{"action":"created","issue":{"url":"https://api.github.com/repos/isetbio/isetbio/issues/136","repository_url":"https://api.github.com/repos/isetbio/isetbio","labels_url":"https://api.github.com/repos/isetbio/isetbio/issues/136/labels{/name}","comments_url":"https://api.github.com/repos/isetbio/isetbio/issues/136/comments","events_url":"https://api.github.com/repos/isetbio/isetbio/issues/136/events","html_url":"https://github.com/isetbio/isetbio/issues/136","id":166734907,"number":136,"title":"Cone packing density as a function of eccentricity","user":{"login":"wandell","id":1837145,"avatar_url":"https://avatars.githubusercontent.com/u/1837145?v=3","gravatar_id":"","url":"https://api.github.com/users/wandell","html_url":"https://github.com/wandell","followers_url":"https://api.github.com/users/wandell/followers","following_url":"https://api.github.com/users/wandell/following{/other_user}","gists_url":"https://api.github.com/users/wandell/gists{/gist_id}","starred_url":"https://api.github.com/users/wandell/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/wandell/subscriptions","organizations_url":"https://api.github.com/users/wandell/orgs","repos_url":"https://api.github.com/users/wandell/repos","events_url":"https://api.github.com/users/wandell/events{/privacy}","received_events_url":"https://api.github.com/users/wandell/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"wandell","id":1837145,"avatar_url":"https://avatars.githubusercontent.com/u/1837145?v=3","gravatar_id":"","url":"https://api.github.com/users/wandell","html_url":"https://github.com/wandell","followers_url":"https://api.github.com/users/wandell/followers","following_url":"https://api.github.com/users/wandell/following{/other_user}","gists_url":"https://api.github.com/users/wandell/gists{/gist_id}","starred_url":"https://api.github.com/users/wandell/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/wandell/subscriptions","organizations_url":"https://api.github.com/users/wandell/orgs","repos_url":"https://api.github.com/users/wandell/repos","events_url":"https://api.github.com/users/wandell/events{/privacy}","received_events_url":"https://api.github.com/users/wandell/received_events","type":"User","site_admin":false},"assignees":[{"login":"wandell","id":1837145,"avatar_url":"https://avatars.githubusercontent.com/u/1837145?v=3","gravatar_id":"","url":"https://api.github.com/users/wandell","html_url":"https://github.com/wandell","followers_url":"https://api.github.com/users/wandell/followers","following_url":"https://api.github.com/users/wandell/following{/other_user}","gists_url":"https://api.github.com/users/wandell/gists{/gist_id}","starred_url":"https://api.github.com/users/wandell/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/wandell/subscriptions","organizations_url":"https://api.github.com/users/wandell/orgs","repos_url":"https://api.github.com/users/wandell/repos","events_url":"https://api.github.com/users/wandell/events{/privacy}","received_events_url":"https://api.github.com/users/wandell/received_events","type":"User","site_admin":false}],"milestone":null,"comments":29,"created_at":"2016-07-21T04:26:27Z","updated_at":"2016-07-29T11:04:43Z","closed_at":null,"body":"\r\nToday, we discussed the need for a function of cone density from eccentricity to the periphery.  We have a function for RGC scaling (retinalLocationToTEE) based on Chichilnisky.\r\n\r\nHere are references to relatively recent AO measurements of cone sampling by Burns, Carroll and others.