public void Brep_Intersection()
{
// Arrange
var radius = 4.0;
var brep = Brep.CreateFromSphere(new Sphere(new Point3d(), radius));
var cuttingPlane = Plane.WorldXY;
// Act
Rhino.Geometry.Intersect.Intersection.BrepPlane(brep, cuttingPlane, 0.001, out var curves, out var points);
// Assert
Assert.AreEqual(1, curves.Length, "Wrong curve count");
Assert.AreEqual(2 * Math.PI * radius, curves[0].GetLength(), "Wrong curve length");
}
public Brep ToBrep()
{
return(Brep.CreateFromSphere(this));
}
protected override void SolveInstance(IGH_DataAccess DA)
{
// input parameter definition
List <Curve> polylines = new List <Curve>();
DA.GetDataList(0, polylines);
List <int> syntax = new List <int>();
DA.GetDataList(1, syntax);
List <string> hooking = new List <string>();
DA.GetDataList(2, hooking);
List <Point3d> anchorpts = new List <Point3d>();
DA.GetDataList(3, anchorpts);
// neue liste die in for schleife benutzt wird machen
List <Vector3d> anchorvecs = new List <Vector3d>();
DA.GetDataList(4, anchorvecs);
List <Vector3d> nanchorvecs = new List <Vector3d>(); // normed anchorvecs
foreach (Vector3d anchorvec in anchorvecs)
{
Vector3d nanchorvec = anchorvec / anchorvec.Length; // calc of normed anchorvec -> list: nanchorvecs
nanchorvecs.Add(nanchorvec);
}
double anchorparam = 0;
DA.GetData(5, ref anchorparam);
double washerparam = 0;
DA.GetData(6, ref washerparam);
double sphereparam = 0;
DA.GetData(7, ref sphereparam);
Boolean leftrot = new Boolean();
DA.GetData(8, ref leftrot);
// input parameter definition
// output and code parameter definition : global variables
List <Point3d> checkpts = new List <Point3d>();
List <Point3d> pathpts = new List <Point3d>();
List <Vector3d> orivecs = new List <Vector3d>();
List <Vector3d> tanvecs = new List <Vector3d>();
List <double> time = new List <double>();
List <Sphere> spheres = new List <Sphere>();
List <Curve> curves = new List <Curve>();
double fiberlength = 0;
int neg = 0;
int h = 0;
Point3d endpt = new Point3d();
Point3d startpt = new Point3d();
Point3d ipt2 = new Point3d();
Vector3d vec2 = new Vector3d();
Vector3d veca2 = new Vector3d();
Curve polyline1 = polylines[0];
List <Arc> arc = new List <Arc>();
Brep sph2 = new Brep();
// output and code parameter definition
// code: first anchor separately calculated
Point3d anchorpt0 = anchorpts[syntax[0]];
Point3d anchorpt1 = anchorpts[syntax[1]];
Vector3d vec0 = anchorpt1 - anchorpt0;
Vector3d nlinevec0 = vec0 / vec0.Length; // norm
Vector3d nanchorvec0 = nanchorvecs[syntax[0]];
Vector3d crossvec0 = Vector3d.CrossProduct(nanchorvec0, nlinevec0); // right hand system
Point3d arcminpt0 = new Point3d(anchorpt0 - crossvec0 * washerparam);
Point3d arcmaxpt0 = new Point3d(anchorpt0 + crossvec0 * washerparam);
// first hooking
if (leftrot == true)
{
startpt = arcmaxpt0;
endpt = arcminpt0;
}
else
{
startpt = arcminpt0;
endpt = arcmaxpt0;
}
checkpts.Add(endpt);
Arc arc0 = new Arc(startpt, -nlinevec0, endpt);
arc.Add(arc0);
// Path by Syntax
for (int i = 1; i < syntax.Count - 1; i++)
{
anchorpt0 = anchorpts[syntax[i - 1]]; // hooking position can differ from anchor mid point
anchorpt1 = anchorpts[syntax[i]];
Point3d pt0 = anchorpt0;
Point3d pt1 = anchorpt1;
Sphere sphere0 = new Sphere(anchorpt0, sphereparam);
Brep sph0 = Brep.CreateFromSphere(sphere0);
Sphere sphere1 = new Sphere(anchorpt1, sphereparam);
Brep sph1 = Brep.CreateFromSphere(sphere1);
Curve polyline0 = polylines[i - 1];
polyline1 = polylines[i];
Intersection.CurveBrep(polyline0, sph0, 0, out Curve[] curve1, out Point3d[] ipt);
public Brep RhinoSphere()
{
//return new Sphere(centrePoint, radius);
return(Brep.CreateFromSphere(new Sphere(centrePoint, radius)));
}
