[Paraview] HeadTracking in ParaView CAVE

[Emiliano Pastorelli]

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!

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 <mailto:aashish.chaudhary at kitware.com>> 
> wrote:
>
>
>
>     On Thu, Jan 10, 2013 at 9:00 AM, Emiliano Pastorelli
>     <hogancito at gmail.com <mailto: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 <http://www.kitware.com> 
>
>
>
>
> -- 
> | Aashish Chaudhary
> | R&D Engineer
> | Kitware Inc.
> | www.kitware.com <http://www.kitware.com>

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