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Create processing task that exports or pre-renders an image.
Return value is null if a callback is specified.
Returns an object with fields:
- taskId: Submitted task ID (without hyphens).
- name: Full operation name in the format projects/X/operations/Y
- started: will be 'OK'
- note: may have value 'ALREADY_EXISTS' if an identical task with the same unsubmitted ID already exists.
Usage
Returns
ee.data.startProcessing(taskId, params, callback)
ProcessingResponse
Argument
Type
Details
taskId
String
Unsubmitted ID for the task (obtained from newTaskId). Used to identify duplicated tasks; may be null. The server will create and return a submitted ID.
params
Object
The object that describes the processing task; only fields that are common for all processing types are documented here. type (string) Either 'EXPORT_IMAGE', 'EXPORT_FEATURES', 'EXPORT_VIDEO' or 'EXPORT_TILES'. json (string) JSON description of the image.
callback
Function, optional
An optional callback. If not supplied, the call is made synchronously.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-10-06 UTC."],[],["The `ee.data.startProcessing` function initiates a processing task to export or pre-render an image. It accepts a `taskId`, `params` object (specifying task type and JSON description), and an optional `callback`. The function returns a `ProcessingResponse` object with the submitted task ID, operation name, and start status, or `null` if a callback is provided. `taskId` is a user-defined ID, while the server generates the submitted ID, and `params` specify the task type. A note of `ALREADY_EXISTS` may be present.\n"]]