+bool SMESHGUI_Selection::isPreComputable( int ind ) const
+{
+ if ( ind >= 0 && ind < myTypes.count() && myTypes[ind] == "Mesh" )
+ {
+ int maxDim = dim( ind );
+ if ( maxDim < 2 ) // we can preview 1D or 2D
+ {
+ QMap<int,int> modeMap;
+ _PTR(SObject) pMesh = SMESH::GetActiveStudyDocument()->FindObjectID( entry( ind ).toLatin1().data() );
+ SMESHGUI_PrecomputeOp::getAssignedAlgos( pMesh, modeMap );
+ if ( modeMap.size() > 1 )
+ return (( modeMap.contains( SMESH::DIM_3D )) ||
+ ( modeMap.contains( SMESH::DIM_2D ) && maxDim < 1 ));
+ }
+ }
+ return false;
+}
+
+//=======================================================================
+//function : hasGeomReference
+//purpose : returns true for a mesh or sub-mesh on geometry
+//=======================================================================
+
+bool SMESHGUI_Selection::hasGeomReference( int ind ) const