Fixed static texture computation and added color-coded lines
Implemented real 2D ellipses and correct semi axes
Added a lot of useful methods for 3D geometry which is already used
Fixed some rendering issues
Added rendering of real 3D semi axes within the 2D projection
Fixed some more issues and adapted time evolution for 2D ellipses
Fixed coloring of 3D semi axes
Fixed overlapping issue and axes properties
Fixed more rendering issues