private Inventor.LineSegment GetLargestEdge(ref Inventor.Face FaceView)
{
int length = FaceView.Edges.Count;
double LengthParam = 0;
Inventor.LineSegment Segment = null;
// Inventor.Curve2dEvaluator Curve2dEvaluator;
Inventor.Edge Edge = FaceView.Edges[1];
Edge.Evaluator.GetParamExtents(out double MinParam, out double MaxParam);
Edge.Evaluator.GetLengthAtParam(MinParam, MaxParam, out double Max);
Inventor.UnitVector Uy = mInvApplication.TransientGeometry.CreateUnitVector(0, 1, 0);
for (int i = 1; i <= length; i++)
{
Edge = FaceView.Edges[i];
Edge.Evaluator.GetParamExtents(out MinParam, out MaxParam);
Edge.Evaluator.GetLengthAtParam(MinParam, MaxParam, out LengthParam);
if (LengthParam >= Max)
{
if (Edge.GeometryType == Inventor.CurveTypeEnum.kLineSegmentCurve)
{
Segment = Edge.Geometry;
if (Segment.Direction.IsPerpendicularTo(Uy))
{
// MessageBox.Show("");
}
}
}
}
return(Segment);
}
private Inventor.UnitVector GetLargestEdgeUnitVector(ref Inventor.Face FaceView)
{
int length = FaceView.Edges.Count;
double LengthParam = 0;
Inventor.LineSegment Segment = null;
Inventor.Edge Edge = FaceView.Edges[1];
Edge.Evaluator.GetParamExtents(out double MinParam, out double MaxParam);
Edge.Evaluator.GetLengthAtParam(MinParam, MaxParam, out double Max);
Inventor.UnitVector UnitVector = mInvApplication.TransientGeometry.CreateUnitVector(0, 0, 0);
Inventor.UnitVector UnitVectorY = mInvApplication.TransientGeometry.CreateUnitVector(0, 1, 0);
Inventor.UnitVector UnitVectorX = mInvApplication.TransientGeometry.CreateUnitVector(1, 0, 0);
for (int i = 1; i <= length; i++)
{
Edge = FaceView.Edges[i];
if (Edge.GeometryType == Inventor.CurveTypeEnum.kLineSegmentCurve)
{
Segment = Edge.Geometry;
}
if (Edge.GeometryType == Inventor.CurveTypeEnum.kLineSegmentCurve)
{
Edge.Evaluator.GetParamExtents(out MinParam, out MaxParam);
Edge.Evaluator.GetLengthAtParam(MinParam, MaxParam, out LengthParam);
if (LengthParam > Max)
{
Segment = Edge.Geometry;
Max = LengthParam;
}
}
}
if (Segment != null)
{
if (Edge.GeometryType == Inventor.CurveTypeEnum.kLineSegmentCurve)
{
if (Segment.Direction.IsParallelTo(UnitVectorY))
{
UnitVector = UnitVectorX;
}
else if (Segment.Direction.IsParallelTo(UnitVectorX))
{
UnitVector = UnitVectorY;
}
return(UnitVector);
}
}
return(UnitVector);
}