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FITSIO

A Subroutine Interface to FITS Format Files

Version 3.409

William D. Pence
HEASARC
Office for Guest Investigator Programs
Code 668
Goddard Space Flight Center
Greenbelt, MD 20771
USA

December 21, 1993

• Contents
• Introduction
• Making the FITSIO Library
  • Machine Specific Versions
  • The IRAF SPP Compatible Version of FITSIO
• Basic FITSIO Conventions
  • Current Header Data Unit (CHDU)
  • Subroutine Names
  • Subroutine Families
  • Implicit Data Type Conversion
  • Binary Table Bit Format Columns
  • Data Scaling
  • Error Status Values
  • Variable-Length Array Facility in Binary Tables
• Usage Guidelines and Suggestions
  • Reading an existing FITS file
  • Creating a new FITS file
  • Advanced Usage
  • Optimizing Code for Maximum I/O Processing Speed
  • Local FITS Conventions supported by FITSIO
    • Support for Long String Keyword Values.
    • Arrays of Strings in Binary Table Extensions
  • Limitations and Restrictions
• Acknowledgements
• Subroutine Calling Sequence Definitions
  • FITS File Open and Close Subroutines:
  • Subroutines to Select or Copy the Current Header Data Unit (CHDU)
  • Subroutines to specify the structure of a new HDU
  • Low-Level FITS Header I/O Subroutines
  • High-Level FITS Header I/O Subroutines
  • Define Data Scaling Parameters and Undefined Pixel Flags
  • FITS Primary Array or IMAGE Extension I/O Subroutines
  • FITS ASCII and Binary Table Data I/O Subroutines
    • Column Information Subroutines
    • Low-Level Table Access Subroutines
    • High-Level Table Access Subroutines
  • General Utility Subroutines
• Summary of all FITSIO User-Interface Subroutines
• Parameter Definitions
• FITSIO Error Status Codes
• About this document ...