Vertical range annotations not showing in bar chart
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- Dominant language
- Dart
- Stars
- 7.6k
- Forks
- 2k
- Avg merge
- 9d 1h
- Merged PRs (30d)
- 2
Description
**Describe the bug**
Unlike line charts, bar charts currently do not show VerticalRangeAnnotation.
**Screenshots**
The two charts below use the exact same annotations, but only the line chart shows the vertical ones...:

**Versions**
- which version of the Flutter are you using: 2.2.2
- which version of the FlChart are you using: 0.36.2
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the reported difference between line charts and bar charts using the same VerticalRangeAnnotation configuration. Compare how each chart renders the annotation; the work is done when vertical range annotations are visible on bar charts as they are on line charts.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- dart, flutter
- Domain
- data-visualization
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100