Update model fit result units after toggling flux/surface brightness

[rosteen]

This PR makes the plotted model fit results update properly when toggling between flux and surface brightness. It also removes one use of aperture_area_along_spectral that was missed in #3088 that was leading to the converted model fit being incorrect.

[kecnry]

Works great, thanks!

[kecnry]

wait, is this change expected? Is this because of the change to remove aperture_area_along_spectral? (cc @bmorris3)

[rosteen]

I believe so, it looked like this value comes from code that would have been affected by that change.

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 88.90%. Comparing base (143cd8d) to head (147ce2e).
Report is 2 commits behind head on main.

Files	Patch %	Lines
...igs/default/plugins/model_fitting/model_fitting.py	71.42%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3113      +/-   ##
==========================================
+ Coverage   88.78%   88.90%   +0.11%     
==========================================
  Files         111      111              
  Lines       17372    17378       +6     
==========================================
+ Hits        15424    15450      +26     
+ Misses       1948     1928      -20     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[cshanahan1]

I noticed one small potential bug when testing this out - if you create several different components with different units in a mix of flux / SB, and then combine those to fit the model, you get a message in red text in the plugin saying that units are incompatible and to remove the offending components. this message lingers even after you remove them from the equation editor

also, in theory couldn't you convert a model component added when the display units are in SB back to flux or vise versa so model components created when the viewer was in flux or when the viewer was in SB can work together?

[rosteen]

also, in theory couldn't you convert a model component added when the display units are in SB back to flux or vise versa so model components created when the viewer was in flux or when the viewer was in SB can work together?

In theory yes, but that's outside the scope of this PR.

I noticed one small potential bug when testing this out - if you create several different components with different units in a mix of flux / SB, and then combine those to fit the model, you get a message in red text in the plugin saying that units are incompatible and to remove the offending components. this message lingers even after you remove them from the equation editor

I'll look into this.

[rosteen]

@cshanahan1 The warning appears to be working properly for me, it disappears if you either delete the incompatible component from the plugin, or just delete it in the equation editor (video below is only the first case but it works for both).

Screen.Recording.2024-07-29.at.7.26.17.AM.mov