public void rationalCurveAdaptiveSample()
{
Array <object> pts = new Array <object>();
pts.push(new Array <double>(new double[] { 5, 5, 0 }));
pts.push(new Array <double>(new double[] { 10, 10, 0 }));
pts.push(new Array <double>(new double[] { 20, 15, 0 }));
pts.push(new Array <double>(new double[] { 35, 15, 0 }));
pts.push(new Array <double>(new double[] { 45, 10, 0 }));
pts.push(new Array <double>(new double[] { 50, 5, 0 }));
Array <double> knots = new Array <double>(new double[] { 0.0, 0.0, 0.0, 0.0, 0.333333, 0.666667, 1.0, 1.0, 1.0, 1.0 });
Array <double> knots2 = new Array <double>(new double[] { 0.0, 0.2, 0.4, 0.6, 0.8, 1.0 });
Array <double> weights = new Array <double>(new double[] { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 });
verb.geom.NurbsCurve curve = verb.geom.NurbsCurve.byKnotsControlPointsWeights(3, knots, pts, weights);
verb.geom.NurbsCurve curve2 = verb.geom.NurbsCurve.byPoints(pts, 1);
Array <object> p = verb.eval.Tess.rationalCurveAdaptiveSample(curve._data, 1e-6, null);
_testOutput.WriteLine($"{p.length}");
for (int i = 0; i < p.length; i++)
{
_testOutput.WriteLine($"{p[i]}");
}
}
public void CurveKnotRefine()
{
Array <object> pts = new Array <object>();
pts.push(new Array <double>(new double[] { 0.0, 10.0, 4.0 }));
pts.push(new Array <double>(new double[] { 5.0, 10.0, 5.0 }));
pts.push(new Array <double>(new double[] { 10.0, 10.0, 2.0 }));
Array <double> knots = new Array <double>(new double[] { 0.0, 0.0, 0.0, 1.0, 1.0, 1.0 });
Array <double> weights = new Array <double>(new double[] { 1.0, 2.0, 1.0 });
Array <double> knotsToInsert = new Array <double>(new double[] { 0.5, 0.5, 0.5 });
verb.geom.NurbsCurve curve = verb.geom.NurbsCurve.byKnotsControlPointsWeights(2, knots, pts, weights);
var after = verb.eval.Modify.curveKnotRefine(curve._data, knotsToInsert);
_testOutput.WriteLine($"{after.controlPoints}");
}
public void rationalBezierCurveArcLength()
{
Array <object> pts = new Array <object>();
pts.push(new Array <double>(new double[] { 0, 0, 0, 1 }));
pts.push(new Array <double>(new double[] { 0.5, 0, 0, 1 }));
pts.push(new Array <double>(new double[] { 2.5, 0, 0, 1 }));
pts.push(new Array <double>(new double[] { 3, 0, 0, 1 }));
Array <double> knots = new Array <double>(new double[] { 0.0, 0.0, 0.0, 0.0, 1.0, 2.0, 2.0, 2.0 });
Array <double> weights = new Array <double>(new double[] { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 });
verb.geom.NurbsCurve curve = verb.geom.NurbsCurve.byPoints(pts, 3);
double res = verb.eval.Analyze.rationalBezierCurveArcLength(curve._data, 1, 16);
_testOutput.WriteLine($"{res}");
}
public void CurveKnotRefine2()
{
Array <object> pts = new Array <object>();
for (int i = 0; i < 8; i++)
{
pts.push(new Array <double>(new double[] { i, 0, 0 }));
}
Array <double> knots = new Array <double>(new double[] { 0, 0, 0, 0, 1, 2, 3, 4, 5, 5, 5, 5 });
Array <double> weights = new Array <double>(new double[] { 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 });
Array <double> newKnots = new Array <double>(new double[] { 0.5 });
verb.geom.NurbsCurve curve = verb.geom.NurbsCurve.byKnotsControlPointsWeights(3, knots, pts, weights);
var curveData = new verb.core.NurbsCurveData(3, knots, pts);
var after = verb.eval.Modify.curveKnotRefine(curve._data, newKnots);
_testOutput.WriteLine($"{after.controlPoints}");
}
public void DecomposeNurbsIntoBeziers()
{
Array <object> pts = new Array <object>();
pts.push(new Array <double>(new double[] { 0, 5, 5 }));
pts.push(new Array <double>(new double[] { 0, 0, 0 }));
pts.push(new Array <double>(new double[] { 4, 0, 0 }));
pts.push(new Array <double>(new double[] { 5, 5, 5 }));
pts.push(new Array <double>(new double[] { 0, 5, 0 }));
verb.geom.NurbsCurve curve = verb.geom.NurbsCurve.byPoints(pts, 3);
var res = verb.eval.Modify.decomposeCurveIntoBeziers(curve._data);
for (int i = 0; i < res.length; i++)
{
_testOutput.WriteLine($"{res[i]}");
}
}
public void AdaptiveSubdivision()
{
Array <object> pts = new Array <object>();
//pts.push(new Array<double>(new double[] { 100, 25, 0 }));
//pts.push(new Array<double>(new double[] { 10, 90, 0 }));
//pts.push(new Array<double>(new double[] { 110, 100, 0 }));
//pts.push(new Array<double>(new double[] { 150, 195, 0 }));
pts.push(new Array <double>(new double[] { 4.5, 2.5, 2.5 }));
pts.push(new Array <double>(new double[] { 5, 5, 5 }));
pts.push(new Array <double>(new double[] { 0, 5, 0 }));
verb.geom.NurbsCurve curve = verb.geom.NurbsCurve.byPoints(pts, 2);
var res = verb.eval.Tess.rationalCurveAdaptiveSample(curve._data, 1, true);
_testOutput.WriteLine(res.length.ToString());
for (int i = 0; i < res.length; i++)
{
var r = res[i];
_testOutput.WriteLine($"{{{r}}}");
}
}