{"version":"1.0","type":"rich","title":"Stereographic","description":"- had seen pics like these, thought they were interesting\r\n- guessed that they were magnetic fields or something\r\n- actually is mapping from sphere points to a plane: https:\/\/en.wikipedia.org\/wiki\/Stereographic_projection\r\n- long and verbose code, to learn, much more compact implementations exist","author_name":"andrewl","author_url":"https:\/\/turtletoy.net\/user\/andrewl","provider_name":"Turtletoy","provider_url":"https:\/\/turtletoy.net\/","license":{"fullName":"Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International","shortName":"CC BY-NC-SA 4.0","url":"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/"},"thumbnail_url":"https:\/\/turtletoy.net\/thumbnail\/8ec8e10a07.jpg","thumbnail_width":512,"thumbnail_height":512,"html":"<iframe src=\"https:\/\/turtletoy.net\/embed\/8ec8e10a07\" width=\"1025px\" height=\"554px\" style=\"max-width: 100%; border: 0\" sandbox=\"allow-scripts allow-top-navigation allow-top-navigation-by-user-activation allow-forms allow-popups allow-same-origin\"><\/iframe>","width":1025,"height":554}