#include "GHS3DPlugin_GHS3D.hxx"
#include "SMESH_Gen.hxx"
#include "SMESH_Mesh.hxx"
-#include "SMESH_Comment.hxx"
-#include "SMESH_MesherHelper.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
-#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <OSD_File.hxx>
#include <GProp_GProps.hxx>
#include <Precision.hxx>
-#define castToNode(n) static_cast<const SMDS_MeshNode *>( n );
-
#ifdef _DEBUG_
#define DUMP(txt) \
// cout << txt
MESSAGE("GHS3DPlugin_GHS3D::GHS3DPlugin_GHS3D");
_name = "GHS3D_3D";
_shapeType = (1 << TopAbs_SHELL) | (1 << TopAbs_SOLID);// 1 bit /shape type
+ _onlyUnaryInput = false; // Compute() will be called on a compound of solids
_iShape=0;
_nbShape=0;
}
return true;
}
+//=======================================================================
+//function : findShape
+//purpose :
+//=======================================================================
+
+static TopoDS_Shape findShape(const SMDS_MeshNode *aNode[],
+ 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();
+ }
+ pntCoor[i] /= nbNode;
+ }
+
+ gp_Pnt aPnt(pntCoor[0], pntCoor[1], pntCoor[2]);
+ BRepClass3d_SolidClassifier SC (aShape, aPnt, Precision::Confusion());
+ if ( not(SC.State() == TopAbs_IN) ) {
+ 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]) ) {
+ BRepClass3d_SolidClassifier SC (aShape, aPnt, Precision::Confusion());
+ if (SC.State() == TopAbs_IN)
+ break;
+ }
+ }
+ }
+ return aShape;
+}
+
+//=======================================================================
+//function : readMapIntLine
+//purpose :
+//=======================================================================
+
+static char* readMapIntLine(char* ptr, int tab[]) {
+ long int intVal;
+ cout << endl;
+
+ for ( int i=0; i<17; i++ ) {
+ intVal = strtol(ptr, &ptr, 10);
+ if ( i < 3 )
+ tab[i] = intVal;
+ }
+ return ptr;
+}
+
+//=======================================================================
+//function : countShape
+//purpose :
+//=======================================================================
+
+template < class Mesh, class Shape >
+static int countShape( Mesh* mesh, Shape shape ) {
+ TopExp_Explorer expShape ( mesh->ShapeToMesh(), shape );
+ int nbShape = 0;
+ for ( ; expShape.More(); expShape.Next() ) {
+ nbShape++;
+ }
+ return nbShape;
+}
+
//=======================================================================
//function : writeFaces
//purpose :
// Loop from 1 to NB_ELEMS
// NB_NODES NODE_NB_1 NODE_NB_2 ... (NB_NODES + 1) times: DUMMY_INT
- int nbShape = 0;
-
- TopExp_Explorer expface( theMesh->ShapeToMesh(), TopAbs_FACE );
- for ( ; expface.More(); expface.Next() )
- nbShape++;
+ int nbShape = countShape( theMesh, TopAbs_FACE );
- int tabID[nbShape];
- TopoDS_Shape tabShape[nbShape], aShape;
+ 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 char* space = " ";
theFile << space << theMesh->NbFaces() << space << dummyint << endl;
- expface.ReInit();
+ TopExp_Explorer expface( theMesh->ShapeToMesh(), TopAbs_FACE );
for ( int i = 0; expface.More(); expface.Next(), i++ ) {
tabID[i] = 0;
aShape = expface.Current();
return true;
}
-//=======================================================================
-//function : writeFaces
-//purpose : Write Faces in case if generate 3D mesh w/o geometry
-//=======================================================================
-
-static bool writeFaces (ofstream & theFile,
- SMESHDS_Mesh * theMesh,
- vector <const SMDS_MeshNode*> & theNodeByGhs3dId)
-{
- // record structure:
- //
- // NB_ELEMS DUMMY_INT
- // 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;
