Forked from longhotsummer/leaflet-big-image-full.html
Created
December 13, 2016 16:33
-
-
Save lcdsantos/a2089aa3792e11b8af0f380a34ea9cfe to your computer and use it in GitHub Desktop.
Full example of using leaflet to pan and zoom a big image, as described at http://kempe.net/blog/2014/06/14/leaflet-pan-zoom-image.html
This file contains hidden or 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
| <html> | |
| <!-- See also: http://kempe.net/blog/2014/06/14/leaflet-pan-zoom-image.html --> | |
| <head> | |
| <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.css"></script> | |
| <style> | |
| #image-map { | |
| width: 100%; | |
| height: 300px; | |
| border: 1px solid #ccc; | |
| margin-bottom: 10px; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="image-map"></div> | |
| <script src="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.js"></script> | |
| <script> | |
| // Using leaflet.js to pan and zoom a big image. | |
| // See also: http://kempe.net/blog/2014/06/14/leaflet-pan-zoom-image.html | |
| // create the slippy map | |
| var map = L.map('image-map', { | |
| minZoom: 1, | |
| maxZoom: 4, | |
| center: [0, 0], | |
| zoom: 1, | |
| crs: L.CRS.Simple | |
| }); | |
| // dimensions of the image | |
| var w = 2000, | |
| h = 1500, | |
| url = 'http://kempe.net/images/newspaper-big.jpg'; | |
| // calculate the edges of the image, in coordinate space | |
| var southWest = map.unproject([0, h], map.getMaxZoom()-1); | |
| var northEast = map.unproject([w, 0], map.getMaxZoom()-1); | |
| var bounds = new L.LatLngBounds(southWest, northEast); | |
| // add the image overlay, | |
| // so that it covers the entire map | |
| L.imageOverlay(url, bounds).addTo(map); | |
| // tell leaflet that the map is exactly as big as the image | |
| map.setMaxBounds(bounds); | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment