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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2020/02/26 08:36:04 UTC
[GitHub] [incubator-echarts] LarsKoelpin opened a new issue #12198:
Determine Bar-Width based on time-axis
LarsKoelpin opened a new issue #12198: Determine Bar-Width based on time-axis
URL: https://github.com/apache/incubator-echarts/issues/12198
### What problem does this feature solve?
The current barSeries is centered around its point in time.
But, to present time-based data, it is often necessary to present a bar based on a given time-window.
Currently, it is possible to determine the width of the bar in pixels but not relative to the corresponding x-value when using **time-axis**.
For my specific usecase i need to draw a bar chart representing a timewindow.
e.g. the bar shall span from 1pm to 2pm instead of centering a fixed pixelwidth around 1:30pm.
### What does the proposed API look like?
My Proposal would be the be able to specify a function, "relativeBarWith", which gets the current x value as parameter
```
{
type: "bar",
relativeBarWidth: (timestamp) => ({
startBarAt: timestamp - MS_ONE_HOUR,
endBarAt: timestamp
})
}
```
echarts would then dynamically calculate the width in pixels of the bar.
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[GitHub] [incubator-echarts] LarsKoelpin edited a comment on issue #12198:
Determine Bar-Width based on time-axis
Posted by GitBox <gi...@apache.org>.
LarsKoelpin edited a comment on issue #12198: Determine Bar-Width based on time-axis
URL: https://github.com/apache/incubator-echarts/issues/12198#issuecomment-595634544
> @LarsKoelpin Can you post a snippet of the custom chart option you used?
Sure, its the one derivation used in my reproduction case of #12221 (https://jsfiddle.net/3zrLnvqp/). The code may to off tho, as the "lowerLeft" is actually topLeft I think.
Also, as the issue suggests, you have to turn off progressive rendering
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[GitHub] [echarts] github-actions[bot] closed issue #12198: Determine Bar-Width based on time-axis
Posted by GitBox <gi...@apache.org>.
github-actions[bot] closed issue #12198:
URL: https://github.com/apache/echarts/issues/12198
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[GitHub] [incubator-echarts] LarsKoelpin commented on issue #12198:
Determine Bar-Width based on time-axis
Posted by GitBox <gi...@apache.org>.
LarsKoelpin commented on issue #12198: Determine Bar-Width based on time-axis
URL: https://github.com/apache/incubator-echarts/issues/12198#issuecomment-593905154
I managed to get it kind of working using a custom chart.
Would have been convienent to use a bar chart tho.
However, I think the ticket can be closed, as it is possible.
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[GitHub] [incubator-echarts] LarsKoelpin commented on issue #12198:
Determine Bar-Width based on time-axis
Posted by GitBox <gi...@apache.org>.
LarsKoelpin commented on issue #12198: Determine Bar-Width based on time-axis
URL: https://github.com/apache/incubator-echarts/issues/12198#issuecomment-595634544
> @LarsKoelpin Can you post a snippet of the custom chart option you used?
Sure, its the one derivation used in my reproduction case of #12221 (https://jsfiddle.net/3zrLnvqp/)
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[GitHub] [incubator-echarts] Ovilia commented on issue #12198: Determine
Bar-Width based on time-axis
Posted by GitBox <gi...@apache.org>.
Ovilia commented on issue #12198: Determine Bar-Width based on time-axis
URL: https://github.com/apache/incubator-echarts/issues/12198#issuecomment-593778579
Please consider using custom series based on [histogram chart](https://www.echartsjs.com/examples/zh/editor.html?c=bar-histogram).
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[GitHub] [incubator-echarts] mpaduada commented on issue #12198: Determine
Bar-Width based on time-axis
Posted by GitBox <gi...@apache.org>.
mpaduada commented on issue #12198: Determine Bar-Width based on time-axis
URL: https://github.com/apache/incubator-echarts/issues/12198#issuecomment-595423063
@LarsKoelpin Can you post a snippet of the custom chart option you used?
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[GitHub] [echarts] github-actions[bot] commented on issue #12198: Determine Bar-Width based on time-axis
Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on issue #12198:
URL: https://github.com/apache/echarts/issues/12198#issuecomment-1060038833
This issue has been automatically marked as stale because it did not have recent activity. It will be closed in 7 days if no further activity occurs. If you wish not to mark it as stale, please leave a comment in this issue.
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[GitHub] [incubator-echarts] echarts-bot[bot] commented on issue #12198:
Determine Bar-Width based on time-axis
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #12198: Determine Bar-Width based on time-axis
URL: https://github.com/apache/incubator-echarts/issues/12198#issuecomment-591303963
Hi! We've received your issue and please be patient to get responded. 🎉
The average response time is expected to be within one day for weekdays.
In the meanwhile, please make sure that **you have posted enough image to demo your request**. You may also check out the [API](http://echarts.apache.org/api.html) and [chart option](http://echarts.apache.org/option.html) to get the answer.
If you don't get helped for a long time (over a week) or have an urgent question to ask, you may also send an email to dev@echarts.apache.org. Please attach the issue link if it's a technical questions.
If you are interested in the project, you may also subscribe our [mail list](https://echarts.apache.org/en/maillist.html).
Have a nice day! 🍵
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[GitHub] [echarts] github-actions[bot] commented on issue #12198: Determine Bar-Width based on time-axis
Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on issue #12198:
URL: https://github.com/apache/echarts/issues/12198#issuecomment-1066181911
This issue has been automatically closed because it did not have recent activity. If this remains to be a problem with the latest version of Apache ECharts, please open a new issue and link this to it. Thanks!
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[GitHub] [incubator-echarts] LarsKoelpin edited a comment on issue #12198:
Determine Bar-Width based on time-axis
Posted by GitBox <gi...@apache.org>.
LarsKoelpin edited a comment on issue #12198: Determine Bar-Width based on time-axis
URL: https://github.com/apache/incubator-echarts/issues/12198#issuecomment-595634544
> @LarsKoelpin Can you post a snippet of the custom chart option you used?
Sure, its the one derivation used in my reproduction case of #12221 (https://jsfiddle.net/3zrLnvqp/). The code may to off tho, as the "lowerLeft" is actually topLeft I think :)
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