-// Copyright (C) 2005 CEA/DEN, EDF R&D, OPEN CASCADE, PRINCIPIA R&D
+// Copyright (C) 2004-2010 CEA/DEN, EDF R&D
//
-// 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
//
+
//=============================================================================
// File : GHS3DPlugin_GHS3D.cxx
// Created :
// Author : Edward AGAPOV, modified by Lioka RAZAFINDRAZAKA (CEA) 09/02/2007
// Project : SALOME
-// Copyright : CEA 2003
-// $Header$
//=============================================================================
-using namespace std;
-
+//
#include "GHS3DPlugin_GHS3D.hxx"
+#include "GHS3DPlugin_Hypothesis.hxx"
+
+
+#include <Basics_Utils.hxx>
+
#include "SMESH_Gen.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_Comment.hxx"
#include "SMESH_MesherHelper.hxx"
+#include "SMESH_MeshEditor.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
+#include "SMDS_FaceOfNodes.hxx"
+#include "SMDS_VolumeOfNodes.hxx"
+
+#include <StdMeshers_QuadToTriaAdaptor.hxx>
+#include <BRepAdaptor_Surface.hxx>
+#include <BRepBndLib.hxx>
+#include <BRepClass3d_SolidClassifier.hxx>
+#include <BRepTools.hxx>
+#include <BRep_Tool.hxx>
+#include <Bnd_Box.hxx>
+#include <GeomAPI_ProjectPointOnSurf.hxx>
+#include <OSD_File.hxx>
+#include <Precision.hxx>
+#include <Quantity_Parameter.hxx>
+#include <Standard_ProgramError.hxx>
+#include <Standard_ErrorHandler.hxx>
+#include <Standard_Failure.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
-#include <OSD_File.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+#include <TopTools_ListIteratorOfListOfShape.hxx>
+#include <TopoDS.hxx>
+//#include <BRepClass_FaceClassifier.hxx>
+#include <TopTools_MapOfShape.hxx>
+#include <BRepGProp.hxx>
+#include <GProp_GProps.hxx>
#include "utilities.h"
-#ifndef WIN32
+#ifdef WIN32
+#include <io.h>
+#else
#include <sys/sysinfo.h>
#endif
+using namespace std;
+
//#include <Standard_Stream.hxx>
-#include <BRepGProp.hxx>
-#include <BRepBndLib.hxx>
-#include <BRepClass_FaceClassifier.hxx>
-#include <BRepClass3d_SolidClassifier.hxx>
-#include <TopAbs.hxx>
-#include <Bnd_Box.hxx>
-#include <GProp_GProps.hxx>
-#include <Precision.hxx>
#define castToNode(n) static_cast<const SMDS_MeshNode *>( n );
#ifdef _DEBUG_
#define DUMP(txt) \
-// cout << txt
+// std::cout << txt
#else
#define DUMP(txt)
#endif
#include <fcntl.h>
}
+#define HOLE_ID -1
+
+typedef const list<const SMDS_MeshFace*> TTriaList;
+
+static void removeFile( const TCollection_AsciiString& fileName )
+{
+ try {
+ OSD_File( fileName ).Remove();
+ }
+ catch ( Standard_ProgramError ) {
+ MESSAGE("Can't remove file: " << fileName.ToCString() << " ; file does not exist or permission denied");
+ }
+}
+
//=============================================================================
/*!
*
_onlyUnaryInput = false; // Compute() will be called on a compound of solids
_iShape=0;
_nbShape=0;
+ _compatibleHypothesis.push_back("GHS3D_Parameters");
+ _requireShape = false; // can work without shape
}
//=============================================================================
*/
//=============================================================================
-bool GHS3DPlugin_GHS3D::CheckHypothesis ( SMESH_Mesh& aMesh,
- const TopoDS_Shape& aShape,
- SMESH_Hypothesis::Hypothesis_Status& aStatus )
+bool GHS3DPlugin_GHS3D::CheckHypothesis ( SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ Hypothesis_Status& aStatus )
{
-// MESSAGE("GHS3DPlugin_GHS3D::CheckHypothesis");
aStatus = SMESH_Hypothesis::HYP_OK;
+
+ // there is only one compatible Hypothesis so far
+ _hyp = 0;
+ _keepFiles = false;
+ const list <const SMESHDS_Hypothesis * >& hyps = GetUsedHypothesis(aMesh, aShape);
+ if ( !hyps.empty() )
+ _hyp = static_cast<const GHS3DPlugin_Hypothesis*> ( hyps.front() );
+ if ( _hyp )
+ _keepFiles = _hyp->GetKeepFiles();
+
return true;
}
TopoDS_Shape aShape,
const TopoDS_Shape shape[],
double** box,
- const int nShape) {
- double *pntCoor;
- int iShape, nbNode = 4;
-
- pntCoor = new double[3];
- for ( int i=0; i<3; i++ ) {
- pntCoor[i] = 0;
- for ( int j=0; j<nbNode; j++ ) {
- if ( i == 0) pntCoor[i] += aNode[j]->X();
- if ( i == 1) pntCoor[i] += aNode[j]->Y();
- if ( i == 2) pntCoor[i] += aNode[j]->Z();
+ const int nShape,
+ TopAbs_State * state = 0)
+{
+ gp_XYZ aPnt(0,0,0);
+ int j, iShape, nbNode = 4;
+
+ for ( j=0; j<nbNode; j++ ) {
+ gp_XYZ p ( aNode[j]->X(), aNode[j]->Y(), aNode[j]->Z() );
+ if ( aNode[j]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_3DSPACE ) {
+ aPnt = p;
+ break;
}
- pntCoor[i] /= nbNode;
+ aPnt += p / nbNode;
}
- gp_Pnt aPnt(pntCoor[0], pntCoor[1], pntCoor[2]);
BRepClass3d_SolidClassifier SC (aShape, aPnt, Precision::Confusion());
- if ( not(SC.State() == TopAbs_IN) ) {
+ if (state) *state = SC.State();
+ if ( SC.State() != TopAbs_IN || aShape.IsNull() || aShape.ShapeType() != TopAbs_SOLID) {
for (iShape = 0; iShape < nShape; iShape++) {
aShape = shape[iShape];
- if ( not( pntCoor[0] < box[iShape][0] || box[iShape][1] < pntCoor[0] ||
- pntCoor[1] < box[iShape][2] || box[iShape][3] < pntCoor[1] ||
- pntCoor[2] < box[iShape][4] || box[iShape][5] < pntCoor[2]) ) {
+ if ( !( aPnt.X() < box[iShape][0] || box[iShape][1] < aPnt.X() ||
+ aPnt.Y() < box[iShape][2] || box[iShape][3] < aPnt.Y() ||
+ aPnt.Z() < box[iShape][4] || box[iShape][5] < aPnt.Z()) ) {
BRepClass3d_SolidClassifier SC (aShape, aPnt, Precision::Confusion());
+ if (state) *state = SC.State();
if (SC.State() == TopAbs_IN)
break;
}
static char* readMapIntLine(char* ptr, int tab[]) {
long int intVal;
- cout << endl;
+ std::cout << std::endl;
for ( int i=0; i<17; i++ ) {
intVal = strtol(ptr, &ptr, 10);
return ptr;
}
-//=======================================================================
-//function : readLine
-//purpose :
-//=======================================================================
-
-#define GHS3DPlugin_BUFLENGTH 256
-#define GHS3DPlugin_ReadLine(aPtr,aBuf,aFile,aLineNb) \
-{ aPtr = fgets( aBuf, GHS3DPlugin_BUFLENGTH - 2, aFile ); aLineNb++; DUMP(endl); }
-
//=======================================================================
//function : countShape
//purpose :
//purpose :
//=======================================================================
-static bool writeFaces (ofstream & theFile,
- SMESHDS_Mesh * theMesh,
- const map <int,int> & theSmdsToGhs3dIdMap)
+static bool writeFaces (ofstream & theFile,
+ SMESHDS_Mesh* theMesh,
+ const TopoDS_Shape& theShape,
+ vector<StdMeshers_QuadToTriaAdaptor>& theQuad2Trias,
+ const map <int,int> & theSmdsToGhs3dIdMap)
{
// record structure:
//
// Loop from 1 to NB_ELEMS
// NB_NODES NODE_NB_1 NODE_NB_2 ... (NB_NODES + 1) times: DUMMY_INT
- int nbShape = countShape( theMesh, TopAbs_FACE );
-
- int *tabID; tabID = new int[nbShape];
- TopoDS_Shape *tabShape; tabShape = new TopoDS_Shape[nbShape];
TopoDS_Shape aShape;
SMESHDS_SubMesh* theSubMesh;
const SMDS_MeshElement* aFace;
const int dummyint = 0;
map<int,int>::const_iterator itOnMap;
SMDS_ElemIteratorPtr itOnSubMesh, itOnSubFace;
- int shapeID, nbNodes, aSmdsID;
- bool idFound;
+ int nbNodes, aSmdsID;
- cout << " " << theMesh->NbFaces() << " shapes of 2D dimension" << endl;
- cout << endl;
+ // count triangles bound to geometry
+ int nbTriangles = 0;
- theFile << space << theMesh->NbFaces() << space << dummyint << endl;
+ TopTools_IndexedMapOfShape facesMap;
+ TopExp::MapShapes( theShape, TopAbs_FACE, facesMap );
- TopExp_Explorer expface( theMesh->ShapeToMesh(), TopAbs_FACE );
- for ( int i = 0; expface.More(); expface.Next(), i++ ) {
- tabID[i] = 0;
- aShape = expface.Current();
- shapeID = theMesh->ShapeToIndex( aShape );
- idFound = false;
- for ( int j=0; j<=i; j++) {
- if ( shapeID == tabID[j] ) {
- idFound = true;
- break;
- }
- }
- if ( not idFound ) {
- tabID[i] = shapeID;
- tabShape[i] = aShape;
+ // 2 adaptors for each face in facesMap, as a face can belong to 2 solids
+ typedef vector< StdMeshers_QuadToTriaAdaptor* > TwoAdaptors;
+ vector< TwoAdaptors > qttaByFace;
+ if ( theQuad2Trias.empty() )
+ {
+ // case w/o quadrangles
+ for ( int i = 1; i <= facesMap.Extent(); ++i )
+ if (( theSubMesh = theMesh->MeshElements( facesMap(i))))
