+// Copyright (C) 2005 CEA/DEN, EDF R&D, OPEN CASCADE, PRINCIPIA 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 distributed in the hope that it will be useful
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
//=============================================================================
// File : GHS3DPlugin_GHS3D.cxx
// Created :
-// Author : Edward AGAPOV
+// Author : Edward AGAPOV, modified by Lioka RAZAFINDRAZAKA (CEA) 09/02/2007
// Project : SALOME
// Copyright : CEA 2003
// $Header$
#include "GHS3DPlugin_GHS3D.hxx"
#include "SMESH_Gen.hxx"
#include "SMESH_Mesh.hxx"
+#include "SMESH_Comment.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
#include <TopExp_Explorer.hxx>
+#include <OSD_File.hxx>
#include "utilities.h"
-#include <qfile.h>
+#ifndef WIN32
+#include <sys/sysinfo.h>
+#endif
+
+//#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) \
#define DUMP(txt)
#endif
+extern "C"
+{
+#ifndef WNT
+#include <unistd.h>
+#include <sys/mman.h>
+#endif
+#include <sys/stat.h>
+#include <fcntl.h>
+}
+
//=============================================================================
/*!
*
: SMESH_3D_Algo(hypId, studyId, gen)
{
MESSAGE("GHS3DPlugin_GHS3D::GHS3DPlugin_GHS3D");
- _name = "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;
}
//=============================================================================
*/
//=============================================================================
-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,
+ SMESH_Hypothesis::Hypothesis_Status& aStatus )
{
// MESSAGE("GHS3DPlugin_GHS3D::CheckHypothesis");
aStatus = SMESH_Hypothesis::HYP_OK;
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:
//
// NB_ELEMS DUMMY_INT
// Loop from 1 to NB_ELEMS
- // NB_NODES NODE_NB_1 NODE_NB_2 ... (NB_NODES + 1) times: DUMMY_INT
+ // NB_NODES NODE_NB_1 NODE_NB_2 ... (NB_NODES + 1) times: DUMMY_INT
+
+ // 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;
+ list< const SMDS_MeshElement* > faces;
+ // 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 char* space = " ";
+ const int dummyint = 0;
+
+ list< const SMDS_MeshElement* >::iterator f;
+ map< const SMDS_MeshNode*,int >::iterator it;
+ SMDS_ElemIteratorPtr nodeIt;
+ const SMDS_MeshElement* elem;
+ int nbNodes;
+ //int aSmdsID;
+
+ for ( int i = 0; i < faceMap.Extent(); ++i ) {
+ sm = theMesh->MeshElements( faceMap( i+1 ) );
+ if ( sm ) {
+ eIt = sm->GetElements();
+ while ( eIt->more() ) {
+ faces.push_back( eIt->next() );
+ nbFaces++;
+ }
+ }
+ }
- int nbFaces = theMesh->NbFaces();
if ( nbFaces == 0 )
return false;
- const char* space = " ";
- const int dummyint = 0;
+ 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
- SMDS_FaceIteratorPtr it = theMesh->facesIterator();
- while ( it->more() )
+
+ map<const SMDS_MeshNode*,int> aNodeToGhs3dIdMap;
+ f = faces.begin();
+ for ( ; f != faces.end(); ++f )
{
- // NB_NODES
- const SMDS_MeshElement* elem = it->next();
- const int nbNodes = elem->NbNodes();
+ // NB_NODES PER FACE
+ elem = *f;
+ nbNodes = elem->NbNodes();
theFile << space << nbNodes;
// NODE_NB_1 NODE_NB_2 ...
