D3 Examples - US State Geo Map

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="utf-8">
        <title>US State projection</title>
        <script type="text/javascript" src="https://d3js.org/d3.v3.js"></script>
        <style type="text/css">
​
            body {
                background-color: white;
            }
​
            h1 {
                font-family: sans-serif;
                font-size: 20px;
                padding-left: 30px;
                padding-top: 0px;
            }
​
            h2 {
                font-family: sans-serif;
                font-size: 12px;
                padding-left: 30px;
                font-weight: normal;
                padding-top: 10px;
            }
​
            svg {
                background-color: white;
            }
​
            #container {
                width: 800px;
                margin-left: auto;
                margin-right: auto;
                margin-top: 60px;
                padding: 50px;
                background-color: white;
                border: 1px solid #ccc;
                /*box-shadow: 3px 3px 5px 6px #ccc;*/
            }
​
​
​
        </style>
    </head>
    <body>
        <div id="container">
​
        <h1>Unite States Geo Map</h1>
​
        </div>
​
        <script type="text/javascript">
            //Width and height
            var w = 500;
            var h = 300;
​
            //Define map projection
            var projection = d3.geo.albersUsa()
                                   .translate([ w/2, h/2 ])
                                   .scale([ 600 ]);
​
            //Define path generator
            var path = d3.geo.path()
                             .projection(projection);
​
            //Create SVG
            var svg = d3.select("#container")
                        .append("svg")
                        .attr("width", w)
                        .attr("height", h);
​
            //Load in GeoJSON data
            d3.json("usstate.json", function(json) {
                //Bind data and create one path per GeoJSON feature
                svg.selectAll("path")
                   .data(json.features)
                   .enter()
                   .append("path")
                   .attr("d", path)
                   .style({fill: "steelblue", stroke: "#eee"});
        
            });
​
​
        
        </script>
    </body>
</html>
    