+ nbTriangles += theSubMesh->NbElements();
+ }
+ else
+ {
+ // case with quadrangles
+ qttaByFace.resize( facesMap.Extent() );
+ for ( unsigned i = 0; i < theQuad2Trias.size(); ++i )
+ {
+ TopoDS_Shape solid = theQuad2Trias[i].GetShape();
+ TopExp_Explorer expface( solid, TopAbs_FACE );
+ for ( ; expface.More(); expface.Next() )
+ if (( theSubMesh = theMesh->MeshElements( expface.Current()) ))
+ {
+ const int faceIndex = facesMap.Add( expface.Current() );
+ TwoAdaptors& aTwoAdaptors = qttaByFace[ faceIndex-1 ];
+ const bool newFaceEncounters = aTwoAdaptors.empty();
+ aTwoAdaptors.push_back( & theQuad2Trias[i] );
+
+ // on a shared face encountered for the second time
+ // we count only triangles of pyramids
+ const int countTrias = int( newFaceEncounters );
+ itOnSubMesh = theSubMesh->GetElements();
+ while ( itOnSubMesh->more() )
+ {
+ aFace = itOnSubMesh->next();
+ if ( aFace->NbCornerNodes() != 4 )
+ nbTriangles += countTrias;
+ else if ( TTriaList* trias = theQuad2Trias[i].GetTriangles( aFace ))
+ nbTriangles += trias->size();
+ else
+ nbTriangles += countTrias;
+ }
+ }
}
}
- for ( int i =0; i < nbShape; i++ ) {
- if ( not (tabID[i] == 0) ) {
- aShape = tabShape[i];
- shapeID = tabID[i];
- theSubMesh = theMesh->MeshElements( aShape );
- itOnSubMesh = theSubMesh->GetElements();
- while ( itOnSubMesh->more() ) {
- aFace = itOnSubMesh->next();
+
+ std::cout << " " << facesMap.Extent() << " shapes of 2D dimension" << std::endl;
+ std::cout << std::endl;
+
+ theFile << space << nbTriangles << space << dummyint << std::endl;
+
+ vector< const SMDS_MeshElement* > trias;
+ trias.resize( 8 ); // 4 triangles from 2 pyramids basing on one quadranle
+
+ for ( int i = 1; i <= facesMap.Extent(); i++ )
+ {
+ aShape = facesMap(i);
+ theSubMesh = theMesh->MeshElements( aShape );
+ if ( !theSubMesh ) continue;
+ TwoAdaptors& aTwoAdaptors = qttaByFace[ i-1 ];
+ itOnSubMesh = theSubMesh->GetElements();
+ while ( itOnSubMesh->more() )
+ {
+ aFace = itOnSubMesh->next();
+ if ( aFace->NbCornerNodes() == 4 )
+ {
+ nbTriangles = 0;
+ for ( unsigned j = 0; j < aTwoAdaptors.size(); ++j )
+ if ( TTriaList* t = aTwoAdaptors[j]->GetTriangles( aFace ))
+ for ( TTriaList::const_iterator tIt = t->begin(); tIt != t->end(); ++tIt)
+ trias[nbTriangles++] = *tIt;
+ if ( nbTriangles == 0 )
+ {
+ nbTriangles = 1;
+ trias[0] = aFace;
+ }
+ }
+ else
+ {
+ nbTriangles = 1;
+ trias[0] = aFace;
+ }
+ for ( int j = 0; j < nbTriangles; ++j )
+ {
+ aFace = trias[j];
nbNodes = aFace->NbNodes();
theFile << space << nbNodes;
// find GHS3D ID
aSmdsID = itOnSubFace->next()->GetID();
itOnMap = theSmdsToGhs3dIdMap.find( aSmdsID );
+// if ( itOnMap == theSmdsToGhs3dIdMap.end() ) {
+// cout << "not found node: " << aSmdsID << endl;
+// return false;
+// }
ASSERT( itOnMap != theSmdsToGhs3dIdMap.end() );
theFile << space << (*itOnMap).second;
for ( int j=0; j<=nbNodes; j++)
theFile << space << dummyint;
- theFile << endl;
+ theFile << std::endl;
}
}
}
-
- delete [] tabID;
- delete [] tabShape;
-
+
return true;
}
//purpose : Write Faces in case if generate 3D mesh w/o geometry
//=======================================================================
-static bool writeFaces (ofstream & theFile,
- SMESHDS_Mesh * theMesh,
+static bool writeFaces (ofstream & theFile,
+ SMESHDS_Mesh * theMesh,
+ StdMeshers_QuadToTriaAdaptor& theQuad2Trias,
vector <const SMDS_MeshNode*> & theNodeByGhs3dId)
{
// record structure:
// Loop from 1 to NB_ELEMS
// NB_NODES NODE_NB_1 NODE_NB_2 ... (NB_NODES + 1) times: DUMMY_INT
-
- int nbFaces = 0;
- list< const SMDS_MeshElement* > faces;
- list< const SMDS_MeshElement* >::iterator f;
+ int nbNodes, nbTriangles = 0;
map< const SMDS_MeshNode*,int >::iterator it;
SMDS_ElemIteratorPtr nodeIt;
const SMDS_MeshElement* elem;
- int nbNodes;
const char* space = " ";
const int dummyint = 0;
- //get all faces from mesh
- SMDS_FaceIteratorPtr eIt = theMesh->facesIterator();
- while ( eIt->more() ) {
- const SMDS_MeshElement* elem = eIt->next();
- if ( !elem )
- return false;
- faces.push_back( elem );
- nbFaces++;
- }
+ // count faces
+
+ nbTriangles = theQuad2Trias.TotalNbOfTriangles();
+ if ( nbTriangles == 0 )
+ // theQuad2Trias not computed as there are no quadrangles in mesh
+ nbTriangles = theMesh->NbFaces();
- if ( nbFaces == 0 )
+ if ( nbTriangles == 0 )
return false;
-
- cout << "The initial 2D mesh contains " << nbFaces << " faces and ";
+
+ std::cout << "The initial 2D mesh contains " << nbTriangles << " faces and ";
// NB_ELEMS DUMMY_INT
- theFile << space << nbFaces << space << dummyint << endl;
+ theFile << space << nbTriangles << space << dummyint << std::endl;
- // Loop from 1 to NB_ELEMS
map<const SMDS_MeshNode*,int> aNodeToGhs3dIdMap;
- f = faces.begin();
- for ( ; f != faces.end(); ++f )
+
+ vector< const SMDS_MeshElement* > trias;
+ trias.resize( 8 ); // 8 == 4 triangles from 2 pyramids basing on one quadranle
+
+ // Loop from 1 to NB_ELEMS
+
+ SMDS_FaceIteratorPtr eIt = theMesh->facesIterator();
+ while ( eIt->more() )
{
- // NB_NODES PER FACE
- elem = *f;
- nbNodes = elem->NbNodes();
- theFile << space << nbNodes;
-
- // NODE_NB_1 NODE_NB_2 ...
- nodeIt = elem->nodesIterator();
- while ( nodeIt->more() )
+ elem = eIt->next();
+ // get triangles
+ if ( elem->NbCornerNodes() == 4 )
{
- // find GHS3D ID
- const SMDS_MeshNode* node = castToNode( nodeIt->next() );
- int newId = aNodeToGhs3dIdMap.size() + 1; // ghs3d ids count from 1
- it = aNodeToGhs3dIdMap.insert( make_pair( node, newId )).first;
- theFile << space << it->second;
+ nbTriangles = 0;
+ if ( TTriaList* t = theQuad2Trias.GetTriangles( elem ))
+ for ( TTriaList::const_iterator tIt = t->begin(); tIt != t->end(); ++tIt)
+ trias[nbTriangles++] = *tIt;
+ if ( nbTriangles == 0 )
+ {
+ nbTriangles = 1;
+ trias[0] = elem;
+ }
}
+ else
+ {
+ nbTriangles = 1;
+ trias[0] = elem;
+ }
+ // write triangles
+ for ( int j = 0; j < nbTriangles; ++j )
+ {
+ // NB_NODES PER FACE
+ elem = trias[j];
+ nbNodes = elem->NbNodes();
+ theFile << space << nbNodes;
+
+ // NODE_NB_1 NODE_NB_2 ...
+ nodeIt = elem->nodesIterator();
+ while ( nodeIt->more() )
+ {
+ // find GHS3D ID
+ const SMDS_MeshNode* node = castToNode( nodeIt->next() );
+ int newId = aNodeToGhs3dIdMap.size() + 1; // ghs3d ids count from 1
+ it = aNodeToGhs3dIdMap.insert( make_pair( node, newId )).first;
+ theFile << space << it->second;
+ }
- // (NB_NODES + 1) times: DUMMY_INT
- for ( int i=0; i<=nbNodes; i++)
- theFile << space << dummyint;
-
- theFile << endl;
+ // (NB_NODES + 1) times: DUMMY_INT
+ for ( int i=0; i<=nbNodes; i++)
+ theFile << space << dummyint;
+ theFile << std::endl;
+ }
}
// put nodes to theNodeByGhs3dId vector
//=======================================================================
static bool writePoints (ofstream & theFile,
- SMESHDS_Mesh * theMesh,
+ SMESH_MesherHelper& theHelper,
map <int,int> & theSmdsToGhs3dIdMap,
- map <int,const SMDS_MeshNode*> & theGhs3dIdToNodeMap)
+ map <int,const SMDS_MeshNode*> & theGhs3dIdToNodeMap,
+ map<vector<double>,double> & theEnforcedVertices)
{
// record structure:
//
// Loop from 1 to NB_NODES
// X Y Z DUMMY_INT
+ SMESHDS_Mesh * theMesh = theHelper.GetMeshDS();
int nbNodes = theMesh->NbNodes();
if ( nbNodes == 0 )
return false;
+ int nbEnforcedVertices = theEnforcedVertices.size();
+ // Issue 020674: EDF 870 SMESH: Mesh generated by Netgen not usable by GHS3D
+ // The problem is in nodes on degenerated edges, we need to skip them
+ if ( theHelper.HasDegeneratedEdges() )
+ {
+ // here we decrease total nb of nodes by nb of nodes on degenerated edges
+ set<int> checkedSM;
+ for (TopExp_Explorer e(theMesh->ShapeToMesh(), TopAbs_EDGE ); e.More(); e.Next())
+ {
+ SMESH_subMesh* sm = theHelper.GetMesh()->GetSubMesh( e.Current() );
+ if ( checkedSM.insert( sm->GetId() ).second && theHelper.IsDegenShape(sm->GetId() )) {
+ if ( sm->GetSubMeshDS() )
+ nbNodes -= sm->GetSubMeshDS()->NbNodes();
+ }
+ }
+ }
const char* space = " ";
const int dummyint = 0;
const SMDS_MeshNode* node;
// NB_NODES
- theFile << space << nbNodes << endl;
- cout << endl;
- cout << "The initial 2D mesh contains :" << endl;
