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RevSurfaceCreate Method (Curve, Line)

Constructs a new surface of revolution from a generatrix curve and an axis.

Namespace:  Rhino.Geometry
Assembly:  RhinoCommon (in RhinoCommon.dll)
public static RevSurface Create(
	Curve revoluteCurve,
	Line axisOfRevolution


Type: Rhino.GeometryCurve
A generatrix.
Type: Rhino.GeometryLine
An axis.

Return Value

Type: RevSurface
A new surface of revolution, or null if any of the inputs is invalid or on error.
using System;
using Rhino.Geometry;

partial class Examples
  public static Rhino.Commands.Result AddTruncatedCone(Rhino.RhinoDoc doc)
    Point3d bottom_pt = new Point3d(0,0,0);
    const double bottom_radius = 2;
    Circle bottom_circle = new Circle(bottom_pt, bottom_radius);

    Point3d top_pt = new Point3d(0,0,10);
    const double top_radius = 6;
    Circle top_circle = new Circle(top_pt, top_radius);

    LineCurve shapeCurve = new LineCurve(bottom_circle.PointAt(0), top_circle.PointAt(0));
    Line axis = new Line(bottom_circle.Center, top_circle.Center);
    RevSurface revsrf = RevSurface.Create(shapeCurve, axis);
    Brep tcone_brep = Brep.CreateFromRevSurface(revsrf, true, true);
    if( doc.Objects.AddBrep(tcone_brep) != Guid.Empty )
      return Rhino.Commands.Result.Success;
    return Rhino.Commands.Result.Failure;
import Rhino
import scriptcontext
import System.Guid

def AddTruncatedCone():
    bottom_pt = Rhino.Geometry.Point3d(0,0,0)
    bottom_radius = 2
    bottom_circle = Rhino.Geometry.Circle(bottom_pt, bottom_radius)

    top_pt = Rhino.Geometry.Point3d(0,0,10)
    top_radius = 6
    top_circle = Rhino.Geometry.Circle(top_pt, top_radius)

    shapeCurve = Rhino.Geometry.LineCurve(bottom_circle.PointAt(0), top_circle.PointAt(0))
    axis = Rhino.Geometry.Line(bottom_circle.Center, top_circle.Center)
    revsrf = Rhino.Geometry.RevSurface.Create(shapeCurve, axis)
    tcone_brep = Rhino.Geometry.Brep.CreateFromRevSurface(revsrf, True, True)

    if scriptcontext.doc.Objects.AddBrep(tcone_brep)!=System.Guid.Empty:
        return Rhino.Commands.Result.Success
    return Rhino.Commands.Result.Failure

if __name__=="__main__":
Version Information

Rhino for Mac

Supported in: 5.4

Rhino for Windows

Supported in: 6.27
See Also