- 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++;
- }
-
- if ( nbFaces == 0 )
- return false;
-
- cout << "The initial 2D mesh contains " << nbFaces << " faces and ";
-
- // NB_ELEMS DUMMY_INT
- theFile << space << nbFaces << space << dummyint << endl;
-
- // Loop from 1 to NB_ELEMS
-
- map<const SMDS_MeshNode*,int> aNodeToGhs3dIdMap;
- f = faces.begin();
- for ( ; f != faces.end(); ++f )
- {
- // NB_NODES PER FACE
- elem = *f;
- 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;
- }
-
- // put nodes to theNodeByGhs3dId vector
- theNodeByGhs3dId.resize( aNodeToGhs3dIdMap.size() );
- map<const SMDS_MeshNode*,int>::const_iterator n2id = aNodeToGhs3dIdMap.begin();
- for ( ; n2id != aNodeToGhs3dIdMap.end(); ++ n2id)
- {
- theNodeByGhs3dId[ n2id->second - 1 ] = n2id->first; // ghs3d ids count from 1
- }
-
- return true;
-
-}
-
//=======================================================================
//function : writePoints
//purpose :
return true;
}
-//=======================================================================
-//function : writePoints
-//purpose :
-//=======================================================================
-
-static bool writePoints (ofstream & theFile,
- SMESHDS_Mesh * theMesh,
- const vector <const SMDS_MeshNode*> & theNodeByGhs3dId)
-{
- // 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;
-
- const char* space = " ";
- const int dummyint = 0;
-
- const SMDS_MeshNode* node;
-
- // NB_NODES
- theFile << space << nbNodes << endl;
- cout << nbNodes << " nodes" << endl;
-
- // Loop from 1 to NB_NODES
-
- vector<const SMDS_MeshNode*>::const_iterator nodeIt = theNodeByGhs3dId.begin();
- vector<const SMDS_MeshNode*>::const_iterator after = theNodeByGhs3dId.end();
- for ( ; nodeIt != after; ++nodeIt )
- {
- node = *nodeIt;
-
- // X Y Z DUMMY_INT
- theFile
- << space << node->X()
- << space << node->Y()
- << space << node->Z()
- << space << dummyint;
-
- theFile << endl;
- }
-
- return true;
-}
-
-//=======================================================================
-//function : findShape
-//purpose :
-//=======================================================================
-
-static TopoDS_Shape findShape(const SMDS_MeshNode *aNode[],
- TopoDS_Shape aShape,
- const TopoDS_Shape shape[],
- const double box[][6],
- const int nShape) {
-
- Standard_Real PX, PY, PZ;
- int iShape;
-
- PX = ( aNode[0]->X() + aNode[1]->X() + aNode[2]->X() + aNode[3]->X() ) / 4.0;
- PY = ( aNode[0]->Y() + aNode[1]->Y() + aNode[2]->Y() + aNode[3]->Y() ) / 4.0;
- PZ = ( aNode[0]->Z() + aNode[1]->Z() + aNode[2]->Z() + aNode[3]->Z() ) / 4.0;
- gp_Pnt aPnt(PX, PY, PZ);
-
- BRepClass3d_SolidClassifier SC (aShape, aPnt, Precision::Confusion());
- if ( not(SC.State() == TopAbs_IN) ) {
- for (iShape = 0; iShape < nShape; iShape++) {
- aShape = shape[iShape];
- if ( not( PX < box[iShape][0] || box[iShape][1] < PX ||
- PY < box[iShape][2] || box[iShape][3] < PY ||
- PZ < box[iShape][4] || box[iShape][5] < PZ) ) {
- BRepClass3d_SolidClassifier SC (aShape, aPnt, Precision::Confusion());
- if (SC.State() == TopAbs_IN)
- break;
- }
- }
- }
- return aShape;
-}
-
-//=======================================================================
-//function : readMapIntLine
-//purpose :
-//=======================================================================
-
-static char* readMapIntLine(char* ptr, int tab[]) {
- long int intVal;
- cout << endl;
-
- for ( int i=0; i<17; i++ ) {
- intVal = strtol(ptr, &ptr, 10);
- if ( i < 3 )
- tab[i] = intVal;
- }
- return ptr;
-}
-
//=======================================================================
