Hi,
I've been thinking about these high spatial accuracy data sets and
realized we need a decent PHP implementation of OSTN02 - so I did one.
Also, I finished up my python OSTN02 as well and packaged it as a stand
alone program.
http://wiki.openstreetmap.org/wiki/OSTN02_for_PHP
http://wiki.openstreetmap.org/wiki/OSTN02_for_Python
This was made possible by Toby Thurston kindly allowing me to use this
perl code as a basis with no restrictions. For those keeping score, the
PHP is slightly more accurate. There is something going in grid_to_ll
function that introduces about 1 metre error - this is not a big deal
for OSM purposes.
TimSC
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