ee-runner

Command line runner of Google Earth Engine Playground scripts using Node.js.

Install or update globally and use as a script

• npm install -g ee-runner@latest

• Run Code Editor scripts as:

> ee-runner <script-file>

or

> ee <script-file>

Install as a package

• npm install ee-runner

• in your scripts, use:

require("ee-runner")

gee.initialize(function() {
  // ... your Google Earth Engine code comes here ...
})

Install as a command-line tool from GitHub

• Clone this repository.
• Inside Repository
  • Run: npm run init

You may have to remove any previous and no longer valid tokens, for example having played with ee-python. rm ~/.config/earthengine/credentials.

Usage

• node ee-runner.js \<playground script file\>

Example

• node ee-runner.js examples/hello.js

First image in LANDSAT 8 TOA collection was aquired on 2013-09-26
Downloading thumbnail ...

• cat examples/hello.js

var image = new ee.Image(new ee.ImageCollection('LANDSAT/LC8_L1T_TOA').first());
var info = image.getInfo();

var date = info.properties['DATE_ACQUIRED'];
print('First image in LANDSAT 8 TOA collection was aquired on ' + date);

print('Downloading thumbnail ...');

var url = image
  .visualize({bands:['B6','B5','B3'], gamma: 1.5})
  .getThumbURL({dimensions:'1024x1024', format: 'jpg'});

download(url, 'hello.jpg');

• hello.jpg

Roadmap

• [ ] Fetch user scripts from https://earthengine.googlesource.com/
• [ ] Implement ui.Chart printing to PNG / SVG