/// <summary>
/// Returns the surface which defines the internal shape of the face
/// </summary>
/// <param name="lcs">The local coordinate system for the surface. Can be null.</param>
/// <returns>The surface which defines the internal shape of the face</returns>
public override Surface GetSurface(Transform lcs)
{
if (SweptCurve == null)
{
Importer.TheLog.LogError(Id, "Cannot find the profile curve of this revolved face.", true);
}
IFCSimpleProfile simpleProfile = SweptCurve as IFCSimpleProfile;
if (simpleProfile == null)
{
Importer.TheLog.LogError(Id, "Can't handle profile curve of type " + SweptCurve.GetType() + ".", true);
}
CurveLoop outerCurve = simpleProfile.OuterCurve;
Curve profileCurve = (outerCurve != null) ? outerCurve.First <Curve>() : null;
if (profileCurve == null)
{
Importer.TheLog.LogError(Id, "Cannot create the profile curve of this revolved surface.", true);
}
if (outerCurve.Count() > 1)
{
Importer.TheLog.LogError(Id, "Revolved surface has multiple profile curves, ignoring all but first.", false);
}
Curve revolvedSurfaceProfileCurve = profileCurve.CreateTransformed(Position);
if (!RevolvedSurface.IsValidProfileCurve(AxisPosition.Origin, AxisPosition.BasisZ, revolvedSurfaceProfileCurve))
{
Importer.TheLog.LogError(Id, "Profile curve is invalid for this revolved surface.", true);
}
if (lcs == null)
{
return(RevolvedSurface.Create(AxisPosition.Origin, AxisPosition.BasisZ, revolvedSurfaceProfileCurve));
}
Curve transformedRevolvedSurfaceProfileCurve = revolvedSurfaceProfileCurve.CreateTransformed(lcs);
return(RevolvedSurface.Create(lcs.OfPoint(AxisPosition.Origin), lcs.OfVector(AxisPosition.BasisZ), transformedRevolvedSurfaceProfileCurve));
}
