A fixed-size thumbnail image generated asynchronously from an ee.Image.
ui.Thumbnail(image, params, onClick, style)ui.Thumbnail
imageImage, optionalThe ee.Image from which to generate the thumbnail. Defaults to an empty ee.Image.
paramsObject, optionalFor an explanation of the possible parameters, see ui.Thumbnail.setParams(). Defaults to an empty object.
onClickFunction, optionalA callback fired when the thumbnail is clicked.
styleObject, optionalAn object of allowed CSS styles with their values to be set for this label. Defaults to an empty object.