{"action":"created","issue":{"url":"https://api.github.com/repos/DarkEnergyScienceCollaboration/BremertonRoundTrip/issues/2","labels_url":"https://api.github.com/repos/DarkEnergyScienceCollaboration/BremertonRoundTrip/issues/2/labels{/name}","comments_url":"https://api.github.com/repos/DarkEnergyScienceCollaboration/BremertonRoundTrip/issues/2/comments","events_url":"https://api.github.com/repos/DarkEnergyScienceCollaboration/BremertonRoundTrip/issues/2/events","html_url":"https://github.com/DarkEnergyScienceCollaboration/BremertonRoundTrip/issues/2","id":102066338,"number":2,"title":"Use GalSim to draw postage stamp galaxy images","user":{"login":"jmeyers314","id":3650485,"avatar_url":"https://avatars.githubusercontent.com/u/3650485?v=3","gravatar_id":"","url":"https://api.github.com/users/jmeyers314","html_url":"https://github.com/jmeyers314","followers_url":"https://api.github.com/users/jmeyers314/followers","following_url":"https://api.github.com/users/jmeyers314/following{/other_user}","gists_url":"https://api.github.com/users/jmeyers314/gists{/gist_id}","starred_url":"https://api.github.com/users/jmeyers314/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jmeyers314/subscriptions","organizations_url":"https://api.github.com/users/jmeyers314/orgs","repos_url":"https://api.github.com/users/jmeyers314/repos","events_url":"https://api.github.com/users/jmeyers314/events{/privacy}","received_events_url":"https://api.github.com/users/jmeyers314/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-08-20T05:34:58Z","updated_at":"2015-08-24T16:46:10Z","closed_at":null,"body":"Inputs (ruthlessly simple)\r\n---------\r\n- flux\r\n- shear/magnification (from to-be-extended astropy.randomfield)\r\n- RA/DEC/z (doesn't actually affect postage stamp, but needs to be recorded)\r\n- assume exponential\r\n- assume zero intrinsic ellipticity\r\n- assume fixed Gaussian PSF\r\n- fixed intrinsic size (recommend ~0.3 arcsec half-light-radius)\r\n\r\nOutputs\r\n----------\r\n- a ~24x24ish galaxy postage stamp image \r\n- PSF (image).\r\n- RA/DEC/z (initially just passes straight through so can be used in eventual shape catalog, though, ultimately, these will be inferred from the data)\r\n\r\nAfter first round trip, we can add shape noise, size noise, etc."},"comment":{"url":"https://api.github.com/repos/DarkEnergyScienceCollaboration/BremertonRoundTrip/issues/comments/134295907","html_url":"https://github.com/DarkEnergyScienceCollaboration/BremertonRoundTrip/issues/2#issuecomment-134295907","issue_url":"https://api.github.com/repos/DarkEnergyScienceCollaboration/BremertonRoundTrip/issues/2","id":134295907,"user":{"login":"jmeyers314","id":3650485,"avatar_url":"https://avatars.githubusercontent.com/u/3650485?v=3","gravatar_id":"","url":"https://api.github.com/users/jmeyers314","html_url":"https://github.com/jmeyers314","followers_url":"https://api.github.com/users/jmeyers314/followers","following_url":"https://api.github.com/users/jmeyers314/following{/other_user}","gists_url":"https://api.github.com/users/jmeyers314/gists{/gist_id}","starred_url":"https://api.github.com/users/jmeyers314/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jmeyers314/subscriptions","organizations_url":"https://api.github.com/users/jmeyers314/orgs","repos_url":"https://api.github.com/users/jmeyers314/repos","events_url":"https://api.github.com/users/jmeyers314/events{/privacy}","received_events_url":"https://api.github.com/users/jmeyers314/received_events","type":"User","site_admin":false},"created_at":"2015-08-24T16:46:09Z","updated_at":"2015-08-24T16:46:09Z","body":"I’m planning to attack this (and HSM) today.\n\n> On Aug 24, 2015, at 7:51 AM, Anže Slosar <notifications@github.com> wrote:\n> \n> I've just implemented HDF5 reading writing into fastcat. @jmeyers314 <https://github.com/jmeyers314> : do you want to do catalog ->galsim images or shall I try to?\n> \n> —\n> Reply to this email directly or view it on GitHub <https://github.com/DarkEnergyScienceCollaboration/BremertonRoundTrip/issues/2#issuecomment-134232234>.\n> \n\n"}}