/// <summary>
/// Convert a generic Circle to a Revit Curve
/// </summary>
/// <param name="crvCurve"></param>
/// <returns></returns>
private static Autodesk.Revit.DB.Curve Convert(Autodesk.DesignScript.Geometry.Curve crvCurve)
{
Autodesk.DesignScript.Geometry.Curve[] curves = crvCurve.ApproximateWithArcAndLineSegments();
if (curves.Length == 1)
{
//line or arc?
var point0 = crvCurve.PointAtParameter(0.0);
var point1 = crvCurve.PointAtParameter(1.0);
var pointMid = crvCurve.PointAtParameter(0.5);
if (point0.DistanceTo(point1) > 1e-7)
{
var line = Autodesk.DesignScript.Geometry.Line.ByStartPointEndPoint(point0, point1);
if (pointMid.DistanceTo(line) < 1e-7)
{
return(Convert(line));
}
}
//then arc
if (point0.DistanceTo(point1) < 1e-7)
{
point1 = crvCurve.PointAtParameter(0.9);
}
var arc = Autodesk.DesignScript.Geometry.Arc.ByThreePoints(point0, pointMid, point1);
return(Convert(arc));
}
return(Convert(crvCurve.ToNurbsCurve()));
}
/// <summary>
/// creates slices using a curve as the spine
/// </summary>
/// <param name="solid">Solid: geometry that is to be parsed</param>
/// <param name="curve">Curve: defines the normal used to create cut planes perpendicular to parameter "plane".
/// If curve is too short, it will be extended using built-in extend function</param>
/// <param name="thickness">Thickness: the thickness of the slices, or the thickness of the material to be used for the assembly</param>
/// <param name="spacing">Spacing: the distance between each slice</param>
/// <returns>A newly-constructed Slicer object</returns>
internal Slicer(Solid solid, Curve curve, double thickness, double spacing, double origin)
{
Solid = solid;
Thickness = thickness;
Spacing = spacing;
Plane plane = Plane.ByOriginNormal(curve.StartPoint, curve.Normal);
Curve curvePlanar = curve;
if(!curve.IsPlanar)
{
plane = Plane.ByBestFitThroughPoints(curve.ToNurbsCurve().ControlPoints());
curvePlanar = curve.PullOntoPlane(plane);
}
CutPlanesPrimary.AddRange(GenerateCutPlanes(plane));
CutPlanesSecondary.AddRange(GenerateCutPlanes(curvePlanar, origin));
InitialGeometry = new List<Geometry>(1){curvePlanar};
}
