sergeiwallace/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Example of map explained in maptimeLex Introduction to D3.js Web Mapping Through 7 Simple Maps.

  
## index.html
<html>
<head>
    <meta charset="utf-8">
    <title>A D3 map using topojson</title>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/queue-async/1.0.7/queue.min.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/topojson/1.6.19/topojson.min.js"></script>

    <link href="http://fonts.googleapis.com/css?family=Montserrat" rel="stylesheet" type="text/css">
<style>
    body {
        padding: 0;
        margin: 0;
        background: whitesmoke;
    }
    h1 {
        position: absolute;
        left: 20px;
        top: 10px;
        font-family: "Proxima Nova", Montserrat, sans-serif;
        font-size: 2em;
        font-weight: 100;
        color: #005DAA; /* offical UK Kentucky blue */
    }
    .county {
      stroke: #fff;
      fill:#005DAA;
    }
</style>
</head>
<body>
    <h1>Kentucky Counties</h1>
  <script>

    var width = 900,
        height = 600;

    var svg = d3.select( "body" )
          .append( "svg" )
          .attr( "width", width )
          .attr( "height", height );

    var projection = d3.geo.albers()
        .center([0, 37.8])
		.rotate([85.8,0])
        .scale(8000)
        .translate([width / 2, height / 2]);

    var geoPath = d3.geo.path()
        .projection(projection);

    queue()
        .defer(d3.json, "ky-counties.json")
        .await(ready);

    function ready(error, counties){

         svg.append("g")
            .selectAll("path")
            .data( topojson.feature(counties, counties.objects.counties).features)
            .enter()
            .append("path")
            .attr( "d", geoPath )
            .attr("class","county");

    }

  </script>
</body>
</html>

## ky-counties.json

      
Display the source blob

    
Display the rendered blob

    
    Raw
  

              ky-counties.json
            
          
      Loading

      Sorry, something went wrong. Reload?
      Sorry, we cannot display this file.
      Sorry, this file is invalid so it cannot be displayed.
      
          Viewer requires iframe.
      
    
## thumbnail.png

      
    Raw
  

              thumbnail.png
	<html>
	<head>
	<meta charset="utf-8">
	<title>A D3 map using topojson</title>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/queue-async/1.0.7/queue.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/topojson/1.6.19/topojson.min.js"></script>

	<link href="http://fonts.googleapis.com/css?family=Montserrat" rel="stylesheet" type="text/css">
	<style>
	body {
	padding: 0;
	margin: 0;
	background: whitesmoke;
	}
	h1 {
	position: absolute;
	left: 20px;
	top: 10px;
	font-family: "Proxima Nova", Montserrat, sans-serif;
	font-size: 2em;
	font-weight: 100;
	color: #005DAA; /* offical UK Kentucky blue */
	}
	.county {
	stroke: #fff;
	fill:#005DAA;
	}
	</style>
	</head>
	<body>
	<h1>Kentucky Counties</h1>
	<script>

	var width = 900,
	height = 600;

	var svg = d3.select( "body" )
	.append( "svg" )
	.attr( "width", width )
	.attr( "height", height );

	var projection = d3.geo.albers()
	.center([0, 37.8])
	.rotate([85.8,0])
	.scale(8000)
	.translate([width / 2, height / 2]);

	var geoPath = d3.geo.path()
	.projection(projection);

	queue()
	.defer(d3.json, "ky-counties.json")
	.await(ready);

	function ready(error, counties){

	svg.append("g")
	.selectAll("path")
	.data( topojson.feature(counties, counties.objects.counties).features)
	.enter()
	.append("path")
	.attr( "d", geoPath )
	.attr("class","county");

	}

	</script>
	</body>
	</html>