2gis / 2gis/mapsapi

Slow zooming on iPad's

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Dominant language
JavaScript
Stars
212
Forks
36
PR merge metrics
No merged PRs in 30d

Description

When I pinch map on the iPad 4 there are yanks with jumps. It looks not pleasurable. It seems that there are some heavy calculations during zooming.

Contributor guide

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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

No files, tests, or entry points are named. Start by reproducing pinch-to-zoom on an iPad 4 and profiling the map during zooming to identify the heavy calculations; done means eliminating the visible jumps and yanks during zoom.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
frontend, performance
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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