// SMESH SMESH : implementaion of SMESH idl descriptions // // Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN, // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2.1 of the License. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this library; if not, write to the Free Software // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // // See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org // // // // File : StdMeshers_Hexa_3D.cxx // Moved here from SMESH_Hexa_3D.cxx // Author : Paul RASCLE, EDF // Module : SMESH // $Header$ using namespace std; #include "StdMeshers_Hexa_3D.hxx" #include "StdMeshers_Quadrangle_2D.hxx" #include "SMESH_Gen.hxx" #include "SMESH_Mesh.hxx" #include "SMDS_MeshElement.hxx" #include "SMDS_MeshNode.hxx" #include "SMDS_FacePosition.hxx" #include #include #include #include #include #include #include #include #include #include #include #include "utilities.h" #include "Utils_ExceptHandlers.hxx" //============================================================================= /*! * */ //============================================================================= StdMeshers_Hexa_3D::StdMeshers_Hexa_3D(int hypId, int studyId, SMESH_Gen * gen):SMESH_3D_Algo(hypId, studyId, gen) { MESSAGE("StdMeshers_Hexa_3D::StdMeshers_Hexa_3D"); _name = "Hexa_3D"; // _shapeType = TopAbs_SOLID; _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit /shape type // MESSAGE("_shapeType octal " << oct << _shapeType); for (int i = 0; i < 6; i++) _quads[i] = 0; } //============================================================================= /*! * */ //============================================================================= StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D() { MESSAGE("StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D"); } //============================================================================= /*! * */ //============================================================================= bool StdMeshers_Hexa_3D::CheckHypothesis (SMESH_Mesh& aMesh, const TopoDS_Shape& aShape, SMESH_Hypothesis::Hypothesis_Status& aStatus) { MESSAGE("StdMeshers_Hexa_3D::CheckHypothesis"); bool isOk = true; aStatus = SMESH_Hypothesis::HYP_OK; // nothing to check return isOk; } //============================================================================= /*! * Hexahedron mesh on hexaedron like form * -0. - shape and face mesh verification * -1. - identify faces and vertices of the "cube" * -2. - Algorithm from: * "Application de l'interpolation transfinie à la création de maillages * C0 ou G1 continus sur des triangles, quadrangles, tetraedres, pentaedres * et hexaedres déformés." * Alain PERONNET - 8 janvier 1999 */ //============================================================================= bool StdMeshers_Hexa_3D::Compute(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape)throw(SALOME_Exception) { Unexpect aCatch(SalomeException); MESSAGE("StdMeshers_Hexa_3D::Compute"); bool isOk = false; SMESHDS_Mesh * meshDS = aMesh.GetMeshDS(); SMESH_subMesh *theSubMesh = aMesh.GetSubMesh(aShape); //const SMESHDS_SubMesh *& subMeshDS = theSubMesh->GetSubMeshDS(); // 0. - shape and face mesh verification // 0.1 - shape must be a solid (or a shell) with 6 faces MESSAGE("---"); vector < SMESH_subMesh * >meshFaces; for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) { SMESH_subMesh *aSubMesh = aMesh.GetSubMeshContaining(exp.Current()); ASSERT(aSubMesh); meshFaces.push_back(aSubMesh); } if (meshFaces.size() != 6) { SCRUTE(meshFaces.size()); ASSERT(0); return false; } // 0.2 - is each face meshed with Quadrangle_2D? (so, with a wire of 4 edges) MESSAGE("---"); for (int i = 0; i < 6; i++) { TopoDS_Shape aShape = meshFaces[i]->GetSubShape(); SMESH_Algo *algo = _gen->GetAlgo(aMesh, aShape); string algoName = algo->GetName(); if (algoName != "Quadrangle_2D") { // *** delete _quads SCRUTE(algoName); ASSERT(0); return false; } StdMeshers_Quadrangle_2D *quadAlgo = dynamic_cast < StdMeshers_Quadrangle_2D * >(algo); ASSERT(quadAlgo); try { _quads[i] = quadAlgo->CheckAnd2Dcompute(aMesh, aShape); // *** to delete after usage } catch(SALOME_Exception & S_ex) { // *** delete _quads // *** throw exception ASSERT(0); } } // 1. - identify faces and vertices of the "cube" // 1.1 - ancestor maps vertex->edges in the cube MESSAGE("---"); TopTools_IndexedDataMapOfShapeListOfShape MS; TopExp::MapShapesAndAncestors(aShape, TopAbs_VERTEX, TopAbs_EDGE, MS); // 1.2 - first face is choosen as face Y=0 of the unit cube MESSAGE("---"); const TopoDS_Shape & aFace = meshFaces[0]->GetSubShape(); const TopoDS_Face & F = TopoDS::Face(aFace); // 1.3 - identify the 4 vertices of the face Y=0: V000, V100, V101, V001 MESSAGE("---"); int i = 0; TopoDS_Edge E = _quads[0]->edge[i]; //edge will be Y=0,Z=0 on unit cube double f, l; Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l); TopoDS_Vertex VFirst, VLast; TopExp::Vertices(E, VFirst, VLast); // corresponds to f and l bool isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0); if (isForward) { _cube.V000 = VFirst; // will be (0,0,0) on the unit cube _cube.V100 = VLast; // will be (1,0,0) on the unit cube } else { _cube.V000 = VLast; _cube.V100 = VFirst; } i = 1; E = _quads[0]->edge[i]; C2d = BRep_Tool::CurveOnSurface(E, F, f, l); TopExp::Vertices(E, VFirst, VLast); isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0); if (isForward) _cube.V101 = VLast; // will be (1,0,1) on the unit cube else _cube.V101 = VFirst; i = 2; E = _quads[0]->edge[i]; C2d = BRep_Tool::CurveOnSurface(E, F, f, l); TopExp::Vertices(E, VFirst, VLast); isForward = (((l - f) * (_quads[0]->last[i] - _quads[0]->first[i])) > 0); if (isForward) _cube.V001 = VLast; // will be (0,0,1) on the unit cube else _cube.V001 = VFirst; // 1.4 - find edge X=0, Z=0 (ancestor of V000 not in face Y=0) // - find edge X=1, Z=0 (ancestor of V100 not in face Y=0) // - find edge X=1, Z=1 (ancestor of V101 not in face Y=0) // - find edge X=0, Z=1 (ancestor of V001 not in face Y=0) MESSAGE("---"); TopoDS_Edge E_0Y0 = EdgeNotInFace(aMesh, aShape, F, _cube.V000, MS); ASSERT(!E_0Y0.IsNull()); TopoDS_Edge E_1Y0 = EdgeNotInFace(aMesh, aShape, F, _cube.V100, MS); ASSERT(!E_1Y0.IsNull()); TopoDS_Edge E_1Y1 = EdgeNotInFace(aMesh, aShape, F, _cube.V101, MS); ASSERT(!E_1Y1.IsNull()); TopoDS_Edge E_0Y1 = EdgeNotInFace(aMesh, aShape, F, _cube.V001, MS); ASSERT(!E_0Y1.IsNull()); // 1.5 - identify the 4 vertices in face Y=1: V010, V110, V111, V011 MESSAGE("---"); TopExp::Vertices(E_0Y0, VFirst, VLast); if (VFirst.IsSame(_cube.V000)) _cube.V010 = VLast; else _cube.V010 = VFirst; TopExp::Vertices(E_1Y0, VFirst, VLast); if (VFirst.IsSame(_cube.V100)) _cube.V110 = VLast; else _cube.V110 = VFirst; TopExp::Vertices(E_1Y1, VFirst, VLast); if (VFirst.IsSame(_cube.V101)) _cube.V111 = VLast; else _cube.V111 = VFirst; TopExp::Vertices(E_0Y1, VFirst, VLast); if (VFirst.IsSame(_cube.V001)) _cube.V011 = VLast; else _cube.V011 = VFirst; // 1.6 - find remaining faces given 4 vertices MESSAGE("---"); _indY0 = 0; _cube.quad_Y0 = _quads[_indY0]; _indY1 = GetFaceIndex(aMesh, aShape, meshFaces, _cube.V010, _cube.V011, _cube.V110, _cube.V111); _cube.quad_Y1 = _quads[_indY1]; _indZ0 = GetFaceIndex(aMesh, aShape, meshFaces, _cube.V000, _cube.V010, _cube.V100, _cube.V110); _cube.quad_Z0 = _quads[_indZ0]; _indZ1 = GetFaceIndex(aMesh, aShape, meshFaces, _cube.V001, _cube.V011, _cube.V101, _cube.V111); _cube.quad_Z1 = _quads[_indZ1]; _indX0 = GetFaceIndex(aMesh, aShape, meshFaces, _cube.V000, _cube.V001, _cube.V010, _cube.V011); _cube.quad_X0 = _quads[_indX0]; _indX1 = GetFaceIndex(aMesh, aShape, meshFaces, _cube.V100, _cube.V101, _cube.V110, _cube.V111); _cube.quad_X1 = _quads[_indX1]; MESSAGE("---"); // 1.7 - get convertion coefs from face 2D normalized to 3D normalized Conv2DStruct cx0; // for face X=0 Conv2DStruct cx1; // for face X=1 Conv2DStruct cy0; Conv2DStruct cy1; Conv2DStruct cz0; Conv2DStruct cz1; GetConv2DCoefs(*_cube.quad_X0, meshFaces[_indX0]->GetSubShape(), _cube.V000, _cube.V010, _cube.V011, _cube.V001, cx0); GetConv2DCoefs(*_cube.quad_X1, meshFaces[_indX1]->GetSubShape(), _cube.V100, _cube.V110, _cube.V111, _cube.V101, cx1); GetConv2DCoefs(*_cube.quad_Y0, meshFaces[_indY0]->GetSubShape(), _cube.V000, _cube.V100, _cube.V101, _cube.V001, cy0); GetConv2DCoefs(*_cube.quad_Y1, meshFaces[_indY1]->GetSubShape(), _cube.V010, _cube.V110, _cube.V111, _cube.V011, cy1); GetConv2DCoefs(*_cube.quad_Z0, meshFaces[_indZ0]->GetSubShape(), _cube.V000, _cube.V100, _cube.V110, _cube.V010, cz0); GetConv2DCoefs(*_cube.quad_Z1, meshFaces[_indZ1]->GetSubShape(), _cube.V001, _cube.V101, _cube.V111, _cube.V011, cz1); // 1.8 - create a 3D structure for normalized values MESSAGE("---"); int nbx = _cube.quad_Y0->nbPts[0]; int nby = _cube.quad_Y0->nbPts[1]; int nbz; if (cx0.a1 != 0) nbz = _cube.quad_X0->nbPts[1]; else nbz = _cube.quad_X0->nbPts[0]; //SCRUTE(nbx); //SCRUTE(nby); //SCRUTE(nbz); int nbxyz = nbx * nby * nbz; Point3DStruct *np = new Point3DStruct[nbxyz]; // 1.9 - store node indexes of faces { const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX0]->GetSubShape()); faceQuadStruct *quad = _cube.quad_X0; int i = 0; // j = x/face , k = y/face int nbdown = quad->nbPts[0]; int nbright = quad->nbPts[1]; SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes(); while(itf->more()) { const SMDS_MeshNode * node = itf->next(); const SMDS_FacePosition* fpos = static_cast(node->GetPosition().get()); double ri = fpos->GetUParameter(); double rj = fpos->GetVParameter(); int i1 = int (ri); int j1 = int (rj); int ij1 = j1 * nbdown + i1; quad->uv_grid[ij1].node = node; } for (int i1 = 0; i1 < nbdown; i1++) for (int j1 = 0; j1 < nbright; j1++) { int ij1 = j1 * nbdown + i1; int j = cx0.ia * i1 + cx0.ib * j1 + cx0.ic; // j = x/face int k = cx0.ja * i1 + cx0.jb * j1 + cx0.jc; // k = y/face int ijk = k * nbx * nby + j * nbx + i; //MESSAGE(" "<uv_grid[ij1].node; //SCRUTE(np[ijk].nodeId); } } { const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX1]->GetSubShape()); SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes(); faceQuadStruct *quad = _cube.quad_X1; int i = nbx - 1; // j = x/face , k = y/face int nbdown = quad->nbPts[0]; int nbright = quad->nbPts[1]; while(itf->more()) { const SMDS_MeshNode * node = itf->next(); const SMDS_FacePosition* fpos = static_cast(node->GetPosition().get()); double ri = fpos->GetUParameter(); double rj = fpos->GetVParameter(); int i1 = int (ri); int j1 = int (rj); int ij1 = j1 * nbdown + i1; quad->uv_grid[ij1].node = node; } for (int i1 = 0; i1 < nbdown; i1++) for (int j1 = 0; j1 < nbright; j1++) { int ij1 = j1 * nbdown + i1; int j = cx1.ia * i1 + cx1.ib * j1 + cx1.ic; // j = x/face int k = cx1.ja * i1 + cx1.jb * j1 + cx1.jc; // k = y/face int ijk = k * nbx * nby + j * nbx + i; //MESSAGE(" "<uv_grid[ij1].node; //SCRUTE(np[ijk].nodeId); } } { const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY0]->GetSubShape()); SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes(); faceQuadStruct *quad = _cube.quad_Y0; int j = 0; // i = x/face , k = y/face int nbdown = quad->nbPts[0]; int nbright = quad->nbPts[1]; while(itf->more()) { const SMDS_MeshNode * node = itf->next(); const SMDS_FacePosition * fpos = static_cast(node->GetPosition().get()); double ri = fpos->GetUParameter(); double rj = fpos->GetVParameter(); int i1 = int (ri); int j1 = int (rj); int ij1 = j1 * nbdown + i1; quad->uv_grid[ij1].node = node; } for (int i1 = 0; i1 < nbdown; i1++) for (int j1 = 0; j1 < nbright; j1++) { int ij1 = j1 * nbdown + i1; int i = cy0.ia * i1 + cy0.ib * j1 + cy0.ic; // i = x/face int k = cy0.ja * i1 + cy0.jb * j1 + cy0.jc; // k = y/face int ijk = k * nbx * nby + j * nbx + i; //MESSAGE(" "<uv_grid[ij1].node; //SCRUTE(np[ijk].nodeId); } } { const TopoDS_Face & F = TopoDS::Face(meshFaces[_indY1]->GetSubShape()); SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes(); faceQuadStruct *quad = _cube.quad_Y1; int j = nby - 1; // i = x/face , k = y/face int nbdown = quad->nbPts[0]; int nbright = quad->nbPts[1]; while(itf->more()) { const SMDS_MeshNode * node = itf->next(); const SMDS_FacePosition* fpos = static_cast(node->GetPosition().get()); double ri = fpos->GetUParameter(); double rj = fpos->GetVParameter(); int i1 = int (ri); int j1 = int (rj); int ij1 = j1 * nbdown + i1; quad->uv_grid[ij1].node = node; } for (int i1 = 0; i1 < nbdown; i1++) for (int j1 = 0; j1 < nbright; j1++) { int ij1 = j1 * nbdown + i1; int i = cy1.ia * i1 + cy1.ib * j1 + cy1.ic; // i = x/face int k = cy1.ja * i1 + cy1.jb * j1 + cy1.jc; // k = y/face int ijk = k * nbx * nby + j * nbx + i; //MESSAGE(" "<uv_grid[ij1].node; //SCRUTE(np[ijk].nodeId); } } { const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ0]->GetSubShape()); SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes(); faceQuadStruct *quad = _cube.quad_Z0; int k = 0; // i = x/face , j = y/face int nbdown = quad->nbPts[0]; int nbright = quad->nbPts[1]; while(itf->more()) { const SMDS_MeshNode * node = itf->next(); const SMDS_FacePosition * fpos = static_cast(node->GetPosition().get()); double ri = fpos->GetUParameter(); double rj = fpos->GetVParameter(); int i1 = int (ri); int j1 = int (rj); int ij1 = j1 * nbdown + i1; quad->uv_grid[ij1].node = node; } for (int i1 = 0; i1 < nbdown; i1++) for (int j1 = 0; j1 < nbright; j1++) { int ij1 = j1 * nbdown + i1; int i = cz0.ia * i1 + cz0.ib * j1 + cz0.ic; // i = x/face int j = cz0.ja * i1 + cz0.jb * j1 + cz0.jc; // j = y/face int ijk = k * nbx * nby + j * nbx + i; //MESSAGE(" "<uv_grid[ij1].node; //SCRUTE(np[ijk].nodeId); } } { const TopoDS_Face & F = TopoDS::Face(meshFaces[_indZ1]->GetSubShape()); SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes(); faceQuadStruct *quad = _cube.quad_Z1; int k = nbz - 1; // i = x/face , j = y/face int nbdown = quad->nbPts[0]; int nbright = quad->nbPts[1]; while(itf->more()) { const SMDS_MeshNode * node = itf->next(); const SMDS_FacePosition* fpos = static_cast(node->GetPosition().get()); double ri = fpos->GetUParameter(); double rj = fpos->GetVParameter(); int i1 = int (ri); int j1 = int (rj); int ij1 = j1 * nbdown + i1; quad->uv_grid[ij1].node = node; } for (int i1 = 0; i1 < nbdown; i1++) for (int j1 = 0; j1 < nbright; j1++) { int ij1 = j1 * nbdown + i1; int i = cz1.ia * i1 + cz1.ib * j1 + cz1.ic; // i = x/face int j = cz1.ja * i1 + cz1.jb * j1 + cz1.jc; // j = y/face int ijk = k * nbx * nby + j * nbx + i; //MESSAGE(" "<uv_grid[ij1].node; //SCRUTE(np[ijk].nodeId); } } // 2.0 - for each node of the cube: // - get the 8 points 3D = 8 vertices of the cube // - get the 12 points 3D on the 12 edges of the cube // - get the 6 points 3D on the 6 faces with their ID // - compute the point 3D // - store the point 3D in SMESHDS, store its ID in 3D structure TopoDS_Shell aShell; TopExp_Explorer exp(aShape, TopAbs_SHELL); if (exp.More()) { aShell = TopoDS::Shell(exp.Current()); } else { MESSAGE("no shell..."); ASSERT(0); } Pt3 p000, p001, p010, p011, p100, p101, p110, p111; Pt3 px00, px01, px10, px11; Pt3 p0y0, p0y1, p1y0, p1y1; Pt3 p00z, p01z, p10z, p11z; Pt3 pxy0, pxy1, px0z, px1z, p0yz, p1yz; GetPoint(p000, 0, 0, 0, nbx, nby, nbz, np, meshDS); GetPoint(p001, 0, 0, nbz - 1, nbx, nby, nbz, np, meshDS); GetPoint(p010, 0, nby - 1, 0, nbx, nby, nbz, np, meshDS); GetPoint(p011, 0, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS); GetPoint(p100, nbx - 1, 0, 0, nbx, nby, nbz, np, meshDS); GetPoint(p101, nbx - 1, 0, nbz - 1, nbx, nby, nbz, np, meshDS); GetPoint(p110, nbx - 1, nby - 1, 0, nbx, nby, nbz, np, meshDS); GetPoint(p111, nbx - 1, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS); for (int i = 1; i < nbx - 1; i++) { for (int j = 1; j < nby - 1; j++) { for (int k = 1; k < nbz - 1; k++) { // *** seulement maillage regulier // 12 points on edges GetPoint(px00, i, 0, 0, nbx, nby, nbz, np, meshDS); GetPoint(px01, i, 0, nbz - 1, nbx, nby, nbz, np, meshDS); GetPoint(px10, i, nby - 1, 0, nbx, nby, nbz, np, meshDS); GetPoint(px11, i, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS); GetPoint(p0y0, 0, j, 0, nbx, nby, nbz, np, meshDS); GetPoint(p0y1, 0, j, nbz - 1, nbx, nby, nbz, np, meshDS); GetPoint(p1y0, nbx - 1, j, 0, nbx, nby, nbz, np, meshDS); GetPoint(p1y1, nbx - 1, j, nbz - 1, nbx, nby, nbz, np, meshDS); GetPoint(p00z, 0, 0, k, nbx, nby, nbz, np, meshDS); GetPoint(p01z, 0, nby - 1, k, nbx, nby, nbz, np, meshDS); GetPoint(p10z, nbx - 1, 0, k, nbx, nby, nbz, np, meshDS); GetPoint(p11z, nbx - 1, nby - 1, k, nbx, nby, nbz, np, meshDS); // 12 points on faces GetPoint(pxy0, i, j, 0, nbx, nby, nbz, np, meshDS); GetPoint(pxy1, i, j, nbz - 1, nbx, nby, nbz, np, meshDS); GetPoint(px0z, i, 0, k, nbx, nby, nbz, np, meshDS); GetPoint(px1z, i, nby - 1, k, nbx, nby, nbz, np, meshDS); GetPoint(p0yz, 0, j, k, nbx, nby, nbz, np, meshDS); GetPoint(p1yz, nbx - 1, j, k, nbx, nby, nbz, np, meshDS); int ijk = k * nbx * nby + j * nbx + i; double x = double (i) / double (nbx - 1); // *** seulement double y = double (j) / double (nby - 1); // *** maillage double z = double (k) / double (nbz - 1); // *** regulier Pt3 X; for (int i = 0; i < 3; i++) { X[i] = (1 - x) * p0yz[i] + x * p1yz[i] + (1 - y) * px0z[i] + y * px1z[i] + (1 - z) * pxy0[i] + z * pxy1[i] - (1 - x) * ((1 - y) * p00z[i] + y * p01z[i]) - x * ((1 - y) * p10z[i] + y * p11z[i]) - (1 - y) * ((1 - z) * px00[i] + z * px01[i]) - y * ((1 - z) * px10[i] + z * px11[i]) - (1 - z) * ((1 - x) * p0y0[i] + x * p1y0[i]) - z * ((1 - x) * p0y1[i] + x * p1y1[i]) + (1 - x) * ((1 - y) * ((1 - z) * p000[i] + z * p001[i]) + y * ((1 - z) * p010[i] + z * p011[i])) + x * ((1 - y) * ((1 - z) * p100[i] + z * p101[i]) + y * ((1 - z) * p110[i] + z * p111[i])); } SMDS_MeshNode * node = meshDS->AddNode(X[0], X[1], X[2]); np[ijk].node = node; //meshDS->SetNodeInVolume(node, TopoDS::Solid(aShape)); meshDS->SetNodeInVolume(node, aShell); } } } //2.1 - for each node of the cube (less 3 *1 Faces): // - store hexahedron in SMESHDS MESSAGE("Storing hexahedron into the DS"); for (int i = 0; i < nbx - 1; i++) for (int j = 0; j < nby - 1; j++) for (int k = 0; k < nbz - 1; k++) { int n1 = k * nbx * nby + j * nbx + i; int n2 = k * nbx * nby + j * nbx + i + 1; int n3 = k * nbx * nby + (j + 1) * nbx + i + 1; int n4 = k * nbx * nby + (j + 1) * nbx + i; int n5 = (k + 1) * nbx * nby + j * nbx + i; int n6 = (k + 1) * nbx * nby + j * nbx + i + 1; int n7 = (k + 1) * nbx * nby + (j + 1) * nbx + i + 1; int n8 = (k + 1) * nbx * nby + (j + 1) * nbx + i; // MESSAGE(" "<AddVolume(np[n1].node, np[n2].node, np[n3].node, np[n4].node, np[n5].node, np[n6].node, np[n7].node, np[n8].node); ; meshDS->SetMeshElementOnShape(elt, aShell); // *** 5 tetrahedres ... verifier orientations, // mettre en coherence &vec quadrangles-> triangles // choisir afficher 1 parmi edges, face et volumes // int tetra1 = meshDS->AddVolume(np[n1].nodeId, // np[n2].nodeId, // np[n4].nodeId, // np[n5].nodeId); // int tetra2 = meshDS->AddVolume(np[n2].nodeId, // np[n3].nodeId, // np[n4].nodeId, // np[n7].nodeId); // int tetra3 = meshDS->AddVolume(np[n5].nodeId, // np[n6].nodeId, // np[n7].nodeId, // np[n2].nodeId); // int tetra4 = meshDS->AddVolume(np[n5].nodeId, // np[n7].nodeId, // np[n8].nodeId, // np[n4].nodeId); // int tetra5 = meshDS->AddVolume(np[n5].nodeId, // np[n7].nodeId, // np[n2].nodeId, // np[n4].nodeId); } MESSAGE("End of StdMeshers_Hexa_3D::Compute()"); return true; } //============================================================================= /*! * */ //============================================================================= void StdMeshers_Hexa_3D::GetPoint(Pt3 p, int i, int j, int k, int nbx, int nby, int nbz, Point3DStruct * np, const SMESHDS_Mesh * meshDS) { int ijk = k * nbx * nby + j * nbx + i; const SMDS_MeshNode * node = np[ijk].node; p[0] = node->X(); p[1] = node->Y(); p[2] = node->Z(); //MESSAGE(" "<&meshFaces, const TopoDS_Vertex & V0, const TopoDS_Vertex & V1, const TopoDS_Vertex & V2, const TopoDS_Vertex & V3) { MESSAGE("StdMeshers_Hexa_3D::GetFaceIndex"); int faceIndex = -1; for (int i = 1; i < 6; i++) { const TopoDS_Shape & aFace = meshFaces[i]->GetSubShape(); //const TopoDS_Face& F = TopoDS::Face(aFace); TopTools_IndexedMapOfShape M; TopExp::MapShapes(aFace, TopAbs_VERTEX, M); bool verticesInShape = false; if (M.Contains(V0)) if (M.Contains(V1)) if (M.Contains(V2)) if (M.Contains(V3)) verticesInShape = true; if (verticesInShape) { faceIndex = i; break; } } ASSERT(faceIndex > 0); SCRUTE(faceIndex); return faceIndex; } //============================================================================= /*! * */ //============================================================================= TopoDS_Edge StdMeshers_Hexa_3D::EdgeNotInFace(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape, const TopoDS_Face & aFace, const TopoDS_Vertex & aVertex, const TopTools_IndexedDataMapOfShapeListOfShape & MS) { MESSAGE("StdMeshers_Hexa_3D::EdgeNotInFace"); TopTools_IndexedDataMapOfShapeListOfShape MF; TopExp::MapShapesAndAncestors(aFace, TopAbs_VERTEX, TopAbs_EDGE, MF); const TopTools_ListOfShape & ancestorsInSolid = MS.FindFromKey(aVertex); const TopTools_ListOfShape & ancestorsInFace = MF.FindFromKey(aVertex); SCRUTE(ancestorsInSolid.Extent()); SCRUTE(ancestorsInFace.Extent()); ASSERT(ancestorsInSolid.Extent() == 6); // 6 (edges doublees) ASSERT(ancestorsInFace.Extent() == 2); TopoDS_Edge E; E.Nullify(); TopTools_ListIteratorOfListOfShape its(ancestorsInSolid); for (; its.More(); its.Next()) { TopoDS_Shape ancestor = its.Value(); TopTools_ListIteratorOfListOfShape itf(ancestorsInFace); bool isInFace = false; for (; itf.More(); itf.Next()) { TopoDS_Shape ancestorInFace = itf.Value(); if (ancestorInFace.IsSame(ancestor)) { isInFace = true; break; } } if (!isInFace) { E = TopoDS::Edge(ancestor); break; } } return E; } //============================================================================= /*! * */ //============================================================================= void