di-echarts
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Apache ECharts is a powerful, interactive charting and data visualization library for browser
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<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script src="lib/simpleRequire.js"></script>
<script src="lib/config.js"></script>
<script src="lib/jquery.min.js"></script>
<script src="lib/facePrint.js"></script>
<script src="lib/testHelper.js"></script>
<link rel="stylesheet" href="lib/reset.css" />
</head>
<body>
<style>
.test-title {
background: #146402;
color: #fff;
}
</style>
<div id="main0"></div>
<div id="panel0"></div>
<script>
/**
* @see <https://en.wikipedia.org/wiki/Michelson%E2%80%93Morley_experiment>
* @see <http://bl.ocks.org/mbostock/4061502>
*/
require([
'echarts',
'data/stock-DJI.json.js'
], update)
function splitData(rawData) {
var categoryData = [];
var values = [];
var volumns = [];
for (var i = 0; i < rawData.length; i++) {
categoryData.push(rawData[i].splice(0, 1)[0]);
values.push(rawData[i])
volumns.push(rawData[i][4]);
}
return {
categoryData: categoryData,
values: values,
volumns: volumns
};
}
function calculateMA(dayCount, rawData) {
var result = [];
for (var i = 0, len = rawData.length; i < len; i++) {
if (i < dayCount) {
result.push('-');
continue;
}
var sum = 0;
for (var j = 0; j < dayCount; j++) {
sum += rawData[i - j][2];
}
result.push(+(sum / dayCount).toFixed(3));
}
return result;
}
function update(echarts, rawData) {
// var data = splitData(rawData);
var option = {
dataset: {
source: rawData
},
backgroundColor: '#eee',
legend: {
left: 0,
},
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'cross'
},
backgroundColor: 'rgba(245, 245, 245, 0.8)',
borderWidth: 1,
borderColor: '#ccc',
padding: 10,
textStyle: {
color: '#000'
},
position: function (pos, params, el, elRect, size) {
var obj = {top: 10};
obj[['left', 'right'][+(pos[0] < size.viewSize[0] / 2)]] = 30;
return obj;
}
},
axisPointer: {
link: {xAxisIndex: 'all'},
label: {
backgroundColor: '#777'
}
},
toolbox: {
feature: {
dataZoom: {
yAxisIndex: false
},
brush: {
type: ['polygon', 'rect', 'lineX', 'lineY', 'keep', 'clear']
}
}
},
brush: {
xAxisIndex: 'all',
brushLink: 'all',
outOfBrush: {
colorAlpha: 0.1
}
},
grid: [
{
left: '10%',
right: '10%',
height: 300
},
// {
// left: '10%',
// right: '10%',
// height: 70,
// bottom: 80
// }
],
xAxis: [
{
type: 'category',
// data: data.categoryData,
scale: true,
boundaryGap : false,
axisLine: {onZero: false},
splitLine: {show: false},
splitNumber: 20,
min: 'dataMin',
max: 'dataMax'
},
// {
// type: 'category',
// gridIndex: 1,
// data: data.categoryData,
// scale: true,
// boundaryGap : false,
// axisLine: {onZero: false},
// axisTick: {show: false},
// splitLine: {show: false},
// axisLabel: {show: false},
// splitNumber: 20,
// min: 'dataMin',
// max: 'dataMax'
// }
],
yAxis: [
{
scale: true,
splitArea: {
show: true
}
},
// {
// scale: true,
// gridIndex: 1,
// splitNumber: 2,
// axisLabel: {show: false},
// axisLine: {show: false},
// axisTick: {show: false},
// splitLine: {show: false}
// }
],
dataZoom: [
{
type: 'inside',
// xAxisIndex: [0, 1],
// start: 99,
// end: 100
// startValue: '2010-08-17',
// endValue: '2012-08-06'
},
{
show: true,
// xAxisIndex: [0, 1],
type: 'slider',
bottom: 10,
// start: 99,
// end: 100
// startValue: '2010-08-17',
// endValue: '2012-08-06'
}
],
animation: false,
series: [
{
name: 'Dow-Jones index',
type: 'candlestick',
// large: false,
encode: {
x: 0,
y: [1, 2, 3, 4]
},
itemStyle: {
normal: {
borderColor: null,
borderColor0: null
}
},
// tooltip: {
// formatter: function (param) {
// var param = param[0];
// return [
// 'Date: ' + param.name + '<hr size=1 style="margin: 3px 0">',
// 'Open: ' + param.data[0] + '<br/>',
// 'Close: ' + param.data[1] + '<br/>',
// 'Lowest: ' + param.data[2] + '<br/>',
// 'Highest: ' + param.data[3] + '<br/>'
// ].join('')
// }
// }
},
// {
// name: 'MA5',
// type: 'line',
// sampling: 'max',
// data: calculateMA(5, rawData),
// smooth: true,
// lineStyle: {
// normal: {opacity: 0.5}
// }
// },
// {
// name: 'MA10',
// type: 'line',
// data: calculateMA(10, rawData),
// smooth: true,
// lineStyle: {
// normal: {opacity: 0.5}
// }
// },
// {
// name: 'MA20',
// type: 'line',
// data: calculateMA(20, rawData),
// smooth: true,
// lineStyle: {
// normal: {opacity: 0.5}
// }
// },
// {
// name: 'MA30',
// type: 'line',
// data: calculateMA(30, rawData),
// smooth: true,
// lineStyle: {
// normal: {opacity: 0.5}
// }
// },
// {
// name: 'Volumn',
// type: 'bar',
// xAxisIndex: 1,
// yAxisIndex: 1,
// data: data.volumns
// }
]
};
var panel = document.getElementById('panel0');
var chart = testHelper.create(echarts, 'main0', {
title: 'Use dataset. Check item tooltip in large mode.',
option: option,
height: 550
});
// chart && chart.on('brushSelected', renderBrushed);
// function renderBrushed(params) {
// var sum = 0;
// var min = Infinity;
// var max = -Infinity;
// var countBySeries = [];
// var brushComponent = params.batch[0];
// var rawIndices = brushComponent.selected[0].dataIndex;
// for (var i = 0; i < rawIndices.length; i++) {
// var val = data.values[rawIndices[i]][1];
// sum += val;
// min = Math.min(val, min);
// max = Math.max(val, max);
// }
// panel.innerHTML = [
// '<h3>STATISTICS:</h3>',
// 'SUM of open: ' + (sum / rawIndices.length).toFixed(4) + '<br>',
// 'MIN of open: ' + min.toFixed(4) + '<br>',
// 'MAX of open: ' + max.toFixed(4) + '<br>'
// ].join(' ');
// }
// chart && chart.dispatchAction({
// type: 'brush',
// areas: [
// {
// brushType: 'lineX',
// coordRange: ['2016-06-02', '2016-06-20'],
// xAxisIndex: 0
// }
// ]
// });
}
</script>
</body>
</html>