X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FStdMeshers%2FStdMeshers_Hexa_3D.cxx;h=29f48f96e80b3f22016771ac100fb1443cda44fd;hp=1300bf9b11f6264da599946dce858a360d6ec515;hb=d4a710ce52f6e76786a7b3845e2f7975dc9a00b1;hpb=40b2818f18601091d81e0d9d749a3fd6808c31ce diff --git a/src/StdMeshers/StdMeshers_Hexa_3D.cxx b/src/StdMeshers/StdMeshers_Hexa_3D.cxx index 1300bf9b1..29f48f96e 100644 --- a/src/StdMeshers/StdMeshers_Hexa_3D.cxx +++ b/src/StdMeshers/StdMeshers_Hexa_3D.cxx @@ -1,24 +1,25 @@ -// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE +// Copyright (C) 2007-2012 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 +// 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. +// 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. +// 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 +// 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 +// 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 @@ -26,32 +27,28 @@ // Module : SMESH // #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 "StdMeshers_ViscousLayers.hxx" +#include "SMESH_Comment.hxx" #include "SMESH_Gen.hxx" #include "SMESH_Mesh.hxx" +#include "SMESH_MesherHelper.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 "utilities.h" #include "Utils_ExceptHandlers.hxx" @@ -61,14 +58,15 @@ typedef SMESH_Comment TComm; using namespace std; static SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh &, - const TopoDS_Shape &); + const TopoDS_Shape &, + SMESH_ProxyMesh* proxyMesh=0); static bool EvaluatePentahedralMesh(SMESH_Mesh &, const TopoDS_Shape &, - MapShapeNbElems &); + MapShapeNbElems &); //============================================================================= /*! - * + * Constructor */ //============================================================================= @@ -77,12 +75,14 @@ StdMeshers_Hexa_3D::StdMeshers_Hexa_3D(int hypId, int studyId, SMESH_Gen * gen) { MESSAGE("StdMeshers_Hexa_3D::StdMeshers_Hexa_3D"); _name = "Hexa_3D"; - _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit /shape type + _shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID); // 1 bit /shape type + _requireShape = false; + _compatibleHypothesis.push_back("ViscousLayers"); } //============================================================================= /*! - * + * Destructor */ //============================================================================= @@ -91,27 +91,9 @@ 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; -} - - //============================================================================= /*! - * + * Retrieves defined hypotheses */ //============================================================================= @@ -130,82 +112,181 @@ bool StdMeshers_Hexa_3D::CheckHypothesis if ( nbFaces != 6 ) return false; */ - aStatus = SMESH_Hypothesis::HYP_OK; - return true; -} -//======================================================================= -//function : isCloser -//purpose : -//======================================================================= + _viscousLayersHyp = NULL; -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; + const list& hyps = + GetUsedHypothesis(aMesh, aShape, /*ignoreAuxiliary=*/false); + list ::const_iterator h = hyps.begin(); + if ( h == hyps.end()) + { + aStatus = SMESH_Hypothesis::HYP_OK; return true; } - return false; -} -//======================================================================= -//function : findIJ -//purpose : return i,j of the node -//======================================================================= + aStatus = HYP_OK; + for ( ; h != hyps.end(); ++h ) + { + string hypName = (*h)->GetName(); + if ( find( _compatibleHypothesis.begin(),_compatibleHypothesis.end(),hypName ) + != _compatibleHypothesis.end() ) + { + _viscousLayersHyp = dynamic_cast< const StdMeshers_ViscousLayers*> ( *h ); + } + else + { + aStatus = HYP_INCOMPATIBLE; + } + } -static bool findIJ (const SMDS_MeshNode* node, const FaceQuadStruct * quad, int& I, int& J) + if ( !