scatter3D-nutrients.html
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Grid3D - 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="../dist/echarts-gl.js"></script>
<script src="lib/jquery.min.js"></script>
<script src="lib/dat.gui.js"></script>
<script src="js/commonUI.js"></script>
<script>
var chart = echarts.init(document.getElementById('main'));
var indices = {
name: 0,
group: 1,
id: 16
};
var schema = [
{name: 'name', index: 0},
{name: 'group', index: 1},
{name: 'protein', index: 2},
{name: 'calcium', index: 3},
{name: 'sodium', index: 4},
{name: 'fiber', index: 5},
{name: 'vitaminc', index: 6},
{name: 'potassium', index: 7},
{name: 'carbohydrate', index: 8},
{name: 'sugars', index: 9},
{name: 'fat', index: 10},
{name: 'water', index: 11},
{name: 'calories', index: 12},
{name: 'saturated', index: 13},
{name: 'monounsat', index: 14},
{name: 'polyunsat', index: 15},
{name: 'id', index: 16}
];
var config = {
xAxis3D: 'protein',
yAxis3D: 'fiber',
zAxis3D: 'sodium',
color: 'fiber',
symbolSize: 'vitaminc'
};
var fieldIndices = schema.reduce(function (obj, item) {
obj[item.name] = item.index;
return obj;
}, {});
var groupCategories = [];
var groupColors = [];
var data;
var fieldNames = schema.map(function (item) {
return item.name;
});
fieldNames = fieldNames.slice(2, fieldNames.length - 2);
function getMaxOnExtent(data) {
var colorMax = -Infinity;
var symbolSizeMax = -Infinity;
for (var i = 0; i < data.length; i++) {
var item = data[i];
var colorVal = item[fieldIndices[config.color]];
var symbolSizeVal = item[fieldIndices[config.symbolSize]];
colorMax = Math.max(colorVal, colorMax);
symbolSizeMax = Math.max(symbolSizeVal, symbolSizeMax);
}
return {
color: colorMax,
symbolSize: symbolSizeMax
};
}
$.getJSON('./data/nutrients.json', function (data) {
var max = getMaxOnExtent(data);
chart.setOption({
tooltip: {},
visualMap: [{
top: 10,
calculable: true,
dimension: 3,
max: max.color / 2,
inRange: {
color: ['#1710c0', '#0b9df0', '#00fea8', '#00ff0d', '#f5f811', '#f09a09', '#fe0300']
},
textStyle: {
color: '#fff'
}
}, {
bottom: 10,
calculable: true,
dimension: 4,
max: max.symbolSize / 2,
inRange: {
symbolSize: [5, 20]
},
textStyle: {
color: '#fff'
}
}],
xAxis3D: {
name: config.xAxis3D,
type: 'value'
},
yAxis3D: {
name: config.yAxis3D,
type: 'value'
},
zAxis3D: {
name: config.zAxis3D,
type: 'value'
},
grid3D: {
axisLine: {
lineStyle: {
color: '#fff'
}
},
axisPointer: {
lineStyle: {
color: '#ffbd67'
}
},
viewControl: {
// autoRotate: true
// projection: 'orthographic'
}
},
series: [{
type: 'scatter3D',
dimensions: [
config.xAxis3D,
config.yAxis3D,
config.yAxis3D,
config.color,
config.symbolSiz
],
data: data.map(function (item, idx) {
return [
item[fieldIndices[config.xAxis3D]],
item[fieldIndices[config.yAxis3D]],
item[fieldIndices[config.zAxis3D]],
item[fieldIndices[config.color]],
item[fieldIndices[config.symbolSize]],
idx
];
}),
symbolSize: 12,
// symbol: 'triangle',
itemStyle: {
borderWidth: 1,
borderColor: 'rgba(255,255,255,0.8)'
},
emphasis: {
itemStyle: {
color: '#fff'
}
}
}]
});
var gui = new dat.GUI();
['xAxis3D', 'yAxis3D', 'zAxis3D', 'color', 'symbolSize'].forEach(function (fieldName) {
gui.add(config, fieldName, fieldNames).onChange(function () {
var max = getMaxOnExtent(data);
if (data) {
chart.setOption({
visualMap: [{
max: max.color / 2
}, {
max: max.symbolSize / 2
}],
xAxis3D: {
name: config.xAxis3D
},
yAxis3D: {
name: config.yAxis3D
},
zAxis3D: {
name: config.zAxis3D
},
series: {
dimensions: [
config.xAxis3D,
config.yAxis3D,
config.yAxis3D,
config.color,
config.symbolSiz
],
data: data.map(function (item, idx) {
return [
item[fieldIndices[config.xAxis3D]],
item[fieldIndices[config.yAxis3D]],
item[fieldIndices[config.zAxis3D]],
item[fieldIndices[config.color]],
item[fieldIndices[config.symbolSize]],
idx
];
})
}
});
}
});
});
});
window.addEventListener('resize', function () {
chart.resize();
});
</script>
</body>
</html>