//function : readResultFile
//purpose :
//=======================================================================
-static bool readResultFile(const int fileOpen,
- SMESHDS_Mesh* theMeshDS,
- TopoDS_Shape aSolid,
- vector <const SMDS_MeshNode*>& theNodeByGhs3dId) {
-
- struct stat status;
- size_t length;
-
- char *ptr, *mapPtr;
- char *tetraPtr;
- char *shapePtr;
-
- int fileStat;
- int nbElems, nbNodes, nbInputNodes;
- int nodeId, triangleId;
- int tab[3];
- int nbTriangle;
- int ID, shapeID;
-
- double coord [3];
-
- SMDS_MeshNode * aNewNode;
- const SMDS_MeshNode * node[4];
- map <int,const SMDS_MeshNode*>::iterator IdNode;
- SMDS_MeshElement* aTet;
-
- // Read the file state
- fileStat = fstat(fileOpen, &status);
- length = status.st_size;
-
- // Mapping the result file into memory
- ptr = (char *) mmap(0,length,PROT_READ,MAP_PRIVATE,fileOpen,0);
- mapPtr = ptr;
-
- ptr = readMapIntLine(ptr, tab);
- tetraPtr = ptr;
-
- nbElems = tab[0];
- nbNodes = tab[1];
- nbInputNodes = tab[2];
-
- theNodeByGhs3dId.resize( nbNodes );
-
- // Reading the nodeId
- for (int i=0; i < 4*nbElems; i++)
- nodeId = strtol(ptr, &ptr, 10);
-
- // 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;
- }
- }
-
- // Reading the triangles
- nbTriangle = strtol(ptr, &ptr, 10);
-
- for (int i=0; i < 3*nbTriangle; i++)
- triangleId = strtol(ptr, &ptr, 10);
-
- shapePtr = ptr;
-
- // Associating the tetrahedrons to the shapes
- for (int iElem = 0; iElem < nbElems; iElem++) {
- for (int iNode = 0; iNode < 4; iNode++) {
- ID = strtol(tetraPtr, &tetraPtr, 10);
- node[ iNode ] = theNodeByGhs3dId[ ID-1 ];
- }
- 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;
- munmap(mapPtr, length);
- close(fileOpen);
- return true;
-}
-
static bool readResultFile(const int fileOpen,
SMESHDS_Mesh* theMeshDS,
TopoDS_Shape tabShape[],
- double tabBox[][6],
+ double** tabBox,
const int nbShape,
map <int,const SMDS_MeshNode*>& theGhs3dIdToNodeMap) {
int fileStat;
int nbElems, nbNodes, nbInputNodes;
int nodeId, triangleId;
- int tab[3], tabID[nbShape];
int nbTriangle;
int ID, shapeID, ghs3dShapeID;
int IdShapeRef = 1;
int compoundID = theMeshDS->ShapeToIndex( theMeshDS->ShapeToMesh() );
- double coord [3];
+ int *tab, *tabID, *nodeID, *nodeAssigne;
+ double *coord;
+ const SMDS_MeshNode **node;
+
+ tab = new int[3];
+ tabID = new int[nbShape];
+ nodeID = new int[4];
+ coord = new double[3];
+ node = new const SMDS_MeshNode*[4];
TopoDS_Shape aSolid;
SMDS_MeshNode * aNewNode;
- const SMDS_MeshNode * node[4];
- map <int,const SMDS_MeshNode*>::iterator IdNode;
+ map <int,const SMDS_MeshNode*>::iterator itOnNode;
SMDS_MeshElement* aTet;
for (int i=0; i<nbShape; i++)
nbNodes = tab[1];
nbInputNodes = tab[2];
+ nodeAssigne = new int[ nbNodes+1 ];
+
// Reading the nodeId
for (int i=0; i < 4*nbElems; i++)
nodeId = strtol(ptr, &ptr, 10);
// Reading the nodeCoor and update the nodeMap
-
for (int iNode=0; iNode < nbNodes; iNode++) {
for (int iCoor=0; iCoor < 3; iCoor++)
coord[ iCoor ] = strtod(ptr, &ptr);
- if ((iNode+1) > nbInputNodes) {
+ nodeAssigne[ iNode+1 ] = 1;
+ if ( (iNode+1) > nbInputNodes ) {
+ nodeAssigne[ iNode+1 ] = 0;
aNewNode = theMeshDS->AddNode( coord[0],coord[1],coord[2] );
- theMeshDS->SetNodeInVolume( aNewNode, compoundID );
theGhs3dIdToNodeMap.insert(make_pair( (iNode+1), aNewNode ));
}
}
- cout << endl;
-
// Reading the number of triangles which corresponds to the number of shapes
nbTriangle = strtol(ptr, &ptr, 10);
for (int iElem = 0; iElem < nbElems; iElem++) {
for (int iNode = 0; iNode < 4; iNode++) {
ID = strtol(tetraPtr, &tetraPtr, 10);
