/// <summary>
/// Overrides <see cref="CADability.GeoObject.ISurfaceImpl.Clone ()"/>
/// </summary>
/// <returns></returns>
public override ISurface Clone()
{
HelicalSurface res = new HelicalSurface(basisCurve2D.Clone(), pitch, toSurface, curveStartParameter, curveEndParameter, curveParameterOffset);
res.usedArea = usedArea;
return(res);
}
public override void Trim(double StartPos, double EndPos)
{
curve2D = curve2D.Clone();
curve2D.Trim(StartPos, EndPos);
}
