[gradsusr] Missing contour lines.

[Jennifer M Adams]

This sounds a lot like an old known issue with Cairo and some X11 clients. 
What happens if you use grads with the "-d X11” switch, does the contour plot look normal? 
—Jennifer



> On Jan 7, 2019, at 11:22 AM, Cheeseman, Phillip Allen <aai at purdue.edu> wrote:
> 
>      I've installed GrADS 2.2.0 and GrADS 2.2.1 from the CentOS7 binary tarballs as was done for 2.0.2 several years ago under RHEl6.  The plan was to move the user(s) forward to one of the later versions even though the 2.0.2 installation tested o.k. under CentOS7.
>  
>      The symptom I'm seeing is that the test case in examples/ displays properly using either our Thinlinc server or Xming running on my Windows 10 desktop when using 2.0.2.
>  
>      Both 2.2.0 and 2.2.1 display fine with Xming but when using Thinlinc only the numeric annotation appears on the display.  The Thinlinc symptom occurs for both a Thinlinc client and web login.
>  
>      Am I making a cockpit error when installing for use on Thinlinc?
>  
> I know nothing beyond ...
>         open model.ctl
>         d ps
> w.r.t. using GrADS.
>  
> System /etc/redhat-release:  CentOS Linux release 7.4.1708 (Core)
> Tarballs: grads-2.2.1-bin-centos7.4-x86_64.tar.gz , supplibs-centos7.4-x86_64.tar.gz
> PATH: /apps/cent7/grads/2.2.1/bin
> GADDIR: /apps/cent7/grads/2.2.1/data2
> LD_LIBRARY_PATH: /apps/cent7/grads/2.2.1/supplibs/lib
> 
> $GADDIR/udpt:
> # Type     Name     Full path to shared object file
> # ----     ----     -------------------------------
> gxdisplay  Cairo    /apps/cent7/grads/2.2.1/lib/libgxdCairo.so
> gxdisplay  X11      /apps/cent7/grads/2.2.1/lib/libgxdX11.so
> gxdisplay  gxdummy  /apps/cent7/grads/2.2.1/lib/libgxdummy.so
> *
> gxprint    Cairo    /apps/cent7/grads/2.2.1/lib/libgxpCairo.so
> gxprint    GD       /apps/cent7/grads/2.2.1/lib/libgxpGD.so
> gxprint    gxdummy  /apps/cent7/grads/2.2.1/lib/libgxdummy.so
>  
>                                                                 Thanks and best regards,
>                                                                 Phil
>  
>                                                                 P. A. Cheeseman
>                                                                 aai at purdue.edu
>                                                                 765.496.8224
>  
>  
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--
Jennifer Miletta Adams
Center for Ocean-Land-Atmosphere Studies (COLA)
George Mason University