smo_wgs84_to_bng

https://github.com/Sebasmadridmx/SMO-WGS84-TO-BNG

Developed by Sebastian Madrid Ontiveros with a focus on compatibility with InfoWorks ICM 2027, to streamline automation processes in the UK water industry. A pure Ruby gem for converting coordinates between WGS84 (GPS latitude/longitude) and OSGB36 British National Grid (easting/northing). Uses a 7-parameter Helmert transformation with approximately 3-5 metre accuracy across Great Britain. No external dependencies. If you find this gem useful and would like to support its development, please consider donating at https://buymeacoffee.com/smadrid