studyId,
64 SMESH_Gen * gen):SMESH_3D_Algo(hypId, studyId, gen)
66 MESSAGE("StdMeshers_Hexa_3D::StdMeshers_Hexa_3D");
68 // _shapeType = TopAbs_SOLID;
69 _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit /shape type
70 // MESSAGE("_shapeType octal " << oct << _shapeType);
71 for (int i = 0; i < 6; i++)
75 //=============================================================================
79 //=============================================================================
81 StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D()
83 MESSAGE("StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D");
86 //=============================================================================
90 //=============================================================================
92 bool StdMeshers_Hexa_3D::CheckHypothesis
94 const TopoDS_Shape& aShape,
95 SMESH_Hypothesis::Hypothesis_Status& aStatus)
97 MESSAGE("StdMeshers_Hexa_3D::CheckHypothesis");
100 aStatus = SMESH_Hypothesis::HYP_OK;
107 //=============================================================================
109 * Hexahedron mesh on hexaedron like form
110 * -0. - shape and face mesh verification
111 * -1. - identify faces and vertices of the "cube"
112 * -2. - Algorithm from:
113 * "Application de l'interpolation transfinie à la création de maillages
114 * C0 ou G1 continus sur des triangles, quadrangles, tetraedres, pentaedres
115 * et hexaedres déformés."
116 * Alain PERONNET - 8 janvier 1999
118 //=============================================================================
120 bool StdMeshers_Hexa_3D::Compute(SMESH_Mesh & aMesh,
121 const TopoDS_Shape & aShape)throw(SALOME_Exception)
123 Unexpect aCatch(SalomeException);
124 MESSAGE("StdMeshers_Hexa_3D::Compute");
127 SMESHDS_Mesh * meshDS = aMesh.GetMeshDS();
128 SMESH_subMesh *theSubMesh = aMesh.GetSubMesh(aShape);
129 //const SMESHDS_SubMesh *& subMeshDS = theSubMesh->GetSubMeshDS();
131 // 0. - shape and face mesh verification
132 // 0.1 - shape must be a solid (or a shell) with 6 faces
135 vector < SMESH_subMesh * >meshFaces;
136 for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next())
138 SMESH_subMesh *aSubMesh = aMesh.GetSubMeshContaining(exp.Current());
140 meshFaces.push_back(aSubMesh);
142 if (meshFaces.size() != 6)
144 SCRUTE(meshFaces.size());
149 // 0.2 - is each face meshed with Quadrangle_2D? (so, with a wire of 4 edges)
152 for (int i = 0; i < 6; i++)
154 TopoDS_Shape aShape = meshFaces[i]->GetSubShape();
155 SMESH_Algo *algo = _gen->GetAlgo(aMesh, aShape);
156 string algoName = algo->GetName();
157 if (algoName != "Quadrangle_2D")
164 StdMeshers_Quadrangle_2D *quadAlgo =
165 dynamic_cast < StdMeshers_Quadrangle_2D * >(algo);
169 _quads[i] = quadAlgo->CheckAnd2Dcompute(aMesh, aShape);
170 // *** to delete after usage
172 catch(SALOME_Exception & S_ex)
175 // *** throw exception
180 // 1. - identify faces and vertices of the "cube"
181 // 1.1 - ancestor maps vertex->edges in the cube
184 TopTools_IndexedDataMapOfShapeListOfShape MS;
185 TopExp::MapShapesAndAncestors(aShape, TopAbs_VERTEX, TopAbs_EDGE, MS);
187 // 1.2 - first face is choosen as face Y=0 of the unit cube
190 const TopoDS_Shape & aFace = meshFaces[0]->GetSubShape();
