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Drawing Ellipses

In AutoCAD 2002, you can draw true ellipses and elliptical arcs, both of which are exact mathematical representations of ellipses. The default method of drawing an ellipse is to specify the endpoints of the first axis along with the distance, which is half the length of the second axis. The longer axis of an ellipse is called the major axis, and the shorter one is the minor axis. The order in which you define the axes does not matter.

Note

AutoCAD is also capable of constructing elliptical representations of ellipses using polylines. The system variable PELLIPSE determines the type of ellipse that’s drawn. A value of 1 creates a polyline representation; a value of 0 creates a true ellipse.



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