README.md

To install:

1. Clone this gist as a git repo
2. npm install in it
3. node index.js

index.js

var querystring = require('querystring');
var merc = new (require('sphericalmercator'))();

// customize this point - these are longitude, latitude coordinates
var projected = merc.forward([
  -106.48223736908858,
  35.02338757234806]);

var point = {
  x: projected[0],
  y: projected[1],
  spatialReference: {
    wkid:102100
  }
};

var q = {
  f: 'json',
  geometry: JSON.stringify(point),
  tolerance: '3',
  returnGeometry: 'true',
  mapExtent: '{"xmin":-11869218.033253865,"ymin":4141606.3456870574,"xmax":-11798437.345061889,"ymax":4187927.1848278116,"spatialReference":{"wkid":102100}}',
  imageDisplay: '400,400,96',
  geometryType: 'esriGeometryPoint',
  sr: '102100',
  layers: 'all:0'
};

var url = 'http://planthardiness.ars.usda.gov/ArcGIS/rest/services/uspz/MapServer/identify?' + querystring.stringify(q);
console.error(url);

var http = require('http');
http.get(url, function(res) {
  res.pipe(process.stdout);
});

package.json

{
  "name": "esri-query",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "proj4": "^2.3.12",
    "sphericalmercator": "^1.0.4"
  }
}