return false;
}
+//=============================================================================
+/*!
+ * SMESH_Gen_i::Precompute
+ *
+ * Compute mesh as preview till indicated dimension on shape
+ */
+//=============================================================================
+
+SMESH::MeshPreviewStruct* SMESH_Gen_i::Precompute( SMESH::SMESH_Mesh_ptr theMesh,
+ GEOM::GEOM_Object_ptr theShapeObject,
+ SMESH::Dimension theDimension,
+ SMESH::long_array& theShapesId)
+ throw ( SALOME::SALOME_Exception )
+{
+ Unexpect aCatch(SALOME_SalomeException);
+ if(MYDEBUG) MESSAGE( "SMESH_Gen_i::Precompute" );
+
+ if ( CORBA::is_nil( theShapeObject ) && theMesh->HasShapeToMesh())
+ THROW_SALOME_CORBA_EXCEPTION( "bad shape object reference",
+ SALOME::BAD_PARAM );
+
+ if ( CORBA::is_nil( theMesh ) )
+ THROW_SALOME_CORBA_EXCEPTION( "bad Mesh reference",
+ SALOME::BAD_PARAM );
+
+ SMESH::MeshPreviewStruct_var result = 0;
+ try {
+ // get mesh servant
+ SMESH_Mesh_i* meshServant = dynamic_cast<SMESH_Mesh_i*>( GetServant( theMesh ).in() );
+ ASSERT( meshServant );
+ if ( meshServant ) {
+ // NPAL16168: "geometrical group edition from a submesh don't modifiy mesh computation"
+ meshServant->CheckGeomGroupModif();
+ // get local TopoDS_Shape
+ TopoDS_Shape myLocShape;
+ if(theMesh->HasShapeToMesh())
+ myLocShape = GeomObjectToShape( theShapeObject );
+ else
+ return result._retn();;
+
+ // call implementation compute
+ ::SMESH_Mesh& myLocMesh = meshServant->GetImpl();
+ TSetOfInt shapeIds;
+ ::MeshDimension aDim = (MeshDimension)theDimension;
+ if ( myGen.Compute( myLocMesh, myLocShape, false, aDim, &shapeIds ) )
+ {
+ int nbShapeId = shapeIds.size();
+ theShapesId.length( nbShapeId );
+ // iterates on shapes and collect mesh entities into mesh preview
+ result = new SMESH::MeshPreviewStruct;
+ TSetOfInt::const_iterator idIt = shapeIds.begin();
+ TSetOfInt::const_iterator idEnd = shapeIds.end();
+ std::map< int, int > mapOfShIdNb;
+ std::set< SMESH_TLink > setOfEdge;
+ std::list< SMDSAbs_ElementType > listOfElemType;
+ typedef map<const SMDS_MeshElement*, int > TNode2LocalIDMap;
+ typedef TNode2LocalIDMap::iterator TNodeLocalID;
+ TNode2LocalIDMap mapNode2LocalID;
+ list< TNodeLocalID > connectivity;
+ int i, nbConnNodes = 0;
+ std::set< const SMESH_subMesh* > setOfVSubMesh;
+ // iterates on shapes
+ for ( ; idIt != idEnd; idIt++ )
+ {
+ if ( mapOfShIdNb.find( *idIt ) != mapOfShIdNb.end() )
+ continue;
+ SMESH_subMesh* sm = myLocMesh.GetSubMeshContaining(*idIt);
+ if ( !sm || !sm->IsMeshComputed() )
+ continue;
+
+ const TopoDS_Shape& aSh = sm->GetSubShape();
+ const int shDim = myGen.GetShapeDim( aSh );
+ if ( shDim < 1 || shDim > theDimension )
+ continue;
+
+ mapOfShIdNb[ *idIt ] = 0;
+ theShapesId[ mapOfShIdNb.size() - 1 ] = *idIt;
+
+ SMESHDS_SubMesh* smDS = sm->GetSubMeshDS();
+ if ( !smDS ) continue;
+
+ if ( theDimension == SMESH::DIM_2D )
+ {
+ SMDS_ElemIteratorPtr faceIt = smDS->GetElements();
+ while ( faceIt->more() )
+ {
+ const SMDS_MeshElement* face = faceIt->next();
+ int aNbNode = face->NbNodes();
+ if ( aNbNode > 4 )
+ aNbNode /= 2; // do not take into account additional middle nodes
+
+ SMDS_MeshNode* node1 = (SMDS_MeshNode*)face->GetNode( 1 );
+ for ( int nIndx = 1; nIndx <= aNbNode; nIndx++ )
+ {
+ SMDS_MeshNode* node2 = (SMDS_MeshNode*)face->GetNode( nIndx < aNbNode ? nIndx+1 : 1 );
+ if ( setOfEdge.insert( SMESH_TLink ( node1, node2 ) ).second )
+ {
+ listOfElemType.push_back( SMDSAbs_Edge );
