treemap3D.html
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Tree Map 3D - 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="https://rawgit.com/ecomfe/echarts/master/dist/echarts.min.js"></script>
<script src="../dist/echarts-gl.js"></script>
<script src="lib/jquery.min.js"></script>
<script>
function convert(source, target, basePath) {
for (var key in source) {
var path = basePath ? (basePath + '.' + key) : key;
if (key.match(/^\$/)) {
}
else {
target.children = target.children || [];
var child = {
name: path
};
target.children.push(child);
convert(source[key], child, path);
}
}
if (!target.children) {
target.value = source.$count || 1;
}
else {
target.children.push({
name: basePath,
value: source.$count
});
}
}
var chart = echarts.init(document.getElementById('main'));
chart.showLoading();
$.getJSON('data/ec-option-doc-statistics-201604.json', function (rawData) {
var data = [];
chart.hideLoading();
convert(rawData, data, '');
var canvas = document.createElement('canvas');
canvas.width = canvas.height = 2048;
var treemapChart = echarts.init(canvas);
treemapChart.setOption(option = {
tooltip: {},
series: [{
name: 'option',
type: 'treemap',
visibleMin: 300,
data: data.children,
// leafDepth: 4,
left: 0,
right: 0,
top: 0,
bottom: 0,
breadcrumb: {
show: false
},
levels: [
{
itemStyle: {
normal: {
borderColor: '#555',
borderWidth: 4,
gapWidth: 4
}
}
},
{
colorSaturation: [0.3, 0.6],
itemStyle: {
normal: {
borderColorSaturation: 0.7,
gapWidth: 2,
borderWidth: 2
}
}
},
{
colorSaturation: [0.3, 0.5],
itemStyle: {
normal: {
borderColorSaturation: 0.6,
gapWidth: 1
}
}
},
{
colorSaturation: [0.3, 0.5]
}
]
}]
});
var treemapData = treemapChart.getModel().getSeriesByIndex(0).getData();
var tree = treemapData.tree;
echarts.registerMap('treemap', {
type: 'FeatureCollection',
features: treemapData.mapArray(function (idx) {
var itemLayout = treemapData.getItemLayout(idx);
if (itemLayout && itemLayout.height && itemLayout.width && !itemLayout.invisible) {
return {
type: 'Feature',
geometry: {
type: 'Polygon',
coordinates: [[
[itemLayout.x, 2048 - itemLayout.y],
[itemLayout.x + itemLayout.width, 2048 - itemLayout.y],
[itemLayout.x + itemLayout.width, 2048 - itemLayout.y - itemLayout.height],
[itemLayout.x, 2048 - itemLayout.y - itemLayout.height]
]]
},
properties: {
name: treemapData.getName(idx)
}
}
}
}).filter(function (item) {
return !!item;
})
});
var regions = treemapData.mapArray(function (idx) {
var itemLayout = treemapData.getItemLayout(idx);
if (itemLayout && itemLayout.height && itemLayout.width && !itemLayout.invisible) {
return {
height: tree.getNodeByDataIndex(idx).depth + 1,
name: treemapData.getName(idx)
// itemStyle: {
// areaColor: treemapData.getItemVisual(idx, 'color')
// }
};
}
}).filter(function (item) {
return !!item;
});
chart.setOption({
geo3D: {
silent: true,
map: 'treemap',
instancing: true,
regions: regions,
aspectScale: 1,
lambertMaterial: {
detailTexture: treemapChart
},
projectUVOnGround: true,
postEffect: {
enable: true,
screenSpaceAmbientOcclusion: {
enable: true,
radius: 3,
intensity: 1.5
},
depthOfField: {
enable: true,
blurRadius: 3
}
},
light: {
main: {
intensity: 1,
shadow: true,
shadowQuality: 'high',
alpha: 30
},
ambient: {
intensity: 0
},
ambientCubemap: {
texture: 'asset/canyon.hdr',
exposure: 2,
diffuseIntensity: 0.3
}
},
viewControl: {
minBeta: -Infinity,
maxBeta: Infinity
}
},
series: []
});
});
window.addEventListener('resize', function () {
chart.resize();
});
</script>
</body>
</html>