MVTTools

Vector tiles reader/writer for Swift

Installation with Swift Package Manager

dependencies: [
    .package(url: "https://github.com/Outdooractive/mvt-tools", from: "0.2.2"),
],
targets: [
    .target(name: "MyTarget", dependencies: [
        .product(name: "MVTTools", package: "mvt-tools"),
    ]),
]

Features

TODO

Usage

import MVTTools

Contributing

Please create an issue or open a pull request with a fix

Dependencies (for development)

brew install protobuf swift-protobuf swiftlint

TODOs and future improvements

• Documentation (!)

• Tests

• Decode V1 tiles

• Clipping

• Simplification

• Locking (when updating/deleting features, indexing)

• Query option: within/intersects

• https://github.com/mapbox/vtcomposite

• https://github.com/mapbox/geosimplify-js

• https://github.com/mapbox/vt2geojson (command line tool?)

Links

• Vector tiles

  • https://github.com/mapbox/vector-tile-spec/tree/master/2.1
  • https://github.com/mapbox/vector-tile-spec/blob/master/2.1/vector_tile.proto
  • https://docs.mapbox.com/vector-tiles/specification/#format

• Libraries

  • https://github.com/apple/swift-protobuf
  • https://github.com/Outdooractive/gis-tools

• Sample data for testing:

  • https://github.com/mapbox/mvt-fixtures
  • https://github.com/mapbox/mapnik-vector-tile/tree/master/bench
  • https://github.com/mapbox/mapnik-vector-tile/tree/master/examples
  • https://github.com/mapbox/mapnik-vector-tile/tree/master/test

• Other code for inspiration:

  • https://github.com/mapnik/node-mapnik/blob/master/src/mapnik_vector_tile.cpp

License

MIT

Author

Thomas Rasch, OutdoorActive