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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2022/06/09 04:31:47 UTC
[GitHub] [echarts] shadabumer opened a new issue, #17186: [Bug] Echarts are plotted wrongly for type time, if the time data is given with timezone offset
shadabumer opened a new issue, #17186:
URL: https://github.com/apache/echarts/issues/17186
### Version
5.2.1
### Link to Minimal Reproduction
_No response_
### Steps to Reproduce
**_index.html_**
```
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Area Pieces - Apache ECharts Demo</title>
<link rel="stylesheet" href="./style.css">
</head>
<body>
<div id="chart-container"></div>
<script src="https://fastly.jsdelivr.net/npm/echarts@5.3.2/dist/echarts.min.js"></script>
<script src="./index.js"></script>
</body>
</html>
```
**_index.js_**
```
var dom = document.getElementById("chart-container");
var myChart = echarts.init(dom, null, {
renderer: "canvas",
useDirtyRect: false
});
var app = {};
var option;
option = {
xAxis: {
type: "time",
boundaryGap: false
},
yAxis: {
type: "value",
boundaryGap: [0, "30%"]
},
visualMap: {
type: "piecewise",
show: false,
dimension: 0,
seriesIndex: 0,
pieces: [
{
gt: 1,
lt: 3,
color: "rgba(0, 0, 180, 0.4)"
},
{
gt: 5,
lt: 7,
color: "rgba(0, 0, 180, 0.4)"
}
]
},
series: [
{
type: "line",
smooth: 0,
symbol: "none",
lineStyle: {
color: "#5470C6",
width: 5
},
markLine: {
symbol: ["none", "none"],
label: { show: false },
data: [{ xAxis: 1 }, { xAxis: 3 }, { xAxis: 5 }, { xAxis: 7 }]
},
areaStyle: {},
data: [
["2022-05-31 17:25:00+05:30", 19],
["2022-05-31 17:30:00+05:30", 29],
["2022-05-31 17:35:00+05:30", 39],
["2022-05-31 17:40:00+05:30", 49],
["2022-05-31 17:45:00+05:30", 19],
["2022-05-31 17:50:00+05:30", 19],
["2022-05-31 17:55:00+05:30", 19],
["2022-05-31 18:00:00+05:30", 19],
["2022-05-31 18:05:00+05:30", 19],
["2022-05-31 18:10:00+05:30", 19],
["2022-05-31 18:15:00+05:30", 19]
]
}
]
};
if (option && typeof option === "object") {
myChart.setOption(option);
}
window.addEventListener("resize", myChart.resize);
```
Here in the series data, along with date and time, timezone (+05:30) is also provided.
### Current Behavior
The chart plotted against the data is skewed by 30 mins.
### Expected Behavior
Users expect the chart to start the plotting from 17:25 but it begins at 17:55 and is expected to end at 18:15 but ends at 18:45.
### Environment
```markdown
- OS: Windows
- Browser: Chrome
- Framework: Vanilla JS, Angular@11
```
### Any additional comments?
_No response_
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[GitHub] [echarts] shadabumer commented on issue #17186: [Bug] Echarts are plotted wrongly for type time, if the time data is given with timezone offset
Posted by GitBox <gi...@apache.org>.
shadabumer commented on issue #17186:
URL: https://github.com/apache/echarts/issues/17186#issuecomment-1157343120
My current time zone is **(GMT+5:30) Indian Standard Time**. So for the data point `["2022-05-31 17:25:00+05:30", 19]` the line should be plotted at 17:25, but currently, it's plotting to 17:55 which is differed by 30 minutes.
I am not sure about your time zone. So to test in your system, you can change your system's timezone to (GMT+5:30) and check the output
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[GitHub] [echarts] shadabumer commented on issue #17186: [Bug] Echarts are plotted wrongly for type time, if the time data is given with timezone offset
Posted by GitBox <gi...@apache.org>.
shadabumer commented on issue #17186:
URL: https://github.com/apache/echarts/issues/17186#issuecomment-1156001403
The reproduction link which I have provided uses the echart version 5.3.2 and the problem still exists.
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[GitHub] [echarts] jiawulin001 commented on issue #17186: [Bug] Echarts are plotted wrongly for type time, if the time data is given with timezone offset
Posted by GitBox <gi...@apache.org>.
jiawulin001 commented on issue #17186:
URL: https://github.com/apache/echarts/issues/17186#issuecomment-1155926059
As is tested, there seems not to be such bugs in 5.3.x.. Would you mind trying using 5.3.x to plot?
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Re: [I] [Bug] Echarts are plotted wrongly for type time, if the time data is given with timezone offset [echarts]
Posted by "devnull73 (via GitHub)" <gi...@apache.org>.
devnull73 commented on issue #17186:
URL: https://github.com/apache/echarts/issues/17186#issuecomment-2011196509
Can confirm, we have the same issue. Our local TZ is UTC+8:00, but the data is UTC+9:30. The data is offset by 30 mins, as if it is interpretting the timezone as UTC+9.
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[GitHub] [echarts] jiawulin001 commented on issue #17186: [Bug] Echarts are plotted wrongly for type time, if the time data is given with timezone offset
Posted by GitBox <gi...@apache.org>.
jiawulin001 commented on issue #17186:
URL: https://github.com/apache/echarts/issues/17186#issuecomment-1156034093
Right, what I am seeing is as followed in your link:
And it doesn't look like what you've provided in the issue and looks good to me.
Is this demo what you think is problematic? Did I miss anything?
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Re: [I] [Bug] Echarts are plotted wrongly for type time, if the time data is given with timezone offset [echarts]
Posted by "devnull73 (via GitHub)" <gi...@apache.org>.
devnull73 commented on issue #17186:
URL: https://github.com/apache/echarts/issues/17186#issuecomment-2011249005
Still exists in echarts 5.5.0
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