private void SetCurveType(Rg.Curve curve) { Rg.Circle R = new Rg.Circle(); Rg.Arc A = new Rg.Arc(); Rg.Ellipse S = new Rg.Ellipse(); Rg.Polyline P = new Rg.Polyline(); if (curve.TryGetCircle(out R)) { curveType = CurveTypes.Circle; } else if (curve.TryGetArc(out A)) { curveType = CurveTypes.Arc; } else if (curve.TryGetEllipse(out S)) { curveType = CurveTypes.Ellipse; } else if (curve.IsLinear()) { curveType = CurveTypes.Line; } else if (curve.TryGetPolyline(out P)) { curveType = CurveTypes.Polyline; } else { curveType = CurveTypes.Spline; } }
/***************************************************/ public static BHG.ICurve FromRhino(this RHG.Curve rCurve) { if (rCurve == null) { return(null); } Type curveType = rCurve.GetType(); if (rCurve.IsLinear() && rCurve.SpanCount < 2) { return(new BHG.Line { Start = rCurve.PointAtStart.FromRhino(), End = rCurve.PointAtEnd.FromRhino(), Infinite = false }); } if (rCurve.IsCircle()) { RHG.Circle circle = new RHG.Circle(); rCurve.TryGetCircle(out circle); return(circle.FromRhino()); } else if (rCurve.IsArc() || typeof(RHG.ArcCurve).IsAssignableFrom(curveType)) { RHG.Arc arc = new RHG.Arc(); rCurve.TryGetArc(out arc); return(arc.FromRhino()); } else if (rCurve.IsPolyline() || typeof(RHG.PolylineCurve).IsAssignableFrom(curveType)) { RHG.Polyline polyline = new RHG.Polyline(); rCurve.TryGetPolyline(out polyline); return(polyline.FromRhino()); } else if (rCurve.IsClosed && rCurve.IsEllipse()) { RHG.Ellipse ellipse = new RHG.Ellipse(); rCurve.TryGetEllipse(out ellipse); return(ellipse.FromRhino()); } else if (rCurve is RHG.NurbsCurve) { return(((RHG.NurbsCurve)rCurve).FromRhino()); } else if (rCurve is RHG.PolyCurve) { return(((RHG.PolyCurve)rCurve).FromRhino()); //The test of IsPolyline above is very important to make sure we can cast to PolyCurve here } else { return((rCurve.ToNurbsCurve()).FromRhino()); } }
/***************************************************/ private static BHG.ICurve ToBHoMTrimCurve(this RHG.Curve curve) { if (curve.IsArc()) { RHG.Arc arc; curve.TryGetArc(out arc); return(arc.FromRhino()); } else { return(curve.FromRhino()); } }
/// <summary> /// Convert a Rhino curve to a Nucleus one /// </summary> /// <param name="curve"></param> /// <returns></returns> public static Curve Convert(RC.Curve curve) { if (curve == null) { return(null); } if (curve is RC.LineCurve) { return(Convert((RC.LineCurve)curve)); } else if (curve.IsLinear()) { return(Convert(new RC.Line(curve.PointAtStart, curve.PointAtEnd))); } else if (curve.IsPolyline()) { RC.Polyline pLine; if (curve.TryGetPolyline(out pLine)) { return(Convert(pLine)); } } else if (curve is RC.PolyCurve) { return(Convert((RC.PolyCurve)curve)); } else if (curve.IsArc()) { RC.Arc arc; if (curve.TryGetArc(out arc)) { return(Convert(arc)); } } throw new NotImplementedException(); }