The user may define subclasses of this class.
The agency responsible for collection of the imagery may be stated, as well as the name of a specific photo collection project, if applicable. The imaging system and identification may be provided. If any correction has been applied to the image, it may be given. The elevation of the platform in kilometres may be stated. (Note that for airborne systems, height is still given in kilometres.) The band characteristics may be given next. A list of images may be provided. A beginning date (or date and time) of the acquisition of the images may be stated. If endDate (or end date and time) is unspecified, beginningDate is interpreted simply as a single date (and time) of acquisition.