191 const TopoDS_Face & F = TopoDS::Face(aFace);
193 // 1.3 - identify the 4 vertices of the face Y=0: V000, V100, V101, V001
197 TopoDS_Edge E = _quads[0]->edge[i]; //edge will be Y=0,Z=0 on unit cube
199 Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
200 TopoDS_Vertex VFirst, VLast;
201 TopExp::Vertices(E, VFirst, VLast); // corresponds to f and l
203 (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
207 _cube.V000 = VFirst; // will be (0,0,0) on the unit cube
208 _cube.V100 = VLast; // will be (1,0,0) on the unit cube
217 E = _quads[0]->edge[i];
218 C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
219 TopExp::Vertices(E, VFirst, VLast);
220 isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
222 _cube.V101 = VLast; // will be (1,0,1) on the unit cube
227 E = _quads[0]->edge[i];
228 C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
229 TopExp::Vertices(E, VFirst, VLast);
230 isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0);
232 _cube.V001 = VLast; // will be (0,0,1) on the unit cube
236 // 1.4 - find edge X=0, Z=0 (ancestor of V000 not in face Y=0)
237 // - find edge X=1, Z=0 (ancestor of V100 not in face Y=0)
238 // - find edge X=1, Z=1 (ancestor of V101 not in face Y=0)
239 // - find edge X=0, Z=1 (ancestor of V001 not in face Y=0)
242 TopoDS_Edge E_0Y0 = EdgeNotInFace(aMesh, aShape, F, _cube.V000, MS);
243 ASSERT(!E_0Y0.IsNull());
245 TopoDS_Edge E_1Y0 = EdgeNotInFace(aMesh, aShape, F, _cube.V100, MS);
246 ASSERT(!E_1Y0.IsNull());
248 TopoDS_Edge E_1Y1 = EdgeNotInFace(aMesh, aShape, F, _cube.V101, MS);
249 ASSERT(!E_1Y1.IsNull());
251 TopoDS_Edge E_0Y1 = EdgeNotInFace(aMesh, aShape, F, _cube.V001, MS);
252 ASSERT(!E_0Y1.IsNull());
254 // 1.5 - identify the 4 vertices in face Y=1: V010, V110, V111, V011
257 TopExp::Vertices(E_0Y0, VFirst, VLast);
258 if (VFirst.IsSame(_cube.V000))
263 TopExp::Vertices(E_1Y0, VFirst, VLast);
264 if (VFirst.IsSame(_cube.V100))
269 TopExp::Vertices(E_1Y1, VFirst, VLast);
270 if (VFirst.IsSame(_cube.V101))
275 TopExp::Vertices(E_0Y1, VFirst, VLast);
276 if (VFirst.IsSame(_cube.V001))
281 // 1.6 - find remaining faces given 4 vertices
285 _cube.quad_Y0 = _quads[_indY0];
287 _indY1 = GetFaceIndex(aMesh, aShape, meshFaces,
288 _cube.V010, _cube.V011, _cube.V110, _cube.V111);
289 _cube.quad_Y1 = _quads[_indY1];
291 _indZ0 = GetFaceIndex(aMesh, aShape, meshFaces,
292 _cube.V000, _cube.V010, _cube.V100, _cube.V110);
293 _cube.quad_Z0 = _quads[_indZ0];
295 _indZ1 = GetFaceIndex(aMesh, aShape, meshFaces,
296 _cube.V001, _cube.V011, _cube.V101, _cube.V111);
297 _cube.quad_Z1 = _quads[_indZ1];
299 _indX0 = GetFaceIndex(aMesh, aShape, meshFaces,
300 _cube.V000, _cube.V001, _cube.V010, _cube.V011);
301 _cube.quad_X0 = _quads[_indX0];
303 _indX1 = GetFaceIndex(aMesh, aShape, meshFaces,
304 _cube.V100, _cube.V101, _cube.V110, _cube.V111);
305 _cube.quad_X1 = _quads[_indX1];
309 // 1.7 - get convertion coefs from face 2D normalized to 3D normalized
311 Conv2DStruct cx0; // for face X=0
312 Conv2DStruct cx1; // for face X=1
318 GetConv2DCoefs(*_cube.quad_X0, meshFaces[_indX0]->GetSubShape(),
319 _cube.V000, _cube.V010, _cube.V011, _cube.V001, cx0);
