--- /dev/null
+using namespace std;
+//=============================================================================
+// File : SMESH_Hexa_3D.cxx
+// Created : sam mai 18 23:15:30 CEST 2002
+// Author : Paul RASCLE, EDF
+// Project : SALOME
+// Copyright : EDF 2002
+// $Header$
+//=============================================================================
+using namespace std;
+
+#include "SMESH_Hexa_3D.hxx"
+#include "SMESH_Quadrangle_2D.hxx"
+#include "SMESH_Gen.hxx"
+#include "SMESH_Mesh.hxx"
+
+#include "SMDS_MeshElement.hxx"
+#include "SMDS_MeshNode.hxx"
+#include "SMDS_FacePosition.hxx"
+
+#include <TopExp.hxx>
+#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
+#include <TopTools_ListOfShape.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TColStd_ListIteratorOfListOfInteger.hxx>
+
+#include <BRep_Tool.hxx>
+#include <Geom_Surface.hxx>
+#include <Geom_Curve.hxx>
+#include <Geom2d_Curve.hxx>
+#include <Handle_Geom2d_Curve.hxx>
+#include <Handle_Geom_Curve.hxx>
+
+#include "utilities.h"
+
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+SMESH_Hexa_3D::SMESH_Hexa_3D(int hypId, int studyId,
+ SMESH_Gen* gen)
+ : SMESH_3D_Algo(hypId, studyId, gen)
+{
+ MESSAGE("SMESH_Hexa_3D::SMESH_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;
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+SMESH_Hexa_3D::~SMESH_Hexa_3D()
+{
+ MESSAGE("SMESH_Hexa_3D::~SMESH_Hexa_3D");
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+bool SMESH_Hexa_3D::CheckHypothesis(SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape)
+{
+ MESSAGE("SMESH_Hexa_3D::CheckHypothesis");
+
+ bool isOk = true;
+
+ // 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 SMESH_Hexa_3D::Compute(SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape)
+ throw (SALOME_Exception)
+{
+ MESSAGE("SMESH_Hexa_3D::Compute");
+
+ bool isOk = false;
+ const Handle(SMESHDS_Mesh)& meshDS = aMesh.GetMeshDS();
+ SMESH_subMesh* theSubMesh = aMesh.GetSubMesh(aShape);
+ //const Handle(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;
+ }
+ SMESH_Quadrangle_2D* quadAlgo =dynamic_cast<SMESH_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());
+ const TColStd_ListOfInteger& indElt
+ = aMesh.GetSubMesh(F)->GetSubMeshDS()->GetIDNodes();
+ TColStd_ListIteratorOfListOfInteger itf(indElt);
+
+ faceQuadStruct* quad = _cube.quad_X0;
+ int i=0; // j = x/face , k = y/face
+ int nbdown = quad->nbPts[0];
+ int nbright = quad->nbPts[1];
+
+ for (; itf.More(); itf.Next())
+ {
+ int nodeId = itf.Value();
+ Handle (SMDS_MeshElement) elt = meshDS->FindNode(nodeId);
+ Handle (SMDS_MeshNode) node = meshDS->GetNode(1, elt);
+ Handle (SMDS_FacePosition) fpos
+ = Handle (SMDS_FacePosition)::DownCast(node->GetPosition());
+ 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].nodeId = nodeId;
+ }
+
+ 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(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
+ np[ijk].nodeId = quad->uv_grid[ij1].nodeId;
+ //SCRUTE(np[ijk].nodeId);
+ }
+ }
+
+ {
+ const TopoDS_Face& F = TopoDS::Face(meshFaces[_indX1]->GetSubShape());
+ const TColStd_ListOfInteger& indElt
+ = aMesh.GetSubMesh(F)->GetSubMeshDS()->GetIDNodes();
+ TColStd_ListIteratorOfListOfInteger itf(indElt);
+
+ 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];
+
+ for (; itf.More(); itf.Next())
+ {
+ int nodeId = itf.Value();
