Satellite Projection

forked from mbostock's block: Satellite Projection

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

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

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

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script src="//d3js.org/d3.geo.projection.v0.min.js"></script>
<script src="//d3js.org/topojson.v1.min.js"></script>
<script>

var width = 960,
    height = 960;

var projection = d3.geo.satellite()
    .distance(1.1)
    .scale(5500)
    .rotate([76.00, -34.50, 32.12])
    .center([-2, 5])
    .tilt(25)
    .clipAngle(Math.acos(1 / 1.1) * 180 / Math.PI - 1e-6)
    .precision(.1);

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

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

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

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

d3.json("https://gist.githubusercontent.com/mbostock/4090846/raw/d534aba169207548a8a3d670c9c2cc719ff05c47/us-land.json", function(error, us) {
  if (error) throw error;

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

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

</script>

https://d3js.org/d3.v3.min.js

https://d3js.org/d3.geo.projection.v0.min.js

https://d3js.org/topojson.v1.min.js