Created
July 14, 2013 13:24
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HTML: D3: Leaflet: Transparency Demo
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>Testmap</title> | |
| <meta charset="utf-8" /> | |
| <script src="http://cdn.leafletjs.com/leaflet-0.6.1/leaflet.js"></script> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <style> | |
| @import url(http://cdn.leafletjs.com/leaflet-0.6.1/leaflet.css); | |
| </style> | |
| </head> | |
| <body> | |
| <div id="map" style="width: 960px; height: 300px"></div> | |
| <script> | |
| var map = L.map('map').setView([52.52,13.384], 13); | |
| var toolserver = L.tileLayer('http://{s}.www.toolserver.org/tiles/bw-mapnik/{z}/{x}/{y}.png'); | |
| var stamen = L.tileLayer('http://{s}.tile.stamen.com/toner/{z}/{x}/{y}.png', {attribution: 'Add some attributes here!'}).addTo(map); | |
| var baseLayers = {"stamen": stamen, "toolserver-mapnik":toolserver}; | |
| var overlays = {}; | |
| d3.json("roads2.js", function(collection) { | |
| //console.log(collection) | |
| collection.features.forEach(function(feature,i){ | |
| //console.log(feature.geometry.coordinates) | |
| var polyline_red = L.polyline(feature.geometry.coordinates.map(function(d){return [d[1],d[0]]}), {color: 'rgba(100%,0%,0%,0.33)'}); | |
| overlays["Polyline red"+i] = polyline_red; | |
| var polyline_blue = L.polyline(feature.geometry.coordinates.map(function(d){return [d[1],d[0]]}), {color: 'rgba(0%,0%,100%,0.33)'}); | |
| overlays["Polyline blue"+i] = polyline_blue; | |
| var polyline_green = L.polyline(feature.geometry.coordinates.map(function(d){return [d[1],d[0]]}), {color: 'rgba(0%,100%,0%,0.33)'}); | |
| overlays["Polyline green"+i] = polyline_green; | |
| }) | |
| //console.log(overlays) | |
| L.control.layers(baseLayers, overlays).addTo(map); | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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| { | |
| "type": "FeatureCollection", | |
| "features": [ | |
| { "type": "Feature", "id": 0, "properties": { "id": 0, "street": "number 1", "length": 1 }, "geometry": { "type": "LineString", "coordinates": [ [ 13.424244, 52.539179 ], [ 13.421705701409467, 52.539576815907466 ], [ 13.42183003062355, 52.539687723163105 ], [ 13.422166851598536, 52.540291556826226 ], [ 13.42236706832899, 52.540650784116721 ], [ 13.4226, 52.54064 ] ] } } | |
| , | |
| { "type": "Feature", "id": 9, "properties": { "id": 10, "street": "number 2", "length": 10 }, "geometry": { "type": "LineString", "coordinates": [ [ 13.40031, 52.51801 ], [ 13.3996705721827, 52.517765112439875 ], [ 13.399670572182709, 52.517765112439861 ], [ 13.399176455188746, 52.517654943693323 ], [ 13.397880188568315, 52.517573576643279 ], [ 13.397615860238052, 52.518724568870446 ], [ 13.397225437613784, 52.519266719174603 ], [ 13.397065264229472, 52.519479922561445 ], [ 13.396694863278245, 52.519650484525975 ], [ 13.396414559855696, 52.519668758982903 ], [ 13.396134256433148, 52.519760131153504 ], [ 13.395183226963786, 52.520460644814797 ], [ 13.394102056619669, 52.5212646989009 ], [ 13.393401298063297, 52.521776362020844 ], [ 13.393501406428491, 52.521812909158513 ], [ 13.39383176403364, 52.521989553228643 ], [ 13.393921861562315, 52.522062647118865 ], [ 13.394974927632834, 52.521762139072038 ] ] } } | |
| ] | |
| } |
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