private void AddBezierByNURBS(List <GPoint> points)
{
if (points.Count() < 3)
{
return;
}
int degree = points.Count - 1;
var ls = new OxyPlot.Series.LineSeries()
{
MarkerType = ShowMarker ? MarkerType.None : MarkerType.Plus,
MarkerStroke = OxyPlot.OxyColors.Blue
};
double duration = Util.Util.MeasureExecTime(() =>
{
const int INTERVAL_NUM = 100;
double step = 1.0 / INTERVAL_NUM;
NURBSCurve bspline = new NURBSCurve(points, degree);
for (double t = 0; t < 1.0; t += step)
{
GPoint p = bspline.NonRationalBSpline(t);
ls.Points.Add(new OxyPlot.DataPoint(p.X, p.Y));
}
});
ls.Title = $"NURBS(Bezier-{degree})({duration:0.###}ms)";
base.Series.Add(ls);
}
private void AddBSplineByNURBS(List <GPoint> points, double curveLength)
{
if (points.Count() < 3)
{
return;
}
var ls = new OxyPlot.Series.LineSeries()
{
MarkerType = ShowMarker ? MarkerType.None : MarkerType.Plus,
MarkerStroke = OxyPlot.OxyColors.Blue
};
int degree = SplineDegree(points);
double duration = Util.Util.MeasureExecTime(() =>
{
NURBSCurve bspline = new NURBSCurve(points, degree);
for (double u = 0; u <= 1.0; u += 0.01)
{
GPoint p = bspline.NonRationalBSpline(u);
ls.Points.Add(new OxyPlot.DataPoint(p.X, p.Y));
}
});
ls.Title = $"NURBS({degree})[len={curveLength:0.#}]({duration:0.###}ms)";
base.Series.Add(ls);
}