[Paraview] HeadTracking in ParaView CAVE

[Aashish Chaudhary]

Hi Emiliano,

I just wanted to let you know that recently we fixed couple of minor bugs
and now they are in ParaView master if you want to give it a try.

Thanks


On Fri, Jan 11, 2013 at 12:47 PM, Aashish Chaudhary <
aashish.chaudhary at kitware.com> wrote:

>
>
> On Thu, Jan 10, 2013 at 9:00 AM, Emiliano Pastorelli <hogancito at gmail.com>wrote:
>
>> Hi,
>>
>> I'm having some issues with headtracking in ParaView in a 3 screens
>> environment (2 walls + 1 table). From the GUI (and also from the config
>> pvsm file, but equal results) I tried to configure the following propertier
>> connected to the tracker.
>>
>> a) Camera Position ( I mentioned it in a previous message), the vrpn
>> server doesn't seem to feed the proper argument to the SetCamera function
>> and so it doesn't work.
>> b) View Position : when i start the vrplugin it gives me the following
>> message :
>> Generic Warning: In /home/hogan/projects/ParaView/**
>> ParaViewCore/ServerManager/**Core/vtkSMPropertyHelper.cxx, line 429
>> Call not supported for the current property type.
>> And nothing happens.
>> c) EyeTransformMatrix : close to be working, but when i move my head
>> around the screens, the object doesn't move properly around the screens
>> (while if i just move the object with the mouse, it goes properly across
>> the three display, moving from one to another according to the position)
>> d) ModelTransformMatrix : works properly
>>
>> Which is the "official" procedure to do the headtracking? Am I doing
>> something wrong? The fact that it works properly with the
>> ModelTransformMatrix makes me think that the vrpn server that i wrote for
>> this tracker works properly, so i don't get what else i shall modify to
>> properly track the head movement.
>>
>
> Connecting your sensor to the EyeTransformMatix is the right thing to do
> for the head tracking. Is it possible that your numbers are too small? When
> you move your head the position of the object may not move that much
> depending on your object is front of the projected plane or behind. If you
> can send me your config file, state file and what values you are getting
> from your sensor, I can provide you exact explanation.
>
> Thanks,
>
>
>
>> Any hint is welcome before i go mad!
>> Best,
>> Emiliano
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>
>
>
> --
> | Aashish Chaudhary
> | R&D Engineer
> | Kitware Inc.
> | www.kitware.com




-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com
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