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Interaction and styling GeoJSON with Leaflet.js
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| <html> | |
| <head> | |
| <title>Interaction and styling GeoJSON with Leaflet.js</title> | |
| <meta charset="utf-8"> | |
| <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.css" /> | |
| <script src="http://cdn.leafletjs.com/leaflet/v0.7.7/leaflet.js"></script> | |
| <style type="text/css"> | |
| html, body, #map{ | |
| height: 100%; | |
| padding: 0; | |
| margin: 0; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map"></map> | |
| <script type="text/javascript"> | |
| var options = { | |
| center: [0.5, 102], | |
| zoom: 8 | |
| } | |
| var geojson = [ | |
| { "type": "FeatureCollection", | |
| "features": [ | |
| { "type": "Feature", | |
| "geometry": {"type": "Point", "coordinates": [102.0, 0.5]}, | |
| "properties": {"prop0": "value0"} | |
| }, | |
| { "type": "Feature", | |
| "geometry": { | |
| "type": "LineString", | |
| "coordinates": [ | |
| [102.0, 0.0], [103.0, 1.0], [104.0, 0.0], [105.0, 1.0] | |
| ] | |
| }, | |
| "properties": { | |
| "prop0": "value0", | |
| "prop1": 0.0 | |
| } | |
| }, | |
| { "type": "Feature", | |
| "geometry": { | |
| "type": "Polygon", | |
| "coordinates": [ | |
| [ [100.0, 0.0], [101.0, 0.0], [101.0, 1.0], | |
| [100.0, 1.0], [100.0, 0.0] ] | |
| ] | |
| }, | |
| "properties": { | |
| "prop0": "value0", | |
| "prop1": {"this": "that"} | |
| } | |
| } | |
| ] | |
| }]; | |
| var map = L.map('map', options); | |
| L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {attribution: 'OSM'}) | |
| .addTo(map); | |
| var geoJsonLayer = L.geoJson(geojson, {style: styleFunction}) | |
| .addTo(map); | |
| // function styleFunction(feature) { | |
| // console.log(feature.geometry.type); | |
| // switch (feature.geometry.type) { | |
| // case 'LineString': return {color: "red"}; | |
| // case 'Polygon': return {color: "green"}; | |
| // } | |
| // } | |
| geoJsonLayer.on('mouseover', newStyle); | |
| geoJsonLayer.on('mouseout', function(e) { | |
| geoJsonLayer.resetStyle(e.target); | |
| }); | |
| function newStyle(){ | |
| geoJsonLayer.setStyle({ | |
| color: "blue" | |
| }); | |
| } | |
| function styleFunction(){ | |
| return {color: "purple"}; | |
| } | |
| </script> | |
| </body> | |
| </html> |
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