private void GetElementGeometricData(WR_Element3d elem)
        {
            // Node positions
            sPos   = CreateRhinoPt(elem.GetStartPos());
            ePos   = CreateRhinoPt(elem.GetEndPos());
            Length = sPos.DistanceTo(ePos);

            // Orientation
            elNormal = CreateRhinoVector(elem.GetElementNormal(), false);
            SetLocalVectors();

            // Section property string
            SectionPropertyString = elem.GetSectionString();
        }
        private void GetElementGeometricData(WR_Element3d elem)
        {
            // Node positions
            sPos = CreateRhinoPt(elem.GetStartPos());
            ePos = CreateRhinoPt(elem.GetEndPos());
            Length = sPos.DistanceTo(ePos);

            // Orientation
            elNormal = CreateRhinoVector(elem.GetElementNormal(), false);
            SetLocalVectors();

            // Section property string
            SectionPropertyString = elem.GetSectionString();
        }