netcdf-c/README.md

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# Unidata NetCDF
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[![Build Status](https://travis-ci.org/Unidata/netcdf-c.svg?branch=master)](https://travis-ci.org/Unidata/netcdf-c)
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### About
The Unidata network Common Data Form (**netCDF**) is an interface for
scientific data access and a freely-distributed software library that
provides an implementation of the interface. The netCDF library also
defines a machine-independent format for representing scientific data.
Together, the interface, library, and format support the creation,
access, and sharing of scientific data. The current netCDF software
provides C interfaces for applications and data. Separate software
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distributions available from Unidata provide Java, Fortran, Python,
and C++ interfaces. They have been tested on various common
platforms.
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#### Properties
NetCDF files are self-describing, network-transparent, directly
accessible, and extendible. `Self-describing` means that a netCDF file
includes information about the data it contains. `Network-transparent`
means that a netCDF file is represented in a form that can be accessed
by computers with different ways of storing integers, characters, and
floating-point numbers. `Direct-access` means that a small subset of a
large dataset may be accessed efficiently, without first reading through
all the preceding data. `Extendible` means that data can be appended to
a netCDF dataset without copying it or redefining its structure.
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#### Use
NetCDF is useful for supporting access to diverse kinds of scientific
data in heterogeneous networking environments and for writing
application software that does not depend on application-specific
formats. For information about a variety of analysis and display
packages that have been developed to analyze and display data in
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netCDF form, see
* [Software for Manipulating or Displaying NetCDF Data](http://www.unidata.ucar.edu/netcdf/software.html)
##### More information
For more information about netCDF, see
* [Unidata Network Common Data Form (NetCDF)](http://www.unidata.ucar.edu/netcdf/)
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### Latest releases
You can obtain a copy of the latest released version of netCDF
software for various languages:
* [C library and utilities](http://github.com/Unidata/netcdf-c)
* [Fortran](http://github.com/Unidata/netcdf-fortran)
* [Java](http://www.unidata.ucar.edu/downloads/netcdf/netcdf-java-4/)
* [Python](http://github.com/Unidata/netcdf4-python)
* [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
### Installation
To install the netCDF-C software, please see the file INSTALL in the
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)
### Documentation
A language-independent User's Guide for netCDF, and some other
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)
* [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)
* [Fortran-77 User's Guide](http://www.unidata.ucar.edu/software/netcdf/documentation/historic/netcdf-f77/index.html#Top)
* [netCDF-Java/Common Data Model library](http://www.unidata.ucar.edu/software/thredds/current/netcdf-java/)
* [netCDF4-python](http://unidata.github.io/netcdf4-python/)
A mailing list, netcdfgroup@unidata.ucar.edu, exists for discussion of
the netCDF interface and announcements about netCDF bugs, fixes, and
enhancements. For information about how to subscribe, see the URL
* [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>.