G2 - The Grammar Of Graphics

地图 / 美国各个机场航线图

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源码

<!DOCTYPE html>
  <html>
    <head>
      <meta charset="utf-8">
      <title>美国各个机场航线图</title>
      <link rel="stylesheet" href="https://os.alipayobjects.com/s/prod/g2/static/doc-b57e62881a0344ecde9e68c4ce312143.css"/>
      
      <script src="https://a.alipayobjects.com/jquery/jquery/1.11.1/jquery.js"></script>

<script src="https://a.alipayobjects.com/g/datavis/g2/2.2.1/g2.js"></script>
    </head>
    <body>
      <div id="c1"></div>
      
      <script>
var Stat = G2.Stat;
var Frame = G2.Frame;
$.getJSON('../../static/data/USA.geo.json', function(mapData) {
  var map = [];
  var features = mapData.features;
  // 获取出所有的地图区域名称
  for(var i=0; i<features.length; i++) {
    var name = features[i].properties.name;
    map.push({
      "name": name
    });
  }

// 计算飞机的起飞、降落数
    flights.forEach(function(flight) {
      var origin = flight.origin,
          destination = flight.destination;

countByAirport[origin] = (countByAirport[origin] || 0) + 1;
      countByAirport[destination] = (countByAirport[destination] || 0) + 1;
    });

$.getJSON('../../static/data/airport.json', function(airports) {

// Only consider airports with at least one flight.
      airports = airports.filter(function(airport) {
        if (countByAirport[airport.iata]) {
          airport.count = countByAirport[airport.iata]; // 加入班次数量
          airport.x = airport.longitude;
          airport.y = airport.latitude;
          airport.id = airport.iata;
          return true;
        }
      });

var airView = chart.createView();
      airView.source(airports, defs);
      airView.point().position(Stat.map.location('longitude*latitude'))
             .color('rgb(97,145,185)')
             .shape('circle')
             .style({
               stroke: '#eee',
               lineWidth: 1
             })
             .size('count', 15, 3)
             .tooltip('iata*count');

var flightView = chart.createView(); // 飞行路线
      flightView.tooltip(false);
      flightView.source(subFlights,defs);
      flightView.edge().position(Stat.link('origin*destination', airports));
      chart.render();
      var preShape;

chart.on('plotleave', function(ev){
        if (subFlights.length) {
          subFlights = [];
          flightView.changeData([]);
        }
      });
    });
  });
});
</script>

</body>
  </html>

<script src="https://a.alipayobjects.com/g/datavis/g2/2.2.1/g2.js"></script>
      <script>
        G2.Global.setTheme('dark');
      </script>
    </head>
    <body>
      <div id="c1"></div>
      <script>
var Stat = G2.Stat;
var Frame = G2.Frame;
$.getJSON('../../static/data/USA.geo.json', function(mapData) {
  var map = [];
  var features = mapData.features;
  // 获取出所有的地图区域名称
  for(var i=0; i<features.length; i++) {
    var name = features[i].properties.name;
    map.push({
      "name": name
    });
  }

// 计算飞机的起飞、降落数
    flights.forEach(function(flight) {
      var origin = flight.origin,
          destination = flight.destination;

countByAirport[origin] = (countByAirport[origin] || 0) + 1;
      countByAirport[destination] = (countByAirport[destination] || 0) + 1;
    });

$.getJSON('../../static/data/airport.json', function(airports) {

chart.on('plotleave', function(ev){
        if (subFlights.length) {
          subFlights = [];
          flightView.changeData([]);
        }
      });
    });
  });
});
</script>

</body>
  </html>

// 计算飞机的起飞、降落数
    flights.forEach(function(flight) {
      var origin = flight.origin,
          destination = flight.destination;

countByAirport[origin] = (countByAirport[origin] || 0) + 1;
      countByAirport[destination] = (countByAirport[destination] || 0) + 1;
    });

$.getJSON('../../static/data/airport.json', function(airports) {

chart.on('plotleave', function(ev){
        if (subFlights.length) {
          subFlights = [];
          flightView.changeData([]);
        }
      });
    });
  });
});
</script>

美国各个机场航线图

带气泡的地图，其实就是气泡图和地图的结合，我们以地图为背景，在上面绘制气泡。了解更多