Returns the value of LiningToPanelOffsetY attribute. This attribute represents offset between the lining and the window panel measured along the y-axis of the local placement. Should be smaller or equal to the IfcWindowPanelProperties.PanelThickness.
Returns
Returns the value of LiningToPanelOffsetY attribute.
Remarks
IFC4 CHANGE: New attribute added at the end of the entity definition.