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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>
<script src="lib/frameInsight.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>
<div id="duration"></div>
<script>
require(['echarts'], function (echarts) {
// The data count is from a real requirement.
var rawDataCount = 2e5;
// var rawDataCount = 2e2;
function run() {
var data = generateOHLC(rawDataCount);
init(data);
}
function generateOHLC(count) {
var data = [];
var xValue = +new Date(2011, 0, 1);
var minute = 60 * 1000;
var baseValue = Math.random() * 12000;
var boxVals = new Array(4);
var dayRange = 12;
for (var i = 0; i < count; i++) {
baseValue = baseValue + Math.random() * 20 - 10;
for (var j = 0; j < 4; j++) {
boxVals[j] = (Math.random() - 0.5) * dayRange + baseValue;
}
boxVals.sort();
var idxRandom = Math.random();
var openIdx = Math.round(Math.random() * 3);
var closeIdx = Math.round(Math.random() * 2);
if (closeIdx === openIdx) {
closeIdx++;
}
var volumn = boxVals[3] * (1000 + Math.random() * 500);
// ['open', 'close', 'lowest', 'highest', 'volumn']
// [1, 4, 3, 2]
data[i] = [
echarts.format.formatTime('yyyy-MM-dd hh:mm:ss', xValue += minute),
+boxVals[openIdx].toFixed(2), // open
+boxVals[3].toFixed(2), // highest
+boxVals[0].toFixed(2), // lowest
+boxVals[closeIdx].toFixed(2), // close
volumn.toFixed(0),
getSign(data, i, +boxVals[openIdx], +boxVals[closeIdx], 4) // sign
];
}
return data;
function getSign(data, dataIndex, openVal, closeVal, closeDimIdx) {
var sign;
if (openVal > closeVal) {
sign = -1;
}
else if (openVal < closeVal) {
sign = 1;
}
else {
sign = dataIndex > 0
// If close === open, compare with close of last record
? (data[dataIndex - 1][closeDimIdx] <= closeVal ? 1 : -1)
// No record of previous, set to be positive
: 1;
}
return sign;
}
}
function calculateMA(dayCount, data) {
var result = [];
for (var i = 0, len = data.length; i < len; i++) {
if (i < dayCount) {
result.push('-');
continue;
}
var sum = 0;
for (var j = 0; j < dayCount; j++) {
sum += data[i - j][2];
}
result.push(+(sum / dayCount).toFixed(3));
}
return result;
}
function init(rawData) {
frameInsight.init(echarts, 'duration');
var upColor = '#ec0000';
var upBorderColor = '#8A0000';
var downColor = '#00da3c';
var downBorderColor = '#008F28';
var option = {
dataset: {
source: rawData
},
backgroundColor: '#eee',
legend: {
left: 0
},
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'line'
}
},
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',
scale: true,
boundaryGap : false,
// inverse: true,
axisLine: {onZero: false},
splitLine: {show: false},
splitNumber: 20,
min: 'dataMin',
max: 'dataMax'
},
{
type: 'category',
gridIndex: 1,
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: 10,
end: 100
},
{
show: true,
xAxisIndex: [0, 1],
type: 'slider',
bottom: 10,
start: 10,
end: 100
}
],
visualMap: {
show: false,
seriesIndex: 1,
dimension: 6,
pieces: [{
value: 1,
color: upColor
}, {
value: -1,
color: downColor
}]
},
series: [
{
name: 'Data Amount: ' + echarts.format.addCommas(rawDataCount),
type: 'candlestick',
itemStyle: {
color: upColor,
color0: downColor,
borderColor: upBorderColor,
borderColor0: downBorderColor
},
encode: {
x: 0,
y: [1, 4, 3, 2]
}
},
{
name: 'Volumn',
type: 'bar',
xAxisIndex: 1,
yAxisIndex: 1,
itemStyle: {
color: '#7fbe9e'
},
large: true,
encode: {
x: 0,
y: 5
}
}
]
};
var panel = document.getElementById('panel0');
var chart = testHelper.create(echarts, 'main0', {
title: [
'Progressive by mod',
'(1) Check click legend',
'(2) Check visualMap after zoomed to normal 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
// }
// ]
// });
}
run();
});
</script>
</body>
</html>