To draw an ellipse, one should select the object and define an initial point in a chart. After that one should define the second point and holding the mouse drag the ellipse till the necessary size and shape.
This object has four control points that can be moved with the mouse. Points located on faces are used for changing the size and shape of the ellipse. The point located in the center is used for moving the object without changing its shape.
There are the following parameters of an ellipse:
Common parameters of object are described in a separate section.
To fill the object with the color of its lines, you should enable option the "Draw object as background" at the "Common" tab.