- SMDS_ElemIteratorPtr nodeIt = elem->nodesIterator();
+ nodeIt = elem->nodesIterator();
while ( nodeIt->more() )
{
// find GHS3D ID
- int aSmdsID = nodeIt->next()->GetID();
- map<int,int>::const_iterator 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;
+ const SMDS_MeshNode* node;
+
// NB_NODES
theFile << space << nbNodes << endl;
+ cout << nbNodes << " nodes" << endl;
// Loop from 1 to NB_NODES
- int aGhs3dID = 1;
- SMDS_NodeIteratorPtr it = theMesh->nodesIterator();
- 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 )
{
- const SMDS_MeshNode* 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
}
//=======================================================================
-//function : getInt
+//function : findSolid
//purpose :
//=======================================================================
-static bool getInt( int & theValue, char * & theLine )
-{
- char *ptr;
- theValue = strtol( theLine, &ptr, 10 );
- if ( ptr == theLine ||
- // there must not be neither '.' nor ',' nor 'E' ...
- (*ptr != ' ' && *ptr != '\n' && *ptr != '\0'))
- return false;
-
- DUMP( " " << theValue );
- theLine = ptr;
- return true;
+static TopoDS_Shape findSolid(const SMDS_MeshNode *aNode[],
+ TopoDS_Shape aSolid,
+ 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 (aSolid, aPnt, Precision::Confusion());
+ if ( not(SC.State() == TopAbs_IN) ) {
+ for (iShape = 0; iShape < nShape; iShape++) {
+ aSolid = 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 (aSolid, aPnt, Precision::Confusion());
+ if (SC.State() == TopAbs_IN)
+ break;
+ }
+ }
+ }
+ return aSolid;
}
//=======================================================================
-//function : getDouble
+//function : readMapIntLine
//purpose :
//=======================================================================
-static bool getDouble( double & theValue, char * & theLine )
-{
- char *ptr;
- theValue = strtod( theLine, &ptr );
- if ( ptr == theLine )
- return false;
+static char* readMapIntLine(char* ptr, int tab[]) {
+ long int intVal;
+ cout << endl;
- DUMP( " " << theValue );
- theLine = ptr;
- return true;
+ for ( int i=0; i<17; i++ ) {
+ intVal = strtol(ptr, &ptr, 10);
+ if ( i < 3 )
+ tab[i] = intVal;
+ }
+ return ptr;
}
-
+
//=======================================================================
//function : readLine
//purpose :
#define GHS3DPlugin_ReadLine(aPtr,aBuf,aFile,aLineNb) \
{ aPtr = fgets( aBuf, GHS3DPlugin_BUFLENGTH - 2, aFile ); aLineNb++; DUMP(endl); }
+#include <list>
//=======================================================================
-//function : readResult
+//function : readResultFile
//purpose :
//=======================================================================
-static bool readResult(FILE * theFile,
- SMESHDS_Mesh * theMesh,
- const TopoDS_Shape& theShape,
- map <int,const SMDS_MeshNode*>& theGhs3dIdToNodeMap)
-{
- // structure:
-
- // record 1:
- // NB_ELEMENTS NB_NODES NB_INPUT_NODES (14 DUMMY_INT)
- // record 2:
- // (NB_ELEMENTS * 4) node nbs
- // record 3:
- // (NB_NODES) node XYZ
-
- char aBuffer[ GHS3DPlugin_BUFLENGTH ];
- char * aPtr;
- int aLineNb = 0;
-
- // get shell to set nodes in
- TopExp_Explorer exp( theShape, TopAbs_SHELL );
- TopoDS_Shell aShell = TopoDS::Shell( exp.Current() );
- if ( aShell.IsNull() )
- return false;
+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;
+
+ char *ptr, *mapPtr;
+ char *tetraPtr;
+ char *shapePtr;
+
+ int fileStat;
+ int nbElems, nbNodes, nbInputNodes;
+ int nodeId, triangleId;
+ 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;
