forked from mbostock's block: Google Maps + D3
Created
June 9, 2016 12:54
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Google Maps + D3
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| license: gpl-3.0 |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="initial-scale=1.0, user-scalable=no"/> | |
| <style> | |
| html, body, #map { | |
| width: 100%; | |
| height: 100%; | |
| margin: 0; | |
| padding: 0; | |
| } | |
| .stations, .stations svg { | |
| position: absolute; | |
| } | |
| .stations svg { | |
| width: 60px; | |
| height: 20px; | |
| padding-right: 100px; | |
| font: 10px sans-serif; | |
| } | |
| .stations circle { | |
| fill: brown; | |
| stroke: black; | |
| stroke-width: 1.5px; | |
| } | |
| </style> | |
| <div id="map"></div> | |
| <script src="//maps.google.com/maps/api/js?sensor=true"></script> | |
| <script src="//d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| // Create the Google Map… | |
| var map = new google.maps.Map(d3.select("#map").node(), { | |
| zoom: 8, | |
| center: new google.maps.LatLng(37.76487, -122.41948), | |
| mapTypeId: google.maps.MapTypeId.TERRAIN | |
| }); | |
| // Load the station data. When the data comes back, create an overlay. | |
| d3.json("stations.json", function(error, data) { | |
| if (error) throw error; | |
| var overlay = new google.maps.OverlayView(); | |
| // Add the container when the overlay is added to the map. | |
| overlay.onAdd = function() { | |
| var layer = d3.select(this.getPanes().overlayLayer).append("div") | |
| .attr("class", "stations"); | |
| // Draw each marker as a separate SVG element. | |
| // We could use a single SVG, but what size would it have? | |
| overlay.draw = function() { | |
| var projection = this.getProjection(), | |
| padding = 10; | |
| var marker = layer.selectAll("svg") | |
| .data(d3.entries(data)) | |
| .each(transform) // update existing markers | |
| .enter().append("svg") | |
| .each(transform) | |
| .attr("class", "marker"); | |
| // Add a circle. | |
| marker.append("circle") | |
| .attr("r", 4.5) | |
| .attr("cx", padding) | |
| .attr("cy", padding); | |
| // Add a label. | |
| marker.append("text") | |
| .attr("x", padding + 7) | |
| .attr("y", padding) | |
| .attr("dy", ".31em") | |
| .text(function(d) { return d.key; }); | |
| function transform(d) { | |
| d = new google.maps.LatLng(d.value[1], d.value[0]); | |
| d = projection.fromLatLngToDivPixel(d); | |
| return d3.select(this) | |
| .style("left", (d.x - padding) + "px") | |
| .style("top", (d.y - padding) + "px"); | |
| } | |
| }; | |
| }; | |
| // Bind our overlay to the map… | |
| overlay.setMap(map); | |
| }); | |
| </script> |
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| {"KMAE":[-120.12,36.98,"MADERA MUNICIPAL AIRPORT",[26,1,2,5,6,3,2,1,2,7,29,12,3]],"KSJC":[-121.92,37.37,"SAN JOSE INTERNATIONAL AIRPORT",[28,1,1,1,6,10,5,3,2,4,14,21,7]],"KMCE":[-120.50,37.28,"MERCED MUNICIPAL AIRPORT",[29,1,1,3,7,5,2,1,3,6,12,26,5]],"KMER":[-120.57,37.37,"Merced / Castle Air Force Base",[34,1,1,1,4,5,2,1,1,4,17,22,7]],"KAPC":[-122.28,38.20,"NAPA COUNTY AIRPORT",[23,2,1,6,3,3,8,18,11,13,4,3,5]],"KSUU":[-121.95,38.27,"Fairfield / Travis Air Force Base",[13,7,4,3,3,6,4,13,33,4,1,2,7]],"KSQL":[-122.25,37.52,"San Carlos Airport",[18,3,2,2,3,4,3,2,5,17,16,12,12]],"KSNS":[-121.60,36.67,"SALINAS MUNICIPAL AIRPORT",[21,1,1,6,12,3,1,2,9,21,17,5,1]],"KMOD":[-120.95,37.62,"MODESTO CITY CO SHAM FLD",[27,1,1,2,10,5,1,1,1,3,17,24,8]],"KOAK":[-122.23,37.72,"METRO OAKLAND INTERNATIONAL AIRPORT ",[16,3,3,2,4,6,3,4,9,23,20,6,2]],"KSCK":[-121.23,37.90,"STOCKTON METROPOLITAN AIRPORT ",[21,2,2,3,6,8,2,1,4,15,19,12,4]],"KCCR":[-122.05,38.00,"CONCORD BUCHANAN FIELD",[24,3,2,1,1,5,17,12,9,9,7,6,4]],"KMRY":[-121.85,36.58,"MONTEREY PENINSULA AIRPORT",[26,1,2,9,5,3,4,9,13,14,9,4,1]],"KPAO":[-122.12,37.47,"Palo Alto Airport",[31,3,1,1,2,5,1,1,1,4,10,25,14]],"KSAC":[-121.50,38.50,"SACRAMENTO EXECUTIVE AIRPORT ",[32,1,0,1,3,11,12,16,5,2,4,9,3]],"KHWD":[-122.12,37.67,"HAYWARD AIR TERMINAL",[20,2,7,2,2,6,3,3,6,23,18,6,2]],"KSTS":[-122.82,38.50,"SANTA ROSA SONOMA COUNTY",[46,1,0,1,5,13,10,4,3,3,4,6,3]],"KSMF":[-121.60,38.70,"SACRAMENTO INTERNATIONAL AIRPORT",[19,2,1,2,4,21,18,8,3,2,5,12,4]],"KNUQ":[-122.05,37.43,"MOFFETT FIELD",[35,3,1,1,4,7,2,1,2,5,6,17,15]],"KRHV":[-121.82,37.33,"San Jose / Reid / Hillv",[35,0,0,1,4,4,2,1,1,10,28,11,1]],"KWVI":[-121.78,36.93,"WATSONVILLE MUNICIPAL AIRPORT ",[44,1,2,3,4,5,7,9,8,4,6,5,2]],"KMHR":[-121.30,38.55,"Sacramento, Sacramento Mather Airport",[21,1,1,2,8,15,12,12,7,4,5,7,3]],"KVCB":[-121.95,38.38,"VACAVILLE NUT TREE AIRPORT",[36,2,1,1,2,6,10,18,10,2,2,5,6]],"KSFO":[-122.37,37.62,"SAN FRANCISCO INTERNATIONAL AIRPORT ",[13,3,3,2,3,4,4,4,7,31,20,2,3]],"KLVK":[-121.82,37.70,"LIVERMORE MUNICIPAL AIRPORT ",[32,2,7,3,1,1,2,7,9,17,16,2,1]]} |
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