Function:     GETROT

Purpose:      Returns the rotation angle of a subset.

Category:     PHYSICAL COORDINATES

File:         cotrans.c

Author:       K.G. Begeman

Use:          INTEGER GETROT ( SET    ,      Input   character
                               SUBSET ,      Input   integer
                               CROTA  )      Output  double precision

              GETROT     Returns:
                         -4 Internal error
                         -3 No sky coordinates found in set.
                         -2 Error in subset dimensions.
                         -1 Set does not exist. 
                          0 No error
              SET        Name of data set.
              SUBSET     Subset coordinate word.
              CROTA      The rotation angle of the subset.

Related Docs: cotrans.dc2

Updates:      May 21, 1996: KGB, Document created.