[Paraview] ParaView Tiled Display Mode Query

[Moreland, Kenneth]

There are some technical nuances here, but the short answer is no.  ParaView does not support tiles of different sizes.  Your idea of treating the 3200x1200 as two 1600x1200 displays is a good one and probably the easiest way to get this to work.

-Ken


On 5/27/10 4:48 AM, "Kumar, Shree" <shreekumar at hp.com> wrote:

Hi,

I have ParaView running on a Tiled Display (using instructions from
https://visualization.hpc.mil/wiki/Paraview_Tiled-Display_Mode). I have setup a number of X
screens that control the tiled display. I use the options -tdx and -tdy to get Paraview running
on the tiled display.

This worked fine when all my X screens were of the same size. I have a new setup now. In this
setup, some X screens are smaller than others (these are on the edges of the Tiled Display). One
such example Tiled Display is :

+-----------+-----------+-----------+
| 1600x1200 | 1600x1200 | 1600x1200 |
+-----------+-----------+-----------+
<----- :0.0 -----------> <-- :0.1 -->
      3200x1200

( Screen 0 is controlling two displays, and Screen 1 is controlling a single display )

When I now run ParaView (pvserver with mpirun, etc), I don't get the correct image on the tiled
display (didn't expect it either). I also see error messages like the following --
"""
ICET,0:ERROR: Sizes of src and dest do not agree.
ICET,1:ERROR: Sizes of src and dest do not agree.
"""

Now one question : Is there any way to get such an irregular configuration working ?

One solution could be to configure a separate screen for each display, each of size 1600x1200; if
done, this would become a "regular" 3x1 configuration and ParaView would run satisfactorily ?

---

Slightly OT: I am running ParaView using VizStack (http://vizstack.sf.net/). This converts node(s)
with GPU(s) into a sharable viz resource. Users can allocate one/more GPUs and run applications
(such as ParaView) as well as remote viz sessions (TurboVNC/VirtualGL/HP RGS) on them. I'll be
making a separate announcement on this sometime next week, but you're welcome to try VizStack too!

With VizStack, each user can run independent ParaView sessions on a cluster, with each of them
using any number of available GPUs. VizStack dynamically configures X servers based on what GPUs
are allocated to each user. VizStack's ParaView script can run ParaView in "Single Client-Multiple
Server" mode, as well as in "Tiled-Display" mode.

Thanks
-- Shree

VizStack : http://vizstack.sourceforge.net/
Personal Blog : http://www.shreekumar.in/
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   ****      Kenneth Moreland
    ***      Sandia National Laboratories
***********
*** *** ***  email: kmorel at sandia.gov
**  ***  **  phone: (505) 844-8919
    ***      web:   http://www.cs.unm.edu/~kmorel

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