X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_Hexa_3D.cxx;h=7745eee729fd448a27de068dc0c93a6a7047fb31;hp=f80cd53cbc4c34ad94478b8b32d764f358178cfb;hb=9357f5c87098aff2b95b754d69f66c76d2df9c24;hpb=ed456586bfb1411c5bff73b221658766689a6253 diff --git a/src/StdMeshers/StdMeshers_Hexa_3D.cxx b/src/StdMeshers/StdMeshers_Hexa_3D.cxx index f80cd53cb..7745eee72 100644 --- a/src/StdMeshers/StdMeshers_Hexa_3D.cxx +++ b/src/StdMeshers/StdMeshers_Hexa_3D.cxx @@ -1,65 +1,73 @@ -// SMESH SMESH : implementaion of SMESH idl descriptions +// Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE +// +// Copyright (C) 2003-2007 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. // -// 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 +// 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.salome-platform.org/ or email : webmaster.salome@opencascade.com // + +// SMESH SMESH : implementaion of SMESH idl descriptions // 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_CompositeHexa_3D.hxx" +#include "StdMeshers_FaceSide.hxx" +#include "StdMeshers_HexaFromSkin_3D.hxx" +#include "StdMeshers_Penta_3D.hxx" +#include "StdMeshers_Prism_3D.hxx" #include "StdMeshers_Quadrangle_2D.hxx" + #include "SMESH_Gen.hxx" #include "SMESH_Mesh.hxx" #include "SMESH_subMesh.hxx" +#include "SMESH_Comment.hxx" #include "SMDS_MeshElement.hxx" #include "SMDS_MeshNode.hxx" #include "SMDS_FacePosition.hxx" +#include "SMDS_VolumeTool.hxx" +#include "SMDS_VolumeOfNodes.hxx" #include +#include #include -#include #include -#include - -#include -#include -#include -#include -#include -#include +#include +#include +#include +#include #include #include "utilities.h" #include "Utils_ExceptHandlers.hxx" -//modified by NIZNHY-PKV Wed Nov 17 15:31:58 2004 f -#include +typedef SMESH_Comment TComm; + +using namespace std; -static bool ComputePentahedralMesh(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape); -//modified by NIZNHY-PKV Wed Nov 17 15:32:00 2004 t +static SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh &, + const TopoDS_Shape &); + +static bool EvaluatePentahedralMesh(SMESH_Mesh &, const TopoDS_Shape &, + MapShapeNbElems &); //============================================================================= /*! @@ -67,16 +75,13 @@ static bool ComputePentahedralMesh(SMESH_Mesh & aMesh, const TopoDS_Shape & aSha */ //============================================================================= -StdMeshers_Hexa_3D::StdMeshers_Hexa_3D(int hypId, int studyId, - SMESH_Gen * gen):SMESH_3D_Algo(hypId, studyId, gen) +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; + MESSAGE("StdMeshers_Hexa_3D::StdMeshers_Hexa_3D"); + _name = "Hexa_3D"; + _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit /shape type + _requireShape = false; } //============================================================================= @@ -87,9 +92,27 @@ StdMeshers_Hexa_3D::StdMeshers_Hexa_3D(int hypId, int studyId, StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D() { - MESSAGE("StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D"); + MESSAGE("StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D"); +} + +//================================================================================ +/*! + * \brief Clear fields and return the argument + * \param res - the value to return + * \retval bool - the argument value + */ +//================================================================================ + +bool StdMeshers_Hexa_3D::ClearAndReturn(FaceQuadStruct* theQuads[6], const bool res) +{ + for (int i = 0; i < 