These PDF documents contain tables of well-known IDs (WKIDs) and other details about coordinate systems, datum transformations, and units. For details on how to use this information with ArcGIS Runtime, see Spatial references.
- Geographic coordinate systems (PDF format)
- Projected coordinate systems (PDF format)
- Geographic transformations (PDF format)
Well-known text (WKT) for coordinate systems and datum transformations are also available:
- Geographic coordinate systems
- Projected coordinate systems
- Datum transformations (including geographic transformations)