mbostock/.block

## .block
license: gpl-3.0

## README.md

      
        

                
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              README.md
            
          
        
      
      
    This example demonstrates encoding a MultiPoint geometry object using TopoJSON.

  

  

## airports.json

      
        
            
              
              
            

                
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              airports.json
            
          
        
      
    
    

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

path {
  stroke-linejoin: round;
}

.land {
  fill: #ddd;
}

.states {
  fill: none;
  stroke: #fff;
}

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

var width = 960,
    height = 500;

var projection = d3.geo.albers();

var path = d3.geo.path()
    .projection(projection)
    .pointRadius(1.5);

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

queue()
    .defer(d3.json, "/mbostock/raw/4090846/us.json")
    .defer(d3.json, "airports.json")
    .await(ready);

function ready(error, us, airports) {
  if (error) throw error;

  svg.append("path")
      .datum(topojson.feature(us, us.objects.land))
      .attr("class", "land")
      .attr("d", path);

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

  svg.append("path")
      .datum(topojson.feature(airports, airports.objects.airports))
      .attr("class", "points")
      .attr("d", path);
}

</script>

## thumbnail.png

      
        

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

	path {
	stroke-linejoin: round;
	}

	.land {
	fill: #ddd;
	}

	.states {
	fill: none;
	stroke: #fff;
	}

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

	var width = 960,
	height = 500;

	var projection = d3.geo.albers();

	var path = d3.geo.path()
	.projection(projection)
	.pointRadius(1.5);

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

	queue()
	.defer(d3.json, "/mbostock/raw/4090846/us.json")
	.defer(d3.json, "airports.json")
	.await(ready);

	function ready(error, us, airports) {
	if (error) throw error;

	svg.append("path")
	.datum(topojson.feature(us, us.objects.land))
	.attr("class", "land")
	.attr("d", path);

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

	svg.append("path")
	.datum(topojson.feature(airports, airports.objects.airports))
	.attr("class", "points")
	.attr("d", path);
	}

	</script>