#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
- _iShape=0;
- _nbShape=0;
+ _onlyUnaryInput = false; // Compute() will be called on a compound of solids
+// _iShape=0;
+// _nbShape=0;
}
//=============================================================================
return true;
}
-//=======================================================================
-//function : writeFaces
-//purpose :
-//=======================================================================
+//================================================================================
+/*!
+ * \brief Write faces bounding theShape to file
+ */
+//================================================================================
-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 <const SMDS_MeshNode*> & theNodeByGhs3dId)
{
// record structure:
//
// get all faces bound to theShape
+ // Solids in the ShapeToMesh() can be meshed by different meshers,
+ // so we take faces only from the given shape
+ //TopoDS_Shape theShape = theMesh->ShapeToMesh();
int nbFaces = 0;
- TopoDS_Shape theShape = theMesh->ShapeToMesh();
list< const SMDS_MeshElement* > faces;
- TopExp_Explorer fExp( theShape, TopAbs_FACE );
+ // Use TopTools_IndexedMapOfShape in order not to take twice mesh faces from
+ // a geom face shared by two solids
+ TopTools_IndexedMapOfShape faceMap;
+ TopExp::MapShapes( theShape, TopAbs_FACE, faceMap );
SMESHDS_SubMesh* sm;
SMDS_ElemIteratorPtr eIt;
const int dummyint = 0;
list< const SMDS_MeshElement* >::iterator f;
- map<int,int>::const_iterator it;
+ map< const SMDS_MeshNode*,int >::iterator it;
SMDS_ElemIteratorPtr nodeIt;
const SMDS_MeshElement* elem;
int nbNodes;
- int aSmdsID;
+ //int aSmdsID;
- for ( ; fExp.More(); fExp.Next() ) {
- sm = theMesh->MeshElements( fExp.Current() );
+ for ( int i = 0; i < faceMap.Extent(); ++i ) {
+ sm = theMesh->MeshElements( faceMap( i+1 ) );
if ( sm ) {
eIt = sm->GetElements();
while ( eIt->more() ) {
if ( nbFaces == 0 )
return false;
- cout << nbFaces << " triangles" << endl;
+ 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 )
{
while ( nodeIt->more() )
{
// find GHS3D ID
- aSmdsID = nodeIt->next()->GetID();
- it = theSmdsToGhs3dIdMap.find( aSmdsID );
- ASSERT( it != theSmdsToGhs3dIdMap.end() );
- theFile << space << (*it).second;
+ 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
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;
}
//purpose :
//=======================================================================
-static bool writePoints (ofstream & theFile,
- SMESHDS_Mesh * theMesh,
- map <int,int> & theSmdsToGhs3dIdMap,
- map <int,const SMDS_MeshNode*> & theGhs3dIdToNodeMap)
+static bool writePoints (ofstream & theFile,
+ SMESHDS_Mesh * theMesh,
+ const vector <const SMDS_MeshNode*> & theNodeByGhs3dId)
{
// record structure:
//
// Loop from 1 to NB_NODES
// X Y Z DUMMY_INT
- int nbNodes = theMesh->NbNodes();
+ //int nbNodes = theMesh->NbNodes();
+ int nbNodes = theNodeByGhs3dId.size();
if ( nbNodes == 0 )
return false;
const char* space = " ";
const int dummyint = 0;
- int aGhs3dID = 1;
- SMDS_NodeIteratorPtr it = theMesh->nodesIterator();
const SMDS_MeshNode* node;
// NB_NODES
theFile << space << nbNodes << endl;
- cout << "The initial 2D mesh contains " << nbNodes << " nodes and ";
+ cout << nbNodes << " nodes" << endl;
// Loop from 1 to NB_NODES
- while ( it->more() )
+ vector<const SMDS_MeshNode*>::const_iterator nodeIt = theNodeByGhs3dId.begin();
+ vector<const SMDS_MeshNode*>::const_iterator after = theNodeByGhs3dId.end();
+ for ( ; nodeIt != after; ++nodeIt )
{
- node = it->next();
- theSmdsToGhs3dIdMap.insert( map <int,int>::value_type( node->GetID(), aGhs3dID ));
- theGhs3dIdToNodeMap.insert (map <int,const SMDS_MeshNode*>::value_type( aGhs3dID, node ));
- aGhs3dID++;
+ node = *nodeIt;
// X Y Z DUMMY_INT
theFile
#define GHS3DPlugin_ReadLine(aPtr,aBuf,aFile,aLineNb) \
