Created
August 22, 2012 14:31
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MapBox + d3
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src='http://api.tiles.mapbox.com/mapbox.js/v0.6.4/mapbox.js'></script> | |
| <script src='http://d3js.org/d3.v2.min.js?2.9.3'></script> | |
| <link | |
| href='http://api.tiles.mapbox.com/mapbox.js/v0.6.4/mapbox.css' | |
| rel='stylesheet' /> | |
| <style> | |
| body { margin:0; padding:0; } | |
| #map { position:absolute; top:0; bottom:0; width:100%; } | |
| .d3-vec { position:absolute; } | |
| path { | |
| fill: #000; | |
| fill-opacity: .2; | |
| stroke: #fff; | |
| stroke-width: 1.5px; | |
| } | |
| path:hover { | |
| fill: brown; | |
| fill-opacity: .7; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div id='map'></div> | |
| <script> | |
| function folly() { | |
| var f = {}, bounds, feature; | |
| var div = d3.select(document.body) | |
| .append("div") | |
| .attr('class', 'd3-vec'), | |
| svg = div.append('svg'), | |
| g = svg.append("g"); | |
| f.parent = div.node(); | |
| // Use Leaflet to implement a D3 geographic projection. | |
| f.project = function(x) { | |
| var point = f.map.locationPoint({ lat: x[1], lon: x[0] }); | |
| return [point.x, point.y]; | |
| } | |
| // Reposition the SVG to cover the features. | |
| f.draw = function() { | |
| var bounds = f.map.extent(), | |
| bl = bounds.southWest(), | |
| tr = bounds.northEast(); | |
| var bottomLeft = f.project([bl.lon, bl.lat]), | |
| topRight = f.project([tr.lon, tr.lat]); | |
| svg.attr("width", topRight[0] - bottomLeft[0]) | |
| .attr("height", bottomLeft[1] - topRight[1]) | |
| .style("margin-left", bottomLeft[0] + "px") | |
| .style("margin-top", topRight[1] + "px"); | |
| g.attr("transform", "translate(" + -bottomLeft[0] + "," + -topRight[1] + ")"); | |
| path = d3.geo.path().projection(f.project); | |
| feature.attr("d", path); | |
| } | |
| f.data = function(collection) { | |
| bounds = d3.geo.bounds(collection); | |
| feature = g.selectAll("path") | |
| .data(collection.features) | |
| .enter().append("path"); | |
| return f; | |
| }; | |
| return f; | |
| } | |
| mapbox.auto('map', 'examples.map-vyofok3q', function(map) { | |
| d3.json("us-states.json", function(collection) { | |
| var l = folly().data(collection); | |
| map.addLayer(l); | |
| map.zoom(4).center({ lat: 37, lon: -90 }); | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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