{"push_id":895578221,"size":1,"distinct_size":1,"ref":"refs/heads/tickets/DM-4162","head":"045ae6e3078f87ae4c03f035eb65691bb47d21c3","before":"cae75aa8b973187ad6d4f7b2f2ff4ac2167688a2","commits":[{"sha":"045ae6e3078f87ae4c03f035eb65691bb47d21c3","author":{"email":"02af70f098db5dd5684dc451011558c34cd1cb10@uw.edu","name":"Russell Owen"},"message":"Speed up warping if src and dest wcs have same csys and equinox\n\nAdded an optimization to XYTransformFromWcsPair's transforms\nfor the situation that the source and destination WCS\nhave the same coordinate system and date of equinox.\nThis speeds up warping by roughly a factor of two\n(when not using interpolation) when applicable.\n\nI also added three methods to Wcs: getCoordSystem, getEquinox\nand isSameSkySystem and a unit test for these.\n\nNote that the original warping code (before this ticket)\nmis-handled the situation where source and destination\ncoordinate system or equinox did not match.\nI still have to add a unit test for that.","distinct":true,"url":"https://api.github.com/repos/lsst/afw/commits/045ae6e3078f87ae4c03f035eb65691bb47d21c3"}]}