public static RevSurface ToRhinoSurface(this DB.CylindricalFace face) => FromCylindricalSurface
(
face.Origin,
face.get_Radius(0),
face.get_Radius(1),
face.Axis,
face.get_Radius(0).GetLength(),
face.GetBoundingBox()
);
public static RevSurface ToRhinoSurface(DB.CylindricalFace face, double relativeTolerance) => FromCylindricalSurface
(
face.Origin,
face.get_Radius(0),
face.get_Radius(1),
face.Axis,
face.get_Radius(0).GetLength(),
face.GetBoundingBox(),
relativeTolerance
);
public static Surface ExtractSurface(Autodesk.Revit.DB.CylindricalFace face, IEnumerable <PolyCurve> edgeLoops)
{
// Note: Internal representation of the cone
// S(u, v) = Origin + cos(u)*Radius[0] + sin(u)*Radius[1] + v*Axis
edgeLoops = edgeLoops.ToList();
// Get some data from the face
var axis = face.Axis.ToVector();
var x = face.get_Radius(0).ToVector();
var y = face.get_Radius(1).ToVector();
var rad = x.Length;
var oax = face.Origin.ToPoint();
// project closest point on edge loop onto axis
// this gives a more reliable origin as the revit origin
// could be anywhere on the axis
var pt = edgeLoops.First().StartPoint;
var dir = pt.Subtract(oax.AsVector());
var projLength = dir.AsVector().Dot(axis);
var o = oax.Add(axis.Normalized().Scale(projLength));
// We don't know the start and end point of the cylindrical surface
// so we use the maxLength of the edgeLoops as a conservative guess
var maxLength = edgeLoops.Max(pc => pc.Length);
// Get the "base point" of the cylinder
var basePoint = o.Add(axis.Reverse().Scale(2 * maxLength));
// Build the "base circle" of the cylinder
var pl1 = Autodesk.DesignScript.Geometry.Plane.ByOriginXAxisYAxis(basePoint, x.Normalized(), y.Normalized());
var c1 = Circle.ByPlaneRadius(pl1, rad);
// extrude the cylindrical surface - again using the conservative maxLength
return(c1.Extrude(axis.Scale(4 * maxLength)));
}
static public bool IsVertical(CylindricalFace f)
{
return(IsVertical(f.Axis));
}
public static RevSurface ToRhinoSurface(this DB.CylindricalFace face, double relativeTolerance) => RawDecoder.ToRhinoSurface(face, relativeTolerance);