320 GetConv2DCoefs(*_cube.quad_X1, meshFaces[_indX1]->GetSubShape(),
321 _cube.V100, _cube.V110, _cube.V111, _cube.V101, cx1);
322 GetConv2DCoefs(*_cube.quad_Y0, meshFaces[_indY0]->GetSubShape(),
323 _cube.V000, _cube.V100, _cube.V101, _cube.V001, cy0);
324 GetConv2DCoefs(*_cube.quad_Y1, meshFaces[_indY1]->GetSubShape(),
325 _cube.V010, _cube.V110, _cube.V111, _cube.V011, cy1);
326 GetConv2DCoefs(*_cube.quad_Z0, meshFaces[_indZ0]->GetSubShape(),
327 _cube.V000, _cube.V100, _cube.V110, _cube.V010, cz0);
328 GetConv2DCoefs(*_cube.quad_Z1, meshFaces[_indZ1]->GetSubShape(),
329 _cube.V001, _cube.V101, _cube.V111, _cube.V011, cz1);
331 // 1.8 - create a 3D structure for normalized values
334 int nbx = _cube.quad_Y0->nbPts[0];
335 int nby = _cube.quad_Y0->nbPts[1];
338 nbz = _cube.quad_X0->nbPts[1];
340 nbz = _cube.quad_X0->nbPts[0];
344 int nbxyz = nbx * nby * nbz;
345 Point3DStruct *np = new Point3DStruct[nbxyz];
347 // 1.9 - store node indexes of faces
350 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX0]->GetSubShape());
352 faceQuadStruct *quad = _cube.quad_X0;
353 int i = 0; // j = x/face , k = y/face
354 int nbdown = quad->nbPts[0];
355 int nbright = quad->nbPts[1];
358 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
362 const SMDS_MeshNode * node = itf->next();
363 const SMDS_FacePosition* fpos =
364 static_cast<const SMDS_FacePosition*>(node->GetPosition().get());
365 double ri = fpos->GetUParameter();
366 double rj = fpos->GetVParameter();
369 int ij1 = j1 * nbdown + i1;
370 quad->uv_grid[ij1].node = node;
373 for (int i1 = 0; i1 < nbdown; i1++)
374 for (int j1 = 0; j1 < nbright; j1++)
376 int ij1 = j1 * nbdown + i1;
377 int j = cx0.ia * i1 + cx0.ib * j1 + cx0.ic; // j = x/face
378 int k = cx0.ja * i1 + cx0.jb * j1 + cx0.jc; // k = y/face
379 int ijk = k * nbx * nby + j * nbx + i;
380 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
381 np[ijk].node = quad->uv_grid[ij1].node;
382 //SCRUTE(np[ijk].nodeId);
387 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX1]->GetSubShape());
389 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
391 faceQuadStruct *quad = _cube.quad_X1;
392 int i = nbx - 1; // j = x/face , k = y/face
393 int nbdown = quad->nbPts[0];
394 int nbright = quad->nbPts[1];
398 const SMDS_MeshNode * node = itf->next();
399 const SMDS_FacePosition* fpos =
400 static_cast<const SMDS_FacePosition*>(node->GetPosition().get());
401 double ri = fpos->GetUParameter();
402 double rj = fpos->GetVParameter();
405 int ij1 = j1 * nbdown + i1;
406 quad->uv_grid[ij1].node = node;
409 for (int i1 = 0; i1 < nbdown; i1++)
410 for (int j1 = 0; j1 < nbright; j1++)
412 int ij1 = j1 * nbdown + i1;
413 int j = cx1.ia * i1 + cx1.ib * j1 + cx1.ic; // j = x/face
414 int k = cx1.ja * i1 + cx1.jb * j1 + cx1.jc; // k = y/face
415 int ijk = k * nbx * nby + j * nbx + i;
416 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
417 np[ijk].node = quad->uv_grid[ij1].node;
418 //SCRUTE(np[ijk].nodeId);
423 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY0]->GetSubShape());
425 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
427 faceQuadStruct *quad = _cube.quad_Y0;
428 int j = 0; // i = x/face , k = y/face
429 int nbdown = quad->nbPts[0];
