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Improve convolution code and tests #1697

merged 3 commits into from Aug 12, 2018


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@adonath adonath commented Aug 12, 2018

This PR is a follow up to #1695. It implements the changes suggested by @cdeil:

  • Move the convolution unit tests to ´gammapy.maps´
  • Reintroduce the pixel scale check against the convolution kernel
  • Use fft convolution in the computation of Li & Ma images as well

Changing to fft convolution in ´compute_lima_image´ did not change the test result (except at the boundary, but I changed the boundary handling on purpose, as the boundary values where previously all set to np.nan), so I presume "ringing" does not seem to be an issue here.

@adonath adonath self-assigned this Aug 12, 2018
@adonath adonath added this to To do in gammapy.maps via automation Aug 12, 2018
@adonath adonath added this to the 0.8 milestone Aug 12, 2018
cdeil approved these changes Aug 12, 2018
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@cdeil cdeil commented Aug 12, 2018

@adonath - Thanks!

@cdeil cdeil merged commit fe9d288 into gammapy:master Aug 12, 2018
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gammapy.maps automation moved this from To do to Done Aug 12, 2018
@adonath adonath deleted the follow_up_to_#1695 branch Aug 12, 2018
@cdeil cdeil changed the title Follow up PR to #1695 Improve convolution code and tests Aug 15, 2018
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