Welcome to the Harris Geospatial product documentation center. Here you will find reference guides, help documents, and product libraries.


  >  Docs Center  >  Libraries  >  ASTROLIB  >  FXBISOPEN

FXBISOPEN

FXBISOPEN

Name


      FXBISOPEN()

Purpose


      Returns true if UNIT points to an open FITS binary table.
  Explanation : This procedure checks to see if the logical unit number given
              by the variable UNIT corresponds to a FITS binary table opened
              for read with the command FXBOPEN, and which has not yet been
              closed with FXBCLOSE.
  Use : Result = FXBISOPEN(UNIT)
              If FXBISOPEN(UNIT) THEN ...
  Inputs : UNIT = Logical unit number returned by FXBOPEN routine.
                        Must be a scalar integer.
  Opt. Inputs : None.
  Outputs : The result of the function is either True (1) or False (0),
              depending on whether UNIT points to an open binary table or
              not.
  Opt. Outputs: None.
  Keywords : None.
  Calls : FXBFINDLUN
  Common : Uses common block FXBINTABLE--see "fxbintable.pro" for more
              information.
  Restrictions: None.
  Side effects: If UNIT is an undefined variable, then False (0) is returned.
              If UNIT points to a FITS binary table file that is opened for
              write, then False (0) is returned.
  Category : Data Handling, I/O, FITS, Generic.
  Prev. Hist. : None.
  Written : William Thompson, GSFC, 1 July 1993.
  Modified : Version 1, William Thompson, GSFC, 1 July 1993.
  Version : Version 1, 1 July 1993.
      Converted to IDL V5.0 W. Landsman September 1997



© 2018 Harris Geospatial Solutions, Inc. |  Legal
My Account    |    Store    |    Contact Us