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Posted to dev@echarts.apache.org by GitBox <gi...@apache.org> on 2018/04/18 03:11:03 UTC
[GitHub] mohsu opened a new issue #8180: Scatter plot在大量資料下用tooltip會有series消失
mohsu opened a new issue #8180: Scatter plot在大量資料下用tooltip會有series消失
URL: https://github.com/apache/incubator-echarts/issues/8180
### One-line summary [问题简述]
scatter plot在資料點多時，會因為使用tooltip造成一條series消失(而且只發生在tooltip trigger: 'axis')
資料點大約有5萬筆(3 series合計)，資料點少的時候不會發生這樣的情形，tooltip trigger是item的狀況下也不會有這樣的問題
另外echart.min.js不支持x-axis為時間的scatter plot，換成echart.js才有
### Version & Environment [版本及环境]
+ ECharts version [ECharts 版本]: echart 4.0.4
+ Browser version [浏览器类型和版本]: Chrome 65.0.3325.181
+ OS Version [操作系统类型和版本]: Windows 1709(16299.371)
### Expected behaviour [期望结果]
原本有藍、粉紅兩條series
tooltip出現後只剩一條(且不完整)
### ECharts option [ECharts配置项]
<!-- Copy and paste your 'echarts option' here. -->
<!-- [下方贴你的option，注意不要删掉下方 ```javascript 和 尾部的 ``` 字样。最好是我们能够直接运行的 option。如何得到能运行的 option 参见上方的 guidelines for contributing] -->
```javascript
option = {
axisPointer: {
link: {xAxisIndex: 'all'},
lineStyle: {
type: 'dashed'
},
},
tooltip: {
trigger: 'axis',
showDelay : 0,
borderWidth: 1,
borderColor: '#ccc',
formatter: function (params) {
//self-defined tooltip format
var data_string = "";
var time_Date = "";
var time = "";
for (var i = 0; i < params.length; i++) {
if (time === "") {
time = echarts.format.formatTime('hh:mm:ss', new Date(params[0].value[0]));
time_Date = echarts.format.formatTime('dd/MM/yyyy hh:mm:ss', new Date(params[0].value[0]));
}
data_string += '<span style="display:inline-block;margin-right:5px;border-radius:10px;width:9px;height:9px;background-color:' + params[i].color + '">'+'</span>'+ params[i].seriesName + " : " + params[i].value[1] + "(" + params[i].value[2] + ")</br>";
}
return time + "</br>" + data_string;
},
}, //end of tooltip
animation: false,
grid: [{
left: '5%',
right: '3%',
height: '60%',
z: 1
}, {
left: '5%',
right: '3%',
top: '78%',
height: '9%',
z: 2
}
],
xAxis: [{
type: 'time',
scale: true,
show: false,
boundaryGap: false,
axisLine: {onZero: false},
min: new Date('{{ selectiondic.min_time }}'),
max: new Date('{{ selectiondic.max_time }}'),
axisLabel: {show: false},
}, {
type: 'time',
gridIndex: 1,
scale: true,
boundaryGap: false,
axisLine: {onZero: false},
axisTick: {show: false},
splitLine: {show: false},
axisLabel: {
formatter: function (value) {
return echarts.format.formatTime('hh:mm:ss', new Date(value)) + ' \n' + echarts.format.formatTime('dd-MM-yy', new Date(value));
}
},
min: new Date('{{ selectiondic.min_time }}'),
max: new Date('{{ selectiondic.max_time }}'),
}],
yAxis: [{
name: 'odds',
type: 'value',
scale: true,
axisLine: {onZero: false},
splitArea: {
show: true
}
}, {
type: 'value',
scale: true,
gridIndex: 1,
splitNumber: 2,
axisLine: {show: false},
axisTick: {show: false},
splitLine: {show: false},
axisLabel: {
show: false
},
splitArea: {
show: true
}
}],
series: [{{ selectiondic.echart_data | safe}}],
dataZoom: [{ //mouse
type: 'inside',
xAxisIndex: [0, 1]
}, { //slider
type: 'slider',
xAxisIndex: [0, 1],
bottom: 5,
showDataShadow: true,
showDetail: false
}],
toolbox: {
feature: {
restore: {
title: "restore",
},
saveAsImage: {
title: "saveImage"
}
}
},
}
```
### Other comments [其他信息]
{{ variable }}為django變數
series: [{
type: 'scatter',
data: %s,
symbolSize: 4,
animation: false,
large: true,
largeThreshold: 3000,
}% getXYZ()]
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