[Xquartz-dev] X11 2.3.1 and pgplot not redrawing

[Jeremy Huddleston]

Interesting.  Are you certain that it was working in rc5?  If so, then 
it's almost certainly related to the visuals as that's the only "real" 
change in rc6 that could affect this.

I hope to have a 2.3.2 beta1 for you guys sometime before we get too fat 
into October which addresses some of these visuals problems, a very rare 
crash that I found (and hasn't been reported here) due to a race in TIS, 
and some great work on Copy&Paste done by George Staplin (please send 
him all the great praise that he deserves).

Cheers,
Jeremy

Jamie Kennea wrote:
> Hi,
>
> I have found an issue with X11 2.3.1 and the pgplot graphing library,  
> which is commonly used by Astronomers. The issue I have is the  
> following, utilizing the "qdp" (Quick and Dirty Plotter) tool as an  
> example.
>
> Launching qdp with a sample file works fine.
>
> qdp test.qdp
>   To produce plot, please enter
> PGPLOT file/type: /xs
> PLT>
>
> I get a line plot as I would expected (test.qdp consists of 2 columns  
> of numbers). Now when I try to modify the plot on the qdp command line  
> by, for example the command "ma on" (switch from light to point  
> plotting), nothing happens. In fact all changes to I attempt to make  
> to the plot make no difference, the plot in the X11 window remains  
> static.
>
> If I use the "hardcopy" command to create a postscript version of the  
> plot however, the PS version has all the changes applied.
>
> I believe that something in X11 2.3.1 has stopped the X11 PGPLOT  
> window from being refreshed/replotted. As far as I know this problem  
> has been introduced somewhere between 2.3.1rc5 and 2.3.1.
>
> I've confirmed this behaviour on 2 machines running 2.3.1, including  
> running pgplot from a linux box to a Mac via ssh forwarding, to the  
> same effect.
>
> I'll submit a bug.
>
> Thanks,
>
> Jamie
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