+ connectivity.push_back
+ ( mapNode2LocalID.insert( make_pair( node1, ++nbConnNodes)).first );
+ connectivity.push_back
+ ( mapNode2LocalID.insert( make_pair( node2, ++nbConnNodes)).first );
+ }
+ node1 = node2;
+ }
+ }
+ }
+ else if ( theDimension == SMESH::DIM_1D )
+ {
+ SMDS_NodeIteratorPtr nodeIt = smDS->GetNodes();
+ while ( nodeIt->more() )
+ {
+ listOfElemType.push_back( SMDSAbs_Node );
+ connectivity.push_back
+ ( mapNode2LocalID.insert( make_pair( nodeIt->next(), ++nbConnNodes)).first );
+ }
+ // add corner nodes by first vertex from edge
+ SMESH_subMeshIteratorPtr edgeSmIt =
+ sm->getDependsOnIterator(/*includeSelf*/false,
+ /*complexShapeFirst*/false);
+ while ( edgeSmIt->more() )
+ {
+ SMESH_subMesh* vertexSM = edgeSmIt->next();
+ // check that vertex is not already treated
+ if ( !setOfVSubMesh.insert( vertexSM ).second )
+ continue;
+ if ( vertexSM->GetSubShape().ShapeType() != TopAbs_VERTEX )
+ continue;
+
+ const SMESHDS_SubMesh* vertexSmDS = vertexSM->GetSubMeshDS();
+ SMDS_NodeIteratorPtr nodeIt = vertexSmDS->GetNodes();
+ while ( nodeIt->more() )
+ {
+ listOfElemType.push_back( SMDSAbs_Node );
+ connectivity.push_back
+ ( mapNode2LocalID.insert( make_pair( nodeIt->next(), ++nbConnNodes)).first );
+ }
+ }
+ }
+ }
+
+ // fill node coords and assign local ids to the nodes
+ int nbNodes = mapNode2LocalID.size();
+ result->nodesXYZ.length( nbNodes );
+ TNodeLocalID node2ID = mapNode2LocalID.begin();
+ for ( i = 0; i < nbNodes; ++i, ++node2ID ) {
+ node2ID->second = i;
+ const SMDS_MeshNode* node = (const SMDS_MeshNode*) node2ID->first;
+ result->nodesXYZ[i].x = node->X();
+ result->nodesXYZ[i].y = node->Y();
+ result->nodesXYZ[i].z = node->Z();
+ }
+ // fill connectivity
+ result->elementConnectivities.length( nbConnNodes );
+ list< TNodeLocalID >::iterator connIt = connectivity.begin();
+ for ( i = 0; i < nbConnNodes; ++i, ++connIt ) {
+ result->elementConnectivities[i] = (*connIt)->second;
+ }
+
+ // fill element types
+ result->elementTypes.length( listOfElemType.size() );
+ std::list< SMDSAbs_ElementType >::const_iterator typeIt = listOfElemType.begin();
+ std::list< SMDSAbs_ElementType >::const_iterator typeEnd = listOfElemType.end();
+ for ( i = 0; typeIt != typeEnd; ++i, ++typeIt )
+ {
+ SMDSAbs_ElementType elemType = *typeIt;
+ result->elementTypes[i].SMDS_ElementType = (SMESH::ElementType)elemType;
+ result->elementTypes[i].isPoly = false;
+ result->elementTypes[i].nbNodesInElement = elemType == SMDSAbs_Edge ? 2 : 1;
+ }
+
+ // correct number of shapes
+ theShapesId.length( mapOfShIdNb.size() );
+ }
+ }
+ }
+ catch ( std::bad_alloc ) {
+ INFOS( "Precompute(): lack of memory" );
+ }
+ catch ( SALOME_Exception& S_ex ) {
+ INFOS( "Precompute(): catch exception "<< S_ex.what() );
+ }
+ catch ( ... ) {
+ INFOS( "Precompute(): unknown exception " );
+ }
+ return result._retn();
+}
+
//================================================================================
/*!
* \brief Return geometrical object the given element is built on
// "Nodes on Faces" - ID of node on face
// "Face U positions" - U parameter of node on face
// "Face V positions" - V parameter of node on face
- char* aEid_DSName = "Nodes on Edges";
- char* aEu_DSName = "Edge positions";
- char* aFu_DSName = "Face U positions";
+ const char* aEid_DSName = "Nodes on Edges";
+ const char* aEu_DSName = "Edge positions";
+ const char* aFu_DSName = "Face U positions";
//char* aFid_DSName = "Nodes on Faces";
//char* aFv_DSName = "Face V positions";
