A version of usngs.js with bug fixes, enhancements, and extensive unit tests.
USNG (U.S. National Grid) MGRS (Military Grid Reference System)
- Convert Lat/Lon bounding box to closest USNG
- Convert Lat/Lon to UTM/UPS
- Convert Lat/Lon point to USNG
- Convert UTM/UPS to Lat/Lon
- Convert USNG to UTM
- Convert USNG to Lat/Lon
- Convert Lat/Lon to MGRS
Example usage of this file with Cesium and OpenLayers can be found within https://github.com/codice/ddf
var usng = require('usng.js');
var converter = new usng.Converter();
var usngCoord = converter.LLBboxtoUSNG(north, south, east, west);
var utmCoord = converter.LLtoUTM(lat, lon, utmcoords, zone);
var utmUpsCoord = converter.LLtoUTMUPS(lat, lon)
var usngCoord = converter.LLtoUSNG(lat, lon, precision);
var llCoord = converter.UTMtoLL(UTMNorthing, UTMEasting, UTMZoneNumber, accuracy);
llCoord = converter.UTMUPStoLL("Z 2222222 2222222")
llCoord = converter.UTMUPStoLL("10 1234567 6543210")
llCoord = converter.UTMUPStoLL({northPole, zoneNumber, easting, northing})
var utmCoord = converter.USNGtoUTM(zone,letter,sq1,sq2,east,north,ret);
var llCoord = converter.USNGtoLL(usngStr_input, getCenter);
var mgrsCoord = converter.LLtoMGRS(lat, lon, precision);Note: This is not for production use
Run with: usng-cli [function] [params]
In development you will need to run npm link first.
Build with: npm run build
Format with: npm run format