Contents

• Introduction
• Design of the GILDAS Data Format
• GDF Images
  • Type description
  • Improvements between GDFV1 and GDFV2
  • Backward compatibility
  
  
• GDF UV Tables
  • Why a new implementation of the UV Tables in GILDAS ?
  • The new layout
  
  
• Changes for end-users
  • Behaviour
  • SIC variables
  • New facilities
  
  
• Changes for programmers
  • Dealing with GDF files (any kind)
  • UV data format usage restrictions
  • GDF API
  • Obsolete routines
  
  
• Miscellaneous and pending items
  • Compatibility
  • Pending issues
  
  
• GILDAS Fortran derived type
• GDFV2 header
• UV tables column codes
• GDF API and programming tools
  • GILDAS_NULL
  • GDF_READ_HEADER
  • GDF_TRIM_HEADER
  • GDF_ALLOCATE
  • GDF_COPY_HEADER
  • GDF_RANGE
  • GDF_READ_GILDAS
  • GDF_READ_UVDATASET
  • GDF_READ_UVONLY_CODES
  • GDF_SETUV
  • Other less used or too specific or hidden routines... To be debated