+//=======================================================================
+//function : GetElemFaceNodes
+//purpose : Returns nodes of given face (counted from zero) for given element.
+//=======================================================================
+
+SMESH::long_array* SMESH_Mesh_i::GetElemFaceNodes(CORBA::Long elemId,
+ CORBA::Short faceIndex)
+{
+ SMESH::long_array_var aResult = new SMESH::long_array();
+ if ( SMESHDS_Mesh* aSMESHDS_Mesh = _impl->GetMeshDS() )
+ {
+ if ( const SMDS_MeshElement* elem = aSMESHDS_Mesh->FindElement(elemId) )
+ {
+ SMDS_VolumeTool vtool( elem );
+ if ( faceIndex < vtool.NbFaces() )
+ {
+ aResult->length( vtool.NbFaceNodes( faceIndex ));
+ const SMDS_MeshNode** nn = vtool.GetFaceNodes( faceIndex );
+ for ( int i = 0; i < aResult->length(); ++i )
+ aResult[ i ] = nn[ i ]->GetID();
+ }
+ }
+ }
+ return aResult._retn();
+}
+
+//=======================================================================
+//function : FindElementByNodes
+//purpose : Returns an element based on all given nodes.
+//=======================================================================
+
+CORBA::Long SMESH_Mesh_i::FindElementByNodes(const SMESH::long_array& nodes)
+{
+ CORBA::Long elemID(0);
+ if ( SMESHDS_Mesh* mesh = _impl->GetMeshDS() )
+ {
+ vector< const SMDS_MeshNode * > nn( nodes.length() );
+ for ( int i = 0; i < nodes.length(); ++i )
+ if ( !( nn[i] = mesh->FindNode( nodes[i] )))
+ return elemID;
+
+ const SMDS_MeshElement* elem = mesh->FindElement( nn );
+ if ( !elem && ( _impl->NbEdges( ORDER_QUADRATIC ) ||
+ _impl->NbFaces( ORDER_QUADRATIC ) ||
+ _impl->NbVolumes( ORDER_QUADRATIC )))
+ elem = mesh->FindElement( nn, SMDSAbs_All, /*noMedium=*/true );
+
+ if ( elem ) elemID = CORBA::Long( elem->GetID() );
+ }
+ return elemID;
+}