-
-
Save mukhtyar/fd2feb001d8cd8df886f9c02383f88fc to your computer and use it in GitHub Desktop.
static snapshot of active leaflet map
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| license: mit |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset=utf-8 /> | |
| <title>Leaflet Image</title> | |
| <meta name='viewport' content='width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no' /> | |
| <link rel="stylesheet" href="https://unpkg.com/[email protected]/dist/leaflet.css"/> | |
| <script src="https://unpkg.com/[email protected]/dist/leaflet.js"></script> | |
| <script src='https://unpkg.com/leaflet-image@latest/leaflet-image.js'></script> | |
| <style> | |
| #map { height:300px;} | |
| #snap {position: absolute; bottom: 100px; left: 10px; z-index: 99;} | |
| </style> | |
| </head> | |
| <body> | |
| <button id='snap'>Map Snapshot</button> | |
| <div id='images' style='float: right;'></div> | |
| <div id='map' style='width: 70%;'></div> | |
| <script type="text/javascript"> | |
| var map = L.map('map', {preferCanvas: true}).setView([40, -100], 13); | |
| var url = 'http://{s}.basemaps.cartocdn.com/light_all/{z}/{x}/{y}.png'; | |
| var cartoDBPositron = L.tileLayer(url, { | |
| attribution: 'Data: <a href="http://www.openstreetmap.org/copyright">OSM</a>, Map Tiles: <a href="http://cartodb.com/attributions">CartoDB</a>', | |
| subdomains: 'abcd', | |
| maxZoom: 19, | |
| label: 'Streets', | |
| }); | |
| map.addLayer(cartoDBPositron); | |
| var myLines = [{ | |
| "type": "LineString", | |
| "coordinates": [[-100, 40], [-105, 45], [-110, 55]] | |
| }, { | |
| "type": "LineString", | |
| "coordinates": [[-105, 40], [-110, 45], [-115, 55]] | |
| }]; | |
| var myLayer = L.geoJSON().addTo(map); | |
| myLayer.addData(myLines); | |
| document.getElementById('snap').addEventListener('click', function() { | |
| leafletImage(map, doImage); | |
| }); | |
| function doImage(err, canvas) { | |
| var img = document.createElement('img'); | |
| var dimensions = map.getSize(); | |
| imgRatio = dimensions.x / dimensions.y; | |
| img.width = 300; | |
| img.height = 300 / imgRatio; | |
| img.src = canvas.toDataURL(); | |
| document.getElementById('images').innerHTML = ''; | |
| document.getElementById('images').appendChild(img); | |
| } | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment