Many PlanarFigures calculate their own area and store them using the Feature machanism.
The PlanarEllipse should also calculate and store its area.
Many PlanarFigures calculate their own area and store them using the Feature machanism.
The PlanarEllipse should also calculate and store its area.
[2a1981]: Merge branch 'bug-19800-area-calcuation-of-PlanarEllipse'
2016-06-24 13:33:10 Markus Engel [127c4b]
PlanarEllipse calculates its area