Projects / Common Data Format

Common Data Format

The National Space Science Data Center's (NSSDC) Common Data Format (CDF) is a self-describing data abstraction for the storage and manipulation of multidimensional data in a platform- and discipline-independent fashion. It consists of a scientific data management package (known as the "CDF Library") that allows programmers and application developers to manage and manipulate scalar, vector, and multi-dimensional data arrays.

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Recent releases

  •  13 Nov 2013 20:47

    Release Notes: Support for Visual Basic was added. 64-bit support was added. There were assorted bugfixes and enhancements.

    •  03 Sep 2012 06:12

      Release Notes: This release adds support for leap seconds. There are minor changes in the sktcdf tool program and cdfdump help. There is a fix for cdfmerge while using a text file for input files control. The Java CDF class's open method has been modified to delay collecting variable and attribute data. There are assorted bugfixes.

      •  25 Mar 2012 21:17

        Release Notes: This release adds data types CDF_INT8 and CDF_TIME_TT2000, where the latter is nanoseconds since J2000 with leap seconds included. There are minor enhancements and bugfixes.

        •  19 Oct 2011 22:06

          Release Notes: This release adds two new data types: CDF_INT8 and CDF_TIME_TT2000. It adds a new tool, cdfleapsecondsinfo, for performing calculations on leapseconds. It adds an opion to convert epoch between CDF_EPOCH/EPOCH16 and CDF_TIME_TT2000 in cdfconvert tool. It modifies the code to handle 64-bit Fortran on Solaris/Intel.

          •  30 Aug 2011 20:29

            Release Notes: Minor bugfixes.

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