/// <summary>
/// Returns the projected footprint are of the site, this value is derived and makes use of property sets not in the ifc schema
/// </summary>
/// <param name="site"></param>
/// <returns></returns>
public static IfcAreaMeasure?GetFootprintArea(this IfcSite site)
{
IfcQuantityArea qArea = site.GetQuantity <IfcQuantityArea>("BaseQuantities", "GrossArea");
if (qArea == null)
{
qArea = site.GetQuantity <IfcQuantityArea>("GrossArea"); //just look for any area
}
if (qArea != null)
{
return(qArea.AreaValue);
}
//if revit try their value
IfcAreaMeasure val = site.GetPropertySingleValue <IfcAreaMeasure>("PSet_Revit_Dimensions", "Projected Area");
if (val != null)
{
return(val);
}
return(null);
}
