geo3D-export.html
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<!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 src="js/exportGL2OBJ.js"></script>
<script src="lib/download.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',
tooltip: {},
toolbox: {
feature: {
myExportObj: {
title: 'Export OBJ',
icon: 'M4.7,22.9L29.3,45.5L54.7,23.4M4.6,43.6L4.6,58L53.8,58L53.8,43.6M29.2,45.1L29.2,0',
onclick: function () {
var res = echarts.exportGL2OBJ(chart, {
mainType: 'geo3D',
index: 0
}, {
mtllib: 'geo3D'
});
download(res.obj, 'geo3D.obj', 'text/plain');
download(res.mtl, 'geo3D.mtl', 'text/plain');
res.textures.forEach(function (texture) {
download(texture.data, texture.file, 'image/png');
});
}
}
}
},
geo3D: {
map: 'world',
shading: 'lambert',
environment: new echarts.graphic.LinearGradient(0, 0, 0, 1, [{
offset: 0, color: '#00aaff' // 天空颜色
}, {
offset: 0.6, color: '#998866' // 地面颜色
}, {
offset: 1, color: '#998866' // 地面颜色
}]
),
lambertMaterial: {
detailTexture: 'asset/woods.jpg',
textureTiling: 20
},
postEffect: {
enable: true,
screenSpaceAmbientOcclusion: {
enable: true,
radius: 3,
intensity: 2
}
},
groundPlane: {
show: true
},
light: {
main: {
intensity: 1,
shadow: true,
shadowQuality: 'high',
alpha: 30
},
ambient: {
intensity: 0
},
ambientCubemap: {
texture: 'asset/canyon.hdr',
exposure: 2,
diffuseIntensity: 0.3
}
},
viewControl: {
distance: 50
},
itemStyle: {
// borderColor: '#222',
// borderWidth: 1
},
regionHeight: 0.5,
regions: regions
},
series: []
});
chart.on('click', function (e) {
console.log(e);
});
});
window.addEventListener('resize', function () {
chart.resize();
});
</script>
</body>
</html>