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candlestick-large3.html
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<!DOCTYPE html>
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
-->
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script src="lib/esl.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 rawDataChunkSize = 1e4;
var chunkCount = 20;
var minute = 60 * 1000;
var xValue = +new Date(2011, 0, 1);
var baseValue = Math.random() * 12000;
var xValueMin = 0;
var xValueMax = rawDataChunkSize * chunkCount;
var yValueMin = Infinity;
var yValueMax = -Infinity;
var rawData = [];
for (var i = 0; i < chunkCount; i++) {
rawData.push(generateOHLC(rawDataChunkSize));
}
yValueMax = Math.ceil(yValueMax);
yValueMin = Math.floor(yValueMin);
function run() {
frameInsight.init(echarts, 'duration');
// var data = generateOHLC(rawDataChunkSize);
var chart = window.chart = init();
var loadedChunkIndex = 0;
appendData();
function appendData() {
if (loadedChunkIndex >= chunkCount) {
return;
}
setTimeout(function () {
chart.appendData({seriesIndex: 0, data: rawData[loadedChunkIndex]});
loadedChunkIndex++;
appendData();
}, 300);
}
}
function generateOHLC(count) {
var data = [];
var tmpVals = 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++) {
tmpVals[j] = (Math.random() - 0.5) * dayRange + baseValue;
if (tmpVals[j] < yValueMin) {
yValueMin = tmpVals[j];
}
if (tmpVals[j] > yValueMax) {
yValueMax = tmpVals[j];
}
}
tmpVals.sort();
var idxRandom = Math.random();
var openIdx = Math.round(Math.random() * 3);
var closeIdx = Math.round(Math.random() * 2);
if (closeIdx === openIdx) {
closeIdx++;
}
// ['open', 'close', 'lowest', 'highest']
// [1, 4, 3, 2]
data.push([
echarts.format.formatTime('yyyy-MM-dd hh:mm:ss', xValue += minute),
+tmpVals[openIdx].toFixed(2), // open
+tmpVals[3].toFixed(2), // highest
+tmpVals[0].toFixed(2), // lowest
+tmpVals[closeIdx].toFixed(2) // close
]);
}
return data;
}
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() {
var option = {
backgroundColor: '#eee',
// animation: false,
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: xValueMin,
max: xValueMax
},
// {
// 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
},
min: yValueMin,
max: yValueMax
},
// {
// 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
}
],
series: [
{
type: 'candlestick',
// progressiveMode: 'linear',
// data: data,
encode: {
x: 0,
y: [1, 4, 3, 2]
},
// progressiveChunkMode: 'sequential'
// progressive: false
// progressive: progressive
// 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',
// data: calculateMA(5, data),
// smooth: true,
// lineStyle: {
// normal: {opacity: 0.5}
// }
// },
// {
// name: 'MA10',
// type: 'line',
// data: calculateMA(10, data),
// smooth: true,
// lineStyle: {
// normal: {opacity: 0.5}
// }
// },
// {
// name: 'MA20',
// type: 'line',
// data: calculateMA(20, data),
// smooth: true,
// lineStyle: {
// normal: {opacity: 0.5}
// }
// },
// {
// name: 'MA30',
// type: 'line',
// data: calculateMA(30, data),
// 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: 'Append data and progressive by mod',
autoResize: false,
option: option,
height: 550
});
return chart;
// 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>