System.Spatial.Projections - sindizzy/DSW GitHub Wiki
DotSpatial.Projections
The DotSpatial.Projections library is a port of the popular proj4 c++ library to C# .Net. Since most of the code was mathematical transforms, this was fairly straight forward, so hopefully most of the code works as expected.
Projection Unit Test Results ProjectionInfo Object Models
Sample Code Reading ESRI .prj files Reading Proj4 strings Reproject a point using a Known Coordinate Systems Adding a Geographic Coordinate System to a Feature Set