* [Introduction to Coordinate Systems](http://www.sharpgis.net/post/2007/05/05/Spatial-references2c-coordinate-systems2c-projections2c-datums2c-ellipsoids-e28093-confusing)
* [[Supported projections]]
* [[Create CoordinateSystem by Well-known Text]] (WKT)
* [[Loading a projection by Spatial Reference ID]] (SRID)
* [[Constructing a Coordinate System by code]]
* [[Projecting points from one Coordinate System to another]]
* Some [[Well Known Text]] fundamentals
* [[Popular Well-Known Text representations of Spatial Reference Systems]]