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82 lines
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Markdown
82 lines
4.1 KiB
Markdown
# Unidata NetCDF
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[](https://travis-ci.org/Unidata/netcdf-c)
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[](https://scan.coverity.com/projects/157)
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### About
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The Unidata network Common Data Form (**netCDF**) is an interface for
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scientific data access and a freely-distributed software library that
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provides an implementation of the interface. The netCDF library also
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defines a machine-independent format for representing scientific data.
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Together, the interface, library, and format support the creation,
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access, and sharing of scientific data. The current netCDF software
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provides C interfaces for applications and data. Separate software
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distributions available from Unidata provide Java, Fortran, Python,
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and C++ interfaces. They have been tested on various common
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platforms.
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#### Properties
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NetCDF files are self-describing, network-transparent, directly
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accessible, and extendible. `Self-describing` means that a netCDF file
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includes information about the data it contains. `Network-transparent`
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means that a netCDF file is represented in a form that can be accessed
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by computers with different ways of storing integers, characters, and
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floating-point numbers. `Direct-access` means that a small subset of a
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large dataset may be accessed efficiently, without first reading through
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all the preceding data. `Extendible` means that data can be appended to
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a netCDF dataset without copying it or redefining its structure.
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#### Use
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NetCDF is useful for supporting access to diverse kinds of scientific
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data in heterogeneous networking environments and for writing
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application software that does not depend on application-specific
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formats. For information about a variety of analysis and display
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packages that have been developed to analyze and display data in
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netCDF form, see
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* [Software for Manipulating or Displaying NetCDF Data](http://www.unidata.ucar.edu/netcdf/software.html)
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##### More information
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For more information about netCDF, see
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* [Unidata Network Common Data Form (NetCDF)](http://www.unidata.ucar.edu/netcdf/)
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### Latest releases
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You can obtain a copy of the latest released version of netCDF
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software for various languages:
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* [C library and utilities](http://github.com/Unidata/netcdf-c)
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* [Fortran](http://github.com/Unidata/netcdf-fortran)
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* [Java](http://www.unidata.ucar.edu/downloads/netcdf/netcdf-java-4/)
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* [Python](http://github.com/Unidata/netcdf4-python)
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* [C++](http://github.com/Unidata/netcdf-cxx4)
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### Copyright
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Copyright and licensing information can be found [here](http://www.unidata.ucar.edu/software/netcdf/copyright.html), as well as in the COPYRIGHT file accompanying the software
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### Installation
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To install the netCDF-C software, please see the file INSTALL in the
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netCDF-C distribution, or the (usually more up-to-date) document:
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* [Building NetCDF](http://www.unidata.ucar.edu/software/netcdf/docs/getting_and_building_netcdf.html)
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### Documentation
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A language-independent User's Guide for netCDF, and some other
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language-specific user-level documents are available from:
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* [Language-independent User's Guide](http://www.unidata.ucar.edu/software/netcdf/docs/user_guide.html)
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* [NetCDF-C Tutorial](http://www.unidata.ucar.edu/software/netcdf/docs/tutorial_8dox.html)
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* [Fortran-90 User's Guide](http://www.unidata.ucar.edu/software/netcdf/documentation/historic/netcdf-f90/index.html#Top)
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* [Fortran-77 User's Guide](http://www.unidata.ucar.edu/software/netcdf/documentation/historic/netcdf-f77/index.html#Top)
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* [netCDF-Java/Common Data Model library](http://www.unidata.ucar.edu/software/thredds/current/netcdf-java/)
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* [netCDF4-python](http://unidata.github.io/netcdf4-python/)
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A mailing list, netcdfgroup@unidata.ucar.edu, exists for discussion of
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the netCDF interface and announcements about netCDF bugs, fixes, and
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enhancements. For information about how to subscribe, see the URL
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* [Unidata netCDF Mailing-Lists](http://www.unidata.ucar.edu/netcdf/mailing-lists.html)
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### Feedback
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We appreciate feedback from users of this package. Please send comments, suggestions, and bug reports to <support-netcdf@unidata.ucar.edu>.
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