\r\n\r\n    As a function of age and eccentricity:\r\nhttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC3183974/\r\nhttp://iovs.arvojournals.org/article.aspx?articleid=2165591\r\nVariation of Cone Photoreceptor Packing Density with Retinal Eccentricity and Age\r\nHongxin Song, Toco Yuen Ping Chui, Zhangyi Zhong, Ann E. Elsner, and Stephen A. Burns\r\n\r\n    Follow up and extension\r\nhttp://www.sciencedirect.com/science/article/pii/S0002939415002378\r\nVariability in Human Cone Topography Assessed by Adaptive Optics Scanning Laser Ophthalmoscopy Tianjiao Zhanga, Pooja Godarab, Ernesto R. Blancob, Russell L. Griffinc, Xiaolin Wangb, Christine A. Curciob, Yuhua Zhangb\r\n\r\n    From Stockman\r\nhttp://www.cvrl.org/database/text/intros/introdens.htm\r\nhttp://www.cvrl.org/database/text/density/cones.htm\r\n\r\n    Eccentricity dependent changes of density, spacing and packing arrangement of parafoveal cones\r\nMarco Lombardo, Sebastiano Serrao , Pietro Ducoli1 and Giuseppe Lombardo\r\nhttp://www.inviewmedical.pl/wp-content/uploads/2015/08/2013.03-OPO-Lombardo-Eccentricity-dependent-changes-of-density-spacing-and-packing-arrangement-of-parafoveal-cones.pdf\r\n\r\n    Variations with refractive error\r\nIndividual Variations in Human Cone Photoreceptor Packing Density: Variations with Refractive Error. Toco Yuen Ping Chui; HongXin Song; Stephen A. Burns\r\nhttp://iovs.arvojournals.org/article.aspx?articleid=2125900\r\n\r\n    On reliability\r\nThe Repeatability of In Vivo Parafoveal Cone Density and Spacing Measurementsa\r\nRobert Garrioch, BS, Christopher Langlo, BS, Adam M. Dubis, BA, Robert F. Cooper, BS, Alf Dubra, PhD, and Joseph Carroll, PhD\r\nhttp://www.ncbi.nlm.nih.gov/pmc/articles/PMC3348369/\r\n\r\n    Classic Curcio\r\nhttps://cis.uab.edu/sloan/PRtopo/Curcio_JCompNeurol1990_PRtopo_searchable.pdf\r\n"},"comment":{"url":"https://api.github.com/repos/isetbio/isetbio/issues/comments/236153780","html_url":"https://github.com/isetbio/isetbio/issues/136#issuecomment-236153780","issue_url":"https://api.github.com/repos/isetbio/isetbio/issues/136","id":236153780,"user":{"login":"npcottaris","id":3444212,"avatar_url":"https://avatars.githubusercontent.com/u/3444212?v=3","gravatar_id":"","url":"https://api.github.com/users/npcottaris","html_url":"https://github.com/npcottaris","followers_url":"https://api.github.com/users/npcottaris/followers","following_url":"https://api.github.com/users/npcottaris/following{/other_user}","gists_url":"https://api.github.com/users/npcottaris/gists{/gist_id}","starred_url":"https://api.github.com/users/npcottaris/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/npcottaris/subscriptions","organizations_url":"https://api.github.com/users/npcottaris/orgs","repos_url":"https://api.github.com/users/npcottaris/repos","events_url":"https://api.github.com/users/npcottaris/events{/privacy}","received_events_url":"https://api.github.com/users/npcottaris/received_events","type":"User","site_admin":false},"created_at":"2016-07-29T11:04:43Z","updated_at":"2016-07-29T11:04:43Z","body":"Here is another example: Vernier scene isomerizations, now visualized using an achromatic color map,\r\n\r\n```\r\ntheHexMosaic.visualizeActivationMaps(...\r\n    isomerizationsVernier, ...\r\n    'signalName', 'isomerizations (R*/cone/integration time)', ...\r\n    'figureSize', [1550 950], ...\r\n    'mapType', 'modulated hexagons', ...   % choose between 'density plot', 'modulated disks' and 'modulated hexagons''\r\n    'colorMap', bone(1024) ...\r\n    )\r\n```\r\nwhich produces the following figure:\r\n\r\n<img width=\"1536\" alt=\"verniermosaicactivationshex\" src=\"https://cloud.githubusercontent.com/assets/3444212/17246487/15024de6-5595-11e6-8659-4ee50be0dd2f.png\">\r\n\r\nAgain, zoom in into the figure to appreciate the fine details."}}
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