compactcode/index.html

## index.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <style type="text/css">
    #container {
      width:  455px;
      margin: auto;
    }
    #small {
      width:  150px;
      height: 150px;
    }
    #large {
      width:  300px;
      height: 300px;
    }
    circle {
      fill: red;
    }
  </style>
  <script src="http://d3js.org/d3.v2.min.js" type="text/javascript"></script>
  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
</head>
<body>
  <div id="container">
    <svg id="small">
    </svg>
    <svg id="large">
    </svg>
  </div>
  <script type="text/javascript">
    d3.json("world.json", function(result) {
      renderMap("#small", $("#small").width(), result);
      renderMap("#large", $("#large").width(), result);
    });

    function renderMap(id, size, result) {
      var projection = d3.geo.mercator();

      projection.scale(size);
      projection.translate([size / 2, size / 2]);

      var map = d3.select(id);

      map.selectAll("path")
        .data(result.features)
        .enter()
          .append("path")
            .attr("d", d3.geo.path().projection(projection));
    }
  </script>
</body>
</html>

## world.json

      
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              world.json
            
          
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	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="utf-8" />
	<style type="text/css">
	#container {
	width: 455px;
	margin: auto;
	}
	#small {
	width: 150px;
	height: 150px;
	}
	#large {
	width: 300px;
	height: 300px;
	}
	circle {
	fill: red;
	}
	</style>
	<script src="http://d3js.org/d3.v2.min.js" type="text/javascript"></script>
	<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js" type="text/javascript"></script>
	</head>
	<body>
	<div id="container">
	<svg id="small">
	</svg>
	<svg id="large">
	</svg>
	</div>
	<script type="text/javascript">
	d3.json("world.json", function(result) {
	renderMap("#small", $("#small").width(), result);
	renderMap("#large", $("#large").width(), result);
	});

	function renderMap(id, size, result) {
	var projection = d3.geo.mercator();

	projection.scale(size);
	projection.translate([size / 2, size / 2]);

	var map = d3.select(id);

	map.selectAll("path")
	.data(result.features)
	.enter()
	.append("path")
	.attr("d", d3.geo.path().projection(projection));
	}
	</script>
	</body>
	</html>