6; i++) { + delete theQuads[i]; + theQuads[i] = NULL; + } + return res; } + //============================================================================= /*! * @@ -97,18 +120,41 @@ StdMeshers_Hexa_3D::~StdMeshers_Hexa_3D() //============================================================================= bool StdMeshers_Hexa_3D::CheckHypothesis - (SMESH_Mesh& aMesh, - const TopoDS_Shape& aShape, + (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; + // check nb of faces in the shape +/* PAL16229 + aStatus = SMESH_Hypothesis::HYP_BAD_GEOMETRY; + int nbFaces = 0; + for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) + if ( ++nbFaces > 6 ) + break; + if ( nbFaces != 6 ) + return false; +*/ + aStatus = SMESH_Hypothesis::HYP_OK; + return true; +} - // nothing to check +//======================================================================= +//function : isCloser +//purpose : +//======================================================================= - return isOk; +inline bool isCloser(const int i, const int j, const int nbhoriz, + const FaceQuadStruct* quad, const gp_Pnt2d uv, + double & minDist) +{ + int ij = j * nbhoriz + i; + gp_Pnt2d uv2( quad->uv_grid[ij].u, quad->uv_grid[ij].v ); + double dist = uv.SquareDistance( uv2 ); + if ( dist < minDist ) { + minDist = dist; + return true; + } + return false; } //======================================================================= @@ -118,30 +164,46 @@ bool StdMeshers_Hexa_3D::CheckHypothesis static bool findIJ (const SMDS_MeshNode* node, const FaceQuadStruct * quad, int& I, int& J) { - I = J = 0; const SMDS_FacePosition* fpos = static_cast(node->GetPosition().get()); if ( ! fpos ) return false; gp_Pnt2d uv( fpos->GetUParameter(), fpos->GetVParameter() ); double minDist = DBL_MAX; - int nbhoriz = Min(quad->nbPts[0], quad->nbPts[2]); - int nbvertic = Min(quad->nbPts[1], quad->nbPts[3]); - for (int i = 1; i < nbhoriz - 1; i++) { - for (int j = 1; j < nbvertic - 1; j++) { - int ij = j * nbhoriz + i; - gp_Pnt2d uv2( quad->uv_grid[ij].u, quad->uv_grid[ij].v ); - double dist = uv.SquareDistance( uv2 ); - if ( dist < minDist ) { - minDist = dist; - I = i; - J = j; - } - } + const int nbhoriz = quad->side[0]->NbPoints(); + const int nbvertic = quad->side[1]->NbPoints(); + I = nbhoriz/2; J = nbvertic/2; + int oldI, oldJ; + do { + oldI = I; oldJ = J; + while ( I + 2 < nbhoriz && isCloser( I + 1, J, nbhoriz, quad, uv, minDist )) + I += 1; + if ( I == oldI ) + while ( I - 1 > 0 && isCloser( I - 1, J, nbhoriz, quad, uv, minDist )) + I -= 1; + if ( minDist < DBL_MIN ) + break; + + while ( J + 2 < nbvertic && isCloser( I, J + 1, nbhoriz, quad, uv, minDist )) + J += 1; + if ( J == oldJ ) + while ( J - 1 > 0 && isCloser( I, J - 1, nbhoriz, quad, uv, minDist )) + J -= 1; + if ( minDist < DBL_MIN ) + break; + + } while ( I != oldI || J != oldJ ); + + if ( minDist > DBL_MIN ) { + for (int i = 1; i < nbhoriz - 1; i++) + for (int j = 1; j < nbvertic - 1; j++) + if ( isCloser( i, j, nbhoriz, quad, uv, minDist )) + I = i, J = j; } return true; } + //============================================================================= /*! * Hexahedron mesh on hexaedron like form @@ -155,849 +217,688 @@ static bool findIJ (const SMDS_MeshNode* node, const FaceQuadStruct * quad, int& */ //============================================================================= -bool StdMeshers_Hexa_3D::Compute(SMESH_Mesh & aMesh, - const TopoDS_Shape & aShape)throw(SALOME_Exception) +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 aFace = meshFaces[i]->GetSubShape(); - SMESH_Algo *algo = _gen->GetAlgo(aMesh, aFace); - string algoName = algo->GetName(); - bool isAllQuad = false; - if (algoName == "Quadrangle_2D") { - SMESHDS_SubMesh * sm = meshDS->MeshElements( aFace ); - if ( sm ) { - isAllQuad = true; - SMDS_ElemIteratorPtr eIt = sm->GetElements(); - while ( isAllQuad && eIt->more() ) - isAllQuad = ( eIt->next()->NbNodes() == 4 ); - } - } - if ( ! isAllQuad ) { - //modified by NIZNHY-PKV Wed Nov 17 15:31:37 2004 f - bool bIsOk; - // - bIsOk=ComputePentahedralMesh(aMesh, aShape); - if (bIsOk) { - return true; - } - //modified by NIZNHY-PKV Wed Nov 17 15:31:42 2004 t - SCRUTE(algoName); - // ASSERT(0); - return false; - } - StdMeshers_Quadrangle_2D *quadAlgo = - dynamic_cast < StdMeshers_Quadrangle_2D * >(algo); - ASSERT(quadAlgo); - try - { - _quads[i] = quadAlgo->CheckAnd2Dcompute(aMesh, aFace); - // *** to delete after usage - } - catch(SALOME_Exception & S_ex) - { - // *** delete _quads - // *** throw exception - // ASSERT(0); - return false; - } - - // 0.2.1 - number of points on the opposite edges must be the same - if (_quads[i]->nbPts[0] != _quads[i]->nbPts[2] || - _quads[i]->nbPts[1] != _quads[i]->nbPts[3]) - { - MESSAGE("different number of points on the opposite edges of face " << i); - // ASSERT(0); - return false; - } - } - - // 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_Z0->nbPts[0]; - if (cz0.a1 == 0.) nbx = _cube.quad_Z0->nbPts[1]; + // PAL14921. Enable catching std::bad_alloc and Standard_OutOfMemory outside + //Unexpect aCatch(SalomeException); + MESSAGE("StdMeshers_Hexa_3D::Compute"); + SMESHDS_Mesh * meshDS = aMesh.GetMeshDS(); + + // 0. - shape and face mesh verification + // 0.1 - shape must be a solid (or a shell) with 6 faces + + 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) { + //return error(COMPERR_BAD_SHAPE, TComm(meshFaces.size())<<" instead of 6 faces in a block"); + static StdMeshers_CompositeHexa_3D compositeHexa(-10, 0, aMesh.GetGen()); + if ( !compositeHexa.Compute( aMesh, aShape )) + return error( compositeHexa.GetComputeError() ); + return true; + } + + // 0.2 - is each face meshed with Quadrangle_2D? (so, with a wire of 4 edges) + + // tool for working with quadratic elements + SMESH_MesherHelper aTool (aMesh); + _quadraticMesh = aTool.IsQuadraticSubMesh(aShape); + + // cube structure + typedef struct cubeStruct + { + TopoDS_Vertex V000; + TopoDS_Vertex V001; + TopoDS_Vertex V010; + TopoDS_Vertex V011; + TopoDS_Vertex V100; + TopoDS_Vertex V101; + TopoDS_Vertex V110; + TopoDS_Vertex V111; + faceQuadStruct* quad_X0; + faceQuadStruct* quad_X1; + faceQuadStruct* quad_Y0; + faceQuadStruct* quad_Y1; + faceQuadStruct* quad_Z0; + faceQuadStruct* quad_Z1; + Point3DStruct* np; // normalised 3D coordinates + } CubeStruct; + + CubeStruct aCube; + + // bounding faces + FaceQuadStruct* aQuads[6]; + for (int i = 0; i < 6; i++) + aQuads[i] = 0; + + for (int i = 0; i < 6; i++) + { + TopoDS_Shape aFace = meshFaces[i]->GetSubShape(); + SMESH_Algo *algo = _gen->GetAlgo(aMesh, aFace); + string algoName = algo->GetName(); + bool isAllQuad = false; + if (algoName == "Quadrangle_2D") { + SMESHDS_SubMesh * sm = meshDS->MeshElements( aFace ); + if ( sm ) { + isAllQuad = true; + SMDS_ElemIteratorPtr eIt = sm->GetElements(); + while ( isAllQuad && eIt->more() ) { + const SMDS_MeshElement* elem = eIt->next(); + isAllQuad = ( elem->NbNodes()==4 ||(_quadraticMesh && elem->NbNodes()==8) ); + } + } + } + if ( ! isAllQuad ) { + SMESH_ComputeErrorPtr err = ComputePentahedralMesh(aMesh, aShape); + return ClearAndReturn( aQuads, error(err)); + } + StdMeshers_Quadrangle_2D *quadAlgo = + dynamic_cast < StdMeshers_Quadrangle_2D * >(algo); + ASSERT(quadAlgo); + try { + aQuads[i] = quadAlgo->CheckAnd2Dcompute(aMesh, aFace, _quadraticMesh); + if(!aQuads[i]) { + return error( quadAlgo->GetComputeError()); + } + } + catch(SALOME_Exception & S_ex) { + return ClearAndReturn( aQuads, error(COMPERR_SLM_EXCEPTION,TComm(S_ex.what()) << + " Raised by StdMeshers_Quadrangle_2D " + " on face #" << meshDS->ShapeToIndex( aFace ))); + } + + // 0.2.1 - number of points on the opposite edges must be the same + if (aQuads[i]->side[0]->NbPoints() != aQuads[i]->side[2]->NbPoints() || + aQuads[i]->side[1]->NbPoints() != aQuads[i]->side[3]->NbPoints() + /*aQuads[i]->side[0]->NbEdges() != 1 || + aQuads[i]->side[1]->NbEdges() != 1 || + aQuads[i]->side[2]->NbEdges() != 1 || + aQuads[i]->side[3]->NbEdges() != 1*/) { + MESSAGE("different number of points on the opposite edges of face " << i); + // Try to go into penta algorithm 'cause it has been improved. + SMESH_ComputeErrorPtr err = ComputePentahedralMesh(aMesh, aShape); + return ClearAndReturn( aQuads, error(err)); + } + } + + // 1. - identify faces and vertices of the "cube" + // 1.1 - ancestor maps vertex->edges in the cube + +// 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 + + 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 + + aCube.V000 = aQuads[0]->side[0]->FirstVertex(); // will be (0,0,0) on the unit cube + aCube.V100 = aQuads[0]->side[0]->LastVertex(); // will be (1,0,0) on the unit cube + aCube.V001 = aQuads[0]->side[2]->FirstVertex(); // will be (0,0,1) on the unit cube + aCube.V101 = aQuads[0]->side[2]->LastVertex(); // will be (1,0,1) on the unit cube + + TopTools_IndexedMapOfShape MV0; + TopExp::MapShapes(aFace, TopAbs_VERTEX, MV0); + + aCube.V010 = OppositeVertex( aCube.V000, MV0, aQuads); + aCube.V110 = OppositeVertex( aCube.V100, MV0, aQuads); + aCube.V011 = OppositeVertex( aCube.V001, MV0, aQuads); + aCube.V111 = OppositeVertex( aCube.V101, MV0, aQuads); + + // 1.6 - find remaining faces given 4 vertices + + int _indY0 = 0; + int _indY1 = GetFaceIndex(aMesh, aShape, meshFaces, + aCube.V010, aCube.V011, aCube.V110, aCube.V111); + int _indZ0 = GetFaceIndex(aMesh, aShape, meshFaces, + aCube.V000, aCube.V010, aCube.V100, aCube.V110); + int _indZ1 = GetFaceIndex(aMesh, aShape, meshFaces, + aCube.V001, aCube.V011, aCube.V101, aCube.V111); + int _indX0 = GetFaceIndex(aMesh, aShape, meshFaces, + aCube.V000, aCube.V001, aCube.V010, aCube.V011); + int _indX1 = GetFaceIndex(aMesh, aShape, meshFaces, + aCube.V100, aCube.V101, aCube.V110, aCube.V111); + + // IPAL21120: SIGSEGV on Meshing attached Compound with Automatic Hexadralization + if ( _indY1 < 1 || _indZ0 < 1 || _indZ1 < 1 || _indX0 < 1 || _indX1 < 1 ) + return error(COMPERR_BAD_SHAPE); + + aCube.quad_Y0 = aQuads[_indY0]; + aCube.quad_Y1 = aQuads[_indY1]; + aCube.quad_Z0 = aQuads[_indZ0]; + aCube.quad_Z1 = aQuads[_indZ1]; + aCube.quad_X0 = aQuads[_indX0]; + aCube.quad_X1 = aQuads[_indX1]; + + // 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(*aCube.quad_X0, meshFaces[_indX0]->GetSubShape(), + aCube.V000, aCube.V010, aCube.V011, aCube.V001, cx0); + GetConv2DCoefs(*aCube.quad_X1, meshFaces[_indX1]->GetSubShape(), + aCube.V100, aCube.V110, aCube.V111, aCube.V101, cx1); + GetConv2DCoefs(*aCube.quad_Y0, meshFaces[_indY0]->GetSubShape(), + aCube.V000, aCube.V100, aCube.V101, aCube.V001, cy0); + GetConv2DCoefs(*aCube.quad_Y1, meshFaces[_indY1]->GetSubShape(), + aCube.V010, aCube.V110, aCube.V111, aCube.V011, cy1); + GetConv2DCoefs(*aCube.quad_Z0, meshFaces[_indZ0]->GetSubShape(), + aCube.V000, aCube.V100, aCube.V110, aCube.V010, cz0); + GetConv2DCoefs(*aCube.quad_Z1, meshFaces[_indZ1]->GetSubShape(), + aCube.V001, aCube.V101, aCube.V111, aCube.V011, cz1); + + // 