- cout << " " << nbNodes << " vertices" << endl;
+ std::cout << std::endl;
+ std::cout << "The initial 2D mesh contains :" << std::endl;
+ std::cout << " " << nbNodes << " nodes" << std::endl;
+ if (nbEnforcedVertices > 0) {
+ std::cout << " " << nbEnforcedVertices << " enforced vertices" << std::endl;
+ }
+ std::cout << std::endl;
+ std::cout << "Start writing in 'points' file ..." << std::endl;
+ theFile << space << nbNodes << std::endl;
// Loop from 1 to NB_NODES
while ( it->more() )
{
node = it->next();
- theSmdsToGhs3dIdMap.insert( map <int,int>::value_type( node->GetID(), aGhs3dID ));
- theGhs3dIdToNodeMap.insert (map <int,const SMDS_MeshNode*>::value_type( aGhs3dID, node ));
+ if ( node->GetPosition()->GetTypeOfPosition() == SMDS_TOP_EDGE &&
+ theHelper.IsDegenShape( node->GetPosition()->GetShapeId() )) // Issue 020674
+ continue;
+
+ theSmdsToGhs3dIdMap.insert( make_pair( node->GetID(), aGhs3dID ));
+ theGhs3dIdToNodeMap.insert( make_pair( aGhs3dID, node ));
aGhs3dID++;
// X Y Z DUMMY_INT
theFile
- << space << node->X()
- << space << node->Y()
- << space << node->Z()
- << space << dummyint;
+ << space << node->X()
+ << space << node->Y()
+ << space << node->Z()
+ << space << dummyint;
- theFile << endl;
+ theFile << std::endl;
+
+ }
+
+ // Iterate over the enforced vertices
+ GHS3DPlugin_Hypothesis::TEnforcedVertexValues::const_iterator vertexIt;
+ const TopoDS_Shape shapeToMesh = theMesh->ShapeToMesh();
+ for(vertexIt = theEnforcedVertices.begin() ; vertexIt != theEnforcedVertices.end() ; ++vertexIt) {
+ double x = vertexIt->first[0];
+ double y = vertexIt->first[1];
+ double z = vertexIt->first[2];
+ // Test if point is inside shape to mesh
+ gp_Pnt myPoint(x,y,z);
+ BRepClass3d_SolidClassifier scl(shapeToMesh);
+ scl.Perform(myPoint, 1e-7);
+ TopAbs_State result = scl.State();
+ if ( result == TopAbs_IN ) {
+ MESSAGE("Adding enforced vertex (" << x << "," << y <<"," << z << ") = " << vertexIt->second);
+ // X Y Z PHY_SIZE DUMMY_INT
+ theFile
+ << space << x
+ << space << y
+ << space << z
+ << space << vertexIt->second
+ << space << dummyint;
+
+ theFile << std::endl;
+ }
+ else
+ MESSAGE("Enforced vertex (" << x << "," << y <<"," << z << ") is not inside the geometry: it was not added ");
}
+
+
+ std::cout << std::endl;
+ std::cout << "End writing in 'points' file." << std::endl;
return true;
}
//=======================================================================
static bool writePoints (ofstream & theFile,
- SMESHDS_Mesh * theMesh,
- const vector <const SMDS_MeshNode*> & theNodeByGhs3dId)
+ SMESH_Mesh * theMesh,
+ const vector <const SMDS_MeshNode*> & theNodeByGhs3dId,
+ map<vector<double>,double> & theEnforcedVertices)
{
// record structure:
//
// NB_NODES
// Loop from 1 to NB_NODES
// X Y Z DUMMY_INT
-
- //int nbNodes = theMesh->NbNodes();
+
int nbNodes = theNodeByGhs3dId.size();
if ( nbNodes == 0 )
return false;
+ int nbEnforcedVertices = theEnforcedVertices.size();
+
const char* space = " ";
const int dummyint = 0;
const SMDS_MeshNode* node;
// NB_NODES
- theFile << space << nbNodes << endl;
- cout << nbNodes << " nodes" << endl;
+ std::cout << std::endl;
+ std::cout << "The initial 2D mesh contains :" << std::endl;
+ std::cout << " " << nbNodes << " nodes" << std::endl;
+ std::cout << " " << nbEnforcedVertices << " enforced vertices" << std::endl;
+ std::cout << std::endl;
+ std::cout << "Start writing in 'points' file ..." << std::endl;
+ theFile << space << nbNodes << std::endl;
// Loop from 1 to NB_NODES
// X Y Z DUMMY_INT
theFile
- << space << node->X()
- << space << node->Y()
- << space << node->Z()
- << space << dummyint;
+ << space << node->X()
+ << space << node->Y()
+ << space << node->Z()
+ << space << dummyint;
+
+ theFile << std::endl;
- theFile << endl;
}
+
+ // Iterate over the enforced vertices
+ GHS3DPlugin_Hypothesis::TEnforcedVertexValues::const_iterator vertexIt;
+ auto_ptr< SMESH_ElementSearcher > pntCls ( SMESH_MeshEditor( theMesh ).GetElementSearcher());
+ for(vertexIt = theEnforcedVertices.begin() ; vertexIt != theEnforcedVertices.end() ; ++vertexIt) {
+ double x = vertexIt->first[0];
+ double y = vertexIt->first[1];
+ double z = vertexIt->first[2];
+ // Test if point is inside shape to mesh
+ gp_Pnt myPoint(x,y,z);
+ TopAbs_State result = pntCls->GetPointState( myPoint );
+ if ( result == TopAbs_IN ) {
+ std::cout << "Adding enforced vertex (" << x << "," << y <<"," << z << ") = " << vertexIt->second << std::endl;
+
+ // X Y Z PHY_SIZE DUMMY_INT
+ theFile
+ << space << x
+ << space << y
+ << space << z
+ << space << vertexIt->second
+ << space << dummyint;
+
+ theFile << std::endl;
+ }
+ }
+ std::cout << std::endl;
+ std::cout << "End writing in 'points' file." << std::endl;
return true;
}
+//=======================================================================
+//function : findShapeID
+//purpose : find the solid corresponding to GHS3D sub-domain following
+// the technique proposed in GHS3D manual in chapter
+// "B.4 Subdomain (sub-region) assignment"
+//=======================================================================
+
+static int findShapeID(SMESH_Mesh& mesh,
+ const SMDS_MeshNode* node1,
+ const SMDS_MeshNode* node2,
+ const SMDS_MeshNode* node3,
+ const bool toMeshHoles)
+{
+ const int invalidID = 0;
+ SMESHDS_Mesh* meshDS = mesh.GetMeshDS();
+
+ // face the nodes belong to
+ const SMDS_MeshElement * face = meshDS->FindFace(node1,node2,node3);
+ if ( !face )
+ return invalidID;
+#ifdef _DEBUG_
+ std::cout << "bnd face " << face->GetID() << " - ";
+#endif
+ // geom face the face assigned to
+ SMESH_MeshEditor editor(&mesh);
+ int geomFaceID = editor.FindShape( face );
+ if ( !geomFaceID )
+ return invalidID;
+ TopoDS_Shape shape = meshDS->IndexToShape( geomFaceID );
+ if ( shape.IsNull() || shape.ShapeType() != TopAbs_FACE )
+ return invalidID;
+ TopoDS_Face geomFace = TopoDS::Face( shape );
+
+ // solids bounded by geom face
+ TopTools_IndexedMapOfShape solids, shells;
+ TopTools_ListIteratorOfListOfShape ansIt = mesh.GetAncestors(geomFace);
+ for ( ; ansIt.More(); ansIt.Next() ) {
+ switch ( ansIt.Value().ShapeType() ) {
+ case TopAbs_SOLID:
+ solids.Add( ansIt.Value() ); break;
+ case TopAbs_SHELL:
+ shells.Add( ansIt.Value() ); break;
+ default:;
+ }
+ }
+ // analyse found solids
+ if ( solids.Extent() == 0 || shells.Extent() == 0)
+ return invalidID;
+
+ const TopoDS_Solid& solid1 = TopoDS::Solid( solids(1) );
+ if ( solids.Extent() == 1 )
+ {
+ if ( toMeshHoles )
+ return meshDS->ShapeToIndex( solid1 );
+
+ // - Are we at a hole boundary face?
+ if ( shells(1).IsSame( BRepTools::OuterShell( solid1 )) )
+ { // - No, but maybe a hole is bound by two shapes? Does shells(1) touches another shell?
+ bool touch = false;
+ TopExp_Explorer eExp( shells(1), TopAbs_EDGE );
+ // check if any edge of shells(1) belongs to another shell
+ for ( ; eExp.More() && !touch; eExp.Next() ) {
+ ansIt = mesh.GetAncestors( eExp.Current() );
+ for ( ; ansIt.More() && !touch; ansIt.Next() ) {
+ if ( ansIt.Value().ShapeType() == TopAbs_SHELL )
+ touch = ( !ansIt.Value().IsSame( shells(1) ));
+ }
+ }
+ if (!touch)
+ return meshDS->ShapeToIndex( solid1 );
+ }
+ }
+ // find orientation of geom face within the first solid
+ TopExp_Explorer fExp( solid1, TopAbs_FACE );
+ for ( ; fExp.More(); fExp.Next() )
+ if ( geomFace.IsSame( fExp.Current() )) {
+ geomFace = TopoDS::Face( fExp.Current() );
+ break;
+ }
+ if ( !fExp.More() )
+ return invalidID; // face not found
+
+ // normale to triangle
+ gp_Pnt node1Pnt ( node1->X(), node1->Y(), node1->Z() );
+ gp_Pnt node2Pnt ( node2->X(), node2->Y(), node2->Z() );
+ gp_Pnt node3Pnt ( node3->X(), node3->Y(), node3->Z() );
+ gp_Vec vec12( node1Pnt, node2Pnt );
+ gp_Vec vec13( node1Pnt, node3Pnt );
+ gp_Vec meshNormal = vec12 ^ vec13;
+ if ( meshNormal.SquareMagnitude() < DBL_MIN )
+ return invalidID;
+
+ // get normale to geomFace at any node
+ bool geomNormalOK = false;
+ gp_Vec geomNormal;
+ const SMDS_MeshNode* nodes[3] = { node1, node2, node3 };
+ SMESH_MesherHelper helper( mesh ); helper.SetSubShape( geomFace );
+ for ( int i = 0; !geomNormalOK && i < 3; ++i )