- IdNode = theGhs3dIdToNodeMap.find(ID);
- node[ iNode ] = IdNode->second;
+ itOnNode = theGhs3dIdToNodeMap.find(ID);
+ node[ iNode ] = itOnNode->second;
+ nodeID[ iNode ] = ID;
}
aTet = theMeshDS->AddVolume( node[1], node[0], node[2], node[3] );
if ( nbShape > 1 ) {
else
shapeID = tabID[ ghs3dShapeID ];
}
+ // set new nodes and tetrahedron on to the shape
+ for ( int i=0; i<4; i++ ) {
+ if ( nodeAssigne[ nodeID[i] ] == 0 )
+ theMeshDS->SetNodeInVolume( node[i], shapeID );
+ }
theMeshDS->SetMeshElementOnShape( aTet, shapeID );
if ( (iElem + 1) == nbElems )
cout << nbElems << " tetrahedrons have been associated to " << nbShape << " shapes" << endl;
bool GHS3DPlugin_GHS3D::Compute(SMESH_Mesh& theMesh,
const TopoDS_Shape& theShape)
{
- bool Ok = true;
+ bool Ok(false);
SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
- if (_iShape == 0 && _nbShape == 0) {
- TopExp_Explorer exp (meshDS->ShapeToMesh(), TopAbs_SOLID);
- for (; exp.More(); exp.Next())
- _nbShape++; // we count the number of shapes
- _tabNode = new SMDS_MeshNode*[_nbShape]; // we declare the size of the node array
- }
-
- // to prevent from displaying error message after successful mesh computing,
- // we create one node for each shape theShape.
-
- _tabNode[_iShape] = meshDS->AddNode(0, 0, 0);
- meshDS->SetNodeInVolume( _tabNode[_iShape], meshDS->ShapeToIndex(theShape) );
-
- _iShape++;
-
- if ( _iShape == _nbShape ) {
-
- for (int i=0; i<_nbShape; i++) // we destroy the (_nbShape - 1) nodes created and used
- meshDS->RemoveNode( _tabNode[i] ); // to simulate successful mesh computing.
- delete _tabNode;
-
- // create bounding box for every shape
-
- int iShape = 0;
- TopoDS_Shape tabShape[_nbShape];
- double tabBox[_nbShape][6];
- Standard_Real Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
-
- TopExp_Explorer expBox (meshDS->ShapeToMesh(), TopAbs_SOLID);
- for (; expBox.More(); expBox.Next()) {
- tabShape[iShape] = expBox.Current();
- Bnd_Box BoundingBox;
- BRepBndLib::Add(expBox.Current(), BoundingBox);
- BoundingBox.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
- tabBox[iShape][0] = Xmin; tabBox[iShape][1] = Xmax;
- tabBox[iShape][2] = Ymin; tabBox[iShape][3] = Ymax;
- tabBox[iShape][4] = Zmin; tabBox[iShape][5] = Zmax;
- iShape++;
- }
-
- cout << endl;
- cout << "Ghs3d execution..." << endl;
-
- // make 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 aFacesFileName, aPointsFileName, aResultFileName;
- TCollection_AsciiString aBadResFileName, aBbResFileName, aLogFileName;
- aFacesFileName = aGenericName + ".faces"; // in faces
- aPointsFileName = aGenericName + ".points"; // in points
- aResultFileName = aGenericName + ".noboite";// out points and volumes
- aBadResFileName = aGenericName + ".boite"; // out bad result
- aBbResFileName = aGenericName + ".bb"; // out vertex stepsize
- aLogFileName = aGenericName + ".log"; // log
-
- // -----------------
- // make input files
- // -----------------
-
- ofstream aFacesFile ( aFacesFileName.ToCString() , ios::out);
- 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 false;
- }
- map <int,int> aSmdsToGhs3dIdMap;
- map <int,const SMDS_MeshNode*> aGhs3dIdToNodeMap;
-
- Ok = writePoints( aPointsFile, meshDS, aSmdsToGhs3dIdMap, aGhs3dIdToNodeMap ) &&
- writeFaces ( aFacesFile, meshDS, aSmdsToGhs3dIdMap );
-
- aFacesFile.close();
- aPointsFile.close();
-
- if ( ! Ok ) {
- if ( !getenv("GHS3D_KEEP_FILES") ) {
- OSD_File( aFacesFileName ).Remove();
- OSD_File( aPointsFileName ).Remove();
- }
- return false;
- }
-
- // -----------------
- // run ghs3d mesher WIN32???
