Not to be confused with HDFS, the file system used in Apache Hadoop.
Hierarchical Data Format
Filename extension
.hdf, .h4, .hdf4, .he2, .h5, .hdf5, .he5
Internet media type
application/x-hdf, application/x-hdf5
Magic number
\211HDF\r\n\032\n
Developed by
The HDF Group
Type of format
Scientific data format
Open format?
Yes
Website
www.hdfgroup.org/solutions/hdf5
Hierarchical Data Format (HDF) is a set of file formats (HDF4, HDF5) designed to store and organize large amounts of data. Originally developed at the U.S. National Center for Supercomputing Applications, it is supported by The HDF Group, a non-profit corporation whose mission is to ensure continued development of HDF5 technologies and the continued accessibility of data stored in HDF.
In keeping with this goal, the HDF libraries and associated tools are available under a liberal, BSD-like license for general use. HDF is supported by many commercial and non-commercial software platforms and programming languages. The freely available HDF distribution consists of the library, command-line utilities, test suite source, Java interface, and the Java-based HDF Viewer (HDFView).[1]
The current version, HDF5, differs significantly in design and API from the major legacy version HDF4.
^Java-based HDF Viewer (HDFView)
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