-// SMESH SMESH : implementaion of SMESH idl descriptions
+// Copyright (C) 2007-2008 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 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.salome-platform.org/ or email : webmaster.salome@opencascade.com
+// 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.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
-// $Header$
-
+//
#include "StdMeshers_Hexa_3D.hxx"
-#include "StdMeshers_Quadrangle_2D.hxx"
+#include "StdMeshers_CompositeHexa_3D.hxx"
#include "StdMeshers_FaceSide.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 <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <TopTools_ListIteratorOfListOfShape.hxx>
#include <TopTools_ListOfShape.hxx>
+#include <TopTools_SequenceOfShape.hxx>
+#include <TopTools_MapOfShape.hxx>
#include <TopoDS.hxx>
#include <gp_Pnt2d.hxx>
using namespace std;
-static SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh &, const TopoDS_Shape &);
+static SMESH_ComputeErrorPtr ComputePentahedralMesh(SMESH_Mesh &,
+ const TopoDS_Shape &);
+
+static bool EvaluatePentahedralMesh(SMESH_Mesh &, const TopoDS_Shape &,
+ MapShapeNbElems &);
//=============================================================================
/*!
return true;
}
+//=======================================================================
+//function : isCloser
+//purpose :
+//=======================================================================
+
+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;
+}
+
//=======================================================================
//function : findIJ
//purpose : return i,j of the node
static bool findIJ (const SMDS_MeshNode* node, const FaceQuadStruct * quad, int& I, int& J)
{
- I = J = 0;
const SMDS_FacePosition* fpos =
static_cast<const SMDS_FacePosition*>(node->GetPosition().get());
if ( ! fpos ) return false;
gp_Pnt2d uv( fpos->GetUParameter(), fpos->GetVParameter() );
double minDist = DBL_MAX;
- int nbhoriz = Min(quad->side[0]->NbPoints(), quad->side[2]->NbPoints());
- int nbvertic = Min(quad->side[1]->NbPoints(), quad->side[3]->NbPoints());
- 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;
}
//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
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");
+ 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)
// 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);
+// 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);
+ //const TopoDS_Face & F = TopoDS::Face(aFace);
// 1.3 - identify the 4 vertices of the face Y=0: V000, V100, V101, V001
aCube.V101 = aQuads[0]->side[2]->LastVertex(); // will be (1,0,1) on the unit cube
TopTools_IndexedMapOfShape MV0;
- TopExp::MapShapes(F, TopAbs_VERTEX, MV0);
+ TopExp::MapShapes(aFace, TopAbs_VERTEX, MV0);
aCube.V010 = OppositeVertex( aCube.V000, MV0, aQuads);
aCube.V110 = OppositeVertex( aCube.V100, MV0, aQuads);
// 1.6 - find remaining faces given 4 vertices
int _indY0 = 0;
- aCube.quad_Y0 = aQuads[_indY0];
-
int _indY1 = GetFaceIndex(aMesh, aShape, meshFaces,
aCube.V010, aCube.V011, aCube.V110, aCube.V111);
- aCube.quad_Y1 = aQuads[_indY1];
-
int _indZ0 = GetFaceIndex(aMesh, aShape, meshFaces,
aCube.V000, aCube.V010, aCube.V100, aCube.V110);
- aCube.quad_Z0 = aQuads[_indZ0];
-
int _indZ1 = GetFaceIndex(aMesh, aShape, meshFaces,
aCube.V001, aCube.V011, aCube.V101, aCube.V111);
- aCube.quad_Z1 = aQuads[_indZ1];
-
int _indX0 = GetFaceIndex(aMesh, aShape, meshFaces,
aCube.V000, aCube.V001, aCube.V010, aCube.V011);
- aCube.quad_X0 = aQuads[_indX0];
-
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
return ClearAndReturn( aQuads, true );
}
+
+//=============================================================================
+/*!
+ * Evaluate
+ */
+//=============================================================================
+
+bool StdMeshers_Hexa_3D::Evaluate(SMESH_Mesh & aMesh,
+ const TopoDS_Shape & aShape,
+ MapShapeNbElems& aResMap)
+{
+ 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<int> aResVec(SMDSEntity_Last);
+ for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
+ SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
+ aResMap.insert(std::make_pair(sm,aResVec));
+ SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
+ 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<int> 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<int> 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<int> aVec = (*anIt).second;
+ nb2d += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
+ }
+
+ MapShapeNbElemsItr anIt = aResMap.find( meshFaces[0] );
+ std::vector<int> aVec = (*anIt).second;
+ int nb2d_face0 = Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
+ int nb0d_face0 = aVec[SMDSEntity_Node];
+
+ std::vector<int> aResVec(SMDSEntity_Last);
+ for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aResVec[i] = 0;
+ if(IsQuadratic) {
+ aResVec[SMDSEntity_Quad_Hexa] = nb2d_face0 * ( nb2d/nb1d );
+ int nb1d_face0_int = ( nb2d_face0*4 - nb1d ) / 2;
+ aResVec[SMDSEntity_Node] = nb0d_face0 * ( 2*nb2d/nb1d - 1 ) - nb1d_face0_int * nb2d/nb1d;
+ }
+ else {
+ aResVec[SMDSEntity_Node] = nb0d_face0 * ( nb2d/nb1d - 1 );
+ aResVec[SMDSEntity_Hexa] = nb2d_face0 * ( nb2d/nb1d );
+ }
+ SMESH_subMesh * sm = aMesh.GetSubMesh(aShape);
+ aResMap.insert(std::make_pair(sm,aResVec));
+
+ return true;
+}
+
+
//=============================================================================
/*!
*
break;
}
}
- ASSERT(faceIndex > 0);
+ //IPAL21120 ASSERT(faceIndex > 0);
//SCRUTE(faceIndex);
return faceIndex;
}
}
SMESH_Hypothesis::Hypothesis_Status aStatus;
if ( aPrism3D->CheckHypothesis( aMesh, aShape, aStatus ) ) {
+ aPrism3D->InitComputeError();
bOK = aPrism3D->Compute( aMesh, aShape );
err = aPrism3D->GetComputeError();
}
}
+//=======================================================================
+//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;
+}
+
+
