Draw Ellipse

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.