Correct sky_pos and local_wcs in photon op tests #484
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…cs and image_pos. This changes expected values in the regression tests.
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Some of the photon op tests appear not to be self-consistent: the
sky_posandlocal_wcsare set independently though both should actually be derived from the image's WCS and the object position within it. This wouldn't be an issue except that the incoming PR #424 implements a newXyToVwhich is self-consistent through use of theimg_wcsalone and so breaks the regression tests here. This PR updates the tests to calculate the thesky_posandlocal_wcstogether from theimage_posandimg_wcs.Note this isn't an issue in the photon ops themselves, just in the test method. This also changes the expected photon position centre in the regression tests from (-564.5, -1431.4) to (-960.28, -308.09). This is borne out in the tests in PR #424 using the new
XyToVimplementation which preserves these results.