geo3D-transparent.html 2.3 KB
<!doctype html>
<html>
    <head>
        <meta charset="utf-8">
        <title>Geo3D - 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/world-population.json', function (populationData) {

                var max = -Infinity;
                var min = Infinity;
                populationData.forEach(function (item) {
                    max = Math.max(Math.log(item.value), max);
                    min = Math.min(Math.log(item.value), min);
                });

                var regions = populationData.map(function (item) {
                    return {
                        name: item.name,
                        height: (Math.log(item.value) - min) / (max - min) * 3
                    };
                })

                chart.setOption({
                    backgroundColor: '#cdcfd5',
                    geo3D: {
                        map: 'world',
                        shading: 'lambert',
                        groundPlane: {
                            show: true
                        },
                        viewControl: {
                            distance: 50
                        },

                        itemStyle: {
                            color: 'rgba(255, 255, 255, 0.8)'
                            // borderColor: '#222',
                            // borderWidth: 1
                        },

                        regionHeight: 0.5,

                        regions: regions
                    },
                    series: []
                });

            });
            window.addEventListener('resize', function () {
                chart.resize();
            });
        </script>
    </body>
</html>