mapbox / mapbox/mapbox-maps-ios

Webp Tiles Appear with a black boarder

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#2,100 12 comments 0 reactions 0 assignees View on GitHub

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

Description

Webp tiles with transparent tiles are presented with a black boarder on the iOS app. They look fine in GL JS, but on the iOS SDK they have a large black boarder.

Any solution to this?

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 the issue in the iOS SDK with transparent WebP tiles, then compare the result with GL JS as described in the report. Done means transparent tiles render without the black border on iOS; the issue does not name a file or test to begin with.

Written by the indexing model from the issue text.

Assessment

Tech stack
ios, swift
Domain
computer-graphics, mobile-dev
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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