world-file

generate a world file for data if you give it the dimensions and the corner points. Based off code by Peter Girard translated from C#.

API

worldfile(width, height, corners);

where corners is an object with cooridnates for the corners of the image, in the form

{
  tr: [1, 1],
  tl: [0, 1],
  br: [1, 0]
}

coordinates are geojson style so x,y lon,lat, tr is top right, tl is top left, br is bottom right, input is in lat lon wgs84, output is in web mercator.