tzf's preprocessed timezone data

Update Data Steps

1. Download latest timezones-with-oceans.geojson.zip from https://github.com/evansiroky/timezone-boundary-builder/releases

2. Run:

   # Install cli tools
   make install
   # Produce new data
   make gen
   # stage
   git add combined-with-oceans.pb
   git add combined-with-oceans.reduce.pb
   git add combined-with-oceans.reduce.compress.pb
   # commit
   git commit -m "bump to xxx"
   git push
   

Refer

• Protocol Buffers define: https://github.com/ringsaturn/tzf/blob/main/pb/tzinfo.proto
• Maintain tools
  • geojson2tzpb
  • reducetzpb
  • compresstzpb
  • preindextzpb
• To view data in GeoJSON format(which is more convenient to show on map), see https://github.com/ringsaturn/tzf-server

Usage:

• Go: https://github.com/ringsaturn/tzf
• Rust: https://github.com/ringsaturn/tzf-rs