_viscousLayersHyp ) + aStatus = HYP_INCOMPATIBLE; + + return aStatus == HYP_OK; +} + +namespace { - const SMDS_FacePosition* fpos = - static_cast(node->GetPosition().get()); - if ( ! fpos ) return false; - gp_Pnt2d uv( fpos->GetUParameter(), fpos->GetVParameter() ); - - double minDist = DBL_MAX; - 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; + typedef boost::shared_ptr< FaceQuadStruct > FaceQuadStructPtr; - } while ( I != oldI || J != oldJ ); + // symbolic names of box sides + enum EBoxSides{ B_BOTTOM=0, B_RIGHT, B_TOP, B_LEFT, B_FRONT, B_BACK, B_NB_SIDES }; - 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; + // symbolic names of sides of quadrangle + enum EQuadSides{ Q_BOTTOM=0, Q_RIGHT, Q_TOP, Q_LEFT, Q_NB_SIDES }; + + //============================================================================= + /*! + * \brief Container of nodes of structured mesh on a qudrangular geom FACE + */ + struct _FaceGrid + { + // face sides + FaceQuadStructPtr _quad; + + // map of (node parameter on EDGE) to (column (vector) of nodes) + TParam2ColumnMap _u2nodesMap; + + // node column's taken form _u2nodesMap taking into account sub-shape orientation + vector _columns; + + // geometry of a cube side + TopoDS_Face _sideF; + + const SMDS_MeshNode* GetNode(int iCol, int iRow) const + { + return _columns[iCol][iRow]; + } + gp_XYZ GetXYZ(int iCol, int iRow) const + { + return SMESH_TNodeXYZ( GetNode( iCol, iRow )); + } + }; + + //================================================================================ + /*! + * \brief Convertor of a pair of integers to a sole index + */ + struct _Indexer + { + int _xSize, _ySize; + _Indexer( int xSize, int ySize ): _xSize(xSize), _ySize(ySize) {} + int size() const { return _xSize * _ySize; } + int operator()(const int x, const int y) const { return y * _xSize + x; } + }; + + //================================================================================ + /*! + * \brief Appends a range of node columns from a map to another map + */ + template< class TMapIterator > + void append( TParam2ColumnMap& toMap, TMapIterator from, TMapIterator to ) + { + const SMDS_MeshNode* lastNode = toMap.rbegin()->second[0]; + const SMDS_MeshNode* firstNode = from->second[0]; + if ( lastNode == firstNode ) + from++; + double u = toMap.rbegin()->first; + for (; from != to; ++from ) + { + u += 1; + TParam2ColumnMap::iterator u2nn = toMap.insert( toMap.end(), make_pair ( u, TNodeColumn())); + u2nn->second.swap( from->second ); + } } - return true; -} + //================================================================================ + /*! + * \brief Finds FaceQuadStruct having a side equal to a given one and rearranges + * the found FaceQuadStruct::side to have the given side at a Q_BOTTOM place + */ + FaceQuadStructPtr getQuadWithBottom( StdMeshers_FaceSide* side, + FaceQuadStructPtr quad[ 6 ]) + { + FaceQuadStructPtr foundQuad; + for ( int i = 1; i < 6; ++i ) + { + if ( !quad[i] ) continue; + for ( unsigned iS = 0; iS < quad[i]->side.size(); ++iS ) + { + const StdMeshers_FaceSide* side2 = quad[i]->side[iS]; + if (( side->FirstVertex().IsSame( side2->FirstVertex() ) || + side->FirstVertex().IsSame( side2->LastVertex() )) + && + ( side->LastVertex().IsSame( side2->FirstVertex() ) || + side->LastVertex().IsSame( side2->LastVertex() )) + ) + { + if ( iS != Q_BOTTOM ) + { + vector< StdMeshers_FaceSide*> newSides; + for ( unsigned j = iS; j < quad[i]->side.size(); ++j ) + newSides.push_back( quad[i]->side[j] ); + for ( unsigned j = 0; j < iS; ++j ) + newSides.push_back( quad[i]->side[j] ); + quad[i]->side.swap( newSides ); + } + foundQuad.swap(quad[i]); + return foundQuad; + } + } + } + return foundQuad; + } + //================================================================================ + /*! + * \brief Returns true if the 1st base node of sideGrid1 belongs to sideGrid2 + */ + //================================================================================ + + bool beginsAtSide( const _FaceGrid& sideGrid1, + const _FaceGrid& sideGrid2, + SMESH_ProxyMesh::Ptr proxymesh ) + { + const TNodeColumn& col0 = sideGrid2._u2nodesMap.begin()->second; + const TNodeColumn& col1 = sideGrid2._u2nodesMap.rbegin()->second; + const SMDS_MeshNode* n00 = col0.front(); + const SMDS_MeshNode* n01 = col0.back(); + const SMDS_MeshNode* n10 = col1.front(); + const SMDS_MeshNode* n11 = col1.back(); + const SMDS_MeshNode* n = (sideGrid1._u2nodesMap.begin()->second)[0]; + if ( proxymesh ) + { + n00 = proxymesh->GetProxyNode( n00 ); + n10 = proxymesh->GetProxyNode( n10 ); + n01 = proxymesh->GetProxyNode( n01 ); + n11 = proxymesh->GetProxyNode( n11 ); + n = proxymesh->GetProxyNode( n ); + } + return ( n == n00 || n == n01 || n == n10 || n == n11 ); + } +} //============================================================================= /*! - * Hexahedron mesh on hexaedron like form - * -0. - shape and face mesh verification - * -1. - identify faces and vertices of the "cube" - * -2. - Algorithm from: + * Generates hexahedron mesh on hexaedron like form using 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." @@ -221,528 +302,315 @@ bool StdMeshers_Hexa_3D::Compute(SMESH_Mesh & aMesh, 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 + // Shape verification + // ---------------------- - 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()); + // shape must be a solid (or a shell) with 6 faces + TopExp_Explorer exp(aShape,TopAbs_SHELL); + if ( !exp.More() ) + return error(COMPERR_BAD_SHAPE, "No SHELL in the geometry"); + if ( exp.Next(), exp.More() ) + return error(COMPERR_BAD_SHAPE, "More than one SHELL in the geometry"); + + TopTools_IndexedMapOfShape FF; + TopExp::MapShapes( aShape, TopAbs_FACE, FF); + if ( FF.Extent() != 6) + { + static StdMeshers_CompositeHexa_3D compositeHexa(_gen->GetANewId(), 0, _gen); 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++) + // Find sides of a cube + // --------------------- + + FaceQuadStructPtr quad[ 6 ]; + StdMeshers_Quadrangle_2D quadAlgo( _gen->GetANewId(), GetStudyId(), _gen); + 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)); - } + if ( !( quad[i] = FaceQuadStructPtr( quadAlgo.CheckNbEdges( aMesh, FF( i+1 ))))) + return error( quadAlgo.GetComputeError() ); + if ( quad[i]->side.size() != 4 ) + return error( COMPERR_BAD_SHAPE, "Not a quadrangular box side" ); } - // 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 = aCube.quad_X0->side[0]->NbPoints(); - if (cx0.a1 == 0.) nby = aCube.quad_X0->side[1]->NbPoints(); - - int nbz = aCube.quad_Y0->side[0]->NbPoints(); - if (cy0.a1 != 0.) nbz = aCube.quad_Y0->side[1]->NbPoints(); + _FaceGrid aCubeSide[ 6 ]; - int i1, j1, nbxyz = nbx * nby * nbz; - Point3DStruct *np = new Point3DStruct[nbxyz]; + swap( aCubeSide[B_BOTTOM]._quad, quad[0] ); + swap( aCubeSide[B_BOTTOM]._quad->side[ Q_RIGHT],// direct the normal of bottom quad inside cube + aCubeSide[B_BOTTOM]._quad->side[ Q_LEFT ] ); - // 1.9 - store node indexes of faces + aCubeSide[B_FRONT]._quad = getQuadWithBottom( aCubeSide[B_BOTTOM]._quad->side[Q_BOTTOM], quad ); + aCubeSide[B_RIGHT]._quad = getQuadWithBottom( aCubeSide[B_BOTTOM]._quad->side[Q_RIGHT ], quad ); + aCubeSide[B_BACK ]._quad = getQuadWithBottom( aCubeSide[B_BOTTOM]._quad->side[Q_TOP ], quad ); + aCubeSide[B_LEFT ]._quad = getQuadWithBottom( aCubeSide[B_BOTTOM]._quad->side[Q_LEFT ], quad ); + if ( aCubeSide[B_FRONT ]._quad ) + aCubeSide[B_TOP]._quad = getQuadWithBottom( aCubeSide[B_FRONT ]._quad->side[Q_TOP ], quad ); - { - 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 i = 1; i < 6; ++i ) + if ( !aCubeSide[i]._quad ) + return error( COMPERR_BAD_SHAPE ); - 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); - } - } + // Make viscous layers + // -------------------- + SMESH_ProxyMesh::Ptr proxymesh; + if ( _viscousLayersHyp ) { - const TopoDS_Face & F = TopoDS::Face(meshFaces[_indX1]->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); - } + proxymesh = _viscousLayersHyp->Compute( aMesh, aShape, /*makeN2NMap=*/ true ); + if ( !proxymesh ) + return false; } - { - 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; - } + // Check if there are triangles on cube sides + // ------------------------------------------- - 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); + if ( aMesh.NbTriangles() > 0 ) + { + for ( int i = 0; i < 6; ++i ) + { + const TopoDS_Face& sideF = aCubeSide[i]._quad->face; + if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( sideF )) + { + bool isAllQuad = true; + SMDS_ElemIteratorPtr fIt = smDS->GetElements(); + while ( fIt->more() && isAllQuad ) + { + const SMDS_MeshElement* f = fIt->next(); + isAllQuad = ( f->NbCornerNodes() == 4 ); + } + if ( !isAllQuad ) + { + SMESH_ComputeErrorPtr err = ComputePentahedralMesh(aMesh, aShape, proxymesh.get()); + return error( err ); + } } + } } - { - 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; - } + // Check presence of regular grid mesh on FACEs of the cube + // ------------------------------------------------------------ - 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); - } - } + // tool creating quadratic elements if needed + SMESH_MesherHelper helper (aMesh); + _quadraticMesh = helper.IsQuadraticSubMesh(aShape); + for ( int i = 0; i < 6; ++i ) { - 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; + const TopoDS_Face& F = aCubeSide[i]._quad->face; + StdMeshers_FaceSide* baseQuadSide = aCubeSide[i]._quad->side[ Q_BOTTOM ]; + list baseEdges( baseQuadSide->Edges().begin(), baseQuadSide->Edges().end() ); + + // assure correctness of node positions on baseE: + // helper.GetNodeU() will fix positions if they are wrong + for ( int iE = 0; iE < baseQuadSide->NbEdges(); ++iE ) + { + const TopoDS_Edge& baseE = baseQuadSide->Edge( iE ); + if ( SMESHDS_SubMesh* smDS = meshDS->MeshElements( baseE )) + { + bool ok; + helper.SetSubShape( baseE ); + SMDS_ElemIteratorPtr eIt = smDS->GetElements(); + while ( eIt->more() ) + { + const SMDS_MeshElement* e = eIt->next(); + // expect problems on a composite side + try { helper.GetNodeU( baseE, e->GetNode(0), e->GetNode(1), &ok); } + catch (...) {} + try { helper.GetNodeU( baseE, e->GetNode(1), e->GetNode(0), &ok); } + catch (...) {} + } + } } - 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); - } + // load grid + bool ok = + helper.LoadNodeColumns( aCubeSide[i]._u2nodesMap, F, baseEdges, meshDS, proxymesh.get()); + if ( ok ) + { + // check if the loaded grid corresponds to nb of quadrangles on the FACE + const SMESHDS_SubMesh* faceSubMesh = + proxymesh ? proxymesh->GetSubMesh( F ) : meshDS->MeshElements( F ); + const int nbQuads = faceSubMesh->NbElements(); + const int nbHor = aCubeSide[i]._u2nodesMap.size() - 1; + const int nbVer = aCubeSide[i]._u2nodesMap.begin()->second.size() - 1; + ok = ( nbQuads == nbHor * nbVer ); + } + if ( !ok ) + { + SMESH_ComputeErrorPtr err = ComputePentahedralMesh(aMesh, aShape, proxymesh.get()); + return