430 int nbright = quad->nbPts[1];
434 const SMDS_MeshNode * node = itf->next();
435 const SMDS_FacePosition * fpos =
436 static_cast<const SMDS_FacePosition*>(node->GetPosition().get());
437 double ri = fpos->GetUParameter();
438 double rj = fpos->GetVParameter();
441 int ij1 = j1 * nbdown + i1;
442 quad->uv_grid[ij1].node = node;
445 for (int i1 = 0; i1 < nbdown; i1++)
446 for (int j1 = 0; j1 < nbright; j1++)
448 int ij1 = j1 * nbdown + i1;
449 int i = cy0.ia * i1 + cy0.ib * j1 + cy0.ic; // i = x/face
450 int k = cy0.ja * i1 + cy0.jb * j1 + cy0.jc; // k = y/face
451 int ijk = k * nbx * nby + j * nbx + i;
452 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
453 np[ijk].node = quad->uv_grid[ij1].node;
454 //SCRUTE(np[ijk].nodeId);
459 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY1]->GetSubShape());
461 SMDS_NodeIteratorPtr itf= 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().get());
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_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
499 faceQuadStruct *quad = _cube.quad_Z0;
500 int k = 0; // i = x/face , j = y/face
501 int nbdown = quad->nbPts[0];
502 int nbright = quad->nbPts[1];
506 const SMDS_MeshNode * node = itf->next();
507 const SMDS_FacePosition * fpos =
508 static_cast<const SMDS_FacePosition*>(node->GetPosition().get());
509 double ri = fpos->GetUParameter();
510 double rj = fpos->GetVParameter();
513 int ij1 = j1 * nbdown + i1;
514 quad->uv_grid[ij1].node = node;
517 for (int i1 = 0; i1 < nbdown; i1++)
518 for (int j1 = 0; j1 < nbright; j1++)
520 int ij1 = j1 * nbdown + i1;
521 int i = cz0.ia * i1 + cz0.ib * j1 + cz0.ic; // i = x/face
522 int j = cz0.ja * i1 + cz0.jb * j1 + cz0.jc; // j = y/face
523 int ijk = k * nbx * nby + j * nbx + i;
524 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
525 np[ijk].node = quad->uv_grid[ij1].node;
526 //SCRUTE(np[ijk].nodeId);
531 const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ1]->GetSubShape());
533 SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes();
535 faceQuadStruct *quad = _cube.quad_Z1;
536 int k = nbz - 1; // i = x/face , j = y/face
537 int nbdown = quad->nbPts[0];
538 int nbright = quad->nbPts[1];
542 const SMDS_MeshNode * node = itf->next();
543 const SMDS_FacePosition* fpos =
544 static_cast<const SMDS_FacePosition*>(node->GetPosition().get());
545 double ri = fpos->GetUParameter();
546 double rj = fpos->GetVParameter();
549 int ij1 = j1 * nbdown + i1;
550 quad->uv_grid[ij1].node = node;
553 for (int i1 = 0; i1 < nbdown; i1++)
554 for (int j1 = 0; j1 < nbright; j1++)
556 int ij1 = j1 * nbdown + i1;
557 int i = cz1.ia * i1 + cz1.ib * j1 + cz1.ic; // i = x/face
558 int j = cz1.ja * i1 + cz1.jb * j1 + cz1.jc; // j = y/face
559 int ijk = k * nbx * nby + j * nbx + i;
560 //MESSAGE(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
561 np[ijk].node = quad->uv_grid[ij1].node;
562 //SCRUTE(np[ijk].nodeId);
566 // 2.0 - for each node of the cube:
567 // - get the 8 points 3D = 8 vertices of the cube
568 // - get the 12 points 3D on the 12 edges of the cube
569 // - get the 6 points 3D on the 6 faces with their ID
570 // - compute the point 3D
571 // - store the point 3D in SMESHDS, store its ID in 3D structure