- // -----------------
-
- // 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
-
- 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
-
- system( cmd.ToCString() ); // run
-
- cout << endl;
- cout << "End of Ghs3d execution !" << endl;
-
- // --------------
- // read a result
- // --------------
-
- // Mapping the result file
-
- int fileOpen;
- fileOpen = open( aResultFileName.ToCString(), O_RDONLY);
- if ( fileOpen < 0 ) {
- cout << endl;
- cout << "Can't open the " << aResultFileName.ToCString() << " GHS3D output file" << endl;
- Ok = false;
- }
- else
- Ok = readResultFile( fileOpen, meshDS, tabShape, tabBox, _nbShape, aGhs3dIdToNodeMap );
-
- // ---------------------
- // remove working files
- // ---------------------
-
- if ( Ok )
- OSD_File( aLogFileName ).Remove();
- else if ( OSD_File( aLogFileName ).Size() > 0 ) {
- INFOS( "GHS3D Error, see the " << aLogFileName.ToCString() << " file" );
- }
- else {
- OSD_File( aLogFileName ).Remove();
- INFOS( "GHS3D Error, command '" << cmd.ToCString() << "' failed" );
- }
-
- 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 ( _iShape == _nbShape ) {
- cout << aResultFileName.ToCString() << " GHS3D output file ";
- if ( !Ok )
- cout << "not ";
- cout << "treated !" << endl;
- cout << endl;
- }
+ _nbShape = countShape( meshDS, TopAbs_SOLID ); // we count the number of shapes
+
+ // create bounding box for every shape inside the compound
+
+ int iShape = 0;
+ TopoDS_Shape* tabShape;
+ double** tabBox;
+ tabShape = new TopoDS_Shape[_nbShape];
+ tabBox = new double*[_nbShape];
+ for (int i=0; i<_nbShape; i++)
+ 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()) {
+ tabShape[iShape] = expBox.Current();
+ Bnd_Box BoundingBox;
+ BRepBndLib::Add(expBox.Current(), BoundingBox);
+ BoundingBox.Get(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
+ tabBox[iShape][0] = Xmin; tabBox[iShape][1] = Xmax;
+ tabBox[iShape][2] = Ymin; tabBox[iShape][3] = Ymax;
+ tabBox[iShape][4] = Zmin; tabBox[iShape][5] = Zmax;
+ iShape++;
}
- return Ok;
-}
-
-//=============================================================================
-/*!
