public static Edge ToTopologic(this global::Rhino.Geometry.NurbsCurve nurbsCurve)
{
if (nurbsCurve == null)
{
return(null);
}
int degree = nurbsCurve.Degree;
bool isPeriodic = nurbsCurve.IsPeriodic;
bool isRational = nurbsCurve.IsRational;
List <double> knots = nurbsCurve.Knots.ToList();
knots.Insert(0, knots[0]);
knots.Add(knots.Last());
NurbsCurvePointList ghControlPoints = nurbsCurve.Points;
List <Vertex> controlPoints = new List <Vertex>();
List <double> weights = new List <double>();
for (int i = 0; i < ghControlPoints.Count; ++i)
{
controlPoints.Add(ghControlPoints[i].Location.ToTopologic());
weights.Add(ghControlPoints[i].Weight);
}
return(Edge.ByNurbsParameters(controlPoints, weights, knots, isRational, isPeriodic, degree));
}
private Topologic.Edge ByNurbsCurve(Rhino.Geometry.NurbsCurve ghNurbsCurve)
{
int degree = ghNurbsCurve.Degree;
bool isClosed = ghNurbsCurve.IsClosed;
bool isPeriodic = ghNurbsCurve.IsPeriodic;
bool isRational = ghNurbsCurve.IsRational;
NurbsCurveKnotList ghKnots = ghNurbsCurve.Knots;
List <double> knots = ghKnots.ToList();
// OCCT-compatible
knots.Insert(0, knots[0]);
knots.Add(knots.Last());
NurbsCurvePointList ghControlPoints = ghNurbsCurve.Points;
List <Topologic.Vertex> controlPoints = new List <Topologic.Vertex>();
List <double> weights = new List <double>();
for (int i = 0; i < ghControlPoints.Count; ++i)
{
controlPoints.Add(ByPoint(ghControlPoints[i].Location));
weights.Add(ghControlPoints[i].Weight);
}
return(Topologic.Edge.ByNurbsParameters(controlPoints, weights, knots, isRational, isPeriodic, degree));
}
static DB.XYZ[] ToXYZArray(NurbsCurvePointList list, double factor)
{
var count = list.Count;
var points = new DB.XYZ[count];
int p = 0;
if (factor == 1.0)
{
while (p < count)
{
var location = list[p].Location;
points[p++] = new DB::XYZ(location.X, location.Y, location.Z);
}
}
else
{
while (p < count)
{
var location = list[p].Location;
points[p++] = new DB::XYZ(location.X * factor, location.Y * factor, location.Z * factor);
}
}
return(points);
}
static global::NXOpen.Point3d[] ToNXPoint3dArray(NurbsCurvePointList list, double factor)
{
var count = list.Count;
var points = new global::NXOpen.Point3d[count];
int p = 0;
if (factor == 1.0)
{
while (p < count)
{
var location = list[p].Location;
points[p++] = new NXOpen.Point3d(location.X, location.Y, location.Z);
}
}
else
{
while (p < count)
{
var location = list[p].Location;
points[p++] = new NXOpen.Point3d(location.X * factor, location.Y * factor, location.Z * factor);
}
}
return(points);
}
public static List <SurfacePoint> _SurfacePoints(this NurbsCurvePointList points)
{
var count = points.Count;
var res = new List <SurfacePoint>(count);
for (int i = 0; i < count; i++)
{
res.Add(new SurfacePoint(points[i].Location));
}
return(res);
}
public static Point3d[] _Locations(this NurbsCurvePointList points)
{
//return points.Select(o => o.Location).ToArray();
var count = points.Count;
var res = new Point3d[count];
for (int i = 0; i < count; i++)
{
res[i] = points[i].Location;
}
return(res);
}
public static NXOpen.Point3d[] ToHost(NurbsCurvePointList list)
{
var count = list.Count;
var points = new NXOpen.Point3d[count];
for (int p = 0; p < count; ++p)
{
var location = list[p].Location;
points[p] = new NXOpen.Point3d(location.X, location.Y, location.Z);
}
return(points);
}
public static DB.XYZ[] ToHost(NurbsCurvePointList list)
{
var count = list.Count;
var points = new DB.XYZ[count];
for (int p = 0; p < count; ++p)
{
var location = list[p].Location;
points[p] = new DB::XYZ(location.X, location.Y, location.Z);
}
return(points);
}
public static List <XYZ> ConvertRhinoControlPoints(NurbsCurvePointList ctrlPoints, out List <double> weights)
{
List <XYZ> points = new List <XYZ>();
weights = new List <double>();
try
{
foreach (Rhino.Geometry.ControlPoint ctrlPoint in ctrlPoints)
{
points.Add(new XYZ(ctrlPoint.Location.X, ctrlPoint.Location.Y, ctrlPoint.Location.Z));
weights.Add(ctrlPoint.Weight);
}
}
catch (Exception ex)
{
string message = ex.Message;
}
return(points);
}
