Transformations

Coordinate transformations refactoring

The new coordinate transformations system is explained in this talk https://youtu.be/7HzMn_ooJmk?t=1391 from minute 23:11 to 31:45.

More in-detail slides can be found here: https://docs.google.com/presentation/d/1qum4VgOyY8hyavs40rGJuibGffMoSm015ZKBuHjFiV8/edit#slide=id.g2ee7fc97d10_0_322.