public static Matrix4 LocalTransform(IfcLocalPlacement localPlacement)
{
Matrix4 rMatrix = null;
if (localPlacement.RelativePlacement.Value is IfcAxis2Placement3D)
{
var relPlacement = localPlacement.RelativePlacement.Value as IfcAxis2Placement3D;
rMatrix = IfcAxis2Placement3D.Axis2Placement3DToMatrix(relPlacement);
// Check the nodes found.
if (localPlacement.PlacementRelTo != null)
{
var ifcLocalPlacement = localPlacement.PlacementRelTo as IfcLocalPlacement;
if (ifcLocalPlacement != null)
{
rMatrix.MultiplyRev(LocalTransform(ifcLocalPlacement));
}
}
}
return(rMatrix);
}
