ee.Image.getDownloadURL

Get a Download URL for the image, which always downloads a zipped GeoTIFF. Use getThumbURL for other file formats like PNG, JPG, or raw GeoTIFF.

Returns returns a download URL, or undefined if a callback was specified.

UsageReturns
Image.getDownloadURL(params, callback)Object|String
ArgumentTypeDetails
this: imageImage

The Image instance.

paramsObject

An object containing download options with the following possible values:

  - name: a base name to use when constructing filenames.

  - bands: a description of the bands to download. Must be an array of dictionaries, each with the following keys:

    + id: the name of the band, a string, required.

    + crs: an optional CRS string defining the band projection.

    + crs_transform: an optional array of 6 numbers specifying an affine transform from the specified CRS, in row-major order:

[xScale, xShearing, xTranslation, yShearing, yScale, yTranslation]

    + dimensions: an optional array of two integers defining the width and height to which the band is cropped.

    + scale: an optional number, specifying the scale in meters of the band; ignored if crs and crs_transform is specified.

  - crs: a default CRS string to use for any bands that do not explicitly specify one.

  - crs_transform: a default affine transform to use for any bands that do not specify one, of the same format as the crs_transform of bands.

  - dimensions: default image cropping dimensions to use for any bands that do not specify them.

  - scale: a default scale to use for any bands that do not specify one; ignored if crs and crs_transform is specified.

  - region: a polygon specifying a region to download; ignored if crs and crs_transform is specified.

  - filePerBand: Whether to produce a different GeoTIFF per band (boolean). Defaults to true. If false, a single GeoTIFF is produced and all band-level transformations will be ignored.

callbackFunction, optional

An optional callback. If not supplied, the call is made synchronously.

Examples

JavaScript

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Python

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