// Generated by CoffeeScript 1.10.0
(function() {
  var contents, graticule, height, path, projection, svg, width, zoom, zoomable_layer;

  svg = d3.select('svg');

  width = svg.node().getBoundingClientRect().width;

  height = svg.node().getBoundingClientRect().height;

  zoomable_layer = svg.append('g');

  zoom = d3.zoom().scaleExtent([-Infinity, Infinity]).on('zoom', function() {
    return zoomable_layer.attrs({
      transform: d3.event.transform
    });
  });

  svg.call(zoom);

  projection = d3.geoWinkel3().rotate([0, 0]).center([0, 0]).scale((width - 3) / (2 * Math.PI)).translate([width / 2, height / 2]);

  path = d3.geoPath(projection);

  graticule = d3.geoGraticule();

  svg.append('defs').append('path').datum(graticule.outline()).attrs({
    id: 'sphere',
    d: path
  });

  zoomable_layer.append('use').attrs({
    "class": 'sphere_fill',
    'xlink:href': '#sphere'
  });

  contents = zoomable_layer.append('g');

  zoomable_layer.append('path').datum(graticule).attrs({
    "class": 'graticule',
    d: path
  });

  zoomable_layer.append('use').attrs({
    "class": 'sphere_stroke',
    'xlink:href': '#sphere'
  });

  d3.json('https://unpkg.com/world-atlas@1/world/50m.json', function(geo_data) {
    return contents.append('path').datum(topojson.feature(geo_data, geo_data.objects.countries)).attrs({
      "class": 'countries',
      d: path
    });
  });

}).call(this);