observablehq / observablehq/plot

Trails

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enhancement
Dominant language
HTML
Stars
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Forks
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PR merge metrics
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Description

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

Review the linked Observable trail-marks and comet-chart examples alongside Vega's trail mark documentation. Determine the intended trail behavior and API shape before locating the relevant Plot mark entry point. Done means a defined trail mark is implemented and its behavior matches the referenced examples.

Written by the indexing model from the issue text.

Assessment

Tech stack
d3
Domain
data-visualization
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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