{ aPtr = fgets( aBuf, GHS3DPlugin_BUFLENGTH - 2, aFile ); aLineNb++; DUMP(endl); }
-
+#include <list>
//=======================================================================
//function : readResultFile
//purpose :
//=======================================================================
-static bool readResultFile(const int fileOpen,
- SMESHDS_Mesh* theMeshDS,
- TopoDS_Shape tabShape[],
- double tabBox[][6],
- const int nShape,
- map <int,const SMDS_MeshNode*>& theGhs3dIdToNodeMap) {
+static bool readResultFile(const int fileOpen,
+ SMESHDS_Mesh* theMeshDS,
+ TopoDS_Shape tabShape[],
+ double tabBox[][6],
+ const int nShape,
+ vector <const SMDS_MeshNode*>& theNodeByGhs3dId) {
struct stat status;
size_t length;
int fileStat;
int nbElems, nbNodes, nbInputNodes;
int nodeId, triangleId;
- int tab[3], tabID[nShape];
+ int tab[3]/*, tabID[nShape]*/;
int nbTriangle;
int ID, shapeID, ghs3dShapeID;
double coord [3];
+ vector< int > tabID (nShape, 0);
TopoDS_Shape aSolid;
SMDS_MeshNode * aNewNode;
map <int,const SMDS_MeshNode*>::iterator IdNode;
SMDS_MeshElement* aTet;
- for (int i=0; i<nShape; i++)
- tabID[i] = 0;
+// for (int i=0; i<nShape; i++)
+// tabID[i] = 0;
// Read the file state
fileStat = fstat(fileOpen, &status);
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);
coord[ iCoor ] = strtod(ptr, &ptr);
if ((iNode+1) > nbInputNodes) {
aNewNode = theMeshDS->AddNode( coord[0],coord[1],coord[2] );
- theGhs3dIdToNodeMap.insert(make_pair( (iNode+1), aNewNode ));
+ theNodeByGhs3dId[ iNode ] = aNewNode;
}
}
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;
+ node[ iNode ] = theNodeByGhs3dId[ ID-1 ];
}
aTet = theMeshDS->AddVolume( node[1], node[0], node[2], node[3] );
ghs3dShapeID = strtol(shapePtr, &shapePtr, 10);
if ( tabID[ ghs3dShapeID - 1 ] == 0 ) {
if (iElem == 0)
aSolid = tabShape[0];
- aSolid = findSolid(node, aSolid, tabShape, tabBox, nbTriangle);
+ aSolid = findSolid(node, aSolid, tabShape, tabBox, nShape /*nbTriangle*/);
shapeID = theMeshDS->ShapeToIndex( aSolid );
tabID[ ghs3dShapeID - 1] = shapeID;
}
- else
+ else {
shapeID = tabID[ ghs3dShapeID - 1];
+ }
theMeshDS->SetMeshElementOnShape( aTet, shapeID );
- if ( (iElem + 1) == nbElems )
- cout << nbElems << " tetrahedrons have been associated to " << nbTriangle << " shapes" << endl;
+ // set new nodes on to the shape
+ SMDS_ElemIteratorPtr nodeIt = aTet->nodesIterator();
+ while ( nodeIt->more() ) {
+ const SMDS_MeshNode * n = castToNode( nodeIt->next() );
+ if ( !n->GetPosition()->GetShapeId() )
+ theMeshDS->SetNodeInVolume( n, shapeID );
+ }
}
+ if ( nbElems )
+ cout << nbElems << " tetrahedrons have been associated to " << nbTriangle << " shapes" << endl;
munmap(mapPtr, length);
close(fileOpen);
return true;
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;
+}
+
//================================================================================
/*!
* \brief Decrease amount of memory GHS3D may use until it can allocate it
*/
//================================================================================
-static bool adjustMemory(int & nbMB, const TCollection_AsciiString & aLogFileName)
+static void adjustMemory(int & nbMB, const TCollection_AsciiString & aLogFileName)
{
TCollection_AsciiString cmd( "ghs3d -m " );
cmd += nbMB;
system( cmd.ToCString() ); // run
// analyse log file
-
- FILE * aLogFile = fopen( aLogFileName.ToCString(), "r" );
- if ( aLogFile )
+ TCollection_AsciiString foundLine;
+ if ( findLineContaing( "UNABLE TO ALLOCATE MEMORY",aLogFileName,foundLine))
{
- bool memoryOK = true;
- char * aPtr;
- char aBuffer[ GHS3DPlugin_BUFLENGTH ];
- int aLineNb = 0;
- do {
- GHS3DPlugin_ReadLine( aPtr, aBuffer, aLogFile, aLineNb );
- if ( aPtr ) {
- TCollection_AsciiString line( aPtr );
- if ( line.Search( "UNABLE TO ALLOCATE MEMORY" ) > 0 )
- memoryOK = false;
- }
- } while ( aPtr && memoryOK );
-
- fclose( aLogFile );
-
- if ( !memoryOK ) {
- nbMB *= 0.75;