- *Here we are going to use the GHS3D mesher w/o geometry
- */
-//=============================================================================
-bool GHS3DPlugin_GHS3D::Compute(SMESH_Mesh& theMesh,
- SMESH_MesherHelper* aHelper)
-{
- MESSAGE("GHS3DPlugin_GHS3D::Compute()");
- SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
- TopoDS_Shape theShape = aHelper->GetSubShape();
+ cout << endl;
+ cout << "Ghs3d execution..." << endl;
// make a unique working file name
// to avoid access to the same files by eg different users
// -----------------
ofstream aFacesFile ( aFacesFileName.ToCString() , ios::out);
- ofstream aPointsFile ( aPointsFileName.ToCString() , ios::out);
- bool Ok =
+ 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 false;
+ }
+ map <int,int> aSmdsToGhs3dIdMap;
+ map <int,const SMDS_MeshNode*> aGhs3dIdToNodeMap;
- if (!Ok)
- return error( SMESH_Comment("Can't write into ") << aTmpDir.ToCString());
-
- vector <const SMDS_MeshNode*> aNodeByGhs3dId;
+ Ok = writePoints( aPointsFile, meshDS, aSmdsToGhs3dIdMap, aGhs3dIdToNodeMap ) &&
+ writeFaces ( aFacesFile, meshDS, aSmdsToGhs3dIdMap );
- Ok = (writeFaces ( aFacesFile, meshDS, aNodeByGhs3dId ) &&
- writePoints( aPointsFile, meshDS, aNodeByGhs3dId));
-
aFacesFile.close();
aPointsFile.close();
-
+
if ( ! Ok ) {
if ( !getenv("GHS3D_KEEP_FILES") ) {
OSD_File( aFacesFileName ).Remove();
OSD_File( aPointsFileName ).Remove();
}
- return error(COMPERR_BAD_INPUT_MESH);
+ return false;
}
// -----------------
// 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
+#ifndef WIN32
struct sysinfo si;
int err = sysinfo( &si );
- if ( !err ) {
+ if ( err == 0 ) {
int freeMem = si.totalram * si.mem_unit / 1024 / 1024;
memory = "-m ";
memory += int( 0.7 * freeMem );
}
#endif
-
+
+ MESSAGE("GHS3DPlugin_GHS3D::Compute");
TCollection_AsciiString cmd( "ghs3d " ); // command to run
cmd +=
- memory + // memory
- " -f " + aGenericName + // file to read
- " 1>" + aLogFileName; // dump into file
-
-
-
+ memory + // memory
+ " -c0 -f " + aGenericName + // file to read
+ " 1>" + aLogFileName; // dump into file
+
system( cmd.ToCString() ); // run
+ cout << endl;
+ cout << "End of Ghs3d execution !" << endl;
+
// --------------
// read a result
// --------------
+
+ // Mapping the result file
+
int fileOpen;
fileOpen = open( aResultFileName.ToCString(), O_RDONLY);
if ( fileOpen < 0 ) {
cout << endl;
- cout << "Error when opening the " << aResultFileName.ToCString() << " file" << endl;
- cout << endl;
+ cout << "Can't open the " << aResultFileName.ToCString() << " GHS3D output file" << endl;
Ok = false;
}
- else {
- Ok = readResultFile( fileOpen, meshDS, theShape ,aNodeByGhs3dId );
- }
-
+ else
+ Ok = readResultFile( fileOpen, meshDS, tabShape, tabBox, _nbShape, aGhs3dIdToNodeMap );
+
// ---------------------
// remove working files
// ---------------------
- if ( Ok ) {
+ if ( Ok )
OSD_File( aLogFileName ).Remove();
- }
else if ( OSD_File( aLogFileName ).Size() > 0 ) {
- Ok = error( SMESH_Comment("See ")<< aLogFileName.ToCString() );
+ INFOS( "GHS3D Error, see the " << aLogFileName.ToCString() << " file" );
}
else {
OSD_File( aLogFileName ).Remove();
+ INFOS( "GHS3D Error, command '" << cmd.ToCString() << "' failed" );
}
- if ( !getenv("GHS3D_KEEP_FILES") )
- {
+ 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();
}
-
+ cout << "<" << aResultFileName.ToCString() << "> GHS3D output file ";
+ if ( !Ok )
+ cout << "not ";
+ cout << "treated !" << endl;
+ cout << endl;
+
+ _nbShape = 0; // re-initializing _nbShape for the next Compute() method call
return Ok;
}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+ostream & GHS3DPlugin_GHS3D::SaveTo(ostream & save)
+{
+ return save;
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+istream & GHS3DPlugin_GHS3D::LoadFrom(istream & load)
+{
+ return load;
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+ostream & operator << (ostream & save, GHS3DPlugin_GHS3D & hyp)
+{
+ return hyp.SaveTo( save );
+}
+
+//=============================================================================
+/*!
+ *
+ */
+//=============================================================================
+
+istream & operator >> (istream & load, GHS3DPlugin_GHS3D & hyp)
+{
+ return hyp.LoadFrom( load );
+}