1.8 - create a 3D structure for normalized values + + int nbx = aCube.quad_Z0->side[0]->NbPoints(); + if (cz0.a1 == 0.) nbx = aCube.quad_Z0->side[1]->NbPoints(); - int nby = _cube.quad_X0->nbPts[0]; - if (cx0.a1 == 0.) nby = _cube.quad_X0->nbPts[1]; + int nby = aCube.quad_X0->side[0]->NbPoints(); + if (cx0.a1 == 0.) nby = aCube.quad_X0->side[1]->NbPoints(); - int nbz = _cube.quad_Y0->nbPts[0]; - if (cy0.a1 != 0.) nbz = _cube.quad_Y0->nbPts[1]; -// 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 i1, j1, 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(); - findIJ( node, quad, i1, j1 ); - 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(); - findIJ( node, quad, i1, j1 ); - 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(); - findIJ( node, quad, i1, j1 ); - 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(); - findIJ( node, quad, i1, j1 ); - 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(); - findIJ( node, quad, i1, j1 ); - 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(); - findIJ( node, quad, i1, j1 ); - 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; -} + int nbz = aCube.quad_Y0->side[0]->NbPoints(); + if (cy0.a1 != 0.) nbz = aCube.quad_Y0->side[1]->NbPoints(); + + int i1, j1, 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 = aCube.quad_X0; + int i = 0; // j = x/face , k = y/face + int nbdown = quad->side[0]->NbPoints(); + int nbright = quad->side[1]->NbPoints(); + + SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes(); + + while(itf->more()) { + const SMDS_MeshNode * node = itf->next(); + if(aTool.IsMedium(node)) + continue; + if ( !findIJ( node, quad, i1, j1 )) + return ClearAndReturn( aQuads, false ); + 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); + } + } -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(" "<GetSubShape()); + + SMDS_NodeIteratorPtr itf= aMesh.GetSubMesh(F)->GetSubMeshDS()->GetNodes(); + + faceQuadStruct *quad = aCube.quad_X1; + int i = nbx - 1; // j = x/face , k = y/face + int nbdown = quad->side[0]->NbPoints(); + int nbright = quad->side[1]->NbPoints(); + + while(itf->more()) { + const SMDS_MeshNode * node = itf->next(); + if(aTool.IsMedium(node)) + continue; + if ( !findIJ( node, quad, i1, j1 )) + return ClearAndReturn( aQuads, false ); + 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 = aCube.quad_Y0; + int j = 0; // i = x/face , k = y/face + int nbdown = quad->side[0]->NbPoints(); + int nbright = quad->side[1]->NbPoints(); + + while(itf->more()) { + const SMDS_MeshNode * node = itf->next(); + if(aTool.IsMedium(node)) + continue; + if ( !findIJ( node, quad, i1, j1 )) + return ClearAndReturn( aQuads, false ); + 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 = aCube.quad_Y1; + int j = nby - 1; // i = x/face , k = y/face + int nbdown = quad->side[0]->NbPoints(); + int nbright = quad->side[1]->NbPoints(); + + while(itf->more()) { + const SMDS_MeshNode * node = itf->next(); + if(aTool.IsMedium(node)) + continue; + if ( !findIJ( node, quad, i1, j1 )) + return ClearAndReturn( aQuads, false ); + 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 = aCube.quad_Z0; + int k = 0; // i = x/face , j = y/face + int nbdown = quad->side[0]->NbPoints(); + int nbright = quad->side[1]->NbPoints(); + + while(itf->more()) { + const SMDS_MeshNode * node = itf->next(); + if(aTool.IsMedium(node)) + continue; + if ( !findIJ( node, quad, i1, j1 )) + return ClearAndReturn( aQuads, false ); + 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 = aCube.quad_Z1; + int k = nbz - 1; // i = x/face , j = y/face + int nbdown = quad->side[0]->NbPoints(); + int nbright = quad->side[1]->NbPoints(); + + while(itf->more()) { + const SMDS_MeshNode * node = itf->next(); + if(aTool.IsMedium(node)) + continue; + if ( !findIJ( node, quad, i1, j1 )) + return ClearAndReturn( aQuads, false ); + 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 + + int shapeID = meshDS->ShapeToIndex( aShape ); + + 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, shapeID); + } + } + } + + // find orientation of furute volumes according to MED convention + vector< bool > forward( nbx * nby ); + SMDS_VolumeTool vTool; + for (int i = 0; i < nbx - 1; i++) { + for (int j = 0; j < nby - 1; j++) { + int n1 = j * nbx + i; + int n2 = j * nbx + i + 1; + int n3 = (j + 1) * nbx + i + 1; + int n4 = (j + 1) * nbx + i; + int n5 = nbx * nby + j * nbx + i; + int n6 = nbx * nby + j * nbx + i + 1; + int n7 = nbx * nby + (j + 1) * nbx + i + 1; + int n8 = nbx * nby + (j + 1) * nbx + i; + + SMDS_VolumeOfNodes tmpVol (np[n1].node,np[n2].node,np[n3].node,np[n4].node, + np[n5].node,np[n6].node,np[n7].node,np[n8].node); + vTool.Set( &tmpVol ); + forward[ n1 ] = vTool.IsForward(); + } + } + + //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++) { + bool isForw = forward.at( j * nbx + i ); + 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; + + SMDS_MeshVolume * elt; + if ( isForw ) { + elt = aTool.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); + } + else { + elt = aTool.AddVolume(np[n1].node, np[n4].node, + np[n3].node, np[n2].node, + np[n5].node, np[n8].node, + np[n7].node, np[n6].node); + } + + meshDS->SetMeshElementOnShape(elt, shapeID); + } + } + } + if ( np ) delete [] np; + return ClearAndReturn( aQuads, true ); } + //============================================================================= /*! - * + * Evaluate */ //============================================================================= -int StdMeshers_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) +bool StdMeshers_Hexa_3D::Evaluate(SMESH_Mesh & aMesh, + const TopoDS_Shape & aShape, + MapShapeNbElems& aResMap) { - //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; + vector < SMESH_subMesh * >meshFaces; + TopTools_SequenceOfShape aFaces; + for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) { + aFaces.Append(exp.Current()); + SMESH_subMesh *aSubMesh = aMesh.GetSubMeshContaining(exp.Current()); + ASSERT(aSubMesh); + meshFaces.push_back(aSubMesh); + } + if (meshFaces.size() != 6) { + //return error(COMPERR_BAD_SHAPE, TComm(meshFaces.size())<<" instead of 6 faces in a block"); + static StdMeshers_CompositeHexa_3D compositeHexa(-10, 0, aMesh.GetGen()); + return compositeHexa.Evaluate(aMesh, aShape, aResMap); + } + + int i = 0; + for(; i<6; i++) { + //TopoDS_Shape aFace = meshFaces[i]->GetSubShape(); + TopoDS_Shape aFace = aFaces.Value(i+1); + SMESH_Algo *algo = _gen->GetAlgo(aMesh, aFace); + if( !algo ) { + std::vector aResVec(SMDSEntity_Last); + for(int i=SMDSEntity_Node; iGetComputeError(); + smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,"Submesh can not be evaluated",this)); + return false; + } + string algoName = algo->GetName(); + bool isAllQuad = false; + if (algoName == "Quadrangle_2D") { + MapShapeNbElemsItr anIt = aResMap.find(meshFaces[i]); + if( anIt == aResMap.end() ) continue; + std::vector