public static Tuple <Point3d, Point3d> CurveCurveIntersectionPoints(Curve C0, Curve C1, double t)
{
Rhino.Geometry.Intersect.CurveIntersections ci = Rhino.Geometry.Intersect.Intersection.CurveCurve(C0, C1, t, t);
Line line = Line.Unset;
if (ci.Count > 0)
{
Rhino.Geometry.Intersect.IntersectionEvent intersection = ci[0];
return(new Tuple <Point3d, Point3d>(intersection.PointA, intersection.PointB));
}
return(null);
}
public static Tuple <double, double> CurveCurveInter(Curve C0, Curve C1, double t)
{
Rhino.Geometry.Intersect.CurveIntersections ci = Rhino.Geometry.Intersect.Intersection.CurveCurve(C0, C1, t, t);
Line line = Line.Unset;
if (ci.Count > 0)
{
Rhino.Geometry.Intersect.IntersectionEvent intersection = ci[0];
return(new Tuple <double, double>(intersection.ParameterA, intersection.ParameterB));
}
return(null);
}
public static Tuple <double, double> CurveCurveIntersection(Curve C0, Curve C1, double t)
{
//Rhino.RhinoApp.WriteLine("WTF");
Rhino.Geometry.Intersect.CurveIntersections ci = Rhino.Geometry.Intersect.Intersection.CurveCurve(C0, C1, t, t);
Line line = Line.Unset;
if (ci.Count > 0)
{
Rhino.Geometry.Intersect.IntersectionEvent intersection = ci[0];
//Rhino.RhinoApp.WriteLine(intersection.ParameterA.ToString() +" " + intersection.ParameterB.ToString());
return(new Tuple <double, double>(intersection.ParameterA, intersection.ParameterB));
}
return(null);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
///////////////////////////////////////////////////////////////////////////////////////////////////声明变量
Curve curveA = null;
List <Curve> curveB = new List <Curve>();
///////////////////////////////////////////////////////////////////////////////////////////////////检测输入端是否合理
if (!DA.GetData(0, ref curveA))
{
return;
}
if (!DA.GetDataList(1, curveB))
{
return;
}
List <Point3d> pts = new List <Point3d>();
Curve[] crs;
for (int i = 0; i < curveB.Count; i++)
{
Rhino.Geometry.Intersect.CurveIntersections cin = Rhino.Geometry.Intersect.Intersection.CurveCurve(curveA, curveB[i], 0, 0);
int mm = cin.Count;
if (mm >= 1)
{
Rhino.Geometry.Intersect.IntersectionEvent[] evt = new Rhino.Geometry.Intersect.IntersectionEvent[mm];
for (int k = 0; k < mm; k++)
{
evt[k] = cin.ElementAt(k);
pts.Add(evt[k].PointA);
}
}
}
List <double> ts = new List <double>();
if (pts.Count >= 1)
{
for (int j = 0; j < pts.Count; j++)////点在curve上的t值
{
double t = 0;
curveA.ClosestPoint(pts[j], out t);
ts.Add(t);
}
}
crs = curveA.Split(ts);
DA.SetDataList(0, crs);
}
public static CCX CurveCurveIntersectionCCX(Curve C0, Curve C1, double t)
{
Rhino.Geometry.Intersect.CurveIntersections ci = Rhino.Geometry.Intersect.Intersection.CurveCurve(C0, C1, t, t);
Line line = Line.Unset;
if (ci.Count > 0)
{
Rhino.Geometry.Intersect.IntersectionEvent intersection = ci[0];
return(new CCX()
{
t0 = intersection.ParameterA, t1 = intersection.ParameterB, p0 = intersection.PointA, p1 = intersection.PointB
});
}
return(null);
}