public Snap.Position Position(double value)
{
IntPtr ptr;
UFEval eval = Globals.UFSession.Eval;
eval.Initialize2(this.NXOpenTag, out ptr);
double[] point = new double[3];
double[] derivatives = new double[3];
value /= this.Factor;
eval.Evaluate(ptr, 0, value, point, derivatives);
return(new Snap.Position(point));
}
public Vector Tangent(double value)
{
IntPtr ptr;
UFEval eval = Globals.UFSession.Eval;
eval.Initialize2(this.NXOpenTag, out ptr);
double[] point = new double[3];
double[] tangent = new double[3];
double[] normal = new double[3];
double[] binormal = new double[3];
value /= this.Factor;
eval.EvaluateUnitVectors(ptr, value, point, tangent, normal, binormal);
return(new Vector(tangent));
}
public Vector Derivative(double value)
{
IntPtr ptr;
UFEval eval = Globals.UFSession.Eval;
eval.Initialize2(this.NXOpenTag, out ptr);
double[] point = new double[3];
double[] derivatives = new double[3];
value /= this.Factor;
eval.Evaluate(ptr, 1, value, point, derivatives);
Vector vector = new Vector(derivatives);
return((Vector)(vector / this.Factor));
}
private static double ArcPercentage(Snap.NX.ICurve curve, Snap.Position point1, Snap.Position point2)
{
IntPtr ptr;
double num = 0.0;
double num2 = curve.MaxU - curve.MinU;
double num3 = (curve.Parameter(point1) - curve.MinU) / num2;
double num4 = (curve.Parameter(point2) - curve.MinU) / num2;
UFEval eval = Globals.UFSession.Eval;
eval.Initialize2(curve.NXOpenTag, out ptr);
double[] numArray2 = new double[2];
numArray2[1] = 1.0;
double[] limits = numArray2;
eval.AskLimits(ptr, limits);
Globals.UFSession.Curve.AskArcLength(curve.NXOpenTag, num3, num4, ModlUnits.ModlMmeter, out num);
return((num / curve.ArcLength) * 100.0);
}
public Snap.Position[] PositionArray(double[] values)
{
IntPtr ptr;
UFEval eval = Globals.UFSession.Eval;
eval.Initialize2(this.NXOpenTag, out ptr);
double[] point = new double[3];
double[] derivatives = new double[3];
double num2 = 1.0 / this.Factor;
Snap.Position[] positionArray = new Snap.Position[values.LongLength];
for (long i = 0L; i < values.LongLength; i += 1L)
{
double parm = values[(int)((IntPtr)i)] * num2;
eval.Evaluate(ptr, 0, parm, point, derivatives);
positionArray[(int)((IntPtr)i)] = new Snap.Position(point);
}
return(positionArray);
}
public Vector[] Derivatives(double value, int order)
{
IntPtr ptr;
UFEval eval = Globals.UFSession.Eval;
eval.Initialize2(this.NXOpenTag, out ptr);
double[] point = new double[3];
double[] derivatives = new double[3 * order];
value = this.Factor * value;
eval.Evaluate(ptr, order, value, point, derivatives);
Vector[] vectorArray = new Vector[order + 1];
vectorArray[0] = point;
for (int i = 0; i < order; i++)
{
vectorArray[i + 1] = new Vector(derivatives[3 * i], derivatives[(3 * i) + 1], derivatives[(3 * i) + 2]);
if ((this.NXOpenEdge.SolidEdgeType == NXOpen.Edge.EdgeType.Circular) || (this.NXOpenEdge.SolidEdgeType == NXOpen.Edge.EdgeType.Elliptical))
{
vectorArray[i + 1] = (Vector)(System.Math.Pow(0.017453292519943295, (double)(i + 1)) * vectorArray[i + 1]);
}
}
return(vectorArray);
}
public Vector[] Derivatives(double value, int order)
{
IntPtr ptr;
bool flag = this.ObjectType == ObjectTypes.Type.Arc;
UFEval eval = Globals.UFSession.Eval;
eval.Initialize2(this.NXOpenTag, out ptr);
double[] point = new double[3];
double[] derivatives = new double[3 * order];
value /= this.Factor;
eval.Evaluate(ptr, order, value, point, derivatives);
Vector[] vectorArray = new Vector[order + 1];
vectorArray[0] = point;
for (int i = 0; i < order; i++)
{
vectorArray[i + 1] = new Vector(derivatives[3 * i], derivatives[(3 * i) + 1], derivatives[(3 * i) + 2]);
if (flag)
{
vectorArray[i + 1] = (Vector)(System.Math.Pow(0.017453292519943295, (double)(i + 1)) * vectorArray[i + 1]);
}
}
return(vectorArray);
}
/// <summary>
/// Returns the arc data of the evaluator of a circular curve or edge.
/// </summary>
/// <remarks>
/// Refer to <see href="..ugopen_doc/uf_eval/global.html#UF_EVAL_ask_arc">UF_EVAL_ask_arc</see> for documentation<br/>
/// License requirements:None
/// </remarks>
/// <param name="ufEval"></param>
/// <param name="arcTag">Object identifier of a curve</param>
/// <param name="arc">arc data</param>
public static void AskArc(this UFEval ufEval, Tag arcTag, out UFEval.Arc arc)
{
ufEval.Initialize(arcTag, out IntPtr evaluator);
ufEval.AskArc(evaluator, out arc);
ufEval.Free(evaluator);
}