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Draw Ellipse
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Center, Point, Ratio



Description:

Draws ellipses with a given center, major axis and minor axis.


Procedure:

  1. Specify the center of the ellipse using the mouse or enter a coordinate in the command line.

  2. Define the major axis by clicking the endpoint of the axis, which is a  point on the ellipse. You can also enter a coordinate into the command line.

  3. Define the endpoint of the minor axis which is also a point on the  ellipse.



Foci, Point


Description:

Draws ellipses with a given 2 focal points of major axis and 1 point on the ellipse.


Procedure:

  1. Specify the first focal point of major axis using the mouse or enter a coordinate in the command line.

  2. Specify the other focal point of major axis using the mouse or enter a coordinate in the command line.

  3. Specify the endpoint  which is also a point on the  ellipse.