Draw Circle in Viewport3d

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We can draw circle using Ellipse control in 2d but how to draw a circle in Viewport3d? There are some readily available controlslike cylinder, sphere, Line and Arrow in Helix3DToolkit But circle/ellipse is missing. So, pls share some links or how to draw circle in Viewport3D.

Posted 21-Jul-13 19:12pm

Udaya from Chennai

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Sergey Alexandrovich Kryukov · Answer 1 · 2013-07-21T19:24:00

Solution 1

Ellipse in 3D is an elliptical cylinder of some small height.

—SA

Posted 21-Jul-13 19:24pm

Sergey Alexandrovich Kryukov

Comments

Udaya from Chennai 22-Jul-13 2:47am

Thanks.. I will get a disk kind of feature if i keep height of cylinder as very small value. But i wish to show just a circle like section of hollow cylinder. Please let me know how to get atleast hollow cylinder using Helix3DToolkit or any other way since i am new to Viewport3D.

Sergey Alexandrovich Kryukov 22-Jul-13 10:34am

Do you understand that even if you use 2D API, say, Canvas, you never show "just a circle"? You actually show a thin area along the elliptic trajectory.
—SA

Udaya from Chennai · Answer 2 · 2013-07-22T05:55:00

Solution 2

By keeping inner and outer diameter very close value then the PipeVisual3D of Helix3DToolkit looks like circle and it solves my problem. Thanks.

Posted 22-Jul-13 5:55am

Udaya from Chennai