private Inventor.Point GetEdgePointAtParam(Inventor.EdgeUse EdgeUse, double Pt)
{
Inventor.TransientGeometry TransientGeometry = mInvApplication.TransientGeometry;
Inventor.CurveEvaluator CurveEvaluator;
double[] Param = new double[0];
double[] Pnt = new double[3];
Param[0] = Pt;
CurveEvaluator = EdgeUse.Edge.Evaluator;
CurveEvaluator.GetPointAtParam(ref Param, ref Pnt);
return(TransientGeometry.CreatePoint(Pnt[0], Pnt[1], Pnt[2]));
}
private Inventor.UnitVector GetTangentAtParam(Inventor.EdgeUse EdgeUse, double Pt)
{
Inventor.TransientGeometry TransientGeometry = mInvApplication.TransientGeometry;
Inventor.CurveEvaluator CurveEvaluator;
double[] Param = new double[0];
double[] v = new double[3];
Param[0] = Pt;
CurveEvaluator = EdgeUse.Edge.Evaluator;
CurveEvaluator.GetPointAtParam(ref Param, ref v);
if (EdgeUse.IsOpposedToEdge)
{
return(TransientGeometry.CreateUnitVector(-v[0], -v[1], -v[2]));
}
else
{
return(TransientGeometry.CreateUnitVector(v[0], v[1], v[2]));
}
}
