thayashi/README.md

## README.md

      
    Raw
  

              README.md
            
          
    Working with spatial data

Example #6

Working with d3.js projections for mapping geospatial data
Built with blockbuilder.org
forked from enjalot's block: WWSD #6: d3.js projections

  
## index.html
<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
  <script src="//d3js.org/d3.geo.projection.v0.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    svg { width:100%; height: 100% }
  </style>
</head>

<body>
  <script>
    var width = 960;
    var height = 500;

    var svg = d3.select("body").append("svg")

    var projection = d3.geo.mercator()
      .scale(width / 2 / Math.PI)
      //.scale(100)
      .translate([width / 2, height / 2]);

    var projection_mollweide = d3.geo.mollweide()
      .scale(165)
      .translate([width / 2, height / 2])
      .rotate([25, 180])
      .precision(.1);

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

    var url = "http://enjalot.github.io/wwsd/data/world/world-110m.geojson";
    d3.json(url, function(err, geojson) {
      svg.append("path")
        .attr("d", path(geojson))
    });


  </script>
</body>
	<!DOCTYPE html>
	<head>
	<meta charset="utf-8">
	<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
	<script src="//d3js.org/d3.geo.projection.v0.min.js"></script>
	<style>
	body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
	svg { width:100%; height: 100% }
	</style>
	</head>

	<body>
	<script>
	var width = 960;
	var height = 500;

	var svg = d3.select("body").append("svg")

	var projection = d3.geo.mercator()
	.scale(width / 2 / Math.PI)
	//.scale(100)
	.translate([width / 2, height / 2]);

	var projection_mollweide = d3.geo.mollweide()
	.scale(165)
	.translate([width / 2, height / 2])
	.rotate([25, 180])
	.precision(.1);

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

	var url = "http://enjalot.github.io/wwsd/data/world/world-110m.geojson";
	d3.json(url, function(err, geojson) {
	svg.append("path")
	.attr("d", path(geojson))
	});



	</script>
	</body>