•         advanced

• The zlib library may be used to deflate chunked variables.

  /* Set compression settings for a variable. Lower is faster, higher is
   * better. Must be called after nc_def_var and before nc_enddef. */
  EXTERNL int
  nc_def_var_deflate(int ncid, int varid, int shuffle, int deflate, 
     int deflate_level);
  
  /* Find out compression settings of a var. */
  EXTERNL int
  nc_inq_var_deflate(int ncid, int varid, int *shufflep, 
     int *deflatep, int *deflate_levelp);
  
  

2008 Unidata NetCDF Workshop for Developers and Data Providers > Chunking Data with NetCDF-4

Contact Us   •   Site Map   •   Search   •   Terms and Conditions   •   Privacy Policy   •   Participation Policy

Unidata is a member of the UCAR Community Programs, is managed by the University Corporation for Atmospheric Research, and is sponsored by the National Science Foundation. P.O. Box 3000   •   Boulder, CO 80307-3000 USA   •   Tel: 303-497-8643   •   Fax: 303-497-8690