.NET Standard 2.0 library for decoding a Mapbox vector tile.
- protobuf-net https://github.com/protobuf-net/protobuf-net
$ Install-Package mapbox-vector-tile
const string vtfile = "vectortile.pbf";
var stream = File.OpenRead(vtfile);
var layerInfos = VectorTileParser.Parse(stream);Tip: If you use this library with vector tiles loading from a webserver, you could run into the following exception: 'ProtoBuf.ProtoException: Invalid wire-type; this usually means you have over-written a file without truncating or setting the length' Probably you need to check the GZip compression, see also TileParserTests.cs for an example.
$ git clone https://github.com/bertt/mapbox-vector-tile-cs.git
$ cd mapbox-vector-tile-cs
$ dotnet build
$ git clone https://github.com/bertt/mapbox-vector-tile-cs.git
$ cd mapbox-vector-tile-cs/tests/mapbox.vector.tile.tests
$ dotnet test
Passed!
Failed: 0, Passed: 38, Skipped: 0, Total: 38, Duration: 937 ms
1] GeoJSON
The samples folder contains a simple console application that reads a vector tile from a file and converts to GeoJSON file.
2] SkiaSharp Forms Sample
SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. The samples folder contains a simple GUI application that reads a vector tile from a file and draws the geometries using SkiaSharp.
Test performed with Mapbox vector tile '14-8801-5371.vector.pbf'
Layers used:
Point layer: parks (id=17) - 558 features
Line layer: roads (id=8) - 686 features
Polygon layer: building (id=5) - 975 features
| Method | Mean | Error | StdDev |
|-------------------------- |---------:|----------:|----------:|
| ParseVectorTileFromStream | 1.401 us | 0.0133 us | 0.0125 us |
2025-02-25: Release 5.2.2, nullable enabled
2025-02-24: Release 5.2.1, improved memory handling
2025-02-24: Release 5.2, library is now .NET Standard 2.0
2025-01-29: Release 5.1, upgrading dependencies + remove GeoJSON.NET dependency + adding samples (SkiaSharp, GeoJSON)
2023-11-26: Release 5.0.2, containing .NET 8
2022-10-29: Release 5.0.1, upgrading dependencies
2022-10-29: Release 5.0 containing .NET 6
2018-08-28: Release 4.2 containing .NET Standard 2.0
2018-03-08: Release 4.1 with fix for issue 16 (#16 - about serializing attributes)
2017-10-19: Release 4.0 for .NET Standard 1.3
2016-11-03: Release 3.1
Changes: Add support for polygon inner- and outerrings
2016-10-31: Release 3.0
Changes: Add support for multi-geometries
2015-07-08: Release 2.0
2015-07-07: Release 1.0