aVec = (*anIt).second; + int nbtri = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]); + if( nbtri == 0 ) + isAllQuad = true; + } + if ( ! isAllQuad ) { + return EvaluatePentahedralMesh(aMesh, aShape, aResMap); + } + } + + // find number of 1d elems for 1 face + int nb1d = 0; + TopTools_MapOfShape Edges1; + bool IsQuadratic = false; + bool IsFirst = true; + for (TopExp_Explorer exp(aFaces.Value(1), TopAbs_EDGE); exp.More(); exp.Next()) { + Edges1.Add(exp.Current()); + SMESH_subMesh *sm = aMesh.GetSubMesh(exp.Current()); + if( sm ) { + MapShapeNbElemsItr anIt = aResMap.find(sm); + if( anIt == aResMap.end() ) continue; + std::vector aVec = (*anIt).second; + nb1d += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]); + if(IsFirst) { + IsQuadratic = (aVec[SMDSEntity_Quad_Edge] > aVec[SMDSEntity_Edge]); + IsFirst = false; + } + } + } + // find face opposite to 1 face + int OppNum = 0; + for(i=2; i<=6; i++) { + bool IsOpposite = true; + for(TopExp_Explorer exp(aFaces.Value(i), TopAbs_EDGE); exp.More(); exp.Next()) { + if( Edges1.Contains(exp.Current()) ) { + IsOpposite = false; + break; + } + } + if(IsOpposite) { + OppNum = i; + break; + } + } + // find number of 2d elems on side faces + int nb2d = 0; + for(i=2; i<=6; i++) { + if( i == OppNum ) continue; + MapShapeNbElemsItr anIt = aResMap.find( meshFaces[i-1] ); + if( anIt == aResMap.end() ) continue; + std::vector aVec = (*anIt).second; + nb2d += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]); + } + + MapShapeNbElemsItr anIt = aResMap.find( meshFaces[0] ); + std::vector aVec = (*anIt).second; + int nb2d_face0 = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]); + int nb0d_face0 = aVec[SMDSEntity_Node]; + + std::vector aResVec(SMDSEntity_Last); + for(int i=SMDSEntity_Node; iGetANewId(), 0, gen ); + } + algo->InitComputeError(); + algo->Compute( aMesh, aHelper ); + return error( algo->GetComputeError()); } //============================================================================= /*! - * + * */ //============================================================================= -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) +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) { -// 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); + 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) { - return save; + //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; + } + } + //IPAL21120 ASSERT(faceIndex > 0); + //SCRUTE(faceIndex); + return faceIndex; } //============================================================================= @@ -1017,9 +945,47 @@ ostream & StdMeshers_Hexa_3D::SaveTo(ostream & save) */ //============================================================================= -istream & StdMeshers_Hexa_3D::LoadFrom(istream & load) +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) { - return load; + //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; } //============================================================================= @@ -1028,20 +994,172 @@ istream & StdMeshers_Hexa_3D::LoadFrom(istream & load) */ //============================================================================= -ostream & operator <<(ostream & save, StdMeshers_Hexa_3D & hyp) +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) { - return hyp.SaveTo( save ); +// 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; +// } + VA = quad.side[0]->FirstVertex(); + VB = quad.side[0]->LastVertex(); + + 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.side[0]->NbPoints(); + int nbright = quad.side[1]->NbPoints(); + 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); } -//============================================================================= +//================================================================================ /*! - * + * \brief Find a vertex opposite to the given vertex of aQuads[0] + * \param aVertex - the vertex + * \param aFace - the face aVertex belongs to + * \param aQuads - quads + * \retval TopoDS_Vertex - found vertex */ -//============================================================================= +//================================================================================ -istream & operator >>(istream & load, StdMeshers_Hexa_3D & hyp) +TopoDS_Vertex StdMeshers_Hexa_3D::OppositeVertex(const TopoDS_Vertex& aVertex, + const TopTools_IndexedMapOfShape& aQuads0Vertices, + FaceQuadStruct* aQuads[6]) { - return hyp.LoadFrom( load ); + int i, j; + for ( i = 1; i < 6; ++i ) + { + TopoDS_Vertex VV[] = { aQuads[i]->side[0]->FirstVertex(), + aQuads[i]->side[0]->LastVertex() , + aQuads[i]->side[2]->LastVertex() , + aQuads[i]->side[2]->FirstVertex() }; + for ( j = 0; j < 4; ++j ) + if ( aVertex.IsSame( VV[ j ])) + break; + if ( j < 4 ) { + int jPrev = j ? j - 1 : 3; + int jNext = (j + 1) % 4; + if ( aQuads0Vertices.Contains( VV[ jPrev ] )) + return VV[ jNext ]; + else + return VV[ jPrev ]; + } + } + return TopoDS_Vertex(); } //modified by NIZNHY-PKV Wed Nov 17 15:34:13 2004 f @@ -1053,25 +1171,66 @@ istream & operator >>(istream & load, StdMeshers_Hexa_3D & hyp) //function : ComputePentahedralMesh //purpose : //======================================================================= -bool ComputePentahedralMesh(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape) + +SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh & aMesh, + const TopoDS_Shape & aShape) { //printf(" ComputePentahedralMesh HERE\n"); // bool bOK; - int iErr; + SMESH_ComputeErrorPtr err = SMESH_ComputeError::New(); + //int iErr; StdMeshers_Penta_3D anAlgo; // bOK=anAlgo.Compute(aMesh, aShape); - /* - iErr=anAlgo.ErrorStatus(); - - if (iErr) { - printf(" *** Error# %d\n", iErr); + // + err = anAlgo.GetComputeError(); + // + if ( !bOK && anAlgo.ErrorStatus() == 5 ) + { + static StdMeshers_Prism_3D * aPrism3D = 0; + if ( !aPrism3D ) { + SMESH_Gen* gen = aMesh.GetGen(); + aPrism3D = new StdMeshers_Prism_3D( gen->GetANewId(), 0, gen ); + } + SMESH_Hypothesis::Hypothesis_Status aStatus; + if ( aPrism3D->CheckHypothesis( aMesh, aShape, aStatus ) ) { + aPrism3D->InitComputeError(); + bOK = aPrism3D->Compute( aMesh, aShape ); + err = aPrism3D->GetComputeError(); + } } - else { - printf(" *** No errors# %d\n", iErr); + return err; +} + + +//======================================================================= +//function : EvaluatePentahedralMesh +//purpose : +//======================================================================= + +bool EvaluatePentahedralMesh(SMESH_Mesh & aMesh, + const TopoDS_Shape & aShape, + MapShapeNbElems& aResMap) +{ + StdMeshers_Penta_3D anAlgo; + bool bOK = anAlgo.Evaluate(aMesh, aShape, aResMap); + + //err = anAlgo.GetComputeError(); + //if ( !bOK && anAlgo.ErrorStatus() == 5 ) + if( !bOK ) { + static StdMeshers_Prism_3D * aPrism3D = 0; + if ( !aPrism3D ) { + SMESH_Gen* gen = aMesh.GetGen(); + aPrism3D = new StdMeshers_Prism_3D( gen->GetANewId(), 0, gen ); + } + SMESH_Hypothesis::Hypothesis_Status aStatus; + if ( aPrism3D->CheckHypothesis( aMesh, aShape, aStatus ) ) { + return aPrism3D->Evaluate(aMesh, aShape, aResMap); + } } - */ + return bOK; } +