+ {
+ // find UV of i-th node on geomFace
+ const SMDS_MeshNode* nNotOnSeamEdge = 0;
+ if ( helper.IsSeamShape( nodes[i]->GetPosition()->GetShapeId() ))
+ if ( helper.IsSeamShape( nodes[(i+1)%3]->GetPosition()->GetShapeId() ))
+ nNotOnSeamEdge = nodes[(i+2)%3];
+ else
+ nNotOnSeamEdge = nodes[(i+1)%3];
+ bool uvOK;
+ gp_XY uv = helper.GetNodeUV( geomFace, nodes[i], nNotOnSeamEdge, &uvOK );
+ // check that uv is correct
+ if (uvOK) {
+ double tol = 1e-6;
+ TopoDS_Shape nodeShape = helper.GetSubShapeByNode( nodes[i], meshDS );
+ if ( !nodeShape.IsNull() )
+ switch ( nodeShape.ShapeType() )
+ {
+ case TopAbs_FACE: tol = BRep_Tool::Tolerance( TopoDS::Face( nodeShape )); break;
+ case TopAbs_EDGE: tol = BRep_Tool::Tolerance( TopoDS::Edge( nodeShape )); break;
+ case TopAbs_VERTEX: tol = BRep_Tool::Tolerance( TopoDS::Vertex( nodeShape )); break;
+ default:;
+ }
+ gp_Pnt nodePnt ( nodes[i]->X(), nodes[i]->Y(), nodes[i]->Z() );
+ BRepAdaptor_Surface surface( geomFace );
+ uvOK = ( nodePnt.Distance( surface.Value( uv.X(), uv.Y() )) < 2 * tol );
+ if ( uvOK ) {
+ // normale to geomFace at UV
+ gp_Vec du, dv;
+ surface.D1( uv.X(), uv.Y(), nodePnt, du, dv );
+ geomNormal = du ^ dv;
+ if ( geomFace.Orientation() == TopAbs_REVERSED )
+ geomNormal.Reverse();
+ geomNormalOK = ( geomNormal.SquareMagnitude() > DBL_MIN * 1e3 );
+ }
+ }
+ }
+ if ( !geomNormalOK)
+ return invalidID;
+
+ // compare normals
+ bool isReverse = ( meshNormal * geomNormal ) < 0;
+ if ( !isReverse )
+ return meshDS->ShapeToIndex( solid1 );
+
+ if ( solids.Extent() == 1 )
+ return HOLE_ID; // we are inside a hole
+ else
+ return meshDS->ShapeToIndex( solids(2) );
+}
+
//=======================================================================
//function : readResultFile
//purpose :
//=======================================================================
static bool readResultFile(const int fileOpen,
- SMESHDS_Mesh* theMeshDS,
+#ifdef WNT
+ const char* fileName,
+#endif
+ SMESH_Mesh& theMesh,
TopoDS_Shape tabShape[],
double** tabBox,
const int nbShape,
- map <int,const SMDS_MeshNode*>& theGhs3dIdToNodeMap) {
-
+ map <int,const SMDS_MeshNode*>& theGhs3dIdToNodeMap,
+ bool toMeshHoles,
+ int nbEnforcedVertices)
+{
+ MESSAGE("GHS3DPlugin_GHS3D::readResultFile()");
+ Kernel_Utils::Localizer loc;
struct stat status;
size_t length;
char *tetraPtr;
char *shapePtr;
+ SMESHDS_Mesh* theMeshDS = theMesh.GetMeshDS();
+
int fileStat;
int nbElems, nbNodes, nbInputNodes;
- int nodeId, triangleId;
+ int nodeId/*, triangleId*/;
int nbTriangle;
int ID, shapeID, ghs3dShapeID;
int IdShapeRef = 1;
- int compoundID = theMeshDS->ShapeToIndex( theMeshDS->ShapeToMesh() );
+ int compoundID =
+ nbShape ? theMeshDS->ShapeToIndex( tabShape[0] ) : theMeshDS->ShapeToIndex( theMeshDS->ShapeToMesh() );
int *tab, *tabID, *nodeID, *nodeAssigne;
double *coord;
const SMDS_MeshNode **node;
tab = new int[3];
- tabID = new int[nbShape];
+ //tabID = new int[nbShape];
nodeID = new int[4];
coord = new double[3];
node = new const SMDS_MeshNode*[4];
SMDS_MeshNode * aNewNode;
map <int,const SMDS_MeshNode*>::iterator itOnNode;
SMDS_MeshElement* aTet;
-
- for (int i=0; i<nbShape; i++)
- tabID[i] = 0;
+#ifdef _DEBUG_
+ set<int> shapeIDs;
+#endif
// Read the file state
fileStat = fstat(fileOpen, &status);
length = status.st_size;
// Mapping the result file into memory
+#ifdef WNT
+ HANDLE fd = CreateFile(fileName, GENERIC_READ, FILE_SHARE_READ,
+ NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+ HANDLE hMapObject = CreateFileMapping(fd, NULL, PAGE_READONLY,
+ 0, (DWORD)length, NULL);
+ ptr = ( char* ) MapViewOfFile(hMapObject, FILE_MAP_READ, 0, 0, 0 );
+#else
ptr = (char *) mmap(0,length,PROT_READ,MAP_PRIVATE,fileOpen,0);
+#endif
mapPtr = ptr;
ptr = readMapIntLine(ptr, tab);
nodeAssigne = new int[ nbNodes+1 ];
+ if (nbShape > 0)
+ aSolid = tabShape[0];
+
// Reading the nodeId
for (int i=0; i < 4*nbElems; i++)
nodeId = strtol(ptr, &ptr, 10);
+ MESSAGE("nbInputNodes: "<<nbInputNodes);
+ MESSAGE("nbEnforcedVertices: "<<nbEnforcedVertices);
// Reading the nodeCoor and update the nodeMap
- for (int iNode=0; iNode < nbNodes; iNode++) {
+ for (int iNode=1; iNode <= nbNodes; iNode++) {
for (int iCoor=0; iCoor < 3; iCoor++)
coord[ iCoor ] = strtod(ptr, &ptr);
- nodeAssigne[ iNode+1 ] = 1;
- if ( (iNode+1) > nbInputNodes ) {
- nodeAssigne[ iNode+1 ] = 0;
+ nodeAssigne[ iNode ] = 1;
+ if ( iNode > (nbInputNodes-nbEnforcedVertices) ) {
+ // Creating SMESH nodes
+ // - for enforced vertices
+ // - for vertices of forced edges
+ // - for ghs3d nodes
+ nodeAssigne[ iNode ] = 0;
aNewNode = theMeshDS->AddNode( coord[0],coord[1],coord[2] );
- theGhs3dIdToNodeMap.insert(make_pair( (iNode+1), aNewNode ));
+ theGhs3dIdToNodeMap.insert(theGhs3dIdToNodeMap.end(), make_pair( iNode, aNewNode ));
}
}
- // Reading the number of triangles which corresponds to the number of shapes
+ // Reading the number of triangles which corresponds to the number of sub-domains
nbTriangle = strtol(ptr, &ptr, 10);
- for (int i=0; i < 3*nbShape; i++)
- triangleId = strtol(ptr, &ptr, 10);
+ tabID = new int[nbTriangle];
+ for (int i=0; i < nbTriangle; i++) {
+ tabID[i] = 0;
+ // find the solid corresponding to GHS3D sub-domain following
+ // the technique proposed in GHS3D manual in chapter
+ // "B.4 Subdomain (sub-region) assignment"
+ int nodeId1 = strtol(ptr, &ptr, 10);
+ int nodeId2 = strtol(ptr, &ptr, 10);
+ int nodeId3 = strtol(ptr, &ptr, 10);
+ if ( nbTriangle > 1 ) {
+ const SMDS_MeshNode* n1 = theGhs3dIdToNodeMap[ nodeId1 ];
+ const SMDS_MeshNode* n2 = theGhs3dIdToNodeMap[ nodeId2 ];
+ const SMDS_MeshNode* n3 = theGhs3dIdToNodeMap[ nodeId3 ];
+ try {
+ OCC_CATCH_SIGNALS;
+ tabID[i] = findShapeID( theMesh, n1, n2, n3, toMeshHoles );
+ // -- 0020330: Pb with ghs3d as a submesh
+ // check that found shape is to be meshed
+ if ( tabID[i] > 0 ) {
+ const TopoDS_Shape& foundShape = theMeshDS->IndexToShape( tabID[i] );
+ bool isToBeMeshed = false;
+ for ( int iS = 0; !isToBeMeshed && iS < nbShape; ++iS )
+ isToBeMeshed = foundShape.IsSame( tabShape[ iS ]);
+ if ( !isToBeMeshed )
+ tabID[i] = HOLE_ID;
+ }
+ // END -- 0020330: Pb with ghs3d as a submesh
+#ifdef _DEBUG_
+ std::cout << i+1 << " subdomain: findShapeID() returns " << tabID[i] << std::endl;
+#endif
+ }
+ catch ( Standard_Failure & ex)
+ {
+#ifdef _DEBUG_
+ std::cout << i+1 << " subdomain: Exception caugt: " << ex.GetMessageString() << std::endl;
+#endif
+ }
+ catch (...) {
+#ifdef _DEBUG_
+ std::cout << i+1 << " subdomain: unknown exception caught " << std::endl;
+#endif
+ }
+ }
+ }
shapePtr = ptr;
+ if ( nbTriangle <= nbShape ) // no holes
+ toMeshHoles = true; // not avoid creating tetras in holes
+
// Associating the tetrahedrons to the shapes
shapeID = compoundID;
for (int iElem = 0; iElem < nbElems; iElem++) {
node[ iNode ] = itOnNode->second;
nodeID[ iNode ] = ID;
}
- aTet = theMeshDS->AddVolume( node[1], node[0], node[2], node[3] );
- if ( nbShape > 1 ) {
+ // We always run GHS3D with "to mesh holes"==TRUE but we must not create
+ // tetras within holes depending on hypo option,
+ // so we first check if aTet is inside a hole and then create it
+ //aTet = theMeshDS->AddVolume( node[1], node[0], node[2], node[3] );
+ if ( nbTriangle > 1 ) {
+ shapeID = HOLE_ID; // negative shapeID means not to create tetras if !toMeshHoles
ghs3dShapeID = strtol(shapePtr, &shapePtr, 10) - IdShapeRef;
if ( tabID[ ghs3dShapeID ] == 0 ) {
- if (iElem == 0)
- aSolid = tabShape[0];
- aSolid = findShape(node, aSolid, tabShape, tabBox, nbShape);
- shapeID = theMeshDS->ShapeToIndex( aSolid );
+ TopAbs_State state;
+ aSolid = findShape(node, aSolid, tabShape, tabBox, nbShape, &state);
+ if ( toMeshHoles || state == TopAbs_IN )
+ shapeID = theMeshDS->ShapeToIndex( aSolid );
tabID[ ghs3dShapeID ] = shapeID;
}
else
shapeID = tabID[ ghs3dShapeID ];
}
- // set new nodes and tetrahedron on to the shape
+ else if ( nbShape > 1 ) {
+ // Case where nbTriangle == 1 while nbShape == 2 encountered
+ // with compound of 2 boxes and "To mesh holes"==False,
+ // so there are no subdomains specified for each tetrahedron.
