Speed up "Clear mesh data"

[modules/smesh.git] / src / SMESHDS / SMESHDS_SubMesh.cxx

diff --git a/src/SMESHDS/SMESHDS_SubMesh.cxx b/src/SMESHDS/SMESHDS_SubMesh.cxx
index 7cc19700d64fc320431415a1b4a7a7097be241c9..0da2a95f83e741ce6f6e57f5cf3d3ada753d6e41 100644 (file)
--- a/src/SMESHDS/SMESHDS_SubMesh.cxx
+++ b/src/SMESHDS/SMESHDS_SubMesh.cxx
@@ -311,3 +311,19 @@ SMESHDS_SubMeshIteratorPtr SMESHDS_SubMesh::GetSubMeshIterator() const
     ( new SMDS_SetIterator< const SMESHDS_SubMesh*, TIterator >( mySubMeshes.begin(),
                                                                  mySubMeshes.end()));
 }
+
+//=======================================================================
+//function : Clear
+//purpose  : remove the contents
+//=======================================================================
+
+void SMESHDS_SubMesh::Clear()
+{
+  myElements.clear();
+  myNodes.clear();
+  SMESHDS_SubMeshIteratorPtr sub = GetSubMeshIterator();
+  while ( sub->more() ) {
+    if ( SMESHDS_SubMesh* sm = (SMESHDS_SubMesh*) sub->next())
+      sm->Clear();
+  }
+}