[OSGeo-Discuss] how to set up a beijing54 region in grass?

[Markus Neteler]

On Wed, Dec 3, 2008 at 11:25 AM, xjzheng <xjzheng at sina.com> wrote:
> i  selected the transmoctor projection ,but no correct datum for
> beijing54,thank u

You can find them here:
http://www.epsg-registry.org/
-> Name: beijing
  -> projection parameters

There is a note "Replaced by Xian 1980", though.

Markus