Re: [ROOT] Root and Xfree86-4.0

From: Fons Rademakers (Fons.Rademakers@cern.ch)
Date: Tue Feb 06 2001 - 16:41:29 MET


Hi Jiri,

   I just tried on my RH7.0 with XFree 4.0.2 with Matrox G400 card and
the picture looks perfectly fine (see attached picture).

There must be something else wrongly configured on your systems.

Cheers, Fons.


PS: xdpyinfo says:

name of display:    :0.0
version number:    11.0
vendor string:    The XFree86 Project, Inc
vendor release number:    4002
...
screen #0:
  dimensions:    1600x1200 pixels (542x406 millimeters)
  resolution:    75x75 dots per inch
  depths (7):    16, 1, 4, 8, 15, 24, 32
  root window id:    0x32
  depth of root window:    16 planes
  number of colormaps:    minimum 1, maximum 1
  default colormap:    0x20
  default number of colormap cells:    64
  preallocated pixels:    black 0, white 65535
  options:    backing-store YES, save-unders YES
  largest cursor:    64x64
  current input event mask:    0xf84033
    KeyPressMask             KeyReleaseMask           EnterWindowMask          
    LeaveWindowMask          KeymapStateMask          SubstructureNotifyMask   
    SubstructureRedirectMask FocusChangeMask          PropertyChangeMask       
    ColormapChangeMask       


On Sun, Feb 04, 2001 at 05:58:38PM +0100, Jiri Masik wrote:
> 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
-- 
Org:    CERN, European Laboratory for Particle Physics.
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E-Mail: Fons.Rademakers@cern.ch              Phone: +41 22 7679248
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