/// <summary>
/// Checks if the curve element should be exported.
/// </summary>
/// <param name="curveElement">
/// The curve element.
/// </param>
/// <returns>
/// True if the curve element should be exported, false otherwise.
/// </returns>
private static bool ShouldCurveElementBeExported(CurveElement curveElement)
{
CurveElementType curveElementType = curveElement.CurveElementType;
bool exported = false;
if (curveElementType == CurveElementType.ModelCurve || curveElementType == CurveElementType.CurveByPoints)
{
exported = true;
}
if (exported)
{
// Confirm curve is not used by another element
exported = !ExporterIFCUtils.IsCurveFromOtherElementSketch(curveElement);
// Confirm the geometry curve is valid.
Curve curve = curveElement.GeometryCurve;
if (curve == null)
{
exported = false;
}
else if (curve is Line)
{
if (!curve.IsBound)
{
exported = false;
}
else
{
XYZ end1 = curve.GetEndPoint(0);
XYZ end2 = curve.GetEndPoint(1);
if (end1.IsAlmostEqualTo(end2))
{
exported = false;
}
}
}
}
return(exported);
}