Eliot Jordan eliotjordan
eliotjordan
/ degrees2meters.js
Created
April 12, 2022 01:38
— forked from onderaltintas/degrees2meters.js
javascript coordinate conversions between 900913(3857) - 4326(lat lon)
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| var degrees2meters = function(lon,lat) { | |
| var x = lon * 20037508.34 / 180; | |
| var y = Math.log(Math.tan((90 + lat) * Math.PI / 360)) / (Math.PI / 180); | |
| y = y * 20037508.34 / 180; | |
| return [x, y] | |
| } | |
| //test | |
| lon= -77.035974 | |
| lat = 38.898717 |
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| { | |
| "baseLayer": { | |
| "tilejson": "2.2.0", | |
| "name": "base", | |
| "version": "1.0.0", | |
| "scheme": "xyz", | |
| "tiles": [ | |
| "https://a.tile.openstreetmap.org/{z}/{x}/{y}.png" | |
| ] | |
| }, |
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| { | |
| "baseLayer": { | |
| "tilejson": "2.2.0", | |
| "name": "base", | |
| "version": "1.0.0", | |
| "scheme": "xyz", | |
| "tiles": [ | |
| "https://a.tile.openstreetmap.org/{z}/{x}/{y}.png" | |
| ] | |
| }, |
eliotjordan
/ recordingmanifest.json
Last active
May 16, 2023 17:21
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| { | |
| "@context": [ | |
| "http://www.w3.org/ns/anno.jsonld", | |
| "http://iiif.io/api/presentation/3/context.json" | |
| ], | |
| "type": "Manifest", | |
| "id": "https://figgy.princeton.edu/concern/scanned_resources/480ef315-411f-4176-832b-956c3fa005a0/manifest", | |
| "label": { | |
| "eng": [ | |
| "[Concert, 2015, January 09-10] [sound recording]" |
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