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.
Extendible means that data can be appended to a netCDF dataset without copying it or redefining its structure. Direct-access means that a small subset of a large dataset may be accessed efficiently, without first reading through all the preceding data. 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. Self-describing means that a netCDF file includes information about the data it contains. NetCDF files are self-describing, network-transparent, directly accessible, and extendible. They have been tested on various common platforms. Other separate software distributions available from Unidata provide C Java, C++, and Python. It depends on the netCDF C library, which must be installed first. This software package provides Fortran application interfaces for accessing netCDF data. Together, the interface, library, and format support the creation, access, and sharing of scientific data. The netCDF library also defines a machine-independent format for representing scientific data. The Unidata network Common Data Form (netCDF) is an interface for scientific data access and a set of freely-distributed software libraries that provide an implementation of the interface.
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