_scalarbarActor->SetLookupTable( _thresholdTable );
// _scalarbarActor->SetLookupTable( _thresholdMapper->GetLookupTable() );
_scalarbarActor->SetTitle("Value");
_scalarbarActor->SetLookupTable( _thresholdTable );
// _scalarbarActor->SetLookupTable( _thresholdMapper->GetLookupTable() );
_scalarbarActor->SetTitle("Value");