This Is Not a Globe

<!DOCTYPE html>
<meta charset="utf-8">
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script src="//d3js.org/topojson.v1.min.js"></script>
<script>

var width = 960,
    height = 600;

var radius = height / 2 - 5,
    scale = radius * 2 / Math.PI,
    offset = radius * 4,
    velocity = .1;

var projection = d3.geo.equirectangular()
    .scale(scale)
    .precision(0);

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

var context = canvas.node().getContext("2d");

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

d3.json("/../../data/world-110m.json", function(error, world) {
  if (error) throw error;

var land = topojson.feature(world, world.objects.land);

d3.timer(function(elapsed) {
    context.clearRect(0, 0, width, height);
    context.save();

context.beginPath();
    context.arc(width / 2, height / 2, radius, 0, 2 * Math.PI, true);
    context.clip();

var x = velocity * elapsed % offset;
    if (x > offset / 2) x -= offset;

projection.translate([x, height / 2]);
    context.beginPath();
    path(land);
    context.fill();

projection.translate([x + offset, height / 2]);
    context.beginPath();
    path(land);
    context.fill();

context.restore();

context.beginPath();
    context.arc(width / 2, height / 2, radius, 0, 2 * Math.PI, true);
    context.lineWidth = 2.5;
    context.stroke();
  });
});

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

</script>

Changed /mbostock/raw/4090846/world-110m.json to a local referenece

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

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