A Descritpion of the HSTIO Interface to the STIS and NICMOS Pipelines

Allen Farris
Space Telescope Science Institute
E-mail: farris@stsci.edu

• The HSTIO Header File
• Manipulating FITS Header Keywords
  • Making a FITS Header
  • Finding keywords in a FITS keyword list.
  • Accessing and changing name, value, or comment in a FITS keyword.
  • Adding keywords to a FITS Header.
  • Inserting keywords in a FITS Header.
  • Adding/Inserting already formatted keywords
  • Deleting keywords in a FITS Header.
• Error handling in hstio.c
• IRAF initialization
• OpenOutputImage
• OpenUpdateImage
• Append versus Overwrite in high-level functions
• SingleGroup and MultiGroup Structures
• Example Programs
  • Reading an Image or Image groups
  • Illustration of Low-Level I/O Routines
• About this document ...