/// <summary>
/// Get Grevit Curve Component
/// </summary>
/// <param name="curve"></param>
/// <param name="referenceID"></param>
/// <returns></returns>
public static Component ToGrevitCurve(this Rhino.Geometry.Curve curve, string referenceID = "")
{
if (curve.IsArc(Rhino.RhinoMath.ZeroTolerance))
{
Rhino.Geometry.Arc a;
if (curve.TryGetArc(out a))
{
Curve3Points arc = new Curve3Points();
arc.a = curve.PointAtStart.ToGrevitPoint();
arc.b = curve.PointAt(0.5).ToGrevitPoint();
arc.c = curve.PointAtEnd.ToGrevitPoint();
arc.GID = referenceID;
return arc;
}
}
else if (curve.IsPolyline())
{
Rhino.Geometry.Polyline pline;
if (curve.TryGetPolyline(out pline))
{
PLine arc = new PLine();
arc.points = new List<Grevit.Types.Point>();
foreach (Rhino.Geometry.Point3d pkt in pline)
{
arc.points.Add(pkt.ToGrevitPoint());
}
arc.closed = pline.IsClosed;
arc.GID = referenceID;
return arc;
}
}
else if (curve.IsEllipse())
{
Curve3Points arc = new Curve3Points();
arc.a = curve.PointAtStart.ToGrevitPoint();
arc.b = curve.PointAt(0.5).ToGrevitPoint();
arc.c = curve.PointAtEnd.ToGrevitPoint();
arc.GID = referenceID;
return arc;
}
else if (curve.GetType() == typeof(Rhino.Geometry.NurbsCurve))
{
Rhino.Geometry.NurbsCurve nc = (Rhino.Geometry.NurbsCurve)curve;
Grevit.Types.Spline spline = new Grevit.Types.Spline();
spline.controlPoints = new List<Grevit.Types.Point>();
spline.weights = new List<double>();
foreach (Rhino.Geometry.ControlPoint p in nc.Points)
{
spline.controlPoints.Add(p.Location.ToGrevitPoint());
spline.weights.Add(p.Weight);
}
spline.degree = nc.Degree;
spline.isClosed = nc.IsClosed;
spline.isRational = nc.IsRational;
spline.isPeriodic = nc.IsPeriodic;
spline.GID = referenceID;
spline.knots = new List<double>();
foreach (double dbl in nc.Knots) spline.knots.Add(dbl);
return spline;
}
else
{
Line arc = new Line();
arc.from = curve.PointAtStart.ToGrevitPoint();
arc.to = curve.PointAtEnd.ToGrevitPoint();
arc.GID = referenceID;
return arc;
}
return null;
}
/// <summary>
/// Get Grevit Curve Component
/// </summary>
/// <param name="curve"></param>
/// <param name="referenceID"></param>
/// <returns></returns>
public static Component ToGrevitCurve(this Rhino.Geometry.Curve curve, string referenceID = "")
{
if (curve.IsArc(Rhino.RhinoMath.ZeroTolerance))
{
Rhino.Geometry.Arc a;
if (curve.TryGetArc(out a))
{
Curve3Points arc = new Curve3Points();
arc.a = curve.PointAtStart.ToGrevitPoint();
arc.b = curve.PointAt(0.5).ToGrevitPoint();
arc.c = curve.PointAtEnd.ToGrevitPoint();
arc.GID = referenceID;
return(arc);
}
}
else if (curve.IsPolyline())
{
Rhino.Geometry.Polyline pline;
if (curve.TryGetPolyline(out pline))
{
PLine arc = new PLine();
arc.points = new List <Grevit.Types.Point>();
foreach (Rhino.Geometry.Point3d pkt in pline)
{
arc.points.Add(pkt.ToGrevitPoint());
}
arc.closed = pline.IsClosed;
arc.GID = referenceID;
return(arc);
}
}
else if (curve.IsEllipse())
{
Curve3Points arc = new Curve3Points();
arc.a = curve.PointAtStart.ToGrevitPoint();
arc.b = curve.PointAt(0.5).ToGrevitPoint();
arc.c = curve.PointAtEnd.ToGrevitPoint();
arc.GID = referenceID;
return(arc);
}
else if (curve.GetType() == typeof(Rhino.Geometry.NurbsCurve))
{
Rhino.Geometry.NurbsCurve nc = (Rhino.Geometry.NurbsCurve)curve;
Grevit.Types.Spline spline = new Grevit.Types.Spline();
spline.controlPoints = new List <Grevit.Types.Point>();
spline.weights = new List <double>();
foreach (Rhino.Geometry.ControlPoint p in nc.Points)
{
spline.controlPoints.Add(p.Location.ToGrevitPoint());
spline.weights.Add(p.Weight);
}
spline.degree = nc.Degree;
spline.isClosed = nc.IsClosed;
spline.isRational = nc.IsRational;
spline.isPeriodic = nc.IsPeriodic;
spline.GID = referenceID;
spline.knots = new List <double>();
foreach (double dbl in nc.Knots)
{
spline.knots.Add(dbl);
}
return(spline);
}
else
{
Line arc = new Line();
arc.from = curve.PointAtStart.ToGrevitPoint();
arc.to = curve.PointAtEnd.ToGrevitPoint();
arc.GID = referenceID;
return(arc);
}
return(null);
}
