MAP_COMPRESS

        [CLEAN\]MAP_COMPRESS WhichOne Nc [First TYPE] [Output]

    Resample (in frequency/velocity) a data cuvbe by averaging NC adjacent chan-
    nels.

    WhichOne indicates which data cube must be compressed. Allowed values are
        - DIRTY, CLEAN or SKY
        - *, which means all of the previous existing ones
        - Any SIC Image Variable that is not a built-in buffer in IMAGER
        - An existing GILDAS data file
    MAP_INTEGRATE only works on 3-D data cubes, replacing them by 2-D images.

    Output is a string indicating where the results will be placed.