matthewjwhittle / osgridref

Convert from OSGB Grid References to Eastings and Northings

osgridref

Overview

Spatial data is often store as Ordinance Survey National Grid references. This is an easy way to recorded spatial data in the field but isn’t straight forward to convert to coordinates. The goalof the osgridref package is to provide a functions to easily convert grid references to eastings and northings (EPSG:27700) and back again.

Installation

The package can currently be installed from github:

# Install the development version from GitHub:
# install.packages("devtools")
devtools::install_github("matthewjwhittle/osgridref")

Examples

library(osgridref)

grid_refs <- c("TA 304 403", "SE 2344 0533", "SE13", "SE 23444 05334")
# Returns a tibble of X and Y coords and their resolution
xy_table <- gridref_to_xy(grid_refs)

Convert coordinates back to grid references

xy_to_gridref(x = xy_table$x, y = xy_table$y, digits = 8)

## [1] "TA 3040 4030" "SE 2344 0533" "SE 1000 3000" "SE 2344 0533"