case AttributePackage.LOCATION3_D__X : return isSetX( ); case AttributePackage.LOCATION3_D__Y : return isSetY( );
	public boolean eIsSet( EStructuralFeature eFeature )	{		switch ( eDerivedStructuralFeatureID( eFeature ) )		{			case AttributePackage.LOCATION3_D__X :				return isSetX( );			case AttributePackage.LOCATION3_D__Y :				return isSetY( );			case AttributePackage.LOCATION3_D__Z :				return isSetZ( );		}		return eDynamicIsSet( eFeature );	}