QGIS Plugin that takes map coordinates and returns a OSGB Grid Ref e.g. SX 7511 8607
The plugin was inspired by Matt Walker's GridRef web service: https://github.com/walkermatt/gridref-web and makes use of xy_to_osgb.py A library of functions for converting eastings and northings to OS Grid References supplied by Peter Wells of Lutra Consulting
Only works with the EPSG:27700 CRS
TODO
Add easting and northings to output.