var width = 960;
var height = 490;

d3.select('svg')
    .attr('width', width)
    .attr('height', height);

var worldProjection = d3.geoEquirectangular();

d3.select('svg').selectAll('path')
    .data(map_json.features)
    .enter()
    .append('path')
    .attr('fill', '#099');

var dAttributeFunction = d3.geoPath()
    .projection(worldProjection);

d3.selectAll('path').attr('d', dAttributeFunction);