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));
            }
        }
Exemple #2
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        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()));
        }
Exemple #3
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        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));
            }
        }
Exemple #4
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    internal static DSPlane CoordinateSystemToPlane(CoordinateSystem cs)
    {
        DSPlane pl = DSPlane.ByOriginXAxisYAxis(cs.Origin, cs.XAxis, cs.YAxis);

        return(pl);
    }