+ myIsDone=Standard_False;
+ if (myCompositeShape.IsNull()) {
+ return;
+ }
+ //
+ Clear();
+ // 1.
+ myDS=new NMTDS_ShapesDataStructure;
+ myDS->SetCompositeShape(myCompositeShape);
+ myDS->Init();
+ //
+ // 2.
+ myDSIt=new NMTDS_Iterator;
+ myDSIt->SetDS(myDS);
+ myDSIt->Prepare();
+ //
+ // 3.
+ myNbSources=myDS->NumberOfShapesOfTheObject()+
+ myDS->NumberOfShapesOfTheTool();
+ myNbEdges=myDS->NbEdges();
+ //
+ // 4
+ myIP=new NMTDS_InterfPool;