Re: [ROOT] Root and Xfree86-4.0

From: Jiri Masik (masik@pc203b.fzu.cz)
Date: Sun Feb 04 2001 - 17:58:38 MET


Jiri Masik <masik@pc203b.fzu.cz> writes:

> Hi,
> 
> I've run into an incompability between Root and Xfree86-4.0. When Root
> window is displayed on a Xfree-4.0 server. some histograms are
> presented with erratic line styles. Here are two examples to
> demonstrate it.
> 
> http://darbujan.fzu.cz/~masik/root/xf4/mga.gif
> http://darbujan.fzu.cz/~masik/root/xf4/ls.gif
>
> The line style changes on lines showing the bin content.
> 
> The same executable runs fine on a Xfree-3.x server display and also
> produces a proper PostScript file. I've got two boxes with Xfree-4.0.2
> both running Debian/Linux and Root-v3.00-02. Earlier versions of root
> also fail to display the histogram on these servers. Also it is not a
> question of the latest Xfree-4.0.2, it happened in the earlier
> versions as well

Hi, 

to give more details - I tried on a Cern computer today - it's an
officially installed Redhat6.1 with Xfree4, rage128 video card, Root
run from AFS. I can reproduce the bad appearance of plots on the
system as well. I just did

TH1F h("h","",10, 0., 1.)
h.Fill(0.5)
h.SetLineStyle(2)
h.Draw()

to get the first picture mga.gif.

        Jiri



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