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Common Data Format (CDF) is a conceptual data abstraction for storing, manipulating, and accessing multidimensional datasets. CDF is referred to as a data abstraction because the actual physical format in which datasets are stored is not discussed. Instead, the form of the datasets and the means (interface) by which they may be manipulated are described. CDF is supported by commercial and open source data analysis/visualization software such as Interactive Data Language (IDL®).
The CDF home page contains examples, documentation, FAQs, and tools - https://cdf.gsfc.nasa.gov/.
The CDF User Guide is available at: https://cdf.gsfc.nasa.gov/html/cdf_docs.html.
There are three primary mechanisms for working with CDF files in IDL®: IDL® built-in CDF routines and the CDAWlib Package provide access to locally stored CDF files, while the Coordinated Data Analysis System (CDAS) Web Service Library is used for remotely accessing CDAWeb data.
