Skip to content
.NET Spatial Reference and Projection Engine
Branch: develop
Clone or download
Latest commit 6a6ee1c Aug 28, 2019
Type Name Latest commit message Commit time
Failed to load latest commit information.
src Fix typo in csproj Aug 28, 2019
test Update to how I've been doing this elsewhere Aug 25, 2019
.editorconfig Add .editorconfig Jul 1, 2019
.travis.yml Re-encrypt API keys. Aug 26, 2019
Directory.Build.props Update to how I've been doing this elsewhere Aug 25, 2019
LICENSE Add to address issue #18 Jan 22, 2018
ProjNet4GeoAPI.sln.DotSettings Update Jul 3, 2019
icon.png Updated way we handle version #. Mar 2, 2018
scskey.snk NTS issue 110: removed silverlight/monodroid/winphone collection and … Mar 5, 2014

ProjNet (for GeoAPI)

This library is an extended port of ProjNet

.NET Spatial Reference and Projection Engine

Proj.NET performs point-to-point coordinate conversions between geodetic coordinate systems for use in fx. Geographic Information Systems (GIS) or GPS applications. The spatial reference model used adheres to the Simple Features specification.

Build status

Branch Status
develop Build Status
master Build Status

Get it from NuGet

  • For version 1.* PM> Install-Package ProjNet4GeoAPI
    • More information on NuGet
  • For version 2.*
    PM> Install-Package ProjNet


Join the Gitter on ProjNet (for GeoAPI).

Projects using ProjNet(4GeoAPI)

(If your project is missing, there is an edit button up-right)


  • Datum transformations
  • Geographic, Geocentric, and Projected coordinate systems
  • Compatible with Microsoft .NetStandard 2.0
  • Converts coordinate systems to/from Well-Known Text (WKT) and to XML

Projection types currently supported:

  • Albers
  • Cassini Soldner
  • Hotine Oblique Mercator
  • Krovak
  • Lambert Azimuthal Equal Area
  • Lambert Conformal
  • Mercator
  • Oblique Stereographic
  • Polyconic
  • Transverse Mercator
You can’t perform that action at this time.