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GeoJSON.NET

GeoJSON.Net is a .NET library for the RFC 7946 The GeoJSON Format and it uses and provides Newtonsoft Json.NET converters for serialization and deserialization of GeoJSON data.

Installation & Usage

GeoJSON.Net NuGet package: Install-Package GeoJSON.Net

Serialization

Position position = new Position(51.899523, -2.124156);
Point point = new Point(position);

string json = JsonConvert.SerializeObject(point);

Deserialization

string json = "{\"coordinates\":[-2.124156,51.899523],\"type\":\"Point\"}";

Point point = JsonConvert.DeserializeObject<Point>(json);

See the Tests for more examples.

Special considerations for ASP.Net Core 3+

System.Text.Json is the default (recommended) serializer. GeoJSON.Net does not play well with System.Text.Json. Here are the recommended steps as a workaround:

  • add the "Microsoft.AspNetCore.Mvc.NewtonsoftJson" NuGet Package
  • add "services.AddControllers().AddNewtonsoftJson();" to your service configuration.

(Thanks for @jrowe88 for pointing this out)

Contributing

Highly welcome! Just fork away and send a pull request. We try and review most pull requests within a couple of days. There is now a version 2.0.0 branch. I've created this ready for any breaking changes and any extra features and would encourage anything that isn't a bug fix to go in there.

Thanks

This library would be NOTHING without its contributors - thanks so much!!

Sponsors

We have the awesome .NET tools from JetBrains.

Resharper

Contributors

This project exists thanks to all the people who contribute.

Backers

Thank you to all our backers! 🙏 [Become a backer]

Sponsors

Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [Become a sponsor]