+ Handle (SMDS_MeshElement) elt = meshDS->FindNode(nodeId);
+ Handle (SMDS_MeshNode) node = meshDS->GetNode(1, elt);
+ Handle (SMDS_FacePosition) fpos
+ = Handle (SMDS_FacePosition)::DownCast(node->GetPosition());
+ 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].nodeId = nodeId;
+ }
+
+ 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(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
+ np[ijk].nodeId = quad->uv_grid[ij1].nodeId;
+ //SCRUTE(np[ijk].nodeId);
+ }
+ }
+
+ {
+ const TopoDS_Face& F = TopoDS::Face(meshFaces[_indY0]->GetSubShape());
+ const TColStd_ListOfInteger& indElt
+ = aMesh.GetSubMesh(F)->GetSubMeshDS()->GetIDNodes();
+ TColStd_ListIteratorOfListOfInteger itf(indElt);
+
+ faceQuadStruct* quad = _cube.quad_Y0;
+ int j=0; // i = x/face , k = y/face
+ int nbdown = quad->nbPts[0];
+ int nbright = quad->nbPts[1];
+
+ for (; itf.More(); itf.Next())
+ {
+ int nodeId = itf.Value();
+ Handle (SMDS_MeshElement) elt = meshDS->FindNode(nodeId);
+ Handle (SMDS_MeshNode) node = meshDS->GetNode(1, elt);
+ Handle (SMDS_FacePosition) fpos
+ = Handle (SMDS_FacePosition)::DownCast(node->GetPosition());
+ 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].nodeId = nodeId;
+ }
+
+ 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(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
+ np[ijk].nodeId = quad->uv_grid[ij1].nodeId;
+ //SCRUTE(np[ijk].nodeId);
+ }
+ }
+
+ {
+ const TopoDS_Face& F = TopoDS::Face(meshFaces[_indY1]->GetSubShape());
+ const TColStd_ListOfInteger& indElt
+ = aMesh.GetSubMesh(F)->GetSubMeshDS()->GetIDNodes();
+ TColStd_ListIteratorOfListOfInteger itf(indElt);
+
+ 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];
+
+ for (; itf.More(); itf.Next())
+ {
+ int nodeId = itf.Value();
+ Handle (SMDS_MeshElement) elt = meshDS->FindNode(nodeId);
+ Handle (SMDS_MeshNode) node = meshDS->GetNode(1, elt);
+ Handle (SMDS_FacePosition) fpos
+ = Handle (SMDS_FacePosition)::DownCast(node->GetPosition());
+ 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].nodeId = nodeId;
+ }
+
+ 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(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
+ np[ijk].nodeId = quad->uv_grid[ij1].nodeId;
+ //SCRUTE(np[ijk].nodeId);
+ }
+ }
+
+ {
+ const TopoDS_Face& F = TopoDS::Face(meshFaces[_indZ0]->GetSubShape());
+ const TColStd_ListOfInteger& indElt
+ = aMesh.GetSubMesh(F)->GetSubMeshDS()->GetIDNodes();
+ TColStd_ListIteratorOfListOfInteger itf(indElt);
+
+ faceQuadStruct* quad = _cube.quad_Z0;
+ int k=0; // i = x/face , j = y/face
+ int nbdown = quad->nbPts[0];
+ int nbright = quad->nbPts[1];
+
+ for (; itf.More(); itf.Next())
+ {
+ int nodeId = itf.Value();
+ Handle (SMDS_MeshElement) elt = meshDS->FindNode(nodeId);
+ Handle (SMDS_MeshNode) node = meshDS->GetNode(1, elt);
+ Handle (SMDS_FacePosition) fpos
+ = Handle (SMDS_FacePosition)::DownCast(node->GetPosition());
+ 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].nodeId = nodeId;
+ }
+
+ 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(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
+ np[ijk].nodeId = quad->uv_grid[ij1].nodeId;
+ //SCRUTE(np[ijk].nodeId);
+ }
+ }
+
+ {
+ const TopoDS_Face& F = TopoDS::Face(meshFaces[_indZ1]->GetSubShape());
+ const TColStd_ListOfInteger& indElt
+ = aMesh.GetSubMesh(F)->GetSubMeshDS()->GetIDNodes();
