return true;
}
+
+//=======================================================================
+//function : Evaluate
+//purpose :
+//=======================================================================
+
+bool StdMeshers_Projection_1D::Evaluate(SMESH_Mesh& theMesh,
+ const TopoDS_Shape& theShape,
+ MapShapeNbElems& aResMap)
+{
+ if ( !_sourceHypo )
+ return false;
+
+ SMESH_Mesh * srcMesh = _sourceHypo->GetSourceMesh();
+ SMESH_Mesh * tgtMesh = & theMesh;
+ if ( !srcMesh )
+ srcMesh = tgtMesh;
+
+ SMESHDS_Mesh * meshDS = theMesh.GetMeshDS();
+
+ // ---------------------------
+ // Make subshapes association
+ // ---------------------------
+
+ TopoDS_Edge srcEdge, tgtEdge = TopoDS::Edge( theShape.Oriented(TopAbs_FORWARD));
+ TopoDS_Shape srcShape = _sourceHypo->GetSourceEdge().Oriented(TopAbs_FORWARD);
+
+ TAssocTool::TShapeShapeMap shape2ShapeMap;
+ TAssocTool::InitVertexAssociation( _sourceHypo, shape2ShapeMap, tgtEdge );
+ if ( !TAssocTool::FindSubShapeAssociation( tgtEdge, tgtMesh, srcShape, srcMesh,
+ shape2ShapeMap) ||
+ !shape2ShapeMap.IsBound( tgtEdge ))
+ return error("Vertices association failed" );
+
+ srcEdge = TopoDS::Edge( shape2ShapeMap( tgtEdge ).Oriented(TopAbs_FORWARD));
+// cout << " srcEdge #" << srcMesh->GetMeshDS()->ShapeToIndex( srcEdge )
+// << " tgtEdge #" << tgtMesh->GetMeshDS()->ShapeToIndex( tgtEdge ) << endl;
+
+ TopoDS_Vertex tgtV[2], srcV[2];
+ TopExp::Vertices( tgtEdge, tgtV[0], tgtV[1] );
+ TopExp::Vertices( srcEdge, srcV[0], srcV[1] );
+
+ // ----------------------------------------------
+ // Assure that mesh on a source edge is computed
+ // ----------------------------------------------
+
+ SMESH_subMesh* srcSubMesh = srcMesh->GetSubMesh( srcEdge );
+ //SMESH_subMesh* tgtSubMesh = tgtMesh->GetSubMesh( tgtEdge );
+
+ if ( tgtMesh == srcMesh ) {
+ if ( !TAssocTool::MakeComputed( srcSubMesh ))
+ return error(COMPERR_BAD_INPUT_MESH,"Source mesh not computed");
+ }
+ else {
+ if ( !srcSubMesh->IsMeshComputed() )
+ return error(COMPERR_BAD_INPUT_MESH,"Source mesh not computed");
+ }
+ // -----------------------------------------------
+ // Find out nodes distribution on the source edge
+ // -----------------------------------------------
+
+ double srcLength = EdgeLength( srcEdge );
+ double tgtLength = EdgeLength( tgtEdge );
+
+ vector< double > params; // sorted parameters of nodes on the source edge
+ if ( !SMESH_Algo::GetNodeParamOnEdge( srcMesh->GetMeshDS(), srcEdge, params ))
+ return error(COMPERR_BAD_INPUT_MESH,"Bad node parameters on the source edge");
+
+ int nbNodes = params.size();
+
+ std::vector<int> aVec(SMDSEntity_Last);
+ for(int i=SMDSEntity_Node; i<SMDSEntity_Last; i++) aVec[i] = 0;
+
+ aVec[SMDSEntity_Node] = nbNodes;
+
+ bool quadratic = false;
+ SMDS_ElemIteratorPtr elemIt = srcSubMesh->GetSubMeshDS()->GetElements();
+ if ( elemIt->more() )
+ quadratic = elemIt->next()->IsQuadratic();
+ if(quadratic)
+ aVec[SMDSEntity_Quad_Edge] = (nbNodes-1)/2;
+ else
+ aVec[SMDSEntity_Edge] = nbNodes - 1;
+
+ SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
+ aResMap.insert(std::make_pair(sm,aVec));
+
+ return true;
+}
+
+
//=============================================================================
/*!
* \brief Sets a default event listener to submesh of the source edge
