2d:null 2e:["$","title",null,{"children":"Mercator projection of a Mercator globe | Fil | Observable"}] 33:T464,map = { // You'll often see Leaflet examples initializing a map like L.map('map'), // which tells the library to look for a div with the id 'map' on the page. // In Observable, we instead create a div from scratch in this cell, so it's // completely self-contained. let container = DOM.element('div', { style: `width:${width}px;height:${width/1.3}px` }); // Note that I'm yielding the container pretty early here: this allows the // div to be placed on the page. This is important, because Leaflet uses // the div's .offsetWidth and .offsetHeight to size the map. If I were // to only return the container at the end of this method, Leaflet might // get the wrong idea about the map's size. yield container; // Now we create a map object and add a layer to it. let map = L.map(container, { minZoom: 2, maxZoom: 6 }).setView([0,15], 7); let osmLayer = L.tileLayer('https://tiles.arcgis.com/tiles/N65tCatI62OoqtGt/arcgis/rest/services/Mercator_Terre/MapServer/tile/{z}/{y}/{x}', { attribution: 'UniLausanne, Mercator Globes.' }).addTo(map); }34:[] 31:{"id":"ea7088c4626df3f2","slug":"mercator-projection-of-a-mercator-globe","title":"Mercator projection of a Mercator globe","thumbnail":"2ff406bd2fc511020913450c6ddc8006da382282c93c74cbfa2e42d87852df4a","access_level":"public","create_time":"$D2018-05-01T19:29:53.187Z","update_time":"$D2018-05-01T19:52:03.810Z","view_time":null,"first_public_time":"$D2018-05-01T19:39:08.404Z","has_unpublished_edits":null,"fork":{"id":"43395ed6a6e0de74","slug":"leaflet","title":"🍃 Leaflet","owner":{"id":"b47c3705cfcd7c1b","login":"tmcw","name":"Tom MacWright"}},"stars":2,"starred":false,"owner":{"type":"team","id":"da2a32154638c457","login":"fil","name":"Fil","avatar_url":"https://avatars-next.observableusercontent.com/d5b1777907117a2bdf2a07eb98600d7a9beb21639fde42b9753e95c88c7731a6","tier":"starter_2024"},"version":305,"publish_version":305,"role":null,"authored":false,"authors":[{"type":"individual","id":"45a379fcfcb14253","login":"fil","name":"Fil","avatar_url":"https://avatars-next.observableusercontent.com/d5b1777907117a2bdf2a07eb98600d7a9beb21639fde42b9753e95c88c7731a6","tier":null}],"members":[{"type":"individual","id":"45a379fcfcb14253","login":"fil","name":"Fil","avatar_url":"https://avatars-next.observableusercontent.com/d5b1777907117a2bdf2a07eb98600d7a9beb21639fde42b9753e95c88c7731a6","tier":null,"role":"editor"}],"comments":[],"custom_thumbnail":false,"trashed":false,"lapsed":null,"subscribed":null,"forks":0,"collection":{"id":"8d7a994f5bc56ea2","slug":"projections","title":"Projections","owner":{"id":"da2a32154638c457","login":"fil","name":"Fil"}},"type":"notebook","body":{"title":"Mercator projection of a Mercator globe","cells":[{"id":0,"value":"md`# Mercator projection of a Mercator globe`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":7,"value":"$33","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":271,"value":"md`The University of Lausanne has recently discovered it had two beautifully ~~forgotten~~ preserved globes produced by Gérard Mercator, restaured them, and put them up on ESRI for an amazing [🌎orthographic projection](https://www.arcgis.com/home/webscene/viewer.html?webscene=3fd3b29db53745238f6f5e70dc0911d9).\n\nOf course we can display the tileset in the 🗺 Mercator projection as well, using [Leaflet.js](https://beta.observablehq.com/@tmcw) (thanks, Tom!).\n\nLearn all about this discovery and restauration here:\n\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":11,"value":"html`

\ntech zone\n`","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"},{"id":4,"value":"L = require('leaflet@1.2.0')","pinned":false,"hidden":false,"mode":"ojs","author":"$undefined","summary":"$undefined","output":"$undefined","database":"$undefined"}],"files":"$W34","stdlib":"1","titling":"auto"}} 32:"$31:body"