[Paraview] HeadTracking in ParaView CAVE

[Aashish Chaudhary]

On Mon, Jan 28, 2013 at 4:19 PM, Emiliano Pastorelli <hogancito at gmail.com>wrote:

>  Hi Aashish, perfect, thank you very much! I'll give it a try tomorrow,
> and if it all works well i'll use it for a demonstration on wednesday, just
> in time!
>

Great. Let us know if we can help.

Thanks,


>
> Regards,
> Emiliano
>
> Il 28/01/13 22:15, Aashish Chaudhary ha scritto:
>
> 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
>
>
>


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