/// <summary>
/// fit a curve to the specified points
/// requires S parameter specified for each point
/// requires at least 5 points
/// </summary>
/// <param name="points">points to fit to, minimum 5</param>
internal static void SimpleFit(MouldCurve c, IFitPoint[] points)
{
Vect2 uv = new Vect2();
Vect3 x0 = new Vect3();
Vect3 x1 = new Vect3();
double[][] uFits = new double[2][];
double[] sFits = new double[points.Length];
uFits[0] = new double[points.Length];
uFits[1] = new double[points.Length];
//complile fitpoints to fitting arrays
sFits[0] = 0;
points[0][0] = 0;
c.xVal(points[0].UV, ref x0);//initialize starting x point
for (int nFit = 0; nFit < points.Length; nFit++)
{
//sFits[nFit] = fits[nFit][0];
uFits[0][nFit] = points[nFit][1];
uFits[1][nFit] = points[nFit][2];
if (nFit > 0)
{
c.xVal(points[nFit].UV, ref x1);
points[nFit][0] = points[nFit - 1][0] + x1.Distance(x0);
x0.Set(x1);//store previous x point
}
}
for (int nFit = 0; nFit < points.Length; nFit++)
sFits[nFit] = points[nFit][0] /= points.Last()[0];//convert length to position
//sFits[sFits.Length-1] = fits.Last()[0] = 1;//enforce unit length
c.FitPoints = points;
c.ReSpline(sFits, uFits);
}
