imaNNeo / imaNNeo/fl_chart

Vertical range annotations not showing in bar chart

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#709 3 comments 0 reactions 0 assignees View on GitHub

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Bar Chart enhancement
Dominant language
Dart
Stars
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Forks
2k
Avg merge
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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...:

![IMG_4B8784201684-1](https://user-images.githubusercontent.com/9332909/124276874-a9534d80-db44-11eb-847a-a42be05f8d39.jpeg)

**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

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. 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

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