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The Latest Version of GrADS
GrADS version 2.0.2, a stable non-alpha, non-beta release, is now available.

The “source” links below contains the source code, documentation, and the supplementary data sets. Information on how to build GrADS and all of its required supplibs from source may be found here. The links for individual operating systems contain only a suite of pre-compiled executables. Earlier releases are in ftp://cola.gmu.edu/grads/2.0/old/.

Please look at the Change Log for lists of new features, bug fixes, and miscellaneous changes associated with each release.

The GrADS exectuables for versions 1.9 and earlier are as follows:

External utilities are packaged in the binary distributions for all versions of GrADS (with exceptions as noted):

The MS windows versions are packaged with an install script. For the UNIX versions, you must uncompress and unpack the tar file after you’ve downloaded it:

gunzip <tarfile>.gz
tar xvf <tarfile>

The GrADS executables are typically placed in /usr/local/bin/grads/. If you do not have write permission for this directory, you can put them in a subdirectory of your home directory (~/bin) or anywhere else in your path.

Supplementary Files
The font and map files are supplementary data sets that are required in order to run GrADS. Their default location is: /usr/local/lib/grads/. If you do not have write permission for this directory you can place the files elsewhere, but you must also change the environment variable GADDIR so the GrADS executables will know where to find these files. You can download the data files separately by clicking here: data2.tar.gz.

cd <dirname>
tar xvfz data2.tar.gz
setenv GADDIR <dirname>

An additional supplementary tar file contains a sample gridded data set along with an example session that reviews basic GrADS capabilities. This data set is not required to run GraDS. If you have not used GrADS before, you are strongly encouraged to obtain this file and go through the sample session. You can download it directly by clicking here: example.tar.gz

If you are a MS Windows user, you may also want an executable of cnvgrib or wgrib2.

Earlier Releases of GrADS
The GrADS distributions for version 1.8 and 1.9 contain pre-compiled binary executables, the source code, documentation, and the supplementary data sets that are required to run GrADS (fonts and map files).

GrADS Metafile Viewer for Windows 95/NT
The GrADS metafile Viewer (GV) allows you to view and manipulate GrADS graphics output files using Windows 95/NT. There are two files to download: gv32.exe and gv32.hlp (Note: GV will not work with GrADS version 2.0.)

To view a GrADS metafile simply double click on a filename listed in the File Manager or Explorer, drag and drop the file onto GV, or use the standard Open dialog box. GV assumes that default extension of GRADS metafiles is GMF. If your file includes more than one picture you can browse through pages using the keyboard keys (PageDown and PageUp) or the toolbar buttons.

Use the View commands and the View/Options dialog box to customize the image — display it as black-and-white or color, change the line thickness, or clip and enlarge any part of the image. Use the right mouse button to access the most commonly used features.

There are two ways to save separate pages of a GRADS metafile as Windows Metafile (WMF): 1) use the File/Save Page As command, or 2) use the Edit/Copy command to copy the current page to the Windows Clipboard and then Edit/Paste it in your favorite Windows application that handles Windows Metafiles.

Use File/Print command to print a current document to any printer (you do not need a Postscript printer). Use File/Print Preview to display the active metafile as it would appear when printed.