+ const SMDS_MeshNode * node[4];
+ map <int,const SMDS_MeshNode*>::iterator IdNode;
+ SMDS_MeshElement* aTet;
+
+// for (int i=0; i<nShape; i++)
+// tabID[i] = 0;
+
+ // 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
+ 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] );
+ theNodeByGhs3dId[ iNode ] = aNewNode;
+ }
+ }
- // ----------------------------------------
- // record 1:
- // read nb of generated elements and nodes
- // ----------------------------------------
- int nbElems = 0 , nbNodes = 0, nbInputNodes = 0;
- GHS3DPlugin_ReadLine( aPtr, aBuffer, theFile, aLineNb );
- if (!aPtr ||
- !getInt( nbElems, aPtr ) ||
- !getInt( nbNodes, aPtr ) ||
- !getInt( nbInputNodes, aPtr))
- return false;
+ // Reading the triangles
+ nbTriangle = strtol(ptr, &ptr, 10);
- // -------------------------------------------
- // record 2:
- // read element nodes and create tetrahedrons
- // -------------------------------------------
- GHS3DPlugin_ReadLine( aPtr, aBuffer, theFile, aLineNb );
- for (int iElem = 0; iElem < nbElems; iElem++)
- {
- // read 4 nodes
- const SMDS_MeshNode * node[4];
- for (int iNode = 0; iNode < 4; iNode++)
- {
- // read Ghs3d node ID
- int ID = 0;
- if (!aPtr || ! getInt ( ID, aPtr ))
- {
- GHS3DPlugin_ReadLine( aPtr, aBuffer, theFile, aLineNb );
- if (!aPtr || ! getInt ( ID, aPtr ))
- {
- MESSAGE( "Cant read " << (iNode+1) << "-th node on line " << aLineNb );
- return false;
- }
- }
- // find/create a node with ID
- map <int,const SMDS_MeshNode*>::iterator IdNode = theGhs3dIdToNodeMap.find( ID );
- if ( IdNode == theGhs3dIdToNodeMap.end())
- {
- // ID is not yet in theGhs3dIdToNodeMap
- ASSERT ( ID > nbInputNodes ); // it should be a new one
- SMDS_MeshNode * aNewNode = theMesh->AddNode( 0.,0.,0. ); // read XYZ later
- theMesh->SetNodeInVolume( aNewNode, aShell );
- theGhs3dIdToNodeMap.insert
- ( map <int,const SMDS_MeshNode*>::value_type( ID, aNewNode ));
- node[ iNode ] = aNewNode;
- }
- else
- {
- node[ iNode ] = (*IdNode).second;
- }
+ 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] );
+ ghs3dShapeID = strtol(shapePtr, &shapePtr, 10);
+ if ( !ghs3dShapeID ) ghs3dShapeID = 1;
+ if ( tabID[ ghs3dShapeID - 1 ] == 0 ) {
+ if (iElem == 0)
+ aSolid = tabShape[0];
+ aSolid = findSolid(node, aSolid, tabShape, tabBox, nShape /*nbTriangle*/);
+ shapeID = theMeshDS->ShapeToIndex( aSolid );
+ tabID[ ghs3dShapeID - 1] = shapeID;
+ }
+ else {
+ shapeID = tabID[ ghs3dShapeID - 1];
}
- // create a tetrahedron
- SMDS_MeshElement* aTet = theMesh->AddVolume( node[0], node[1], node[2], node[3] );
- theMesh->SetMeshElementOnShape( aTet, theShape );
+ theMeshDS->SetMeshElementOnShape( aTet, shapeID );
+ // 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;
+}
+
+//=======================================================================
+//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
+ */
+//================================================================================
- // ------------------------
- // record 3:
- // read and set nodes' XYZ
- // ------------------------
- GHS3DPlugin_ReadLine( aPtr, aBuffer, theFile, aLineNb );
- for (int iNode = 0; iNode < nbNodes; iNode++)
+static bool findLineContaing(const TCollection_AsciiString& theText,
+ const TCollection_AsciiString& theFile,
+ TCollection_AsciiString & theFoundLine)
+{
+ bool found = false;
+ if ( FILE * aFile = fopen( theFile.ToCString(), "r" ))
{
- // read 3 coordinates
- double coord [3];
- for (int iCoord = 0; iCoord < 3; iCoord++)
- {