error( err ); + } } + // Orient loaded grids of cube sides along axis of the unitary cube coord system + bool isReverse[6]; + isReverse[B_BOTTOM] = beginsAtSide( aCubeSide[B_BOTTOM], aCubeSide[B_RIGHT ], proxymesh ); + isReverse[B_TOP ] = beginsAtSide( aCubeSide[B_TOP ], aCubeSide[B_RIGHT ], proxymesh ); + isReverse[B_FRONT ] = beginsAtSide( aCubeSide[B_FRONT ], aCubeSide[B_RIGHT ], proxymesh ); + isReverse[B_BACK ] = beginsAtSide( aCubeSide[B_BACK ], aCubeSide[B_RIGHT ], proxymesh ); + isReverse[B_LEFT ] = beginsAtSide( aCubeSide[B_LEFT ], aCubeSide[B_BACK ], proxymesh ); + isReverse[B_RIGHT ] = beginsAtSide( aCubeSide[B_RIGHT ], aCubeSide[B_BACK ], proxymesh ); + for ( int i = 0; i < 6; ++i ) { - 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; - } + aCubeSide[i]._columns.resize( aCubeSide[i]._u2nodesMap.size() ); - 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); - } - } + int iFwd = 0, iRev = aCubeSide[i]._columns.size()-1; + int* pi = isReverse[i] ? &iRev : &iFwd; + TParam2ColumnMap::iterator u2nn = aCubeSide[i]._u2nodesMap.begin(); + for ( ; iFwd < aCubeSide[i]._columns.size(); --iRev, ++iFwd, ++u2nn ) + aCubeSide[i]._columns[ *pi ].swap( u2nn->second ); - // 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])); + aCubeSide[i]._u2nodesMap.clear(); + } + + if ( proxymesh ) + for ( int i = 0; i < 6; ++i ) + for ( unsigned j = 0; j < aCubeSide[i]._columns.size(); ++j) + for ( unsigned k = 0; k < aCubeSide[i]._columns[j].size(); ++k) + { + const SMDS_MeshNode* & n = aCubeSide[i]._columns[j][k]; + n = proxymesh->GetProxyNode( n ); } - SMDS_MeshNode * node = meshDS->AddNode(X[0], X[1], X[2]); - np[ijk].node = node; - meshDS->SetNodeInVolume(node, shapeID); - } + // 4) Create internal nodes of the cube + // ------------------------------------- + + helper.SetSubShape( aShape ); + helper.SetElementsOnShape(true); + + // shortcuts to sides + _FaceGrid* fBottom = & aCubeSide[ B_BOTTOM ]; + _FaceGrid* fRight = & aCubeSide[ B_RIGHT ]; + _FaceGrid* fTop = & aCubeSide[ B_TOP ]; + _FaceGrid* fLeft = & aCubeSide[ B_LEFT ]; + _FaceGrid* fFront = & aCubeSide[ B_FRONT ]; + _FaceGrid* fBack = & aCubeSide[ B_BACK ]; + + // cube size measured in nb of nodes + int x, xSize = fBottom->_columns.size() , X = xSize - 1; + int y, ySize = fLeft->_columns.size() , Y = ySize - 1; + int z, zSize = fLeft->_columns[0].size(), Z = zSize - 1; + + // columns of internal nodes "rising" from nodes of fBottom + _Indexer colIndex( xSize, ySize ); + vector< vector< const SMDS_MeshNode* > > columns( colIndex.size() ); + + // fill node columns by front and back box sides + for ( x = 0; x < xSize; ++x ) { + vector< const SMDS_MeshNode* >& column0 = columns[ colIndex( x, 0 )]; + vector< const SMDS_MeshNode* >& column1 = columns[ colIndex( x, Y )]; + column0.resize( zSize ); + column1.resize( zSize ); + for ( z = 0; z < zSize; ++z ) { + column0[ z ] = fFront->GetNode( x, z ); + column1[ z ] = fBack ->GetNode( x, z ); + } + } + // fill node columns by left and right box sides + for ( y = 1; y < ySize-1; ++y ) { + vector< const SMDS_MeshNode* >& column0 = columns[ colIndex( 0, y )]; + vector< const SMDS_MeshNode* >& column1 = columns[ colIndex( X, y )]; + column0.resize( zSize ); + column1.resize( zSize ); + for ( z = 0; z < zSize; ++z ) { + column0[ z ] = fLeft ->GetNode( y, z ); + column1[ z ] = fRight->GetNode( y, z ); + } + } + // get nodes from top and bottom box sides + for ( x = 1; x < xSize-1; ++x ) { + for ( y = 1; y < ySize-1; ++y ) { + vector< const SMDS_MeshNode* >& column = columns[ colIndex( x, y )]; + column.resize( zSize ); + column.front() = fBottom->GetNode( x, y ); + column.back() = fTop ->GetNode( x, y ); } } - // 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(); + // projection