+ TColStd_ListIteratorOfListOfInteger itf(indElt);
+
+ 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];
+
+ for (; itf.More(); itf.Next())
+ {
+ int nodeId = itf.Value();
+ Handle (SMDS_MeshElement) elt = meshDS->FindNode(nodeId);
+ Handle (SMDS_MeshNode) node = meshDS->GetNode(1, elt);
+ Handle (SMDS_FacePosition) fpos
+ = Handle (SMDS_FacePosition)::DownCast(node->GetPosition());
+ 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].nodeId = nodeId;
+ }
+
+ 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(" "<<ij1<<" "<<i<<" "<<j<<" "<<ijk);
+ np[ijk].nodeId = quad->uv_grid[ij1].nodeId;
+ //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);
+ }
+
+ MESSAGE("---");
+ 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]));
+ }
+
+
+ int myNodeId = meshDS->AddNode(X[0],X[1],X[2]);
+ //MESSAGE("point "<<myNodeId<<" "<<X[0]<<" "<<X[1]<<" "<<X[2]);
+ np[ijk].nodeId = myNodeId;
+ Handle (SMDS_MeshElement) elt = meshDS->FindNode(myNodeId);
+ Handle (SMDS_MeshNode) node = meshDS->GetNode(1, elt);
+
+ //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
+
+ 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(" "<<n1<<" "<<n2<<" "<<n3<<" "<<n4<<" "<<n5<<" "<<n6<<" "<<n7<<" "<<n8);
+ //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);
+
+ int hexa = meshDS->AddVolume(np[n1].nodeId,
+ np[n2].nodeId,
+ np[n3].nodeId,
+ np[n4].nodeId,
+ np[n5].nodeId,
+ np[n6].nodeId,
+ np[n7].nodeId,
+ np[n8].nodeId);
+ Handle (SMDS_MeshElement) elt = meshDS->FindElement(hexa);
+ 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);
+
+ }
+
+ return true;
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+void SMESH_Hexa_3D::GetPoint(Pt3 p,
+ int i, int j, int k,
+ int nbx, int nby, int nbz,
+ Point3DStruct *np,
+ const Handle(SMESHDS_Mesh)& meshDS)
+{
+ int ijk = k*nbx*nby + j*nbx + i;
+ int nodeId = np[ijk].nodeId;
+ Handle (SMDS_MeshElement) elt = meshDS->FindNode(nodeId);
+ Handle (SMDS_MeshNode) node = meshDS->GetNode(1, elt);
+ p[0] = node->X();
+ p[1] = node->Y();
+ p[2] = node->Z();
+ //MESSAGE(" "<<i<<" "<<j<<" "<<k<<" "<<p[0]<<" "<<p[1]<<" "<<p[2]);
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+int SMESH_Hexa_3D::GetFaceIndex(SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ const vector<SMESH_subMesh*>& meshFaces,
+ const TopoDS_Vertex& V0,
+ const TopoDS_Vertex& V1,
+ const TopoDS_Vertex& V2,
+ const TopoDS_Vertex& V3)
+{
+ MESSAGE("SMESH_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
+SMESH_Hexa_3D::EdgeNotInFace(SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ const TopoDS_Face& aFace,
+ const TopoDS_Vertex& aVertex,
+ const TopTools_IndexedDataMapOfShapeListOfShape& MS)
+{
+ MESSAGE("SMESH_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 SMESH_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("SMESH_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 & SMESH_Hexa_3D::SaveTo(ostream & save)
+{
+ return save << this;
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+istream & SMESH_Hexa_3D::LoadFrom(istream & load)
+{
+ return load >> (*this);
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+ostream & operator << (ostream & save, SMESH_Hexa_3D & hyp)
+{
+ return save;
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+istream & operator >> (istream & load, SMESH_Hexa_3D & hyp)
+{
+ return load;
+}