574 TopExp_Explorer exp(aShape, TopAbs_SHELL);
577 aShell = TopoDS::Shell(exp.Current());
581 MESSAGE("no shell...");
585 Pt3 p000, p001, p010, p011, p100, p101, p110, p111;
586 Pt3 px00, px01, px10, px11;
587 Pt3 p0y0, p0y1, p1y0, p1y1;
588 Pt3 p00z, p01z, p10z, p11z;
589 Pt3 pxy0, pxy1, px0z, px1z, p0yz, p1yz;
591 GetPoint(p000, 0, 0, 0, nbx, nby, nbz, np, meshDS);
592 GetPoint(p001, 0, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
593 GetPoint(p010, 0, nby - 1, 0, nbx, nby, nbz, np, meshDS);
594 GetPoint(p011, 0, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
595 GetPoint(p100, nbx - 1, 0, 0, nbx, nby, nbz, np, meshDS);
596 GetPoint(p101, nbx - 1, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
597 GetPoint(p110, nbx - 1, nby - 1, 0, nbx, nby, nbz, np, meshDS);
598 GetPoint(p111, nbx - 1, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
600 for (int i = 1; i < nbx - 1; i++)
602 for (int j = 1; j < nby - 1; j++)
604 for (int k = 1; k < nbz - 1; k++)
606 // *** seulement maillage regulier
607 // 12 points on edges
608 GetPoint(px00, i, 0, 0, nbx, nby, nbz, np, meshDS);
609 GetPoint(px01, i, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
610 GetPoint(px10, i, nby - 1, 0, nbx, nby, nbz, np, meshDS);
611 GetPoint(px11, i, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
613 GetPoint(p0y0, 0, j, 0, nbx, nby, nbz, np, meshDS);
614 GetPoint(p0y1, 0, j, nbz - 1, nbx, nby, nbz, np, meshDS);
615 GetPoint(p1y0, nbx - 1, j, 0, nbx, nby, nbz, np, meshDS);
616 GetPoint(p1y1, nbx - 1, j, nbz - 1, nbx, nby, nbz, np, meshDS);
618 GetPoint(p00z, 0, 0, k, nbx, nby, nbz, np, meshDS);
619 GetPoint(p01z, 0, nby - 1, k, nbx, nby, nbz, np, meshDS);
620 GetPoint(p10z, nbx - 1, 0, k, nbx, nby, nbz, np, meshDS);
621 GetPoint(p11z, nbx - 1, nby - 1, k, nbx, nby, nbz, np, meshDS);
623 // 12 points on faces
624 GetPoint(pxy0, i, j, 0, nbx, nby, nbz, np, meshDS);
625 GetPoint(pxy1, i, j, nbz - 1, nbx, nby, nbz, np, meshDS);
626 GetPoint(px0z, i, 0, k, nbx, nby, nbz, np, meshDS);
627 GetPoint(px1z, i, nby - 1, k, nbx, nby, nbz, np, meshDS);
628 GetPoint(p0yz, 0, j, k, nbx, nby, nbz, np, meshDS);
629 GetPoint(p1yz, nbx - 1, j, k, nbx, nby, nbz, np, meshDS);
631 int ijk = k * nbx * nby + j * nbx + i;
632 double x = double (i) / double (nbx - 1); // *** seulement
633 double y = double (j) / double (nby - 1); // *** maillage
634 double z = double (k) / double (nbz - 1); // *** regulier
637 for (int i = 0; i < 3; i++)
640 (1 - x) * p0yz[i] + x * p1yz[i]
641 + (1 - y) * px0z[i] + y * px1z[i]
642 + (1 - z) * pxy0[i] + z * pxy1[i]
643 - (1 - x) * ((1 - y) * p00z[i] + y * p01z[i])
644 - x * ((1 - y) * p10z[i] + y * p11z[i])
645 - (1 - y) * ((1 - z) * px00[i] + z * px01[i])
646 - y * ((1 - z) * px10[i] + z * px11[i])
647 - (1 - z) * ((1 - x) * p0y0[i] + x * p1y0[i])
648 - z * ((1 - x) * p0y1[i] + x * p1y1[i])
649 + (1 - x) * ((1 - y) * ((1 - z) * p000[i] + z * p001[i])
650 + y * ((1 - z) * p010[i] + z * p011[i]))
651 + x * ((1 - y) * ((1 - z) * p100[i] + z * p101[i])
652 + y * ((1 - z) * p110[i] + z * p111[i]));
655 SMDS_MeshNode * node = meshDS->AddNode(X[0], X[1], X[2]);
657 //meshDS->SetNodeInVolume(node, TopoDS::Solid(aShape));
