ship4

Built with blockbuilder.org

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

.land {
  fill: #bbb;
}

.boundary {
  fill: none;
  stroke: #fff;
  stroke-width: .5px;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.arc {
  fill: none;
  stroke: red;
  stroke-width: 1px;
  stroke-linecap: round;
  stroke-opacity: .25;
}

.mapdot_from, .mapdot_to {
  opacity: .25;
}

</style>
<body>
<script src="https://d3js.org/d3.v3.min.js"></script>
<script src="https://d3js.org/topojson.v1.min.js"></script>
<script>

var width = 960,
    height = 500;

var projection = d3.geo.equirectangular()
    .scale(153)
    .rotate([115, 0])
    .translate([width / 2, height / 2])
    .precision(.1);

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

function transition(path) {
  path.transition().duration(2000)
        .attrTween("stroke-dasharray", tweenDash)
        .styleTween("opacity", tweenOpacity)
      .transition().delay(2100).duration(100)
        .style("opacity", 0)
        .remove();
}

function tweenDash() {
  var l = this.getTotalLength(),
      i = d3.interpolateString("0," + l, l + "," + l);
  return function(t) { return i(t); };
}

function tweenOpacity() {
  return function(t) { return 1; };
}

var svg3 = d3.select("body").append("svg")
    .attr("width", width)
    .attr("height", height);

var current_pairs = [];

d3.json("world.json", function(error, topology) {
  if (error) throw error;

svg3.append("path")
      .datum(topojson.feature(topology, topology.objects.countries))
      .attr("d", geo_path)
      .attr("class", "land");

svg3.append("path")
      .datum(topojson.mesh(topology, 
                           topology.objects.countries, 
                           function(a, b) { 
                             return a !== b && (a.id / 1000 | 0) === (b.id / 1000 | 0); 
                           }))
      .attr("d", geo_path)
      .attr("class", "boundary");

d3.csv("ship.csv", function(error, pairs) {
    if (error) throw error;
        
    i = 0;
    setInterval(function(){
      var r = Math.random();
      var new_k = pairs.length-1;
      for (var k=0; k<50; k++){

new_k = k ;

var new_pair = pairs[new_k];
      new_pair.i = i;
      current_pairs.push(new_pair);
      if (current_pairs.length >= 50) { current_pairs.shift(); }

}
    }, 10);
  
  });
  
});

</script>

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

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