linesGL.html
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Airline - ECHARTS-GL</title>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes"> <!-- Fullscreen Landscape on iOS -->
<link rel="stylesheet" href="./common.css">
</head>
<body>
<div id="main"></div>
<script src="../node_modules/echarts/dist/echarts.js"></script>
<script src="https://cdn.jsdelivr.net/npm/echarts@4.9.0/map/js/world.js"></script>
<script src="../dist/echarts-gl.js"></script>
<script src="lib/jquery.min.js"></script>
<script src="js/commonUI.js"></script>
<script>
var chart = echarts.init(document.getElementById('main'));
$.getJSON('data/flights2.json', function (data) {
// Airport: [name, city, country, longitude, latitude]
function getAirportCoord(idx) {
return [data.airports[idx][3], data.airports[idx][4]];
}
var routes = data.routes.map(function (airline) {
return [
getAirportCoord(airline[1]),
getAirportCoord(airline[2])
];
});
chart.setOption({
progressiveStep: 5000,
backgroundColor: '#003',
geo: {
map: 'world',
left: 0,
right: 0,
silent: true,
roam: true,
itemStyle: {
normal: {
borderColor: '#003',
color: '#005'
}
}
},
series: [{
type: 'linesGL',
coordinateSystem: 'geo',
blendMode: 'lighter',
data: routes,
lineStyle: {
curveness: 0.2,
opacity: 0.05
}
}]
});
window.onresize = chart.resize;
});
</script>
</body>
</html>