D3 Examples - flight

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<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>
​
<body>
  <script>
        var width = 700,
          height = 580;
        var svg = d3.select( "body" )
        .append( "svg" )
          .attr( "width", width )
          .attr( "height", height );
    var projection = d3.geoConicConformal() //quelle projection utiliser ???? Pas forcément important
                                        .translate([width/2, height/2])
                                        .center([15, 50]).scale(800);
    var path = d3.geoPath() // d3.geo.path avec d3 version 3
                 .projection(projection);
    var path2 = d3.geoPath()
                                    .projection(projection);
    
    d3.json("custom.geo.json", function(json) {
        svg.selectAll("path")
           .data(json.features)
           .enter()
           .append("path")
           .attr("d", path)
            .style("fill",'grey');
        });
    d3.json("map.geojson", function(json) {
        svg.selectAll("path")
           .data(json.features)
           .enter()
           .append("path")
           .attr("d", path)
            .style("fill",'grey');
        });
  </script>
</body>
    