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FTINFO

FTINFO

Name


      FTINFO

Purpose


      Return an informational structure from a FITS ASCII table header.

Calling Sequence


      ftinfo,h,ft_str, [Count = ]

Inputs


      h - FITS ASCII table header, string array

Outputs


      ft_str - IDL structure with extracted info from the FITS ASCII table
                header. Tags include
        .tbcol - starting column position in bytes
        .width - width of the field in bytes
        .idltype - idltype of field.
                      7 - string, 4- real*4, 3-integer, 5-real*8
        .tunit - string unit numbers
        .tscal - scale factor
        .tzero - zero point for field
        .tnull - null value for the field
        .tform - format for the field
        .ttype - field name

Optional Output Keyword


      Count - Integer scalar giving number of fields in the table

Procedures Used


      GETTOK(), SXPAR()

Notes


      This procedure underwent a major revision in May 2000, and **THE
      NEW CALLING SEQUENCE IS INCOMPATIBLE WITH THE OLD ONE **

History


      D. Lindler July, 1987
      Converted to IDL V5.0 W. Landsman September 1997
      Major rewrite, return structure W. Landsman April 2000



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