To export ordered image collections as video, where frames are defined by images
in the collection, use Export.video()
. You can configure the way the
ImageCollection
is turned into video by setting frame rate, scale and
dimensions. The video will be encoded as an MP4.
to Drive
Export video to your Drive account with Export.video.toDrive()
. For example,
the following export makes a video from 20 years of Landsat imagery:
Code Editor (JavaScript)
// Load a Landsat 5 image collection. var collection = ee.ImageCollection('LANDSAT/LT05/C02/T1_TOA') // San Francisco Bay. .filter(ee.Filter.eq('WRS_PATH', 44)) .filter(ee.Filter.eq('WRS_ROW', 34)) // Filter cloudy scenes. .filter(ee.Filter.lt('CLOUD_COVER', 30)) // Get 20 years of imagery. .filterDate('1991-01-01','2011-12-30') // Make each image an 8-bit RGB image. .map(function(image) { return image.visualize({bands: ['B4', 'B3', 'B2'], min: 0.02, max: 0.35}); }); // Define an area to export. var polygon = ee.Geometry.Rectangle([-122.7286, 37.6325, -122.0241, 37.9592]); // Export (change dimensions or scale for higher quality). Export.video.toDrive({ collection: collection, description: 'sfVideoExample', dimensions: 720, framesPerSecond: 12, region: polygon });
Note that the frame rate and dimensions can be set from a dictionary of
parameters passed to the export. Adjust these parameters to customize the video.
Also note that the input ImageCollection is required to have 3-band (RGB), 8-bit
images. In this example, the 8-bit, 3-band format is explicitly set.
Alternatively, map a function which calls image.visualize()
over the
collection. See the section on Visualization
images for details. Video exports can
take a significant amount of time to complete, so it's not unusual to see the
export task running for an extended period.
to Cloud Storage
To export a video to Cloud Storage, use Export.video.toCloudStorage()
. For
example, using the ImageCollection
from the previous example:
Code Editor (JavaScript)
// Export video to cloud storage. Export.video.toCloudStorage({ collection: collection, description: 'sfVideoExampleToCloud', bucket: 'your-bucket-name', dimensions: 720, framesPerSecond: 12, region: polygon });