Overview of the Common Data Format
The Common Data Format is a file format that facilitates the storage and retrieval of multi-dimensional scientific data. This version of IDL supports version 3.2 of the CDF library. IDL's CDF routines all begin with the prefix "CDF_".
CDF is a product of the National Space Science Data Center (NSSDC). General information about CDF, including the "frequently-asked-questions" (FAQ) list, software, and CDF's IDL library (an alternative interface between CDF and IDL) are available on the World Wide Web at:
CDF documentation, including the CDF User's Guide, is available at:
For assistance via e-mail, send a message to the internet address: