Michael D. Schneider

This is actually largely implemented as a set of GalSim wrapper scripts in our (non-public) LSST DESC github repository (`psf_model/optics_model`). I met with @jmeyers314 to get some advice about how...

Here's a [link](https://github.com/DarkEnergyScienceCollaboration/psf_model/blob/master/optics_model/optics_model/optics_psf_model.py) to the script I'm trying to port over for those with DESC github access.

Yes, I'll work in a new branch #716 off of #549. I can push a start on this later today. I would agree that #444 is made defunct by this...

This looks like a very good plan. Here are couple of further questions: - Storing the pre-computed basis functions and their convolutions with the PSF might get complicated as the...