+ // Try to guess a solid by a node already bound to shape
+ shapeID = 0;
+ for ( int i=0; i<4 && shapeID==0; i++ ) {
+ if ( nodeAssigne[ nodeID[i] ] == 1 &&
+ node[i]->GetPosition()->GetTypeOfPosition() == SMDS_TOP_3DSPACE &&
+ node[i]->GetPosition()->GetShapeId() > 1 )
+ {
+ shapeID = node[i]->GetPosition()->GetShapeId();
+ }
+ }
+ if ( shapeID==0 ) {
+ aSolid = findShape(node, aSolid, tabShape, tabBox, nbShape);
+ shapeID = theMeshDS->ShapeToIndex( aSolid );
+ }
+ }
+ // set new nodes and tetrahedron onto the shape
for ( int i=0; i<4; i++ ) {
- if ( nodeAssigne[ nodeID[i] ] == 0 )
- theMeshDS->SetNodeInVolume( node[i], shapeID );
+ if ( nodeAssigne[ nodeID[i] ] == 0 ) {
+ if ( shapeID != HOLE_ID )
+ theMeshDS->SetNodeInVolume( node[i], shapeID );
+ nodeAssigne[ nodeID[i] ] = shapeID;
+ }
+ }
+ if ( toMeshHoles || shapeID != HOLE_ID ) {
+ aTet = theMeshDS->AddVolume( node[1], node[0], node[2], node[3] );
+ theMeshDS->SetMeshElementOnShape( aTet, shapeID );
+ }
+#ifdef _DEBUG_
+ shapeIDs.insert( shapeID );
+#endif
+ }
+ // Remove nodes of tetras inside holes if !toMeshHoles
+ if ( !toMeshHoles ) {
+ itOnNode = theGhs3dIdToNodeMap.find( nbInputNodes );
+ for ( ; itOnNode != theGhs3dIdToNodeMap.end(); ++itOnNode) {
+ ID = itOnNode->first;
+ if ( nodeAssigne[ ID ] == HOLE_ID )
+ theMeshDS->RemoveFreeNode( itOnNode->second, 0 );
}
- theMeshDS->SetMeshElementOnShape( aTet, shapeID );
- if ( (iElem + 1) == nbElems )
- cout << nbElems << " tetrahedrons have been associated to " << nbShape << " shapes" << endl;
}
+
+ if ( nbElems )
+ cout << nbElems << " tetrahedrons have been associated to " << nbShape << " shapes" << endl;
+#ifdef WNT
+ UnmapViewOfFile(mapPtr);
+ CloseHandle(hMapObject);
+ CloseHandle(fd);
+#else
munmap(mapPtr, length);
+#endif
close(fileOpen);
delete [] tab;
delete [] nodeID;
delete [] coord;
delete [] node;
+ delete [] nodeAssigne;
+
+#ifdef _DEBUG_
+ shapeIDs.erase(-1);
+ if ( shapeIDs.size() != nbShape ) {
+ std::cout << "Only " << shapeIDs.size() << " solids of " << nbShape << " found" << std::endl;
+ for (int i=0; i<nbShape; i++) {
+ shapeID = theMeshDS->ShapeToIndex( tabShape[i] );
+ if ( shapeIDs.find( shapeID ) == shapeIDs.end() )
+ std::cout << " Solid #" << shapeID << " not found" << std::endl;
+ }
+ }
+#endif
return true;
}
//=======================================================================
static bool readResultFile(const int fileOpen,
- SMESHDS_Mesh* theMeshDS,
+#ifdef WNT
+ const char* fileName,
+#endif
+ SMESH_Mesh& theMesh,
TopoDS_Shape aSolid,
- vector <const SMDS_MeshNode*>& theNodeByGhs3dId) {
+ vector <const SMDS_MeshNode*>& theNodeByGhs3dId,
+ int nbEnforcedVertices)
+{
+ SMESHDS_Mesh* theMeshDS = theMesh.GetMeshDS();
+ Kernel_Utils::Localizer loc;
struct stat status;
size_t length;
length = status.st_size;
// Mapping the result file into memory
+#ifdef WNT
+ HANDLE fd = CreateFile(fileName, GENERIC_READ, FILE_SHARE_READ,
+ NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
+ HANDLE hMapObject = CreateFileMapping(fd, NULL, PAGE_READONLY,
+ 0, (DWORD)length, NULL);
+ ptr = ( char* ) MapViewOfFile(hMapObject, FILE_MAP_READ, 0, 0, 0 );
+#else
ptr = (char *) mmap(0,length,PROT_READ,MAP_PRIVATE,fileOpen,0);
+#endif
mapPtr = ptr;
ptr = readMapIntLine(ptr, tab);
for (int i=0; i < 4*nbElems; i++)
nodeId = strtol(ptr, &ptr, 10);
+ // Issue 0020682. Avoid creating nodes and tetras at place where
+ // volumic elements already exist
+ SMESH_ElementSearcher* elemSearcher = 0;
+ vector< const SMDS_MeshElement* > foundVolumes;
+ if ( theMesh.NbVolumes() > 0 )
+ elemSearcher = SMESH_MeshEditor( &theMesh ).GetElementSearcher();
+
// Reading the nodeCoor and update the nodeMap
shapeID = theMeshDS->ShapeToIndex( aSolid );
for (int iNode=0; iNode < nbNodes; iNode++) {
for (int iCoor=0; iCoor < 3; iCoor++)
coord[ iCoor ] = strtod(ptr, &ptr);
- if ((iNode+1) > nbInputNodes) {
- aNewNode = theMeshDS->AddNode( coord[0],coord[1],coord[2] );
- theMeshDS->SetNodeInVolume( aNewNode, shapeID );
- theNodeByGhs3dId[ iNode ] = aNewNode;
+ if ((iNode+1) > (nbInputNodes-nbEnforcedVertices)) {
+ // Issue 0020682. Avoid creating nodes and tetras at place where
+ // volumic elements already exist
+ if ( elemSearcher &&
+ elemSearcher->FindElementsByPoint( gp_Pnt(coord[0],coord[1],coord[2]),
+ SMDSAbs_Volume, foundVolumes ))
+ {
+ theNodeByGhs3dId[ iNode ] = 0;
+ }
+ else
+ {
+ aNewNode = theMeshDS->AddNode( coord[0],coord[1],coord[2] );
+ theMeshDS->SetNodeInVolume( aNewNode, shapeID );
+ theNodeByGhs3dId[ iNode ] = aNewNode;
+ }
}
}
ID = strtol(tetraPtr, &tetraPtr, 10);
node[ iNode ] = theNodeByGhs3dId[ ID-1 ];
}
+ if ( elemSearcher )
+ {
+ // Issue 0020682. Avoid creating nodes and tetras at place where
+ // volumic elements already exist
+ if ( !node[1] || !node[0] || !node[2] || !node[3] )
+ continue;
+ if ( elemSearcher->FindElementsByPoint(( SMESH_MeshEditor::TNodeXYZ(node[0]) +
+ SMESH_MeshEditor::TNodeXYZ(node[1]) +
+ SMESH_MeshEditor::TNodeXYZ(node[2]) +
+ SMESH_MeshEditor::TNodeXYZ(node[3]) ) / 4.,
+ SMDSAbs_Volume, foundVolumes ))
+ continue;
+ }
aTet = theMeshDS->AddVolume( node[1], node[0], node[2], node[3] );
shapeID = theMeshDS->ShapeToIndex( aSolid );
theMeshDS->SetMeshElementOnShape( aTet, shapeID );
}
if ( nbElems )
cout << nbElems << " tetrahedrons have been associated to " << nbTriangle << " shapes" << endl;
+#ifdef WNT
+ UnmapViewOfFile(mapPtr);
+ CloseHandle(hMapObject);
+ CloseHandle(fd);
+#else
munmap(mapPtr, length);
+#endif
close(fileOpen);
delete [] tab;
return true;
}
-//=======================================================================
-//function : getTmpDir
-//purpose :
-//=======================================================================
-
-static TCollection_AsciiString getTmpDir()
-{
- TCollection_AsciiString aTmpDir;
-
- char *Tmp_dir = getenv("SALOME_TMP_DIR");
- if(Tmp_dir != NULL) {
- aTmpDir = Tmp_dir;
-#ifdef WIN32
- if(aTmpDir.Value(aTmpDir.Length()) != '\\') aTmpDir+='\\';
-#else
- if(aTmpDir.Value(aTmpDir.Length()) != '/') aTmpDir+='/';
-#endif
- }
- else {
-#ifdef WIN32
- aTmpDir = TCollection_AsciiString("C:\\");
-#else
- aTmpDir = TCollection_AsciiString("/tmp/");
-#endif
- }
- return aTmpDir;
-}
-
-//================================================================================
-/*!
- * \brief Look for a line containing a text in a file
- * \retval bool - true if the line is found
- */
-//================================================================================
-
-static bool findLineContaing(const TCollection_AsciiString& theText,
- const TCollection_AsciiString& theFile,
- TCollection_AsciiString & theFoundLine)
-{
- bool found = false;
- if ( FILE * aFile = fopen( theFile.ToCString(), "r" ))
- {
- char * aPtr;
- char aBuffer[ GHS3DPlugin_BUFLENGTH ];
- int aLineNb = 0;
- do {
- GHS3DPlugin_ReadLine( aPtr, aBuffer, aFile, aLineNb );
- if ( aPtr ) {
- theFoundLine = aPtr;
- found = theFoundLine.Search( theText ) >= 0;
- }
- } while ( aPtr && !found );
-
- fclose( aFile );
- }
- return found;
-}
-
//=============================================================================
/*!
*Here we are going to use the GHS3D mesher
bool Ok(false);
SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
- _nbShape = countShape( meshDS, TopAbs_SOLID ); // we count the number of shapes
+ // we count the number of shapes
+ // _nbShape = countShape( meshDS, TopAbs_SOLID ); -- 0020330: Pb with ghs3d as a submesh
+ _nbShape = 0;
+ TopExp_Explorer expBox ( theShape, TopAbs_SOLID );
+ for ( ; expBox.More(); expBox.Next() )
+ _nbShape++;
// create bounding box for every shape inside the compound
tabBox[i] = new double[6];
Standard_Real Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
- TopExp_Explorer expBox (meshDS->ShapeToMesh(), TopAbs_SOLID);
- for (; expBox.More(); expBox.Next()) {
+ for (expBox.ReInit(); expBox.More(); expBox.Next()) {
tabShape[iShape] = expBox.Current();
Bnd_Box BoundingBox;
BRepBndLib::Add(expBox.Current(), BoundingBox);
iShape++;
}
- cout << endl;
- cout << "Ghs3d execution..." << endl;
-
- // make a unique working file name
+ // a unique working file name
// to avoid access to the same files by eg different users
-
- TCollection_AsciiString aGenericName, aTmpDir = getTmpDir();
- aGenericName = aTmpDir + "GHS3D_";
-#ifdef WIN32
- aGenericName += GetCurrentProcessId();
-#else
- aGenericName += getpid();
-#endif
- aGenericName += "_";
- aGenericName += meshDS->ShapeToIndex( theShape );
+ TCollection_AsciiString aGenericName
+ = (char*) GHS3DPlugin_Hypothesis::GetFileName(_hyp).c_str();
TCollection_AsciiString aFacesFileName, aPointsFileName, aResultFileName;
TCollection_AsciiString aBadResFileName, aBbResFileName, aLogFileName;
ofstream aPointsFile ( aPointsFileName.ToCString() , ios::out);
Ok =
-#ifdef WIN32
- aFacesFile->is_open() && aPointsFile->is_open();
-#else
aFacesFile.rdbuf()->is_open() && aPointsFile.rdbuf()->is_open();
-#endif
if (!Ok) {
- INFOS( "Can't write into " << aTmpDir.ToCString());
- return error(SMESH_Comment("Can't write into ") << aTmpDir);
+ INFOS( "Can't write into " << aFacesFileName);
+ return error(SMESH_Comment("Can't write into ") << aFacesFileName);
}
map <int,int> aSmdsToGhs3dIdMap;
map <int,const SMDS_MeshNode*> aGhs3dIdToNodeMap;
+ map<vector<double>,double> enforcedVertices;
+ int nbEnforcedVertices = 0;
+ try {
+ enforcedVertices = GHS3DPlugin_Hypothesis::GetEnforcedVertices(_hyp);
+ nbEnforcedVertices = enforcedVertices.size();
+ }
+ catch(...) {
+ }
+
+ SMESH_MesherHelper helper( theMesh );
+ helper.SetSubShape( theShape );
- Ok = writePoints( aPointsFile, meshDS, aSmdsToGhs3dIdMap, aGhs3dIdToNodeMap ) &&
- writeFaces ( aFacesFile, meshDS, aSmdsToGhs3dIdMap );
+ // make prisms on quadrangles
+ vector<StdMeshers_QuadToTriaAdaptor> aQuad2Trias;
+ if ( theMesh.NbQuadrangles() > 0 )
+ {
+ aQuad2Trias.resize( _nbShape );
+ for (_iShape = 0, expBox.ReInit(); expBox.More(); expBox.Next())
+ aQuad2Trias[ _iShape++ ].Compute( theMesh, expBox.Current() );
+ }
+
+ Ok = (writePoints( aPointsFile, helper, aSmdsToGhs3dIdMap, aGhs3dIdToNodeMap, enforcedVertices) &&
+ writeFaces ( aFacesFile, meshDS, theShape, aQuad2Trias, aSmdsToGhs3dIdMap ));
+
+ // Write aSmdsToGhs3dIdMap to temp file
+ TCollection_AsciiString aSmdsToGhs3dIdMapFileName;
+ aSmdsToGhs3dIdMapFileName = aGenericName + ".ids"; // ids relation
+ ofstream aIdsFile ( aSmdsToGhs3dIdMapFileName.ToCString() , ios::out);
+ Ok =
+ aIdsFile.rdbuf()->is_open();
+ if (!Ok) {
+ INFOS( "Can't write into " << aSmdsToGhs3dIdMapFileName);
+ return error(SMESH_Comment("Can't write into ") << aSmdsToGhs3dIdMapFileName);
+ }
+ aIdsFile << "Smds Ghs3d" << std::endl;
+ map <int,int>::const_iterator myit;
+ for (myit=aSmdsToGhs3dIdMap.begin() ; myit != aSmdsToGhs3dIdMap.end() ; ++myit) {
+ aIdsFile << myit->first << " " << myit->second << std::endl;
+ }
aFacesFile.close();
aPointsFile.close();
-
+ aIdsFile.close();
+
if ( ! Ok ) {
- if ( !getenv("GHS3D_KEEP_FILES") ) {
- OSD_File( aFacesFileName ).Remove();
- OSD_File( aPointsFileName ).Remove();
+ if ( !_keepFiles ) {
+ removeFile( aFacesFileName );
+ removeFile( aPointsFileName );
+ removeFile( aSmdsToGhs3dIdMapFileName );
}
return error(COMPERR_BAD_INPUT_MESH);
}
+ removeFile( aResultFileName ); // needed for boundary recovery module usage
// -----------------
- // run ghs3d mesher WIN32???
