matplotlib / matplotlib/viscm

Bug in divergent colormap mode?

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bug
Dominant language
Python
Stars
188
Forks
35
PR merge metrics
No merged PRs in 30d

Description

Creating a diverging colormap results in these perceptual and lightness derivatives:

rd_bu_uniform_summary

There seems to be a bug, right? The colormaps should be more uniform in the two branches?

Contributor guide

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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

No file, test, or entry point is named. Reproduce the diverging-colormap case represented by the attached summary and inspect the perceptual and lightness derivatives on both branches. Done means determining whether the non-uniformity is a bug and documenting or correcting the behavior with a reproducible verification.

Written by the indexing model from the issue text.

Assessment

Tech stack
matplotlib, python
Domain
data-visualization
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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