Aspect ratio

If the drawing area is not a square, arranging the levels as circles is not always the best choice. You can specify the aspect ratio of the drawing area to better fit the layout to the drawing area. In this case, the algorithm uses ellipses instead of circles. See Tree layout in radial layout mode with aspect ratio 1.5 for an example.
To specify the aspect ratio:
In CSS
Add this, for instance, to the GraphLayout section:
aspectRatio: "0.7";
In Java
In Java™, there are several possibilities.
If the drawing area is a view (a subclass of IlvManagerView ), you can use the method:
void setAspectRatio(IlvManagerView view);   
If the drawing area is specified only as a rectangle, use:
void setAspectRatio(IlvRect rect);   
If neither a view nor a rectangle is specified, you can calculate the aspect ratio from the width and height of the drawing area as aspectRatio = width/height and use the method:
void setAspectRatio(float aspectRatio);