Fwd: Re: windows in different workstations

From: Christopher B. Lirakis (clirakis@bbn.com)
Date: Tue Feb 01 2000 - 22:46:22 MET


Hi there,
         There are a couple of alternatives that are available. HP-UX 
supports something called shared-X which allows multiple HP platforms to 
share the same X display.

Also, I have noticed that HP appears to be one of the only companies 
supporting the multiple display per workstation. This I have used in some 
projects to have as many as 4 separate X servers being directed by the same 
executable. The project had insufficient space on the display surface for 
all of the displays.

I have heard that some graphics drivers are integrated with Linux to serve 
the same purpose.

At one time DEC also had some shareware source for dealing with multiple X 
servers. I can dig up the code if there is interest.

At the risk of over committing myself I would be willing to take this on as 
an initiative. I would estimate that 6 months for such a utility would be 
conservative since I can not spend days building it.

Regards.
Chris

>X-Authentication-Warning: pcroot.cern.ch: majordomo set sender to 
>owner-roottalk@root.cern.ch using -f
>Date: Tue, 1 Feb 2000 12:52:31 -0600 (CST)
>From: Dmitri Litvintsev <litvinse@cdfsga.fnal.gov>
>To: Fons Rademakers <Fons.Rademakers@cern.ch>
>cc: roottalk@pcroot.cern.ch
>Subject: Re: windows in different workstations
>Sender: owner-roottalk@pcroot.cern.ch
>
>
>
>
>Hi Fons,
>
>How difficult would it be to have such an extension.
>In other words will anybody from ROOT team work on it
>within reasonable time scale (IMHO reasonable time scale
>is 6 months).
>
>regards,
>Dmitry
>
>On Tue, 1 Feb 2000, Fons Rademakers wrote:
>
> > You would have to open connections to multiple X servers. However this is
> > not possible with the current system. Could be an interesting extension.
> >
> >
> > Cheers, Fons.
> >
> >
> > Dmitri Litvintsev wrote:
> > >
> > > Hi Rooters,
> > >
> > > I've been developing EventDisplay for on-line monitoring.
> > > I discovered that having more than one window per display
> > > is inconvenient.
> > >
> > > How can I open windows e.g. TCanvases in different
> > > terminals?
> > >
> > > I can have text window (root prompt)  running on one machine
> > > and window opened on  another (just defining $DISPLAY variable).
> > > But how to do so on let's say three-four terminals?
> > >
> > > How shoud I modify guitest.cxx to pop up dialogs from PopUp menu
> > > on different hosts
> > >
> > > Dmitri Litvintsev
> > >
> > > /----------------------------------------------------------\
> > > | Tel:       (630) 840 5005                                |
> > > | FAX:       (630) 840 2968                                |
> > > | office:    169-E CDF Trailers                            |
> > > | E-mail:    litvinse@fnal.gov                             |
> > > \----------------------------------------------------------/
> >
> > --
> > Org:    CERN, European Laboratory for Particle Physics.
> > Mail:   1211 Geneve 23, Switzerland
> > E-Mail: Fons.Rademakers@cern.ch              Phone: +41 22 7679248
> > WWW:    http://root.cern.ch/~rdm/            Fax:   +41 22 7677910
> >

-Christopher B. Lirakis, Phd
-High Performance Computing
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