This program is a simple, fast, GUI-based tool for visualising fields in a netCDF file. ncview is a visual browser for netCDF format files.ncBrowse is a generic netCDF file viewer that includes Java graphics, animations and 3D visualizations for a wide range of netCDF file conventions.A commonly used set of Unix command line utilities for netCDF files is the NetCDF Operators (NCO) suite, which provide a range of commands for manipulation and analysis of netCDF files including basic record concatenating, array slicing and averaging.A number are listed below, and a longer list is on the UCAR website. These range from command line utilities to graphical visualization packages.
#Nc file viewer software#
Application programmers using supported languages need not normally be concerned with the file structure itself, even though it is available as open formats.Ī wide range of application software has been written which makes use of netCDF files. The API calls for version 2 were rather different from those in version 3, but are also supported by versions 3 and 4 for backward compatibility. The specification of the API calls is very similar across the different languages, apart from inevitable differences of syntax. Interfaces to netCDF based on the C library are also available in other languages including R ( ncdf, ncvar and RNetCDF packages), Perl, Python, Ruby, Haskell, Mathematica, MATLAB, IDL, Julia and Octave. An independent implementation, also developed and maintained by Unidata, is written in 100% Java, which extends the core data model and adds additional functionality. The core library is written in C, and provides an API for C, C++ and two APIs for Fortran applications, one for Fortran 77, and one for Fortran 90. The software libraries supplied by UCAR provide read-write access to netCDF files, encoding and decoding the necessary arrays and metadata. NetCDF users can create HDF5 files with benefits not available with the netCDF format, such as much larger files and multiple unlimited dimensions.įull backward compatibility in accessing old netCDF files and using previous versions of the C and Fortran APIs is supported. Starting with version 4.0, the netCDF API allows the use of the HDF5 data format. The data are stored in a fashion that allows efficient subsetting. The format is platform independent, with issues such as endianness being addressed in the software libraries. This means that there is a header which describes the layout of the rest of the file, in particular the data arrays, as well as arbitrary file metadata in the form of name/value attributes.
#Nc file viewer windows#
Version 4.3.0 (2012) added a CMake build system for Windows builds.
Version 4.1 (2010) added support for C and Fortran client access to specified subsets of remote data via OPeNDAP. Version 4.0 (released in 2008) allowed the use of the HDF5 data file format. The original netCDF binary format (released in 1990, now known as "netCDF classic format") is still widely used across the world and continues to be fully supported in all netCDF releases. The project started in 1988 and is still actively supported by UCAR. NetCDF Classic and 64-bit Offset Format are an international standard of the Open Geospatial Consortium. They are also the chief source of netCDF software, standards development, updates, etc. The project homepage is hosted by the Unidata program at the University Corporation for Atmospheric Research (UCAR). NetCDF ( Network Common Data Form) is a set of software libraries and self-describing, machine-independent data formats that support the creation, access, and sharing of array-oriented scientific data.
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