mapbox / mapbox/mapbox-maps-ios

RasterParticleLayer blurry at moderate zoom levels

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auto-triaged bug :beetle:
Dominant language
Swift
Stars
601
Forks
196
PR merge metrics
No merged PRs in 30d

Description

## Environment

- Xcode version: 26.3
- iOS version: 26.3
- Devices affected: All
- Maps SDK Version: 11.21.0

## Observed behaviour and steps to reproduce

Compile the RasterParticleExample. Zoom in.

Particles are blocky. Expect particles to remain looking like particles

Image

## Expected behaviour

Remain looking like particles and not something that looks like 'Snake' from the 1990s.

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 compiling and running the RasterParticleExample, then reproduce the blocky particles while zooming in at moderate levels. Trace the RasterParticleLayer rendering path used by that example and compare the result with the attached image. Done means particles remain visually smooth rather than becoming blocky when zoomed.

Written by the indexing model from the issue text.

Assessment

Tech stack
ios, swift
Domain
computer-graphics, mobile
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
48/100

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