ee.data.getMapId

  • ee.data.getMapId is used to obtain a Map ID for a given asset.

  • The function returns the mapId call results, which can be used with other functions like ee.data.getTileUrl or ui.Map.addLayer.

  • Optional parameters for visualization can be provided as a JavaScript object, including options for bands, min/max values, gain, bias, gamma, palette, opacity, and format.

  • An optional callback function can be provided for asynchronous calls.

Get a Map ID for a given asset

Returns the mapId call results, which may be passed to ee.data.getTileUrl or ui.Map.addLayer. Null if a callback is specified.

UsageReturns
ee.data.getMapId(params, callback)RawMapId
ArgumentTypeDetails
paramsImageVisualizationParametersThe visualization parameters as a (client-side) JavaScript object. For Images and ImageCollections:
image (JSON string) The image to render.
version (number) Version number of image (or latest).
bands (comma-separated strings) Comma-delimited list of band names to be mapped to RGB.
min (comma-separated numbers) Value (or one per band) to map onto 00.
max (comma-separated numbers) Value (or one per band) to map onto FF.
gain (comma-separated numbers) Gain (or one per band) to map onto 00-FF.
bias (comma-separated numbers) Offset (or one per band) to map onto 00-FF.
gamma (comma-separated numbers) Gamma correction factor (or one per band).
palette (comma-separated strings) List of CSS-style color strings (single-band previews only).
opacity (number) a number between 0 and 1 for opacity.
format (string) Either "jpg" or "png".
callbackFunction, optionalAn optional callback. If not supplied, the call is made synchronously.