+ // run ghs3d mesher
// -----------------
- // ghs3d need to know amount of memory it may use (MB).
- // Default memory is defined at ghs3d installation but it may be not enough,
- // so allow to use about all available memory
-
- TCollection_AsciiString memory;
-#ifndef WIN32
- struct sysinfo si;
- int err = sysinfo( &si );
- if ( err == 0 ) {
- int freeMem = si.totalram * si.mem_unit / 1024 / 1024;
- memory = "-m ";
- memory += int( 0.7 * freeMem );
- }
-#endif
+ TCollection_AsciiString cmd( (char*)GHS3DPlugin_Hypothesis::CommandToRun( _hyp ).c_str() );
+ cmd += TCollection_AsciiString(" -f ") + aGenericName; // file to read
+ cmd += TCollection_AsciiString(" 1>" ) + aLogFileName; // dump into file
- MESSAGE("GHS3DPlugin_GHS3D::Compute");
- TCollection_AsciiString cmd( "ghs3d " ); // command to run
- cmd +=
- memory + // memory
- " -c0 -f " + aGenericName + // file to read
- " 1>" + aLogFileName; // dump into file
+ std::cout << std::endl;
+ std::cout << "Ghs3d execution..." << std::endl;
+ std::cout << cmd << std::endl;
system( cmd.ToCString() ); // run
- cout << endl;
- cout << "End of Ghs3d execution !" << endl;
+ std::cout << std::endl;
+ std::cout << "End of Ghs3d execution !" << std::endl;
// --------------
// read a result
int fileOpen;
fileOpen = open( aResultFileName.ToCString(), O_RDONLY);
if ( fileOpen < 0 ) {
- cout << endl;
- cout << "Can't open the " << aResultFileName.ToCString() << " GHS3D output file" << endl;
+ std::cout << std::endl;
+ std::cout << "Can't open the " << aResultFileName.ToCString() << " GHS3D output file" << std::endl;
+ std::cout << "Log: " << aLogFileName << std::endl;
Ok = false;
}
- else
- Ok = readResultFile( fileOpen, meshDS, tabShape, tabBox, _nbShape, aGhs3dIdToNodeMap );
+ else {
+ bool toMeshHoles =
+ _hyp ? _hyp->GetToMeshHoles(true) : GHS3DPlugin_Hypothesis::DefaultMeshHoles();
+ Ok = readResultFile( fileOpen,
+#ifdef WNT
+ aResultFileName.ToCString(),
+#endif
+ theMesh, tabShape, tabBox, _nbShape, aGhs3dIdToNodeMap,
+ toMeshHoles, nbEnforcedVertices );
+ }
// ---------------------
// remove working files
if ( Ok )
{
- OSD_File( aLogFileName ).Remove();
+ if ( !_keepFiles )
+ removeFile( aLogFileName );
}
else if ( OSD_File( aLogFileName ).Size() > 0 )
{
- INFOS( "GHS3D Error, see the " << aLogFileName.ToCString() << " file" );
-
// get problem description from the log file
- SMESH_Comment comment;
- TCollection_AsciiString foundLine;
- if ( findLineContaing( "has expired",aLogFileName,foundLine) &&
- foundLine.Search("Licence") >= 0)
- {
- foundLine.LeftAdjust();
- comment << foundLine;
- }
- if ( findLineContaing( "%% ERROR",aLogFileName,foundLine))
- {
- foundLine.LeftAdjust();
- comment << foundLine;
- }
- if ( findLineContaing( "%% NO SAVING OPERATION",aLogFileName,foundLine))
- {
- comment << "Too many elements generated for a trial version.\n";
- }
- if ( comment.empty() )
- comment << "See " << aLogFileName << " for problem description";
- else
- comment << "See " << aLogFileName << " for more information";
- error(COMPERR_ALGO_FAILED, comment);
+ _Ghs2smdsConvertor conv( aGhs3dIdToNodeMap );
+ storeErrorDescription( aLogFileName, conv );
}
else
{
// the log file is empty
- OSD_File( aLogFileName ).Remove();
+ removeFile( aLogFileName );
INFOS( "GHS3D Error, command '" << cmd.ToCString() << "' failed" );
error(COMPERR_ALGO_FAILED, "ghs3d: command not found" );
}
- if ( !getenv("GHS3D_KEEP_FILES") ) {
- OSD_File( aFacesFileName ).Remove();
- OSD_File( aPointsFileName ).Remove();
- OSD_File( aResultFileName ).Remove();
- OSD_File( aBadResFileName ).Remove();
- OSD_File( aBbResFileName ).Remove();
+ if ( !_keepFiles ) {
+ removeFile( aFacesFileName );
+ removeFile( aPointsFileName );
+ removeFile( aResultFileName );
+ removeFile( aBadResFileName );
+ removeFile( aBbResFileName );
+ removeFile( aSmdsToGhs3dIdMapFileName );
}
- cout << "<" << aResultFileName.ToCString() << "> GHS3D output file ";
+ std::cout << "<" << aResultFileName.ToCString() << "> GHS3D output file ";
if ( !Ok )
- cout << "not ";
- cout << "treated !" << endl;
- cout << endl;
+ std::cout << "not ";
+ std::cout << "treated !" << std::endl;
+ std::cout << std::endl;
_nbShape = 0; // re-initializing _nbShape for the next Compute() method call
delete [] tabShape;
SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
TopoDS_Shape theShape = aHelper->GetSubShape();
- // make a unique working file name
+ // a unique working file name
// to avoid access to the same files by eg different users
-
- TCollection_AsciiString aGenericName, aTmpDir = getTmpDir();
- aGenericName = aTmpDir + "GHS3D_";
-#ifdef WIN32
- aGenericName += GetCurrentProcessId();
-#else
- aGenericName += getpid();
-#endif
- aGenericName += "_";
- aGenericName += meshDS->ShapeToIndex( theShape );
+ TCollection_AsciiString aGenericName
+ = (char*) GHS3DPlugin_Hypothesis::GetFileName(_hyp).c_str();
TCollection_AsciiString aFacesFileName, aPointsFileName, aResultFileName;
TCollection_AsciiString aBadResFileName, aBbResFileName, aLogFileName;
ofstream aFacesFile ( aFacesFileName.ToCString() , ios::out);
ofstream aPointsFile ( aPointsFileName.ToCString() , ios::out);
bool Ok =
-#ifdef WIN32
- aFacesFile->is_open() && aPointsFile->is_open();
-#else
aFacesFile.rdbuf()->is_open() && aPointsFile.rdbuf()->is_open();
-#endif
if (!Ok)
- return error( SMESH_Comment("Can't write into ") << aTmpDir.ToCString());
+ return error( SMESH_Comment("Can't write into ") << aPointsFileName);
+
+ GHS3DPlugin_Hypothesis::TEnforcedVertexValues enforcedVertices;
+ int nbEnforcedVertices = 0;
+ try {
+ enforcedVertices = GHS3DPlugin_Hypothesis::GetEnforcedVertices(_hyp);
+ nbEnforcedVertices = enforcedVertices.size();
+ }
+ catch(...) {
+ }
vector <const SMDS_MeshNode*> aNodeByGhs3dId;
- Ok = (writeFaces ( aFacesFile, meshDS, aNodeByGhs3dId ) &&
- writePoints( aPointsFile, meshDS, aNodeByGhs3dId));
+ StdMeshers_QuadToTriaAdaptor aQuad2Trias;
+ if ( theMesh.NbQuadrangles() > 0 )
+ aQuad2Trias.Compute( theMesh );
+
+ Ok = (writeFaces ( aFacesFile, meshDS, aQuad2Trias, aNodeByGhs3dId ) &&
+ writePoints( aPointsFile, &theMesh, aNodeByGhs3dId,enforcedVertices));
aFacesFile.close();
aPointsFile.close();
if ( ! Ok ) {
- if ( !getenv("GHS3D_KEEP_FILES") ) {
- OSD_File( aFacesFileName ).Remove();
- OSD_File( aPointsFileName ).Remove();
+ if ( !_keepFiles ) {
+ removeFile( aFacesFileName );
+ removeFile( aPointsFileName );
}
return error(COMPERR_BAD_INPUT_MESH);
}
+ removeFile( aResultFileName ); // needed for boundary recovery module usage
// -----------------
- // run ghs3d mesher WIN32???
+ // run ghs3d mesher
// -----------------
- // ghs3d need to know amount of memory it may use (MB).
- // Default memory is defined at ghs3d installation but it may be not enough,
- // so allow to use about all available memory
- TCollection_AsciiString memory;
-#ifdef WIN32
- // ????
-#else
- struct sysinfo si;
- int err = sysinfo( &si );
- if ( !err ) {
- int freeMem = si.totalram * si.mem_unit / 1024 / 1024;
- memory = "-m ";
- memory += int( 0.7 * freeMem );
- }
-#endif
-
- TCollection_AsciiString cmd( "ghs3d " ); // command to run
- cmd +=
- memory + // memory
- " -f " + aGenericName + // file to read
- " 1>" + aLogFileName; // dump into file
-
-
+ TCollection_AsciiString cmd =
+ (char*)GHS3DPlugin_Hypothesis::CommandToRun( _hyp, false ).c_str();
+ cmd += TCollection_AsciiString(" -f ") + aGenericName; // file to read
+ cmd += TCollection_AsciiString(" 1>" ) + aLogFileName; // dump into file
system( cmd.ToCString() ); // run
int fileOpen;
fileOpen = open( aResultFileName.ToCString(), O_RDONLY);
if ( fileOpen < 0 ) {
- cout << endl;
- cout << "Error when opening the " << aResultFileName.ToCString() << " file" << endl;
- cout << endl;
+ std::cout << std::endl;
+ std::cout << "Error when opening the " << aResultFileName.ToCString() << " file" << std::endl;
+ std::cout << "Log: " << aLogFileName << std::endl;
+ std::cout << std::endl;
Ok = false;
}
else {
- Ok = readResultFile( fileOpen, meshDS, theShape ,aNodeByGhs3dId );
+ Ok = readResultFile( fileOpen,
+#ifdef WNT
+ aResultFileName.ToCString(),
+#endif
+ theMesh, theShape ,aNodeByGhs3dId, nbEnforcedVertices );
}
// ---------------------
if ( Ok )
{
- OSD_File( aLogFileName ).Remove();
+ if ( !_keepFiles )
+ removeFile( aLogFileName );
}
else if ( OSD_File( aLogFileName ).Size() > 0 )
{
- INFOS( "GHS3D Error, see the " << aLogFileName.ToCString() << " file" );
-
// get problem description from the log file
- SMESH_Comment comment;
- TCollection_AsciiString foundLine;
- if ( findLineContaing( "has expired",aLogFileName,foundLine) &&
- foundLine.Search("Licence") >= 0)
- {
- foundLine.LeftAdjust();
- comment << foundLine;
- }
- if ( findLineContaing( "%% ERROR",aLogFileName,foundLine))
- {
- foundLine.LeftAdjust();
- comment << foundLine;
- }
- if ( findLineContaing( "%% NO SAVING OPERATION",aLogFileName,foundLine))
- {
- comment << "Too many elements generated for a trial version.\n";
- }
- if ( comment.empty() )
- comment << "See " << aLogFileName << " for problem description";
- else
- comment << "See " << aLogFileName << " for more information";
- error(COMPERR_ALGO_FAILED, comment);
+ _Ghs2smdsConvertor conv( aNodeByGhs3dId );
+ storeErrorDescription( aLogFileName, conv );
}
else {
// the log file is empty
- OSD_File( aLogFileName ).Remove();
+ removeFile( aLogFileName );
INFOS( "GHS3D Error, command '" << cmd.ToCString() << "' failed" );
error(COMPERR_ALGO_FAILED, "ghs3d: command not found" );
}
- if ( !getenv("GHS3D_KEEP_FILES") )
+ if ( !_keepFiles )
{
- OSD_File( aFacesFileName ).Remove();
- OSD_File( aPointsFileName ).Remove();
- OSD_File( aResultFileName ).Remove();
- OSD_File( aBadResFileName ).Remove();
- OSD_File( aBbResFileName ).Remove();
+ removeFile( aFacesFileName );
+ removeFile( aPointsFileName );
+ removeFile( aResultFileName );
+ removeFile( aBadResFileName );
+ removeFile( aBbResFileName );
}
return Ok;
}
-//=============================================================================
+//================================================================================
/*!
