Guidance notes

Guidance notes

EPSG Dataset supporting documentation

Using the EPSG geodetic parameter dataset

Guidance Note 7-1 (version 8, August 2012) This document gives detailed information about the Dataset contents  and its maintenance. It includes annexes covering Data Naming Conventions and Rules for Deprecation.

Coordinate Conversions and Transformations including Formulas

Guidance Note 7-2 (version 51, September 2016) This document provides the formulas for executing coordinate conversions and coordinate transformations using the coordinate operation methods supported in the EPSG dataset. Geodetic parameters in the Dataset are consistent with these formulas.

EPSG Geodetic Parameter Registry – Developer Guide

Guidance Note 7-3 (version 3.2, September 2016) This document is primarily intended to assist computer application developers in using the EPSG geodetic parameter registry service interface to extract data from the registry. The Registry GML schema files are available here.

EPSG Geodetic Parameter Relational Database – Developers Guide

Guidance Note 7-4 (version 4, April 2009) This document is intended to assist computer application developers in using the EPSG geodetic parameter relational database and SQL scripts. It may also be useful to other users of the data. Readers are recommended to have read Part 1 of the guidance note before this part.

For all Geomatics Committee reports, please go to IOGP Publications.