24:null 25:["$","title",null,{"children":"Halftone | Dmitry Baranovskiy | Observable"}] 2a:[] 28:{"id":"7e13760d20649eaa","slug":"halftone/2","title":"Halftone","thumbnail":"d643117cd7db38057845e44f78cee0b99a11b50a2f7f6e47f50ff52e4a2a435e","access_level":"public","create_time":"$D2020-07-26T11:19:56.704Z","update_time":"$D2020-08-10T03:44:18.840Z","view_time":null,"first_public_time":"$D2020-07-28T02:28:22.834Z","fork":{"id":"930e787a9fb2b5e6","slug":"halftone/3","title":"Halftone","owner":{"id":"e3672025b6b6f436","login":"dmitrybaranovskiy","name":"Dmitry Baranovskiy"}},"stars":0,"starred":false,"owner":{"type":"team","id":"e3672025b6b6f436","login":"dmitrybaranovskiy","name":"Dmitry Baranovskiy","avatar_url":"https://avatars-next.observableusercontent.com/c31e7f084a49a6e09f7724ab70028e1f8a03923326f084b8f9e86a014705daf0","tier":"starter_2024"},"version":230,"publish_version":230,"role":null,"authored":false,"authors":[{"type":"individual","id":"230ca2847200ccc9","login":"dmitrybaranovskiy","name":"Dmitry Baranovskiy","avatar_url":"https://avatars-next.observableusercontent.com/c31e7f084a49a6e09f7724ab70028e1f8a03923326f084b8f9e86a014705daf0","tier":null}],"members":[{"type":"individual","id":"230ca2847200ccc9","login":"dmitrybaranovskiy","name":"Dmitry Baranovskiy","avatar_url":"https://avatars-next.observableusercontent.com/c31e7f084a49a6e09f7724ab70028e1f8a03923326f084b8f9e86a014705daf0","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"subscribed":null,"forks":0,"collection":null,"type":"notebook","body":{"title":"Halftone","cells":[{"id":0,"value":"md`# Halftone\\n## By radius and colour`","pinned":false,"hidden":false,"mode":"ojs"},{"id":130,"value":"md`Radius`","pinned":false,"hidden":false,"mode":"ojs"},{"id":2,"value":"viewof r = html``","pinned":false,"hidden":false,"mode":"ojs"},{"id":135,"value":"md`Colour`","pinned":false,"hidden":false,"mode":"ojs"},{"id":149,"value":"viewof wantRate2 = html``","pinned":false,"hidden":false,"mode":"ojs"},{"id":52,"value":"html``","pinned":false,"hidden":false,"mode":"ojs"},{"id":40,"value":"md`Colour: **${wantRate}**\\n\nRadius: **${r}**\\n\nShade: \\`rgb(${[Math.round(rgb), Math.round(rgb), Math.round(rgb)].join()})\\``","pinned":false,"hidden":false,"mode":"ojs"},{"id":156,"value":"π = Math.PI;","pinned":false,"hidden":false,"mode":"ojs"},{"id":53,"value":"sq3 = Math.sqrt(3);","pinned":false,"hidden":false,"mode":"ojs"},{"id":154,"value":"k = 3 * r / sq3;","pinned":false,"hidden":false,"mode":"ojs"},{"id":166,"value":"d = (π / (2 * sq3) - 1) / (2 * r - 3 * r / sq3) ** 2","pinned":false,"hidden":false,"mode":"ojs"},{"id":143,"value":"wantRate = wantRate2 / 100;","pinned":false,"hidden":false,"mode":"ojs"},{"id":72,"value":"rgb = 255 - 255 * wantRate;","pinned":false,"hidden":false,"mode":"ojs"},{"id":153,"value":"wantA = wantRate < π / (2 * sq3) ? r * Math.sqrt(2 * π / (wantRate * sq3)) : (k * d - Math.sqrt(k ** 2 * d ** 2 - d * (d * k ** 2 + 1 - wantRate))) / d;","pinned":false,"hidden":false,"mode":"ojs"}],"files":"$W2a","stdlib":"1","titling":"auto"}} 29:"$28:body"