658 meshDS->SetNodeInVolume(node, aShell);
663 //2.1 - for each node of the cube (less 3 *1 Faces):
664 // - store hexahedron in SMESHDS
665 MESSAGE("Storing hexahedron into the DS");
666 for (int i = 0; i < nbx - 1; i++)
667 for (int j = 0; j < nby - 1; j++)
668 for (int k = 0; k < nbz - 1; k++)
670 int n1 = k * nbx * nby + j * nbx + i;
671 int n2 = k * nbx * nby + j * nbx + i + 1;
672 int n3 = k * nbx * nby + (j + 1) * nbx + i + 1;
673 int n4 = k * nbx * nby + (j + 1) * nbx + i;
674 int n5 = (k + 1) * nbx * nby + j * nbx + i;
675 int n6 = (k + 1) * nbx * nby + j * nbx + i + 1;
676 int n7 = (k + 1) * nbx * nby + (j + 1) * nbx + i + 1;
677 int n8 = (k + 1) * nbx * nby + (j + 1) * nbx + i;
679 // MESSAGE(" "<<n1<<" "<<n2<<" "<<n3<<" "<<n4<<" "<<n5<<" "<<n6<<" "<<n7<<" "<<n8);
680 //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);
682 SMDS_MeshVolume * elt = meshDS->AddVolume(np[n1].node,
691 meshDS->SetMeshElementOnShape(elt, aShell);
693 // *** 5 tetrahedres ... verifier orientations,
694 // mettre en coherence &vec quadrangles-> triangles
695 // choisir afficher 1 parmi edges, face et volumes
696 // int tetra1 = meshDS->AddVolume(np[n1].nodeId,
700 // int tetra2 = meshDS->AddVolume(np[n2].nodeId,
704 // int tetra3 = meshDS->AddVolume(np[n5].nodeId,
708 // int tetra4 = meshDS->AddVolume(np[n5].nodeId,
712 // int tetra5 = meshDS->AddVolume(np[n5].nodeId,
719 MESSAGE("End of StdMeshers_Hexa_3D::Compute()");
723 //=============================================================================
727 //=============================================================================
729 void StdMeshers_Hexa_3D::GetPoint(Pt3 p, int i, int j, int k, int nbx, int nby,
730 int nbz, Point3DStruct * np, const SMESHDS_Mesh * meshDS)
732 int ijk = k * nbx * nby + j * nbx + i;
733 const SMDS_MeshNode * node = np[ijk].node;
737 //MESSAGE(" "<<i<<" "<<j<<" "<<k<<" "<<p[0]<<" "<<p[1]<<" "<<p[2]);
740 //=============================================================================
744 //=============================================================================
746 int StdMeshers_Hexa_3D::GetFaceIndex(SMESH_Mesh & aMesh,
747 const TopoDS_Shape & aShape,
748 const vector < SMESH_subMesh * >&meshFaces,
749 const TopoDS_Vertex & V0,
750 const TopoDS_Vertex & V1,
751 const TopoDS_Vertex & V2, const TopoDS_Vertex & V3)
753 MESSAGE("StdMeshers_Hexa_3D::GetFaceIndex");
755 for (int i = 1; i < 6; i++)
757 const TopoDS_Shape & aFace = meshFaces[i]->GetSubShape();
758 //const TopoDS_Face& F = TopoDS::Face(aFace);
759 TopTools_IndexedMapOfShape M;
760 TopExp::MapShapes(aFace, TopAbs_VERTEX, M);
761 bool verticesInShape = false;
766 verticesInShape = true;
773 ASSERT(faceIndex > 0);
778 //=============================================================================
782 //=============================================================================
785 StdMeshers_Hexa_3D::EdgeNotInFace(SMESH_Mesh & aMesh,
786 const TopoDS_Shape & aShape,
787 const TopoDS_Face & aFace,
788 const TopoDS_Vertex & aVertex,
789 const TopTools_IndexedDataMapOfShapeListOfShape & MS)
791 MESSAGE("StdMeshers_Hexa_3D::EdgeNotInFace");
792 TopTools_IndexedDataMapOfShapeListOfShape MF;
