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GrADS uses a 4-Dimensional data environment: longitude, latitude, vertical level, and time. Data sets are placed within the 4-D space by use of a data descriptor file. GrADS interprets station data as well as gridded data, and the grids may be regular, non-linearly spaced, gaussian, or of variable resolution. Data from different data sets may be graphically overlaid, with correct spatial and time registration. Operations are executed interactively by entering FORTRAN-like expressions at the command line. A rich set of built-in functions are provided, but users may also add their own functions as external routines written in any programming language.
Data may be displayed using a variety of graphical techniques: line and bar graphs, scatter plots, smoothed contours, shaded contours, streamlines, wind vectors, grid boxes, shaded grid boxes, and station model plots. Graphics may be output in PostScript or image formats. GrADS provides geophysically intuitive defaults, but the user has the option to control all aspects of graphics output.
GrADS has a programmable interface (scripting language) that allows for sophisticated analysis and display applications. Use scripts to display buttons and dropmenus as well as graphics, and then take action based on user point-and-clicks. GrADS can be run in batch mode, and the scripting language facilitates using GrADS to do long overnight batch jobs.
grads (2.0.a9-4+b2) sid; urgency=low * Binary-only non-maintainer upload for mipsel; no source changes. * Rebuild against libnetcdf7 -- mipsel Build Daemon (rem) <firstname.lastname@example.org> Thu, 08 Mar 2012 01:06:48 +0000 grads (2.0.a9-4) unstable; urgency=low * B-D on dh-autoreconf; use dh -- with autoreconf -- Alastair McKinstry <email@example.com> Sun, 23 Oct 2011 2 more»
GrADS was packaged for Debian by Alastair McKinstry <firstname.lastname@example.org> on 2009-08-09. It was downloaded from: http://www.iges.org/grads/ The Grid Analysis and Display System (GrADS) Version 1.9 Copyright (C) 1988-2005 by Brian Doty and the Institute of Global Environment and Society (IGES). The Center for Ocean-Land-Atmosphere Studies (COLA) is the center more»