s2t2/README.md

## README.md

      
    Raw
  

              README.md
            
          
    These county, state and country boundaries are extracted from a single TopoJSON file. Counties are stroked in thin gray, states in thin black, and the country in thick black.

  
## index.html
<!DOCTYPE html>
<meta charset="utf-8">
<style>

path {
  fill: none;
  stroke: #000;
  stroke-width: .5px;
}

.land-boundary {
  stroke-width: 1px;
}

.county-boundary {
  stroke: #aaa;
}

</style>
<body>
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://d3js.org/topojson.v1.min.js"></script>
<script>

var width = 960,
    height = 500;

var path = d3.geo.path();

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

d3.json("/mbostock/raw/4090846/us.json", function(error, topology) {
  svg.append("path")
      .datum(topojson.feature(topology, topology.objects.land))
      .attr("d", path)
      .attr("class", "land-boundary");

  svg.append("path")
      .datum(topojson.mesh(topology, topology.objects.counties, function(a, b) { return a !== b && (a.id / 1000 | 0) === (b.id / 1000 | 0); }))
      .attr("d", path)
      .attr("class", "county-boundary");

  svg.append("path")
      .datum(topojson.mesh(topology, topology.objects.states, function(a, b) { return a !== b; }))
      .attr("d", path)
      .attr("class", "state-boundary");
});

</script>

## thumbnail.png

      
    Raw
  

              thumbnail.png
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

	path {
	fill: none;
	stroke: #000;
	stroke-width: .5px;
	}

	.land-boundary {
	stroke-width: 1px;
	}

	.county-boundary {
	stroke: #aaa;
	}

	</style>
	<body>
	<script src="http://d3js.org/d3.v3.min.js"></script>
	<script src="http://d3js.org/topojson.v1.min.js"></script>
	<script>

	var width = 960,
	height = 500;

	var path = d3.geo.path();

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

	d3.json("/mbostock/raw/4090846/us.json", function(error, topology) {
	svg.append("path")
	.datum(topojson.feature(topology, topology.objects.land))
	.attr("d", path)
	.attr("class", "land-boundary");

	svg.append("path")
	.datum(topojson.mesh(topology, topology.objects.counties, function(a, b) { return a !== b && (a.id / 1000 \| 0) === (b.id / 1000 \| 0); }))
	.attr("d", path)
	.attr("class", "county-boundary");

	svg.append("path")
	.datum(topojson.mesh(topology, topology.objects.states, function(a, b) { return a !== b; }))
	.attr("d", path)
	.attr("class", "state-boundary");
	});

	</script>