- return adjustMemory( nbMB, aLogFileName );
- }
- return true;
+ nbMB = int( double(nbMB) * 0.75 );
+ adjustMemory( nbMB, aLogFileName );
}
- return false;
}
//=============================================================================
bool GHS3DPlugin_GHS3D::Compute(SMESH_Mesh& theMesh,
const TopoDS_Shape& theShape)
{
+ // theShape is a compound of solids as _onlyUnaryInput = false
bool Ok(false);
SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
- if (_iShape == 0 && _nbShape == 0) {
+ int _nbShape = 0;
+ /*if (_iShape == 0 && _nbShape == 0)*/ {
cout << endl;
cout << "Ghs3d execution..." << endl;
cout << endl;
-
- TopExp_Explorer exp (meshDS->ShapeToMesh(), TopAbs_SOLID);
+
+ //TopExp_Explorer exp (meshDS->ShapeToMesh(), TopAbs_SOLID);
+ TopExp_Explorer exp (theShape, TopAbs_SOLID);
for (; exp.More(); exp.Next())
_nbShape++;
}
+
+ //_iShape++;
- _iShape++;
-
- if ( _iShape == _nbShape ) {
+ /*if ( _iShape == _nbShape )*/ {
// create bounding box for every shape
double tabBox[_nbShape][6];
Standard_Real Xmin, Ymin, Zmin, Xmax, Ymax, Zmax;
- TopExp_Explorer expBox (meshDS->ShapeToMesh(), TopAbs_SOLID);
+ TopExp_Explorer expBox (theShape, TopAbs_SOLID);
for (; expBox.More(); expBox.Next()) {
tabShape[iShape] = expBox.Current();
Bnd_Box BoundingBox;
aFacesFile.rdbuf()->is_open() && aPointsFile.rdbuf()->is_open();
#endif
if (!Ok)
- return error(dfltErr(), SMESH_Comment("Can't write into ") << aTmpDir.ToCString());
+ return error(dfltErr(), SMESH_Comment("Can't write into ") << aTmpDir);
- map <int,int> aSmdsToGhs3dIdMap;
- map <int,const SMDS_MeshNode*> aGhs3dIdToNodeMap;
+ vector <const SMDS_MeshNode*> aNodeByGhs3dId;
- Ok = writePoints( aPointsFile, meshDS, aSmdsToGhs3dIdMap, aGhs3dIdToNodeMap ) &&
- writeFaces ( aFacesFile, meshDS, aSmdsToGhs3dIdMap );
+ Ok = ( writeFaces ( aFacesFile, meshDS, theShape, aNodeByGhs3dId ) &&
+ writePoints( aPointsFile, meshDS, aNodeByGhs3dId ));
aFacesFile.close();
aPointsFile.close();
// so allow to use about all available memory
TCollection_AsciiString memory;
-#ifndef WIN32
+#ifdef WIN32
+ // ????
+#else
struct sysinfo si;
int err = sysinfo( &si );
- if ( err == 0 ) {
- int MB = 0.9 * ( si.freeram + si.freeswap ) * si.mem_unit / 1024 / 1024;
+ if ( !err ) {
+ int MB = ( si.freeram + si.freeswap ) * si.mem_unit / 1024 / 1024;
+ MB = int( double( MB ) * 0.9 );
adjustMemory( MB, aLogFileName );
memory = "-m ";
memory += MB;
}
#endif
- MESSAGE("GHS3DPlugin_GHS3D::Compute");
+ OSD_File( aResultFileName ).Remove(); // old file prevents writing a new one
+
TCollection_AsciiString cmd( "ghs3d " ); // command to run
cmd +=
- memory + // memory
- " -c0 -f " + aGenericName + // file to read
- " 1>" + aLogFileName; // dump into file
+ memory + // memory
+ " -c 0" // 0 - mesh all components, 1 - keep only the main component
+ " -f " + aGenericName + // file to read
+ " 1>" + aLogFileName; // dump into file
+ MESSAGE("GHS3DPlugin_GHS3D::Compute() " << cmd );
system( cmd.ToCString() ); // run
cout << endl;
cout << endl;
Ok = false;
}
- else
- Ok = readResultFile( fileOpen, meshDS, tabShape, tabBox, _nbShape, aGhs3dIdToNodeMap );
+ else {
+ Ok = readResultFile( fileOpen, meshDS, tabShape, tabBox, _nbShape, aNodeByGhs3dId );
+ }
// ---------------------
// remove working files
// ---------------------
- if ( Ok ) {
- OSD_File( aLogFileName ).Remove();
+ if ( Ok )
+ {
+ OSD_File( aLogFileName ).Remove();
+ }
+ else if ( OSD_File( aLogFileName ).Size() > 0 )
+ {
+ // 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);
}
- else if ( OSD_File( aLogFileName ).Size() > 0 ) {
- Ok = error(dfltErr(), SMESH_Comment("See ")<< aLogFileName.ToCString() );
+ else
+ {
+ // the log file is empty
+ OSD_File( aLogFileName ).Remove();
+ error(COMPERR_ALGO_FAILED, "ghs3d: command not found" );
}
- else {
- OSD_File( aLogFileName ).Remove();
+
+ 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();
}
}
+
return Ok;
}
