mapbox / mapbox/geojson-vt

Filter out points on lower zoom tiles

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#8 5 comments 1 reaction 0 assignees View on GitHub

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enhancement performance
Dominant language
JavaScript
Stars
2.1k
Forks
279
PR merge metrics
No merged PRs in 30d

Description

We could just filter out same-coord points, but that's probably not enough. We can apply more sophisticated filtering algorithms, but it's tough to make a generic point filtering algorithm that suites any kind of data.

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

The issue does not name files, tests, or an entry point. Start by locating the tile-generation and point-filtering logic in the repository, then review existing tests for lower-zoom behavior. Before implementation, define the filtering criteria and how correctness should be verified for different kinds of GeoJSON data.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
data
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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