Satellite Projection by vlandham

index.html

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

.graticule {
  fill: none;
  stroke: #777;
}

.boundary {
  fill: #ccc;
  fill-opacity: .8;
  stroke: #000;
}

.background {
  fill: none;
  pointer-events: all;
}

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script src="https://raw.github.com/d3/d3-plugins/master/geo/projection/projection.js"></script>
<script>


var width = 960,
    height = 960;

var map, graticule;

var projection = d3.geo.satellite()
    .distance(1.1)
    .scale(5500)
    .rotate([76.00, -34.50, 32.12])
    .center([-2, 5])
    .tilt(25)
    .clipAngle(25);



var graticule = d3.geo.graticule()
    .extent([[-93, 27], [-47 + 1e-6, 57 + 1e-6]])
    .step([3, 3]);

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

function zoomer() {
  projection.translate(d3.event.translate).scale(d3.event.scale);
  map.attr("d", path);
  graticule.attr("d", path);

}

var zoom = d3.behavior.zoom()
  .translate(projection.translate())
  .scale(projection.scale())
  .on("zoom", zoomer);

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

svg.append("rect")
    .attr("class", "background")
    .attr("width", width)
    .attr("height", height)
    .attr("pointer-events", "all")


graticule = svg.append("path")
    .datum(graticule)
    .attr("class", "graticule")
    .attr("d", path);

d3.json("/d/3750900/us-boundary.json", function(error, collection) {
  map = svg.append("path")
      .datum(collection)
      .attr("class", "boundary")
      .attr("d", path);
});

d3.select(self.frameElement).style("height", height + "px");

</script>