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Python and JavaScript bindings for calling the Earth Engine API.

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Google Earth Engine API

Python and JavaScript client libraries for calling the Earth Engine API.

Important Note: Access to Google Earth Engine is currently only available to trusted testers. The API is in active development, and users should expect the API to change. When (not if) API changes occur, applications that use the API will likely need to be updated.

Here's an example screenshot and the corresponding Code Editor JavaScript code:

Trendy Lights Image

// Compute the trend of night-time lights.

// Adds a band containing image date as years since 1991.
function createTimeBand(img) {
  var year = ee.Date(img.get('system:time_start')).get('year').subtract(1991);
  return ee.Image(year).byte().addBands(img);
}

// Map the time band creation helper over the night-time lights collection.
// https://earthengine.google.org/#detail/NOAA%2FDMSP-OLS%2FNIGHTTIME_LIGHTS
var collection = ee.ImageCollection('NOAA/DMSP-OLS/NIGHTTIME_LIGHTS')
    .select('stable_lights')
    .map(createTimeBand);

// Visualize brightness in green and a linear fit trend line in red/blue.
Map.addLayer(
    collection.reduce(ee.Reducer.linearFit()),
    {min: 0, max: [0.18, 20, -0.18], bands: ['scale', 'offset', 'scale']},
    'stable lights trend');

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