observablehq / observablehq/plot

Plot.sphere errors if not associated with a projection

Open
#1,123 4 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

documentation geo
Dominant language
HTML
Stars
5.4k
Forks
244
PR merge metrics
No merged PRs in 30d

Description

Plot.sphere().plot()
> TypeError: n.sphere is not a function

it's all right, but we might want a better error message

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 Plot.sphere().plot() without an associated projection and trace where the TypeError is produced. Done means the same misuse reports a clearer, user-facing error while preserving the existing behavior for correctly projected plots.

Written by the indexing model from the issue text.

Assessment

Tech stack
d3, javascript
Domain
data-visualization
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Active
Clarity
Mostly clear
Newbie friendliness
52/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.