Drawing Circular Arcs

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This page demonstrates an intuitive, natural method for drawing circular arcs interactively. Basically, you first set the two endpoints of the arc, as if drawing a line. Then you can move the mouse around to control the radius of the arc.


Our improved circular arc drawing method uses these three steps:
  1. set one endpoint of the arc.
  2. Click to set the other endpoint.
  3. Move the mouse to adjust the shape of the arc, and click when it's correct.
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