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READ /TRC

    Define the top right corner of the input FITS file to be considered.  Tx
    Ty  Tz  Tt  indicates  the  pixel  coordinates of this top right corner.
    Trailing arguments (if the image has less  than  4  dimensions)  can  be
    omitted, and 0 means the actual dimension.


Gildas manager
1999-03-15