- if (!aPtr || ! getDouble ( coord[ iCoord ], aPtr ))
- {
- GHS3DPlugin_ReadLine( aPtr, aBuffer, theFile, aLineNb );
- if (!aPtr || ! getDouble ( coord[ iCoord ], aPtr ))
- {
- MESSAGE( "Cant read " << (iCoord+1) << "-th node coord on line " << aLineNb );
- return false;
- }
+ 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;
}
- }
- // do not move old nodes
- int ID = iNode + 1;
- if (ID <= nbInputNodes)
- continue;
- // find a node
- map <int,const SMDS_MeshNode*>::iterator IdNode = theGhs3dIdToNodeMap.find( ID );
- ASSERT ( IdNode != theGhs3dIdToNodeMap.end());
- SMDS_MeshNode* node = const_cast<SMDS_MeshNode*> ( (*IdNode).second );
-
- // set XYZ
- theMesh->MoveNode( node, coord[0], coord[1], coord[2] );
- }
+ } while ( aPtr && !found );
- return nbElems;
+ fclose( aFile );
+ }
+ return found;
}
//=============================================================================
bool GHS3DPlugin_GHS3D::Compute(SMESH_Mesh& theMesh,
const TopoDS_Shape& theShape)
{
- MESSAGE("GHS3DPlugin_GHS3D::Compute");
+ // theShape is a compound of solids as _onlyUnaryInput = false
+ bool Ok(false);
+ SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
- // working dir
- QString aTmpDir ( getenv("SALOME_TMP_DIR") );
- if ( !aTmpDir.isEmpty() ) {
-#ifdef WIN32
- if(aTmpDir.at(aTmpDir.length()-1) != '\\') aTmpDir+='\\';
-#else
- if(aTmpDir.at(aTmpDir.length()-1) != '/') aTmpDir+='/';
-#endif
+ 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 (theShape, TopAbs_SOLID);
+ for (; exp.More(); exp.Next())
+ _nbShape++;
}
- else {
+
+ //_iShape++;
+
+ /*if ( _iShape == _nbShape )*/ {
+
+ // 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 (theShape, 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++;
+ }
+
+ // 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
- aTmpDir = "C:\\";
+ aGenericName += GetCurrentProcessId();
#else
- aTmpDir = "/tmp/";
+ aGenericName += getpid();
#endif
- }
- // a unique name helps to avoid access to the same files by eg different users
- int aUniqueNb;
+ 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);
+ // bool Ok =
+ Ok =
#ifdef WIN32
- aUniqueNb = GetCurrentProcessId();
+ aFacesFile->is_open() && aPointsFile->is_open();
#else
- aUniqueNb = getpid();
+ aFacesFile.rdbuf()->is_open() && aPointsFile.rdbuf()->is_open();
#endif
+ if (!Ok)
+ return error(SMESH_Comment("Can't write into ") << aTmpDir);
+
+ vector <const SMDS_MeshNode*> aNodeByGhs3dId;
- const QString aGenericName = (aTmpDir + ( "GHS3D_%1" )).arg( aUniqueNb );
- const QString aFacesFileName = aGenericName + ".faces";
- const QString aPointsFileName = aGenericName + ".points";
- const QString aResultFileName = aGenericName + ".noboite";
- const QString aErrorFileName = aGenericName + ".log";
+ Ok = ( writeFaces ( aFacesFile, meshDS, theShape, aNodeByGhs3dId ) &&
+ writePoints( aPointsFile, meshDS, aNodeByGhs3dId ));
- // remove old files
- QFile( aFacesFileName ).remove();
- QFile( aPointsFileName ).remove();
- QFile( aResultFileName ).remove();
- QFile( aErrorFileName ).remove();
+ 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);
+ }
+ // -----------------
+ // run ghs3d mesher WIN32???
+ // -----------------
- // -----------------
- // make input files
- // -----------------
+ // 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
- ofstream aFacesFile ( aFacesFileName.latin1() , ios::out);
- ofstream aPointsFile ( aPointsFileName.latin1() , ios::out);
- bool Ok =
+ TCollection_AsciiString memory;
#ifdef WIN32
- aFacesFile->is_open() && aPointsFile->is_open();
+ // ????
