gridref-js

Parse Ordnance Survey Great Britain alpha numeric grid references into a bounding box.

Installation

npm i @astuntech/gridref-js

Usage

import{parse,InvalidGridRef}from'./gridref-js';try{varbbox=parse('SU387148');console.log(bbox);}catch(e){if(einstanceofInvalidGridRef){console.error(e.message);}else{throwe;}}

API

parse(gridref) ⇒ Array.<Number>

Converts OSGB grid reference ('SU387148') to bounding box in British National Grid ([438700, 114800, 438800, 114900])

Kind: global function
Returns: Array.<Number> - Bounding box of grid reference in metres

Param	Type	Description
gridref	String	Standard format OSGB grid reference (e.g. SU387148)

Credit

Derived from https://github.com/peterhaldbaek/mt-osgridref

License

MIT