Hi all,
Some projects are using JPEG images with WCS keywords or FITS header memorized into a JPEG comment segment (DSS colour images from MAST, SDSS JPEG images, Aladin JPEG images,...).
Unfortunately these methods are not compatible, not documented and seems to evolve.
Could we have a kind of VO standard related to this point ?
One suggestion would be to put the FITS header - or a portion of the FITS header - into a JPEG comment segment (starting with FF FE) directly in ASCII but with the possibility for wrapping each line by a CR instead of keeping the 80 character FITS justification. By this way, a simple "strings" command (or equivalent) allows to display immediately the metadata. Another advantage, and not the least, is to have the possibility for keeping all the FITS metadata.
Good idea ? Bad idea ? Other suggestions ?
Regards
Pierre Fernique
Received on 2008-01-17Z11:35:31