- *
+ * \brief Provide human readable text by error code reported by ghs3d
*/
-//=============================================================================
+//================================================================================
-ostream & GHS3DPlugin_GHS3D::SaveTo(ostream & save)
+static string translateError(const int errNum)
{
- return save;
+ switch ( errNum ) {
+ case 0:
+ return "The surface mesh includes a face of type other than edge, "
+ "triangle or quadrilateral. This face type is not supported.";
+ case 1:
+ return "Not enough memory for the face table.";
+ case 2:
+ return "Not enough memory.";
+ case 3:
+ return "Not enough memory.";
+ case 4:
+ return "Face is ignored.";
+ case 5:
+ return "End of file. Some data are missing in the file.";
+ case 6:
+ return "Read error on the file. There are wrong data in the file.";
+ case 7:
+ return "the metric file is inadequate (dimension other than 3).";
+ case 8:
+ return "the metric file is inadequate (values not per vertices).";
+ case 9:
+ return "the metric file contains more than one field.";
+ case 10:
+ return "the number of values in the \".bb\" (metric file) is incompatible with the expected"
+ "value of number of mesh vertices in the \".noboite\" file.";
+ case 12:
+ return "Too many sub-domains.";
+ case 13:
+ return "the number of vertices is negative or null.";
+ case 14:
+ return "the number of faces is negative or null.";
+ case 15:
+ return "A face has a null vertex.";
+ case 22:
+ return "incompatible data.";
+ case 131:
+ return "the number of vertices is negative or null.";
+ case 132:
+ return "the number of vertices is negative or null (in the \".mesh\" file).";
+ case 133:
+ return "the number of faces is negative or null.";
+ case 1000:
+ return "A face appears more than once in the input surface mesh.";
+ case 1001:
+ return "An edge appears more than once in the input surface mesh.";
+ case 1002:
+ return "A face has a vertex negative or null.";
+ case 1003:
+ return "NOT ENOUGH MEMORY.";
+ case 2000:
+ return "Not enough available memory.";
+ case 2002:
+ return "Some initial points cannot be inserted. The surface mesh is probably very bad "
+ "in terms of quality or the input list of points is wrong.";
+ case 2003:
+ return "Some vertices are too close to one another or coincident.";
+ case 2004:
+ return "Some vertices are too close to one another or coincident.";
+ case 2012:
+ return "A vertex cannot be inserted.";
+ case 2014:
+ return "There are at least two points considered as coincident.";
+ case 2103:
+ return "Some vertices are too close to one another or coincident.";
+ case 3000:
+ return "The surface mesh regeneration step has failed.";
+ case 3009:
+ return "Constrained edge cannot be enforced.";
+ case 3019:
+ return "Constrained face cannot be enforced.";
+ case 3029:
+ return "Missing faces.";
+ case 3100:
+ return "No guess to start the definition of the connected component(s).";
+ case 3101:
+ return "The surface mesh includes at least one hole. The domain is not well defined.";
+ case 3102:
+ return "Impossible to define a component.";
+ case 3103:
+ return "The surface edge intersects another surface edge.";
+ case 3104:
+ return "The surface edge intersects the surface face.";
+ case 3105:
+ return "One boundary point lies within a surface face.";
+ case 3106:
+ return "One surface edge intersects a surface face.";
+ case 3107:
+ return "One boundary point lies within a surface edge.";
+ case 3108:
+ return "Insufficient memory ressources detected due to a bad quality surface mesh leading "
+ "to too many swaps.";
+ case 3109:
+ return "Edge is unique (i.e., bounds a hole in the surface).";
+ case 3122:
+ return "Presumably, the surface mesh is not compatible with the domain being processed.";
+ case 3123:
+ return "Too many components, too many sub-domain.";
+ case 3209:
+ return "The surface mesh includes at least one hole. "
+ "Therefore there is no domain properly defined.";
+ case 3300:
+ return "Statistics.";
+ case 3400:
+ return "Statistics.";
+ case 3500:
+ return "Warning, it is dramatically tedious to enforce the boundary items.";
+ case 4000:
+ return "Not enough memory at this time, nevertheless, the program continues. "
+ "The expected mesh will be correct but not really as large as required.";
+ case 4002:
+ return "see above error code, resulting quality may be poor.";
+ case 4003:
+ return "Not enough memory at this time, nevertheless, the program continues (warning).";
+ case 8000:
+ return "Unknown face type.";
+ case 8005:
+ case 8006:
+ return "End of file. Some data are missing in the file.";
+ case 9000:
+ return "A too small volume element is detected.";
+ case 9001:
+ return "There exists at least a null or negative volume element.";
+ case 9002:
+ return "There exist null or negative volume elements.";
+ case 9003:
+ return "A too small volume element is detected. A face is considered being degenerated.";
+ case 9100:
+ return "Some element is suspected to be very bad shaped or wrong.";
+ case 9102:
+ return "A too bad quality face is detected. This face is considered degenerated.";
+ case 9112:
+ return "A too bad quality face is detected. This face is degenerated.";
+ case 9122:
+ return "Presumably, the surface mesh is not compatible with the domain being processed.";
+ case 9999:
+ return "Abnormal error occured, contact hotline.";
+ case 23600:
+ return "Not enough memory for the face table.";
+ case 23601:
+ return "The algorithm cannot run further. "
+ "The surface mesh is probably very bad in terms of quality.";
+ case 23602:
+ return "Bad vertex number.";
+ }
+ return "";
}
-//=============================================================================
+//================================================================================
/*!
- *
+ * \brief Retrieve from a string given number of integers
*/
-//=============================================================================
+//================================================================================
-istream & GHS3DPlugin_GHS3D::LoadFrom(istream & load)
+static char* getIds( char* ptr, int nbIds, vector<int>& ids )
{
- return load;
+ ids.clear();
+ ids.reserve( nbIds );
+ while ( nbIds )
+ {
+ while ( !isdigit( *ptr )) ++ptr;
+ if ( ptr[-1] == '-' ) --ptr;
+ ids.push_back( strtol( ptr, &ptr, 10 ));
+ --nbIds;
+ }
+ return ptr;
}
-//=============================================================================
+//================================================================================
/*!
- *
+ * \brief Retrieve problem description form a log file
+ * \retval bool - always false
*/
-//=============================================================================
+//================================================================================
-ostream & operator << (ostream & save, GHS3DPlugin_GHS3D & hyp)
+bool GHS3DPlugin_GHS3D::storeErrorDescription(const TCollection_AsciiString& logFile,
+ const _Ghs2smdsConvertor & toSmdsConvertor )
{
- return hyp.SaveTo( save );
+ // open file
+#ifdef WNT
+ int file = ::_open (logFile.ToCString(), _O_RDONLY|_O_BINARY);
+#else
+ int file = ::open (logFile.ToCString(), O_RDONLY);
+#endif
+ if ( file < 0 )
+ return error( SMESH_Comment("See ") << logFile << " for problem description");
+
+ // get file size
+// struct stat status;
+// fstat(file, &status);
+// size_t length = status.st_size;
+ off_t length = lseek( file, 0, SEEK_END);
+ lseek( file, 0, SEEK_SET);
+
+ // read file
+ vector< char > buf( length );
+ int nBytesRead = ::read (file, & buf[0], length);
+ ::close (file);
+ char* ptr = & buf[0];
+ char* bufEnd = ptr + nBytesRead;
+
+ SMESH_Comment errDescription;
+
+ enum { NODE = 1, EDGE, TRIA, VOL, ID = 1 };
+
+ // look for errors "ERR #"
+
+ set<string> foundErrorStr; // to avoid reporting same error several times
+ set<int> elemErrorNums; // not to report different types of errors with bad elements
+ while ( ++ptr < bufEnd )
+ {
+ if ( strncmp( ptr, "ERR ", 4 ) != 0 )
+ continue;
+
+ list<const SMDS_MeshElement*> badElems;
+ vector<int> nodeIds;
+
+ ptr += 4;
+ char* errBeg = ptr;
+ int errNum = strtol(ptr, &ptr, 10);
+ switch ( errNum ) { // we treat errors enumerated in [SALOME platform 0019316] issue
+ case 0015:
+ // The face number (numfac) with vertices (f 1, f 2, f 3) has a null vertex.
+ ptr = getIds(ptr, NODE, nodeIds);
+ ptr = getIds(ptr, TRIA, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 1000: // ERR 1000 : 1 3 2
+ // Face (f 1, f 2, f 3) appears more than once in the input surface mesh.
+ ptr = getIds(ptr, TRIA, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 1001:
+ // Edge (e1, e2) appears more than once in the input surface mesh
+ ptr = getIds(ptr, EDGE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 1002:
+ // Face (f 1, f 2, f 3) has a vertex negative or null
+ ptr = getIds(ptr, TRIA, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 2004:
+ // Vertex v1 and vertex v2 are too close to one another or coincident (warning).
+ ptr = getIds(ptr, NODE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ ptr = getIds(ptr, NODE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 2012:
+ // Vertex v1 cannot be inserted (warning).
+ ptr = getIds(ptr, NODE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 2014:
+ // There are at least two points whose distance is dist, i.e., considered as coincident
+ case 2103: // ERR 2103 : 16 WITH 3
+ // Vertex v1 and vertex v2 are too close to one another or coincident (warning).
+ ptr = getIds(ptr, NODE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ ptr = getIds(ptr, NODE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 3009:
+ // Constrained edge (e1, e2) cannot be enforced (warning).
+ ptr = getIds(ptr, EDGE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 3019:
+ // Constrained face (f 1, f 2, f 3) cannot be enforced
+ ptr = getIds(ptr, TRIA, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 3103: // ERR 3103 : 1 2 WITH 7 3
+ // The surface edge (e1, e2) intersects another surface edge (e3, e4)
+ ptr = getIds(ptr, EDGE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ ptr = getIds(ptr, EDGE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 3104: // ERR 3104 : 9 10 WITH 1 2 3
+ // The surface edge (e1, e2) intersects the surface face (f 1, f 2, f 3)
+ ptr = getIds(ptr, EDGE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ ptr = getIds(ptr, TRIA, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 3105: // ERR 3105 : 8 IN 2 3 5
+ // One boundary point (say p1) lies within a surface face (f 1, f 2, f 3)
+ ptr = getIds(ptr, NODE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ ptr = getIds(ptr, TRIA, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 3106:
+ // One surface edge (say e1, e2) intersects a surface face (f 1, f 2, f 3)
+ ptr = getIds(ptr, EDGE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ ptr = getIds(ptr, TRIA, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 3107: // ERR 3107 : 2 IN 4 1
+ // One boundary point (say p1) lies within a surface edge (e1, e2) (stop).
