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Improve table unit standardisation and flux points #1032

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merged 5 commits into from May 18, 2017
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@cdeil cdeil commented May 18, 2017

I wanted to do a pull request that fixes FluxPoints.plot to work for the case where asymmetric errors are given (they currently don't show up). But then I got sidetracked when I wanted to replace the unit standardisation code in FluxPoints.__init__ with the version in gammapy.utils, and ran into weird behaviour for QTable objects which get generated in the flux points tests.

Astropy issue concerning the QTable issues is here: astropy/astropy#6098

This pull request:

  • Changes the table column unit standardisation so that it can work for QTable
  • Call the new function from FluxPoints.__init__
  • Change from QTable to Table in two places in Gammapy where it's not really needed. (will leave a comment in #980).
  • Misc cleanup of FluxPoint class. Remove peek method because it was the same as plot. I'm -1 on adding a duplicate method just to have peek everywhere, users will be confused when to call plot or peek.

The FluxPoints.plot method is unchanged here, it just appears in the diff because I moved it to the end of the class code (like where the plotting code is for most classes in Gammapy). I'll make a follow-up PR tomorrow to actually refactor FluxPoints.plot (it's currently super long and hard to read and test) and fix the plotting of spectra with asymmetric errors (like we have cases in gammacat-status).

@cdeil cdeil added the cleanup label May 18, 2017
@cdeil cdeil added this to the 0.7 milestone May 18, 2017
@cdeil cdeil self-assigned this May 18, 2017
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@cdeil cdeil commented May 18, 2017

The fails in the Sphinx build are unrelated, probably a regression in Sphinx 1.6.1 I reported here:
sphinx-doc/sphinx#3766
Merging this now.

@cdeil cdeil merged commit 5004407 into gammapy:master May 18, 2017
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@cdeil cdeil mentioned this pull request May 19, 2017
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