# GILDAS implementation

GILDAS implements a variety of projections. They are in place since more than 30 years and used by the community. Here we compare them to the AIPS memos and the CG02 paper, in order to check their compatibility with the current FITS standard.

Subsections

- Gnomonic projection
- Orthographic projection
- Azimuthal projection
- North Celestial Pole projection
- Stereographic projection
- Aitoff projection
- Radio projection
  - Radio-projected cubes
  - 30m CLASS cubes
- SFL projection