public static NurbsCurve ToRhino(this DB.Ellipse ellipse)
{
var plane = new Plane(ellipse.Center.ToRhino(), new Vector3d(ellipse.XDirection.ToRhino()), new Vector3d(ellipse.YDirection.ToRhino()));
var e = new Ellipse(plane, ellipse.RadiusX, ellipse.RadiusY);
var nurbsCurve = e.ToNurbsCurve();
return(ellipse.IsBound ?
nurbsCurve.Trim(ellipse.GetEndParameter(0), ellipse.GetEndParameter(1)) as NurbsCurve :
nurbsCurve);
}
public static NurbsCurve ToRhino(this DB.Ellipse ellipse)
{
var plane = new Plane(ellipse.Center.ToRhino(), new Vector3d(ellipse.XDirection.ToRhino()), new Vector3d(ellipse.YDirection.ToRhino()));
var e = new Ellipse(plane, ellipse.RadiusX, ellipse.RadiusY);
var nurbsCurve = e.ToNurbsCurve();
if (ellipse.IsBound)
{
nurbsCurve.ClosestPoint(ellipse.GetEndPoint(0).ToRhino(), out var param0);
nurbsCurve.ClosestPoint(ellipse.GetEndPoint(1).ToRhino(), out var param1);
nurbsCurve = nurbsCurve.Trim(param0, param1) as NurbsCurve;
nurbsCurve.Domain = new Interval(ellipse.GetEndParameter(0), ellipse.GetEndParameter(1));
}
return(nurbsCurve);
}
private static Autodesk.DesignScript.Geometry.Curve Convert(Autodesk.Revit.DB.Ellipse crv)
{
var isComplete = !crv.IsBound ||
Math.Abs(Math.Abs(crv.GetEndParameter(1) - crv.GetEndParameter(0)) - 2 * Math.PI) < 1e-6;
if (!isComplete)
{
var pl = Plane.ByOriginXAxisYAxis(crv.Center.ToPoint(),
crv.XDirection.ToVector(), crv.YDirection.ToVector());
var s = crv.GetEndParameter(0).ToDegrees();
var e = crv.GetEndParameter(1).ToDegrees();
return(EllipseArc.ByPlaneRadiiStartAngleSweepAngle(pl, crv.RadiusX, crv.RadiusY, s, e - s));
}
return(Autodesk.DesignScript.Geometry.Ellipse.ByOriginVectors(crv.Center.ToPoint(),
(crv.XDirection * crv.RadiusX).ToVector(), (crv.YDirection * crv.RadiusY).ToVector()));
}
public static NurbsCurve ToRhino(DB.Ellipse ellipse)
{
var plane = new Plane(AsPoint3d(ellipse.Center), AsVector3d(ellipse.XDirection), AsVector3d(ellipse.YDirection));
var e = new Ellipse(plane, ellipse.RadiusX, ellipse.RadiusY);
var nurbsCurve = e.ToNurbsCurve();
if (ellipse.IsBound)
{
nurbsCurve.ClosestPoint(AsPoint3d(ellipse.GetEndPoint(0)), out var param0);
if (!nurbsCurve.ChangeClosedCurveSeam(param0))
{
nurbsCurve.Domain = new Interval(param0, param0 + nurbsCurve.Domain.Length);
}
nurbsCurve.ClosestPoint(AsPoint3d(ellipse.GetEndPoint(1)), out var param1);
nurbsCurve = nurbsCurve.Trim(param0, param1) as NurbsCurve;
nurbsCurve.Domain = new Interval(ellipse.GetEndParameter(0), ellipse.GetEndParameter(1));
}
return(nurbsCurve);
}
private static Autodesk.DesignScript.Geometry.Curve Convert(Autodesk.Revit.DB.Ellipse crv)
{
var isFullEllipse = !crv.IsBound ||
Math.Abs(Math.Abs(crv.GetEndParameter(1) - crv.GetEndParameter(0)) - 2 * Math.PI) < 1e-6;
if (isFullEllipse)
{
return
(Autodesk.DesignScript.Geometry.Ellipse.ByOriginVectors(
crv.Center.ToPoint(false),
(crv.XDirection * crv.RadiusX).ToVector(false),
(crv.YDirection * crv.RadiusY).ToVector(false)));
}
double startParam;
var span = Math.Abs(crv.GetEndParameter(0) - crv.GetEndParameter(1)).ToDegrees();
startParam = crv.GetEndParameter(0).ToDegrees();
using (var pl = Plane.ByOriginXAxisYAxis(crv.Center.ToPoint(false), crv.XDirection.ToVector(), crv.YDirection.ToVector()))
{
return(EllipseArc.ByPlaneRadiiAngles(pl, crv.RadiusX, crv.RadiusY, startParam, span));
}
}
private static Autodesk.DesignScript.Geometry.Curve Convert(Autodesk.Revit.DB.Ellipse crv)
{
var isFullEllipse = !crv.IsBound ||
Math.Abs(Math.Abs(crv.GetEndParameter(1) - crv.GetEndParameter(0)) - 2 * Math.PI) < 1e-6;
if (isFullEllipse)
{
return
(Autodesk.DesignScript.Geometry.Ellipse.ByOriginVectors(
crv.Center.ToPoint(false),
(crv.XDirection * crv.RadiusX).ToVector(false),
(crv.YDirection * crv.RadiusY).ToVector(false)));
}
// We need to define the major and minor axis as the curve
// will be trimmed starting from the major axis (not the xaxis)
var major = Math.Max(crv.RadiusX, crv.RadiusY);
var minor = Math.Min(crv.RadiusX, crv.RadiusY);
Vector majorAxis;
Vector minorAxis;
double startParam;
var span = Math.Abs(crv.GetEndParameter(0) - crv.GetEndParameter(1)).ToDegrees();
if (crv.RadiusX > crv.RadiusY)
{
majorAxis = crv.XDirection.ToVector();
minorAxis = crv.YDirection.ToVector();
startParam = crv.GetEndParameter(0).ToDegrees();
}
else
{
majorAxis = crv.YDirection.ToVector().Reverse();
minorAxis = crv.XDirection.ToVector();
startParam = crv.GetEndParameter(0).ToDegrees() + 90;
}
using (var pl = Plane.ByOriginXAxisYAxis(crv.Center.ToPoint(false), majorAxis, minorAxis))
{
return(EllipseArc.ByPlaneRadiiStartAngleSweepAngle(pl, major, minor, startParam, span));
}
}
