proj4/lib/defs.js

Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.

var globals = require('./global');
var parseProj = require('./projString');
var wkt = require('./wkt');

function defs(name) {
  /*global console*/
  var that = this;
  if (arguments.length === 2) {
    if (arguments[1][0] === '+') {
      defs[name] = parseProj(arguments[1]);
    }
    else {
      defs[name] = wkt(arguments[1]);
    }
  }
  else if (arguments.length === 1) {
    if (Array.isArray(name)) {
      return name.map(function(v) {
        if (Array.isArray(v)) {
          defs.apply(that, v);
        }
        else {
          defs(v);
        }
      });
    }
    else if (typeof name === 'string') {

    }
    else if ('EPSG' in name) {
      defs['EPSG:' + name.EPSG] = name;
    }
    else if ('ESRI' in name) {
      defs['ESRI:' + name.ESRI] = name;
    }
    else if ('IAU2000' in name) {
      defs['IAU2000:' + name.IAU2000] = name;
    }
    else {
      console.log(name);
    }
    return;
  }


}
globals(defs);
module.exports = defs;