#else
- aFacesFile.rdbuf()->is_open() && aPointsFile.rdbuf()->is_open();
+ 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
- if (!Ok)
- {
- MESSAGE( "Can't write into " << aTmpDir << " directory");
- return false;
- }
- SMESHDS_Mesh* meshDS = theMesh.GetMeshDS();
- map <int,int> aSmdsToGhs3dIdMap;
- map <int,const SMDS_MeshNode*> aGhs3dIdToNodeMap;
-
- Ok =
- (writePoints( aPointsFile, meshDS, aSmdsToGhs3dIdMap, aGhs3dIdToNodeMap ) &&
- writeFaces ( aFacesFile, meshDS, aSmdsToGhs3dIdMap ));
- aFacesFile.close();
- aPointsFile.close();
+ OSD_File( aResultFileName ).Remove(); // old file prevents writing a new one
- if ( ! Ok )
- return false;
+ TCollection_AsciiString cmd( "ghs3d " ); // command to run
+ cmd +=
+ memory + // memory
+ " -c 0" // 0 - mesh all components, 1 - keep only the main component
+ " -f " + aGenericName + // file to read
+ " 1>" + aLogFileName; // dump into file
- // -----------------
- // run ghs3d mesher WIN32???
- // -----------------
+ MESSAGE("GHS3DPlugin_GHS3D::Compute() " << cmd );
+ system( cmd.ToCString() ); // run
- QString cmd = "ghs3d "
- "-m 1000 " // memory: 1000 M
- "-f " + aGenericName + // file to read
- " 1>" + aErrorFileName; // dump into file
- if (system(cmd.latin1()))
- {
- MESSAGE ("command failed: " << cmd.latin1() );
- return false;
- }
-
- // --------------
- // read a result
- // --------------
-
- FILE * aResultFile = fopen( aResultFileName.latin1(), "r" );
- if (!aResultFile)
- {
- MESSAGE( "GHS3D ERROR: see " << aErrorFileName.latin1() );
- return false;
- }
-
- Ok = readResult( aResultFile, meshDS, theShape, aGhs3dIdToNodeMap );
- fclose(aResultFile);
-
- if ( Ok ) {
- QFile( aFacesFileName ).remove();
- QFile( aPointsFileName ).remove();
- QFile( aResultFileName ).remove();
- QFile( aErrorFileName ).remove();
- }
- return Ok;
-}
-
-
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
+ cout << endl;
+ cout << "End of Ghs3d execution !" << endl;
-ostream & GHS3DPlugin_GHS3D::SaveTo(ostream & save)
-{
- return save;
-}
+ // --------------
+ // read a result
+ // --------------
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
+ // Mapping the result file
-istream & GHS3DPlugin_GHS3D::LoadFrom(istream & load)
-{
- return load;
-}
+ int fileOpen;
+ fileOpen = open( aResultFileName.ToCString(), O_RDONLY);
+ if ( fileOpen < 0 ) {
+ cout << endl;
+ cout << "Error when opening the " << aResultFileName.ToCString() << " file" << endl;
+ cout << endl;
+ Ok = false;
+ }
+ else {
+ Ok = readResultFile( fileOpen, meshDS, tabShape, tabBox, _nbShape, aNodeByGhs3dId );
+ }
-//=============================================================================
-/*!
- *
- */
-//=============================================================================
+ // ---------------------
+ // remove working files
+ // ---------------------
-ostream & operator << (ostream & save, GHS3DPlugin_GHS3D & hyp)
-{
- return hyp.SaveTo( save );
-}
+ 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
+ {
+ // the log file is empty
+ OSD_File( aLogFileName ).Remove();
+ 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 ( _iShape == _nbShape )*/ {
+ cout << aResultFileName.ToCString() << " Output file ";
+ if ( !Ok )
+ cout << "not ";
+ cout << "treated !" << endl;
+ cout << endl;
+ }
+ }
-istream & operator >> (istream & load, GHS3DPlugin_GHS3D & hyp)
-{
- return hyp.LoadFrom( load );
+ return Ok;
}