+
+//================================================================================
+/*!
+ * \brief Create a slot of given width around given 1D elements lying on a triangle mesh.
+ * The slot is constructed by cutting faces by cylindrical surfaces made
+ * around each segment. Segments are expected to be created by MakePolyLine().
+ * \return Edges located at the slot boundary
+ */
+//================================================================================
+
+SMESH::ListOfEdges* SMESH_MeshEditor_i::MakeSlot(SMESH::SMESH_GroupBase_ptr theSegments,
+ CORBA::Double theWidth)
+{
+ if ( CORBA::is_nil( theSegments ) ||
+ theSegments->GetType() != SMESH::EDGE )
+ THROW_SALOME_CORBA_EXCEPTION("No segments given", SALOME::BAD_PARAM );
+ if ( myMesh->NbFaces() == 0 )
+ THROW_SALOME_CORBA_EXCEPTION("No faces in the mesh", SALOME::BAD_PARAM );
+
+ SMESH::ListOfEdges_var resultEdges = new SMESH::ListOfEdges;
+
+ SMESH_TRY;
+ initData(/*deleteSearchers=*/false);
+
+ SMESHDS_Mesh* meshDS = getMeshDS();
+
+ // get standalone face groups to be updated
+ std::vector< SMDS_MeshGroup* > faceGroups;
+ const std::set<SMESHDS_GroupBase*>& allGroups = meshDS->GetGroups();
+ std::set<SMESHDS_GroupBase*>::const_iterator grIt = allGroups.begin();
+ for ( ; grIt != allGroups.end(); ++grIt )
+ if ( const SMESHDS_Group* gr = dynamic_cast< const SMESHDS_Group* >( *grIt ))
+ if ( gr->GetType() == SMDSAbs_Face )
+ faceGroups.push_back( & const_cast< SMESHDS_Group* >( gr )->SMDSGroup() );
+
+ std::vector< SMESH_MeshAlgos::Edge > edges =
+ SMESH_MeshAlgos::MakeSlot( SMESH_Mesh_i::GetElements( theSegments, SMESH::EDGE ),
+ theWidth, meshDS, faceGroups );
+
+ resultEdges->length( edges.size() );
+ for ( size_t i = 0; i < edges.size(); ++i )
+ {
+ resultEdges[ i ].node1 = edges[i]._node1->GetID();
+ resultEdges[ i ].node2 = edges[i]._node2->GetID();
+ resultEdges[ i ].medium = edges[i]._medium ? edges[i]._medium->GetID() : 0;
+ }
+
+ meshDS->Modified();
+ SMESH_CATCH( SMESH::throwCorbaException );
+
+ TSearchersDeleter::Delete(); // face searcher becomes invalid as some faces were removed
+
+ return resultEdges._retn();
+}