Datums are slightly different.
James Stott wrote:
..
The definition of a layer in QGIS using OSGB 1936 / British National
Grid (27700) is:
.. +towgs84=446.448,-125.157,542.06,0.15,0.247,0.842,-20.489 ..
..
below which seems to match the EPSG 27700 definition but does not get
recognised as 27700:
..
.. +towgs84=446.448,-125.157,542.06,0.1502,0.247,0.8421,-20.4894 ..
..
_______________________________________________
Qgis-user mailing list
Qgis-user@lists.osgeo.org
http://lists.osgeo.org/mailman/listinfo/qgis-user