+ ptr = getIds(ptr, NODE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ ptr = getIds(ptr, EDGE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 3109: // ERR 3109 : EDGE 5 6 UNIQUE
+ // Edge (e1, e2) is unique (i.e., bounds a hole in the surface)
+ ptr = getIds(ptr, EDGE, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ break;
+ case 9000: // ERR 9000
+ // ELEMENT 261 WITH VERTICES : 7 396 -8 242
+ // VOLUME : -1.11325045E+11 W.R.T. EPSILON 0.
+ // A too small volume element is detected. Are reported the index of the element,
+ // its four vertex indices, its volume and the tolerance threshold value
+ ptr = getIds(ptr, ID, nodeIds);
+ ptr = getIds(ptr, VOL, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ // even if all nodes found, volume it most probably invisible,
+ // add its faces to demenstrate it anyhow
+ {
+ vector<int> faceNodes( nodeIds.begin(), --nodeIds.end() ); // 012
+ badElems.push_back( toSmdsConvertor.getElement(faceNodes));
+ faceNodes[2] = nodeIds[3]; // 013
+ badElems.push_back( toSmdsConvertor.getElement(faceNodes));
+ faceNodes[1] = nodeIds[2]; // 023
+ badElems.push_back( toSmdsConvertor.getElement(faceNodes));
+ faceNodes[0] = nodeIds[1]; // 123
+ badElems.push_back( toSmdsConvertor.getElement(faceNodes));
+ }
+ break;
+ case 9001: // ERR 9001
+ // %% NUMBER OF NEGATIVE VOLUME TETS : 1
+ // %% THE LARGEST NEGATIVE TET : 1.75376581E+11
+ // %% NUMBER OF NULL VOLUME TETS : 0
+ // There exists at least a null or negative volume element
+ break;
+ case 9002:
+ // There exist n null or negative volume elements
+ break;
+ case 9003:
+ // A too small volume element is detected
+ break;
+ case 9102:
+ // A too bad quality face is detected. This face is considered degenerated,
+ // its index, its three vertex indices together with its quality value are reported
+ break; // same as next
+ case 9112: // ERR 9112
+ // FACE 2 WITH VERTICES : 4 2 5
+ // SMALL INRADIUS : 0.
+ // A too bad quality face is detected. This face is degenerated,
+ // its index, its three vertex indices together with its inradius are reported
+ ptr = getIds(ptr, ID, nodeIds);
+ ptr = getIds(ptr, TRIA, nodeIds);
+ badElems.push_back( toSmdsConvertor.getElement(nodeIds));
+ // add triangle edges as it most probably has zero area and hence invisible
+ {
+ vector<int> edgeNodes(2);
+ edgeNodes[0] = nodeIds[0]; edgeNodes[1] = nodeIds[1]; // 0-1
+ badElems.push_back( toSmdsConvertor.getElement(edgeNodes));
+ edgeNodes[1] = nodeIds[2]; // 0-2
+ badElems.push_back( toSmdsConvertor.getElement(edgeNodes));
+ edgeNodes[0] = nodeIds[1]; // 1-2
+ badElems.push_back( toSmdsConvertor.getElement(edgeNodes));
+ }
+ break;
+ }
+
+ bool isNewError = foundErrorStr.insert( string( errBeg, ptr )).second;
+ if ( !isNewError )
+ continue; // not to report same error several times
+
+// const SMDS_MeshElement* nullElem = 0;
+// bool allElemsOk = ( find( badElems.begin(), badElems.end(), nullElem) == badElems.end());
+
+// if ( allElemsOk && !badElems.empty() && !elemErrorNums.empty() ) {
+// bool oneMoreErrorType = elemErrorNums.insert( errNum ).second;
+// if ( oneMoreErrorType )
+// continue; // not to report different types of errors with bad elements
+// }
+
+ // store bad elements
+ //if ( allElemsOk ) {
+ list<const SMDS_MeshElement*>::iterator elem = badElems.begin();
+ for ( ; elem != badElems.end(); ++elem )
+ addBadInputElement( *elem );
+ //}
+
+ // make error text
+ string text = translateError( errNum );
+ if ( errDescription.find( text ) == text.npos ) {
+ if ( !errDescription.empty() )
+ errDescription << "\n";
+ errDescription << text;
+ }
+
+ } // end while
+
+ if ( errDescription.empty() ) { // no errors found
+ char msg[] = "connection to server failed";
+ if ( search( &buf[0], bufEnd, msg, msg + strlen(msg)) != bufEnd )
+ errDescription << "Licence problems.";
+ }
+
+ if ( errDescription.empty() )
+ errDescription << "See " << logFile << " for problem description";
+ else
+ errDescription << "\nSee " << logFile << " for more information";
+
+ return error( errDescription );
+}
+
+//================================================================================
+/*!
+ * \brief Creates _Ghs2smdsConvertor
+ */
+//================================================================================
+
+_Ghs2smdsConvertor::_Ghs2smdsConvertor( const map <int,const SMDS_MeshNode*> & ghs2NodeMap)
+ :_ghs2NodeMap( & ghs2NodeMap ), _nodeByGhsId( 0 )
+{
+}
+
+//================================================================================
+/*!
+ * \brief Creates _Ghs2smdsConvertor
+ */
+//================================================================================
+
+_Ghs2smdsConvertor::_Ghs2smdsConvertor( const vector <const SMDS_MeshNode*> & nodeByGhsId)
+ : _ghs2NodeMap( 0 ), _nodeByGhsId( &nodeByGhsId )
+{
+}
+
+//================================================================================
+/*!
+ * \brief Return SMDS element by ids of GHS3D nodes
+ */
+//================================================================================
+
+const SMDS_MeshElement* _Ghs2smdsConvertor::getElement(const vector<int>& ghsNodes) const
+{
+ size_t nbNodes = ghsNodes.size();
+ vector<const SMDS_MeshNode*> nodes( nbNodes, 0 );
+ for ( size_t i = 0; i < nbNodes; ++i ) {
+ int ghsNode = ghsNodes[ i ];
+ if ( _ghs2NodeMap ) {
+ map <int,const SMDS_MeshNode*>::const_iterator in = _ghs2NodeMap->find( ghsNode);
+ if ( in == _ghs2NodeMap->end() )
+ return 0;
+ nodes[ i ] = in->second;
+ }
+ else {
+ if ( ghsNode < 1 || ghsNode > _nodeByGhsId->size() )
+ return 0;
+ nodes[ i ] = (*_nodeByGhsId)[ ghsNode-1 ];
+ }
+ }
+ if ( nbNodes == 1 )
+ return nodes[0];
+
+ if ( nbNodes == 2 ) {
+ const SMDS_MeshElement* edge= SMDS_Mesh::FindEdge( nodes[0], nodes[1] );
+ if ( !edge )
+ edge = new SMDS_MeshEdge( nodes[0], nodes[1] );
+ return edge;
+ }
+ if ( nbNodes == 3 ) {
+ const SMDS_MeshElement* face = SMDS_Mesh::FindFace( nodes );
+ if ( !face )
+ face = new SMDS_FaceOfNodes( nodes[0], nodes[1], nodes[2] );
+ return face;
+ }
+ if ( nbNodes == 4 )
+ return new SMDS_VolumeOfNodes( nodes[0], nodes[1], nodes[2], nodes[3] );
+
+ return 0;
}
+
//=============================================================================
/*!
*
*/
//=============================================================================
-
-istream & operator >> (istream & load, GHS3DPlugin_GHS3D & hyp)
+bool GHS3DPlugin_GHS3D::Evaluate(SMESH_Mesh& aMesh,
+ const TopoDS_Shape& aShape,
+ MapShapeNbElems& aResMap)
{
- return hyp.LoadFrom( load );
+ int nbtri = 0, nbqua = 0;
+ double fullArea = 0.0;
+ for (TopExp_Explorer exp(aShape, TopAbs_FACE); exp.More(); exp.Next()) {
+ TopoDS_Face F = TopoDS::Face( exp.Current() );
+ SMESH_subMesh *sm = aMesh.GetSubMesh(F);
+ MapShapeNbElemsItr anIt = aResMap.find(sm);
+ if( anIt==aResMap.end() ) {
+ SMESH_ComputeErrorPtr& smError = sm->GetComputeError();
+ smError.reset( new SMESH_ComputeError(COMPERR_ALGO_FAILED,
+ "Submesh can not be evaluated",this));
+ return false;
+ }
+ std::vector<int> aVec = (*anIt).second;
+ nbtri += Max(aVec[SMDSEntity_Triangle],aVec[SMDSEntity_Quad_Triangle]);
+ nbqua += Max(aVec[SMDSEntity_Quadrangle],aVec[SMDSEntity_Quad_Quadrangle]);
+ GProp_GProps G;
+ BRepGProp::SurfaceProperties(F,G);
+ double anArea = G.Mass();
+ fullArea += anArea;
+ }
+
+ // collect info from edges
+ int nb0d_e = 0, nb1d_e = 0;
+ bool IsQuadratic = false;
+ bool IsFirst = true;
+ TopTools_MapOfShape tmpMap;
+ for (TopExp_Explorer exp(aShape, TopAbs_EDGE); exp.More(); exp.Next()) {
+ TopoDS_Edge E = TopoDS::Edge(exp.Current());
+ if( tmpMap.Contains(E) )
+ continue;
+ tmpMap.Add(E);
+ SMESH_subMesh *aSubMesh = aMesh.GetSubMesh(exp.Current());
+ MapShapeNbElemsItr anIt = aResMap.find(aSubMesh);
+ std::vector<int> aVec = (*anIt).second;
+ nb0d_e += aVec[SMDSEntity_Node];
+ nb1d_e += Max(aVec[SMDSEntity_Edge],aVec[SMDSEntity_Quad_Edge]);
+ if(IsFirst) {
+ IsQuadratic = (aVec[SMDSEntity_Quad_Edge] > aVec[SMDSEntity_Edge]);
+ IsFirst = false;
+ }
+ }
+ tmpMap.Clear();
+
+ double ELen = sqrt(2.* ( fullArea/(nbtri+nbqua*2) ) / sqrt(3.0) );
+
+ GProp_GProps G;
+ BRepGProp::VolumeProperties(aShape,G);
+ double aVolume = G.Mass();
+ double tetrVol = 0.1179*ELen*ELen*ELen;
+ double CoeffQuality = 0.9;
+ int nbVols = int(aVolume/tetrVol/CoeffQuality);
+ int nb1d_f = (nbtri*3 + nbqua*4 - nb1d_e) / 2;
+ int nb1d_in = (int) ( nbVols*6 - nb1d_e - nb1d_f ) / 5;
+ std::vector<int> aVec(SMDSEntity_Last);
+ for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i]=0;
+ if( IsQuadratic ) {
+ aVec[SMDSEntity_Node] = nb1d_in/6 + 1 + nb1d_in;
+ aVec[SMDSEntity_Quad_Tetra] = nbVols - nbqua*2;
+ aVec[SMDSEntity_Quad_Pyramid] = nbqua;
+ }
+ else {
+ aVec[SMDSEntity_Node] = nb1d_in/6 + 1;
+ aVec[SMDSEntity_Tetra] = nbVols - nbqua*2;
+ aVec[SMDSEntity_Pyramid] = nbqua;
+ }
+ SMESH_subMesh *sm = aMesh.GetSubMesh(aShape);
+ aResMap.insert(std::make_pair(sm,aVec));
+
+ return true;
}
+
