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Software Applications

These software applications are tools commonly used by atmospheric and Earth systems scientists. In many cases, NCAR or UCAR have either created or contributed to their development.

 



Data Management
GRIB GRidded In Binary
a World Meteorological Organization standard for the efficient exchange of gridded binary data. We maintain a library of general-purpose routines, available for many platforms, for converting grids into and out of the GRIB format.
HDF Hierarchical Data Format
includes I/O libraries and tools for analyzing, visualizing, and converting scientific data
IDD Internet Data Distribution
a system for disseminating near real-time earth observations via the Internet
LDM Local Data Manager
a collection of cooperating programs that select, capture, manage, and distribute arbitrary data products, currently used in the Unidata Internet Data Distribution project. Includes network client and server programs and their shared protocols.
NetCDF Network Common Data Form
an interface for array-oriented data access and a library that provides implementation of the interface. The netCDF library also defines a machine-independent format for representing scientific data.
OPeNDAP/DODS Open-source Project for a Network Data Access Protocol
provides software which makes local data accessible to remote locations regardless of local storage format. It also provides tools for enabling existing applications to remotely access OPeNDAP-served data. OPeNDAP replaces DODS, the Distributed Oceanographic Data System



Display & Analysis
GEMPAK GEneral Meteorology PAcKage
an analysis, display, and product generation package for meteorological data, used to produce operational forecast and analysis products
IDV Integrated Data Viewer
a Java-based software framework for analyzing and visualizing geoscience data from satellite and surface observations within a unified interface
LAS Live Access Server
a tool for locating, analyzing, and displaying data via the Web, used on many data servers with DODS as a transport protocol
MMM Software Mesoscale and Microscale Meteorology Software
data analysis packages for radar, aircraft, surface mesonet, sounding, and gridded data
Math Libraries Mathematical and Statistical Libraries
a large collection of software to assist researchers outside NCAR who use our computers
McIDAS Man computer Interactive Data Access System
a large, research-quality suite of applications for decoding, analyzing, and displaying meteorological data and model results for research and education
NCAR Graphics NCAR Graphics
a Fortran and C based software package for scientific visualization with over two dozen utilities for drawing contours, maps, vectors, streamlines, weather maps, surfaces, histograms, X/Y plots, annotations, and more. It also contains a collection of interpolators and approximators for one-dimensional, two-dimensional, and three-dimensional data.NCAR Graphics is free and downloadable as source code and in binary form. What is NCAR Graphics? has more information, including when to use NCAR Graphics and when to use NCAR Command Language.
NCL NCAR Command Language
a free interpreted language designed specifically for scientific data processing and visualization. can read and write netCDF-3, netCDF-4 classic, HDF4, binary, and ASCII data, and read HDF-EOS2, GRIB1 and GRIB2. The graphics are highly customizable. NCL and NCAR Graphics are released as one package in source code or binary format.
THREDDS Thematic Realtime Environmental Distributed Data Services
a project developing middleware to bridge the gap between data providers and data users



Visualization
IDV Integrated Data Viewer
a Java-based software framework for analyzing and visualizing geoscience data from satellite and surface observations within a unified interface
NCAR Graphics NCAR Graphics
a Fortran and C based software package for scientific visualization with over two dozen utilities for drawing contours, maps, vectors, streamlines, weather maps, surfaces, histograms, X/Y plots, annotations, and more. It also contains a collection of interpolators and approximators for one-dimensional, two-dimensional, and three-dimensional data.NCAR Graphics is free and downloadable as source code and in binary form. What is NCAR Graphics? has more information, including when to use NCAR Graphics and when to use NCAR Command Language.
NCL NCAR Command Language
a free interpreted language designed specifically for scientific data processing and visualization. can read and write netCDF-3, netCDF-4 classic, HDF4, binary, and ASCII data, and read HDF-EOS2, GRIB1 and GRIB2. The graphics are highly customizable. NCL and NCAR Graphics are released as one package in source code or binary format.
VAPoR Visualization and Analysis Platform for Ocean, Atmosphere, and Solar Researchers
a visual data discovery environment tailored for the geosciences computational fluid dynamics community, a desktop solution capable of handling terascale-size data sets, advanced interactive 3-D visualization tightly coupled with quantitative data analysis support for multivariate, time-varying data, and close coupling with RSI's powerful interpretive data language, IDL (now part of ITT)
Vis5d+ Visualization in 5 Dimensions
a software system for interactive visualization of large 5D gridded data sets (three space dimensions, one time dimension, and a dimension for enumerating multiple physical variables) such as those produced by numerical models in the atmospheric sciences
Volsh VOLume-rendering Shell
a portable volume renderer based on Philippe Lacroute 's Shear-Warp Factorization algorithms, providing fast, high-fidelity, visualizations of byte-scalar, volumetric data sets
 

 


NCAR Command Language link

NCAR Graphics link

CISL Portal link

 

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