+ int nb = aMesh->NbNodes() + aMesh->NbEdges() + aMesh->NbFaces() + aMesh->NbVolumes();
+
+ bool res = myPattern.MakeMesh( aMesh, CreatePolygons, CreatePolyedrs );
+
+ if ( nb > 0 && nb != aMesh->NbNodes() + aMesh->NbEdges() + aMesh->NbFaces() + aMesh->NbVolumes())
+ {
+ aMesh->SetIsModified(true);
+ aMesh->GetMeshDS()->Modified();
+ }
+ return res;