IMAGE_CONSTRUCTION

    BLANKING       Change the blanking value
    CLEAN          Cleaning (of data cubes).
    UV_DFT         Slow Fourier Transform from UV to map (cubes)
    EXTRACT        Extract a subset of an image to fill a subset of an image
    FILL_CUBE      Resample a cube by Random or Regular interpolation
    FITS_GILDAS    Single image disk-FITS to GILDAS translator
    * GFITS *      FITS (disk or tape) to|from GILDAS format translator
    GILDAS_FITS    Single image GILDAS to disk-FITS translator
    GRID_CUBE      A gridding task to make an image from a table.
    GRID_EXTEND    A gridding task to make an image from a table.
    HEADER         List and modify an image header
    MAKE_CUBE      Image reconstruction for incomplete, noisy data.
    MAP_AVER       Average plans of a 3-D data cube.
    MAP_COMPRESS   Compress images (by Fourier truncation)
    MAP_EXPAND     Expand images (by Fourier expansion)
    MAP_INTER      Resample data cubes along 3rd axis.
    MASK           Mask part of an image.
    SUM            Add a large number of images
    SWAP           Rotate or make a mirrored image of an input image
    UV_MAP         Make maps (cubes) from UV data using gridding + FFT
    TRANSPOSE      Transpose images