Getting Data into KAPPA

KAPPA utilises general data structures within an HDS  container file, with file extension .sdf. Most of the examples in this documentation processing is performed on data in this NDF  format generated from within KAPPA. Generally, you will already have data in `foreign' formats, that is formats other than the Starlink standard, particularly in the FITS (Flexible Image Transport System), IRAF, and FIGARO DST formats.