Recreating the result of Mike Bostock's awesome tutorial with OpenLayers
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December 21, 2015 12:28
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OpenLayers & GeoJSON
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>openlayers</title> | |
| <style> | |
| body { | |
| margin: 0em 0em; | |
| } | |
| #map { | |
| width: 960px; | |
| height: 500px; | |
| border: 1px solid #ccc; | |
| } | |
| path { | |
| fill: #000; | |
| fill-opacity: .2; | |
| stroke: #fff; | |
| stroke-width: 1.5px; | |
| } | |
| path:hover { | |
| fill: brown; | |
| fill-opacity: .7; | |
| } | |
| </style> | |
| <script src="http://openlayers.org/api/OpenLayers.js"></script> | |
| <body> | |
| <div id="map"></div> | |
| <script> | |
| var map = new OpenLayers.Map('map'); | |
| var layer = new OpenLayers.Layer.WMS( "OpenLayers WMS", | |
| "http://vmap0.tiles.osgeo.org/wms/vmap0", {layers: 'basic'} ); | |
| map.addLayer(layer); | |
| map.zoomToExtent([ -125, 20, -65, 50]); // draw the map centered on the US | |
| var states = new OpenLayers.Layer.Vector("GeoJSON", { | |
| protocol: new OpenLayers.Protocol.HTTP({ | |
| url: "us-states.json", | |
| format: new OpenLayers.Format.GeoJSON() | |
| }), | |
| strategies: [new OpenLayers.Strategy.Fixed()] | |
| }); | |
| map.addLayer( states ); | |
| </script> |
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