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Posted to notifications@superset.apache.org by "Quatters (via GitHub)" <gi...@apache.org> on 2025/05/03 06:25:56 UTC
[I] [SIP] Timeline Chart Visualization [superset]
Quatters opened a new issue, #33349:
URL: https://github.com/apache/superset/issues/33349
*Please make sure you are familiar with the SIP process documented*
[here](https://github.com/apache/superset/issues/5602). The SIP will be numbered by a committer upon acceptance.
## [SIP] Proposal for Timeline Chart Visualization
### Motivation
Apache Superset currently lacks support for timeline-based visualizations, which are essential for analyzing event sequences and durations across a horizontal time axis.
These visualizations are widely used in:
- logistics operations tracking,
- user or system activity timelines,
- manufacturing and process monitoring,
- operations and delivery flow visualization.
Current chart types such as bar, Gantt-like hacks, or boxplots do not sufficiently support the temporal range model and the required UI features (scrolling, zooming, duration visualization).
Introducing a native Timeline Chart will address this gap, making Superset more suitable for operational dashboards where event flow over time is critical.
### Proposed Change
I propose adding a new visualization plugin: **Timeline Chart**, built on **Apache ECharts**.
Key features include:
- Event durations represented as horizontal bars on a continuous time axis.
- Category-based vertical grouping.
- **Fixed left/right time boundaries**, enabling analysts to compare time intervals across days (e.g., 08:00:00–22:00:00).
- Support for **nested subcategories** via a dimension field.
- Zoom and scroll support via ECharts’ native interaction model.
I used this example to implement plugin.
- [ECharts Custom Timeline Demo](https://echarts.apache.org/examples/en/editor.html?c=custom-profile)
How it looks in my implementation:
### New or Changed Public Interfaces
- A new chart plugin under `plugin-chart-echarts`
- New customization controls in the Explore UI:
- Time range bounds (left/right)
- Expected input data format:
- `start_time`, `end_time` (timestamps) for X axis
- `y_axis` (categories)
- `dimension` (optional) for legend
### New dependencies
No.
### Migration Plan and Compatibility
- No database migrations required.
- The plugin is fully optional and does not affect backward compatibility.
- URLs and saved charts that use this visualization will remain valid once the plugin is registered.
### Rejected Alternatives
- **Using iframe-based external dashboards**: rejected due to poor integration and limited control.
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Re: [I] [SIP-167] Timeline Chart Visualization [superset]
Posted by "Quatters (via GitHub)" <gi...@apache.org>.
Quatters commented on issue #33349:
URL: https://github.com/apache/superset/issues/33349#issuecomment-2900657703
I'll try to open a PR soon.
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Re: [I] [SIP-167] Timeline Chart Visualization [superset]
Posted by "rusackas (via GitHub)" <gi...@apache.org>.
rusackas commented on issue #33349:
URL: https://github.com/apache/superset/issues/33349#issuecomment-2898576614
Every plugin we add to the repo needs to be maintained/supported by the community. If you want to open a PR to illustrate how this all works, we can take a look, but otherwise unless there's sufficient community support here, we might want to wait (some number of months) until the Extensions architecture settles. Right now, you _can_ build this on your own repo and use it in your own Superset instance, and add it to the [Third Party Plugins Directory](https://github.com/apache/superset/wiki/Superset-Third%E2%80%90Party-Plugins-Directory). With sufficient support, I'm happy to put this up for a VOTE.
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Re: [I] [SIP-167] Timeline Chart Visualization [superset]
Posted by "rusackas (via GitHub)" <gi...@apache.org>.
rusackas commented on issue #33349:
URL: https://github.com/apache/superset/issues/33349#issuecomment-2859191255
I don't see a DISCUSS thread on the dev@ mailing list. You'll need to do that, or this may eventually be closed as abandoned.
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Re: [I] [SIP-167] Timeline Chart Visualization [superset]
Posted by "mistercrunch (via GitHub)" <gi...@apache.org>.
mistercrunch closed issue #33349: [SIP-167] Timeline Chart Visualization
URL: https://github.com/apache/superset/issues/33349
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