StdMeshers_Hexa_3D::GetConv2DCoefs(const faceQuadStruct & quad, const TopoDS_Shape & aShape, const TopoDS_Vertex & V0, const TopoDS_Vertex & V1, const TopoDS_Vertex & V2, const TopoDS_Vertex & V3, Conv2DStruct & conv) { MESSAGE("StdMeshers_Hexa_3D::GetConv2DCoefs"); const TopoDS_Face & F = TopoDS::Face(aShape); TopoDS_Edge E = quad.edge[0]; double f, l; Handle(Geom2d_Curve) C2d = BRep_Tool::CurveOnSurface(E, F, f, l); TopoDS_Vertex VFirst, VLast; TopExp::Vertices(E, VFirst, VLast); // corresponds to f and l bool isForward = (((l - f) * (quad.last[0] - quad.first[0])) > 0); TopoDS_Vertex VA, VB; if (isForward) { VA = VFirst; VB = VLast; } else { VA = VLast; VB = VFirst; } int a1, b1, c1, a2, b2, c2; if (VA.IsSame(V0)) if (VB.IsSame(V1)) { a1 = 1; b1 = 0; c1 = 0; // x a2 = 0; b2 = 1; c2 = 0; // y } else { ASSERT(VB.IsSame(V3)); a1 = 0; b1 = 1; c1 = 0; // y a2 = 1; b2 = 0; c2 = 0; // x } if (VA.IsSame(V1)) if (VB.IsSame(V2)) { a1 = 0; b1 = -1; c1 = 1; // 1-y a2 = 1; b2 = 0; c2 = 0; // x } else { ASSERT(VB.IsSame(V0)); a1 = -1; b1 = 0; c1 = 1; // 1-x a2 = 0; b2 = 1; c2 = 0; // y } if (VA.IsSame(V2)) if (VB.IsSame(V3)) { a1 = -1; b1 = 0; c1 = 1; // 1-x a2 = 0; b2 = -1; c2 = 1; // 1-y } else { ASSERT(VB.IsSame(V1)); a1 = 0; b1 = -1; c1 = 1; // 1-y a2 = -1; b2 = 0; c2 = 1; // 1-x } if (VA.IsSame(V3)) if (VB.IsSame(V0)) { a1 = 0; b1 = 1; c1 = 0; // y a2 = -1; b2 = 0; c2 = 1; // 1-x } else { ASSERT(VB.IsSame(V2)); a1 = 1; b1 = 0; c1 = 0; // x a2 = 0; b2 = -1; c2 = 1; // 1-y } MESSAGE("X = " << c1 << "+ " << a1 << "*x + " << b1 << "*y"); MESSAGE("Y = " << c2 << "+ " << a2 << "*x + " << b2 << "*y"); conv.a1 = a1; conv.b1 = b1; conv.c1 = c1; conv.a2 = a2; conv.b2 = b2; conv.c2 = c2; int nbdown = quad.nbPts[0]; int nbright = quad.nbPts[1]; conv.ia = int (a1); conv.ib = int (b1); conv.ic = int (c1 * a1 * a1) * (nbdown - 1) + int (c1 * b1 * b1) * (nbright - 1); conv.ja = int (a2); conv.jb = int (b2); conv.jc = int (c2 * a2 * a2) * (nbdown - 1) + int (c2 * b2 * b2) * (nbright - 1); MESSAGE("I " << conv.ia << " " << conv.ib << " " << conv.ic); MESSAGE("J " << conv.ja << " " << conv.jb << " " << conv.jc); } //============================================================================= /*! * */ //============================================================================= ostream & StdMeshers_Hexa_3D::SaveTo(ostream & save) { return save; } //============================================================================= /*! * */ //============================================================================= istream & StdMeshers_Hexa_3D::LoadFrom(istream & load) { return load; } //============================================================================= /*! * */ //============================================================================= ostream & operator <<(ostream & save, StdMeshers_Hexa_3D & hyp) { return hyp.SaveTo( save ); } //============================================================================= /*! * */ //============================================================================= istream & operator >>(istream & load, StdMeshers_Hexa_3D & hyp) { return hyp.LoadFrom( load ); }