protomaps / protomaps/basemaps

Major road minzoom

Open
#221 4 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

enhancement
Dominant language
Java
Stars
740
Forks
104
Avg merge
26m
Merged PRs (30d)
2

Description

In many development countries the fastest roads are of type major_road. However, such roads show only up starting from z6 and more. Motorways would usually be shown at z3 to z6 but if a country has no motorways, the map looks very empty at these zoom levels.

Example: Tanzania at z4.5 looks like this:

Screenshot_20240227-032838

While Switzerland at z4.5 looks like this:
Screenshot_20240227-032821

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

No file, test, or entry point is named. Start by locating the road-class minzoom rules and compare rendered coverage for Tanzania and Switzerland around z4.5; done means major roads appear at appropriate low zooms without overloading other regions.

Written by the indexing model from the issue text.

Assessment

Domain
design
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.