[gradsusr] * * * New release: GrADS 2.1.1.b0 * * *

[Brian Gaze]

Good news about the new release.

Any plans (Arlindo??) for an OpenGrads windows version?

Brian




> On 14 February 2017 at 14:16 Jennifer M Adams <jadams21 at gmu.edu> wrote:
> 
> 
> Happy Valentines Day to all of our forum-subscribing GrADS users!
> 
> Brian and I are pleased to announce a new release of GrADS, version 2.1.1.b0.
> This build has some important and useful new features, perhaps the most
> exciting being the addition/return of User Defined Plug-in (UDP) functions,
> which are called plug-ins to distinguish them from the old user defined
> functions (from the version 1.9 era) and user defined extensions (from
> opengrads). The opengrads extensions should work with just a few minor
> adjustments to the entries in the user defined plug-in table. We have also
> added logical operators to the expression handler, (e.g. ‘display slp<980’)
> and an if() function which facilitates the use of the logical operators. The
> result of a logical expression is 1 or -1, making it especially easy to use
> with maskout(). Here’s how simple it is to create a mask for a lat/lon
> subdomain:
>   ga-> d maskout(tsfc,(lat>=-5)&(lat<=5)&(lon>=190)&(lon<=240))
> 
> Another handy new scripting language function, sys(), will submit a command to
> the shell, similar to putting a “!” in front of your command, except that the
> resulting output can be captured and returned as a string buffer to be parsed
> in your script.
> 
> The GrADS downloads web page
> (http://cola.gmu.edu/grads/downloads.html<http://iges.org/grads/downloads.html>)
> has been updated with links to the source code and pre-compiled binaries for
> 32-bit and 64-bit linux plus Mac OS X (10.9). The recent switch from HTTP to
> HTTPS for most .gov data servers requires that GrADS be linked with the
> OpenSSL library. This is done dynamically, which means that the library must
> be present on your local system in order to use the SSL-enabled builds.
> Because OpenSSL is not always available or may not be the most recent version,
> I have also created builds that are not linked with OpenSSL.
> 
> The full text from the ChangeLog is copied below. Enjoy!
> —Jennifer
> 
> 
> 
>     Features:
>     * Added support for User Defined Plug-in functions which replace the old
> UDFs
>     * Added support for logical operators in the expression syntax (gridded
> data only)
>     * New function 'if()' performs an if/then/else expression evaluation
>     * New scripting language function 'sys()' submits any command to the shell
> and
>         returns the resulting text stream that the command sends to standard
> output
>     * New option '-4de' for the 'set sdfwrite' command
>     * New option for 'q define' prints all the relevant information about a
> variable
>     * New command 'set barbopts' to support filled pennant flags on wind barbs
> 
>     Misc:
>     * Added support in gxprint for mixed case file names with the -f or -b
> option
>     * Added descriptor file entry 'XYTRAILER' for files that have a trailer
> record
> 
>     New/Updated Documentation:
>     * http://cola.gmu.edu/grads/gadoc/udp.html
>     * http://cola.gmu.edu/grads/gadoc/expressions.html
>     * http://cola.gmu.edu/grads/gadoc/gradfuncif.html
>     * http://cola.gmu.edu/grads/gadoc/script.html
>     * http://cola.gmu.edu/grads/gadoc/gradcomdsetsdfwrite.html
>     * http://cola.gmu.edu/grads/gadoc/descriptorfile.html
>     * http://cola.gmu.edu/grads/gadoc/gradcomdqdefine.html
>     * http://cola.gmu.edu/grads/gadoc/gradcomdsetbarbopts.html
> 
>     Supplib Update:
>     * Some builds are linked dynamically with OpenSSL to access data servers
> via HTTPS.
>       This library may not always be needed or available, so builds without
> OpenSSL
>       have also been provided.
> 
> 
> 
> 
> 
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