Space units are 3D, arrows are 3D, space can be 3D/2D/1D. Every dimension length can be defined independently. At this time, arrows are drawn after a statically-defined array. Signed-off-by: Jean Sirmai <jean@a-lec.org>
Users have choice for display: - arrows are 2D or 3D - space units are 2D or 3D Signed-off-by: Jean Sirmai <jean@a-lec.org>