points of the internal node on cube sub-shapes by which + // coordinates of the internal node are computed + vector pointsOnShapes( SMESH_Block::ID_Shell ); + + // projections on vertices are constant + pointsOnShapes[ SMESH_Block::ID_V000 ] = fBottom->GetXYZ( 0, 0 ); + pointsOnShapes[ SMESH_Block::ID_V100 ] = fBottom->GetXYZ( X, 0 ); + pointsOnShapes[ SMESH_Block::ID_V010 ] = fBottom->GetXYZ( 0, Y ); + pointsOnShapes[ SMESH_Block::ID_V110 ] = fBottom->GetXYZ( X, Y ); + pointsOnShapes[ SMESH_Block::ID_V001 ] = fTop->GetXYZ( 0, 0 ); + pointsOnShapes[ SMESH_Block::ID_V101 ] = fTop->GetXYZ( X, 0 ); + pointsOnShapes[ SMESH_Block::ID_V011 ] = fTop->GetXYZ( 0, Y ); + pointsOnShapes[ SMESH_Block::ID_V111 ] = fTop->GetXYZ( X, Y ); + + for ( x = 1; x < xSize-1; ++x ) + { + gp_XYZ params; // normalized parameters of internal node within a unit box + params.SetCoord( 1, x / double(X) ); + for ( y = 1; y < ySize-1; ++y ) + { + params.SetCoord( 2, y / double(Y) ); + // a column to fill in during z loop + vector< const SMDS_MeshNode* >& column = columns[ colIndex( x, y )]; + // projection points on horizontal edges + pointsOnShapes[ SMESH_Block::ID_Ex00 ] = fBottom->GetXYZ( x, 0 ); + pointsOnShapes[ SMESH_Block::ID_Ex10 ] = fBottom->GetXYZ( x, Y ); + pointsOnShapes[ SMESH_Block::ID_E0y0 ] = fBottom->GetXYZ( 0, y ); + pointsOnShapes[ SMESH_Block::ID_E1y0 ] = fBottom->GetXYZ( X, y ); + pointsOnShapes[ SMESH_Block::ID_Ex01 ] = fTop->GetXYZ( x, 0 ); + pointsOnShapes[ SMESH_Block::ID_Ex11 ] = fTop->GetXYZ( x, Y ); + pointsOnShapes[ SMESH_Block::ID_E0y1 ] = fTop->GetXYZ( 0, y ); + pointsOnShapes[ SMESH_Block::ID_E1y1 ] = fTop->GetXYZ( X, y ); + // projection points on horizontal faces + pointsOnShapes[ SMESH_Block::ID_Fxy0 ] = fBottom->GetXYZ( x, y ); + pointsOnShapes[ SMESH_Block::ID_Fxy1 ] = fTop ->GetXYZ( x, y ); + for ( z = 1; z < zSize-1; ++z ) // z loop + { + params.SetCoord( 3, z / double(Z) ); + // projection points on vertical edges + pointsOnShapes[ SMESH_Block::ID_E00z ] = fFront->GetXYZ( 0, z ); + pointsOnShapes[ SMESH_Block::ID_E10z ] = fFront->GetXYZ( X, z ); + pointsOnShapes[ SMESH_Block::ID_E01z ] = fBack->GetXYZ( 0, z ); + pointsOnShapes[ SMESH_Block::ID_E11z ] = fBack->GetXYZ( X, z ); + // projection points on vertical faces + pointsOnShapes[ SMESH_Block::ID_Fx0z ] = fFront->GetXYZ( x, z ); + pointsOnShapes[ SMESH_Block::ID_Fx1z ] = fBack ->GetXYZ( x, z ); + pointsOnShapes[ SMESH_Block::ID_F0yz ] = fLeft ->GetXYZ( y, z ); + pointsOnShapes[ SMESH_Block::ID_F1yz ] = fRight->GetXYZ( y, z ); + + // compute internal node coordinates + gp_XYZ coords; + SMESH_Block::ShellPoint( params, pointsOnShapes, coords ); + column[ z ] = helper.AddNode( coords.X(), coords.Y(), coords.Z() ); + + } } } - //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); + // side data no more needed, free memory + for ( int i = 0; i < 6; ++i ) + aCubeSide[i]._columns.clear(); + + // 5) Create hexahedrons + // --------------------- + + for ( x = 0; x < xSize-1; ++x ) { + for ( y = 0; y < ySize-1; ++y ) { + vector< const SMDS_MeshNode* >& col00 = columns[ colIndex( x, y )]; + vector< const SMDS_MeshNode* >& col10 = columns[ colIndex( x+1, y )]; + vector< const SMDS_MeshNode* >& col01 = columns[ colIndex( x, y+1 )]; + vector< const SMDS_MeshNode* >& col11 = columns[ colIndex( x+1, y+1 )]; + for ( z = 0; z < zSize-1; ++z ) + { + // bottom face normal of a hexa mush point outside the volume + helper.AddVolume(col00[z], col01[z], col11[z], col10[z], + col00[z+1], col01[z+1], col11[z+1], col10[z+1]); } } } - if ( np ) delete [] np; - return ClearAndReturn( aQuads, true ); + return true; } - //============================================================================= /*! * Evaluate @@ -750,8 +618,8 @@ bool StdMeshers_Hexa_3D::Compute(SMESH_Mesh & aMesh, //============================================================================= bool StdMeshers_Hexa_3D::Evaluate(SMESH_Mesh & aMesh, - const TopoDS_Shape & aShape, - MapShapeNbElems& aResMap) + const TopoDS_Shape & aShape, + MapShapeNbElems& aResMap) { vector < SMESH_subMesh * >meshFaces; TopTools_SequenceOfShape aFaces; @@ -789,7 +657,7 @@ bool StdMeshers_Hexa_3D::Evaluate(SMESH_Mesh & aMesh, std::vector aVec = (*anIt).second; int nbtri = Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]); if( nbtri == 0 ) - isAllQuad = true; + isAllQuad = true; } if ( ! isAllQuad ) { return EvaluatePentahedralMesh(aMesh, aShape, aResMap); @@ -810,8 +678,8 @@ bool StdMeshers_Hexa_3D::Evaluate(SMESH_Mesh & aMesh, 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; + IsQuadratic = (aVec[SMDSEntity_Quad_Edge] > aVec[SMDSEntity_Edge]); + IsFirst = false; } } } @@ -821,8 +689,8 @@ bool StdMeshers_Hexa_3D::Evaluate(SMESH_Mesh & aMesh, bool IsOpposite = true; for(TopExp_Explorer exp(aFaces.Value(i), TopAbs_EDGE); exp.More(); exp.Next()) { if( Edges1.Contains(exp.Current()) ) { - IsOpposite = false; - break; + IsOpposite = false; + break; } } if(IsOpposite) { @@ -862,303 +730,41 @@ bool StdMeshers_Hexa_3D::Evaluate(SMESH_Mesh & aMesh, 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; - } - } - //IPAL21120 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; -// } - 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 + * \brief Computes hexahedral mesh from 2D mesh of block */ //================================================================================ -TopoDS_Vertex StdMeshers_Hexa_3D::OppositeVertex(const TopoDS_Vertex& aVertex, - const TopTools_IndexedMapOfShape& aQuads0Vertices, - FaceQuadStruct* aQuads[6]) +bool StdMeshers_Hexa_3D::Compute(SMESH_Mesh & aMesh, SMESH_MesherHelper* aHelper) { - 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 ]; - } + static StdMeshers_HexaFromSkin_3D * algo = 0; + if ( !algo ) { + SMESH_Gen* gen = aMesh.GetGen(); + algo = new StdMeshers_HexaFromSkin_3D( gen->GetANewId(), 0, gen ); } - return TopoDS_Vertex(); + algo->InitComputeError(); + algo->Compute( aMesh, aHelper ); + return error( algo->GetComputeError()); } -//modified by NIZNHY-PKV Wed Nov 17 15:34:13 2004 f -/////////////////////////////////////////////////////////////////////////////// -//ZZ -//#include - //======================================================================= //function : ComputePentahedralMesh //purpose : //======================================================================= -SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh & aMesh, - const TopoDS_Shape & aShape) +SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh & aMesh, + const TopoDS_Shape & aShape, + SMESH_ProxyMesh* proxyMesh) { - //printf(" ComputePentahedralMesh HERE\n"); - // - bool bOK; SMESH_ComputeErrorPtr err = SMESH_ComputeError::New(); - //int iErr; + if ( proxyMesh ) + { + err->myName = COMPERR_BAD_INPUT_MESH; + err->myComment = "Can't build pentahedral mesh on viscous layers"; + return err; + } + bool bOK; StdMeshers_Penta_3D anAlgo; // bOK=anAlgo.Compute(aMesh, aShape); @@ -1189,8 +795,8 @@ SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh & aMesh, //======================================================================= bool EvaluatePentahedralMesh(SMESH_Mesh & aMesh, - const TopoDS_Shape & aShape, - MapShapeNbElems& aResMap) + const TopoDS_Shape & aShape, + MapShapeNbElems& aResMap) { StdMeshers_Penta_3D anAlgo; bool bOK = anAlgo.Evaluate(aMesh, aShape, aResMap); @@ -1211,5 +817,3 @@ bool EvaluatePentahedralMesh(SMESH_Mesh & aMesh, return bOK; } - -