/***************************************************/
public static BHG.IGeometry FromRhino(this RHG.Extrusion extrusion)
{
if (extrusion == null)
{
return(null);
}
RHG.LineCurve line = extrusion.PathLineCurve();
BHG.Vector extrVec = BH.Engine.Geometry.Create.Vector(line.PointAtStart.FromRhino(), line.PointAtEnd.FromRhino());
List <BHG.Extrusion> extrs = new List <BHG.Extrusion>();
// Exploits the fact that GetWireframe returns first the "profile" curves of the extrusion.
var profileCurves = extrusion.GetWireframe();
for (int i = 0; i < extrusion.ProfileCount; i++)
{
var profileConverted = profileCurves.ElementAt(i).FromRhino();
BHG.Extrusion extr = BH.Engine.Geometry.Create.Extrusion(profileConverted, extrVec, extrusion.IsCappedAtBottom && extrusion.IsCappedAtTop);
extrs.Add(extr);
}
if (extrs.Count == 1)
{
return(extrs[0]);
}
if (extrs.Count > 1)
{
return new BH.oM.Geometry.CompositeGeometry()
{
Elements = extrs.OfType <BH.oM.Geometry.IGeometry>().ToList()
}
}
;
BH.Engine.Reflection.Compute.RecordError("Could not convert the extrusion.");
return(null);
}