[Paraview] VRPN Setup

[Sean Delaney]

Thanks Nikhil.

I should have mentioned that I have set the VRplugin to load automatically
both for the server and client (and checked that it is marked as "loaded"
in the manager). My apologies for not mentioning that in the last message.

The figures I used in the pvx file describing the corners of the screen (in
the coordinates / units of the tracking system) are not correct, I just
used them for testing. I was still expecting to see some change on the
display when I move the tracking target (even if it's not the "correct"
change). I can recalibrate the system to rule this out, but I suspect that
this will not solve the problem.

Perhaps I can use a network monitoring tool to see if Paraview is actually
connecting to the tracking server.

Seán




On Mon, Jul 9, 2012 at 3:14 PM, Nikhil Shetty <nikhil.shetty at kitware.com>wrote:

> Sean,
>
> On Mon, Jul 9, 2012 at 9:04 AM, Sean Delaney <sdelaney at cp.dias.ie> wrote:
>
>> Hi Nikhil and Stephan,
>>
>> Outstanding response time, thanks! As you say, my first mistake is not
>> using a CAVE client-server setup.
>>
>> I have set up a CAVE display with the short pvx file below, (borrowed
>> from the CAVE example). I run the server with
>> pvserver /path/to/config.pvx
>> I don't use MPI because I only have 1 screen and hence 1 process. I
>> launch the client (by ssh from another machine) with
>> paraview --stereo --stereo-type="Crystal Eyes" --server="hubble1"
>> --state=/path/to/1.pvsm
>> where "hubble1" is the local hostname, and also the PVserver name.
>>
>> Result: A "cave" type window is launched in fullscreen mode on the main
>> display showing a stereo image. The standard Paraview client is available
>> on the remote machine (via X forwarding). I can manipulate the session with
>> the mouse on the remote machine. Moving the tracking targets has no effect
>> on the main display.
>>
>> Perhaps I should save the state from the CAVE session and append the VRPN
>> settings to that one instead?
>>
>> Make sure that the VRPlugin is loaded at startup. The appended VRPN
> setting in *.pvsm are read by the plugin. When the plugin is not loaded
> then the configuration is simply ignored.
>
> Thanks,
>>
>> Seán
>>
>>
>> ------------------------------ config.pvx ------------------------
>> <?xml version="1.0" ?>
>> <pvx>
>>  <Process Type="client" />
>>  <Process Type="server">
>>     <EyeSeparation Value="0.065"/>
>>     <Machine name="hubble1"
>>              Environment="DISPLAY=:0"
>>              LowerLeft="-1.0 -1.0 -1.0"
>>              LowerRight="1.0 -1.0 -1.0"
>>              UpperRight="1.0  1.0 -1.0">
>>     </Machine>
>>   </Process>
>> </pvx>
>>
>
>
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