[gradsusr] OpenGrADS 2.2.1 for Windows: Available for Testing

[Arlindo da Silva]

Dear GrADS Users,

  After a long hiatus, I am pleased to announce a new OpenGrADS 2.2.1 build
for Windows:

*Windows*:
https://sourceforge.net/projects/opengrads/files/grads2/2.2.1.oga.1/Windows/



As usual, the superpack.exe is the familiar self-installing package
(batteries included.)  The tar.gz file is intented for cygwin users
(32-bit). As of now, I have no plans for a 64-bit cygwin build.  The main
reason is the Windows Subsystem for Linux (WSL) capability that allows you
to run the 64-bit Linux build under Windows 10. Read on.

*Running GrADS under the Windows 10 Subsystem for Linux (WSL)*

The OpenGrADS Linux tarballs should run out of the box on WSL. Here is a
quick roadmap:

1) Install the Windows Subsystem for Linux:

*WSL*:  https://docs.microsoft.com/en-us/windows/wsl/install-win10


2) Install a Linux Distribution from the Microsoft App Store. The suggested
Linux Distribution for GrADS is *Ubuntu 18LTS *although others may work as
well.

3) Install an X server of your choice. The free Xming works great:

*Xming:*  https://sourceforge.net/projects/xming/


Start the Xserver by clicking on it.

4) Download the OpenGrADS Bundle Linux tarball for *glibc 2.17 *(others may
work, but the 2.17 is recommended for Ubuntu 18LTS):

*Linux*:
https://sourceforge.net/projects/opengrads/files/grads2/2.2.1.oga.1/Linux/


5) On the Linux command line under Windows 10 do as you would do on regular
Linux:

     % tar xvfz */path/to*
/opengrads-2.2.1.oga.1-bundle-x86_64-pc-linux-gnu-glibc_2.17.tar.gz
     % cd opengrads-2.2.1/Contents
     % ./opengrads
      % ./grads
      % ./ncep

If you download the OpenGrADS on the Windows side, the tar ball will likely
be on your Download folder. In this case, the */path/to* above should be
*/mnt/c/Users/USERNAME/Downloads*, where USERNAME is your user name.

Put the opengrads-2.2.1/Contents directory on your path and you are ready
to go --- no need to set any environment variable other than PATH. It
should work out of the box, YMMV.

*Which version is faster? Cygwin-based or Linux under WSL?*

I was hoping that the user community could help us answering this question.
If you benchmark these 2 builds, please share your experience in this form:

*Benchmark*: https://goo.gl/forms/yUIEL8pncfGH87Zz1


I will share the results here.

    Please  report any issues with the Windows build by replying to this
list. (No personal e-mail, please. I mean it.)

    Enjoy!

          Arlindo

-- 
Arlindo da Silva
dasilva at opengrads.org
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