[Paraview] VRPN Setup

[Sean Delaney]

Hi Nikhil,

My config and state files are attached.

While running Paraview, I used netstat to look for a connection to the
tracking server, but found no connection. If I use "vrpn_print_devices
iotracker at 192.168.20.9" then netstat can find the connection.

By the way, the vrpn_print_devices command returns information on 2
different "sensors". Should I be selecting one of them in the state file?
Or is this standard for a single tracking device?

Thanks,

Seán







On Tue, Jul 10, 2012 at 3:04 AM, Nikhil Shetty <nikhil.shetty at kitware.com>wrote:

> Hi Sean,
>
> Can you send me your config and state files. I'll take a look.
>
> -Nikhil
>
>
> On Mon, Jul 9, 2012 at 11:19 AM, Sean Delaney <sdelaney at cp.dias.ie> wrote:
>
>> 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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>>
>
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