public double[] Parameters(Snap.Position point)
{
IntPtr ptr;
UFEvalsf evalsf = Globals.UFSession.Evalsf;
//evalsf.Initialize2(base.NXOpenTag, out ptr);
evalsf.Initialize(base.NXOpenTag, out ptr);
double[] array = point.Array;
UFEvalsf.Pos3 pos = new UFEvalsf.Pos3();
evalsf.FindClosestPoint(ptr, array, out pos);
double[] uv = pos.uv;
uv[0] = this.FactorU * uv[0];
uv[1] = this.FactorV * uv[1];
return(uv);
}
private static Vector[] SurfaceEvaluate(Snap.NX.Face face, int mode, double u, double v)
{
IntPtr ptr;
double[] numArray = new double[] { u / face.FactorU, v / face.FactorV };
UFEvalsf evalsf = Globals.UFSession.Evalsf;
Tag nXOpenTag = face.NXOpenTag;
//evalsf.Initialize2(nXOpenTag, out ptr);
evalsf.Initialize(nXOpenTag, out ptr);
ModlSrfValue value2 = new ModlSrfValue();
evalsf.Evaluate(ptr, mode, numArray, out value2);
Vector vector = new Vector(value2.srf_pos);
Vector vector2 = new Vector(value2.srf_du);
Vector vector3 = new Vector(value2.srf_dv);
Vector vector4 = new Vector(value2.srf_unormal);
vector2 = (Vector)((1.0 / face.FactorU) * vector2);
vector3 = (Vector)((1.0 / face.FactorV) * vector3);
return(new Vector[] { vector, vector2, vector3, vector4 });
}