793 TopExp::MapShapesAndAncestors(aFace, TopAbs_VERTEX, TopAbs_EDGE, MF);
794 const TopTools_ListOfShape & ancestorsInSolid = MS.FindFromKey(aVertex);
795 const TopTools_ListOfShape & ancestorsInFace = MF.FindFromKey(aVertex);
796 SCRUTE(ancestorsInSolid.Extent());
797 SCRUTE(ancestorsInFace.Extent());
798 ASSERT(ancestorsInSolid.Extent() == 6); // 6 (edges doublees)
799 ASSERT(ancestorsInFace.Extent() == 2);
803 TopTools_ListIteratorOfListOfShape its(ancestorsInSolid);
804 for (; its.More(); its.Next())
806 TopoDS_Shape ancestor = its.Value();
807 TopTools_ListIteratorOfListOfShape itf(ancestorsInFace);
808 bool isInFace = false;
809 for (; itf.More(); itf.Next())
811 TopoDS_Shape ancestorInFace = itf.Value();
812 if (ancestorInFace.IsSame(ancestor))
820 E = TopoDS::Edge(ancestor);
827 //=============================================================================
831 //=============================================================================
833 void StdMeshers_Hexa_3D::GetConv2DCoefs(const faceQuadStruct & quad,
834 const TopoDS_Shape & aShape,
835 const TopoDS_Vertex & V0,
836 const TopoDS_Vertex & V1,
837 const TopoDS_Vertex & V2, const TopoDS_Vertex & V3, Conv2DStruct & conv)
839 MESSAGE("StdMeshers_Hexa_3D::GetConv2DCoefs");
840 const TopoDS_Face & F = TopoDS::Face(aShape);
841 TopoDS_Edge E = quad.edge[0];
843 Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l);
844 TopoDS_Vertex VFirst, VLast;
845 TopExp::Vertices(E, VFirst, VLast); // corresponds to f and l
846 bool isForward = (((l - f) * (quad.last[0] - quad.first[0])) > 0);
847 TopoDS_Vertex VA, VB;
858 int a1, b1, c1, a2, b2, c2;
871 ASSERT(VB.IsSame(V3));
891 ASSERT(VB.IsSame(V0));
911 ASSERT(VB.IsSame(V1));
931 ASSERT(VB.IsSame(V2));
939 MESSAGE("X = " << c1 << "+ " << a1 << "*x + " << b1 << "*y");
940 MESSAGE("Y = " << c2 << "+ " << a2 << "*x + " << b2 << "*y");
948 int nbdown = quad.nbPts[0];
949 int nbright = quad.nbPts[1];
953 int (c1 * a1 * a1) * (nbdown - 1) + int (c1 * b1 * b1) * (nbright - 1);
957 int (c2 * a2 * a2) * (nbdown - 1) + int (c2 * b2 * b2) * (nbright - 1);
958 MESSAGE("I " << conv.ia << " " << conv.ib << " " << conv.ic);
959 MESSAGE("J " << conv.ja << " " << conv.jb << " " << conv.jc);
962 //=============================================================================
966 //=============================================================================
968 ostream & StdMeshers_Hexa_3D::SaveTo(ostream & save)
973 //=============================================================================
977 //=============================================================================
979 istream & StdMeshers_Hexa_3D::LoadFrom(istream & load)
984 //=============================================================================
988 //=============================================================================
990 ostream & operator <<(ostream & save, StdMeshers_Hexa_3D & hyp)
992 return hyp.SaveTo( save );
995 //=============================================================================
999 //=============================================================================
1001 istream & operator >>(istream & load, StdMeshers_Hexa_3D & hyp)
1003 return hyp.LoadFrom( load );