followthesheep
commented
2 years ago The drizzle package is from IRAF itself and the version we use is the 32 bit version because STScI never made a 64 bit version of it. Astrodrizzle, which is a more standalone code, does not work with our images because it is tuned to HST. There are some other possible drizzle codes, but preliminary tests suggest they do not work as well as the IRAF drizzle code.
The other major package is the IRAF geometry package that is used for distortion correction.
The transition is possible and would be a good goal for the future, but we don't have anyone with the time to do it now. Let us know if there is anyone you have in mind that can take this on.
Another route that I've had success with on new macs is to use docker containers to make the installation more platform agnostic.
On Thu, Jul 21, 2022 at 4:57 PM Chris Fassnacht @.***> wrote:
I would guess (and I may be completely wrong here) that the only thing that KAI really needs from astroconda is the drizzling code. I think that works fine with the astroconda standard installation and, thus, does not require installing the legacy software stack (with iraf). Since accessing the iraf code, especially with newer versions of MacOS, is hard (64 bit vs. 32 bit issues), I was wondering if eventually KAI could disconnect from iraf. In looking quickly through some of the code, it seems as though a lot of the calls to iraf are for things like imcombine, imarith, etc., that should be easy to write in (non-iraf) python. Of course this would require a fair amount of work, but if the transition were possible then the code would be a lot more user friendly for those of us with Macs.
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cdfassnacht
jluastro
AstroPatty
I would guess (and I may be completely wrong here) that the only thing that KAI really needs from astroconda is the drizzling code. I think that works fine with the astroconda standard installation and, thus, does not require installing the legacy software stack (with iraf). Since accessing the iraf code, especially with newer versions of MacOS, is hard (64 bit vs. 32 bit issues), I was wondering if eventually KAI could disconnect from iraf. In looking quickly through some of the code, it seems as though a lot of the calls to iraf are for things like imcombine, imarith, etc., that should be easy to write in (non-iraf) python. Of course this would require a fair amount of work, but if the transition were possible then the code would be a lot more user friendly for those of us with Macs.