[OSM-talk] Map data - WGS84 to OSGB36 transformation

[Nick Burch]

On Tue, 18 Jul 2006, Andy Robinson wrote:
> Has anyone done anything with transforming the map data xml (as obtained 
> from the API or through JOSM) from WGS84 lat and lon to OSGB36 (OS GB 
> National Grid) using Helmert?

I have code in Python to do the conversion. MySociety produce a perl 
module to do it.

I've also heard good things about jcoord/jscoord/phpcoord 
(http://www.jstott.me.uk/jscoord/), but never really used it in anger

Nick