[Paraview] VRPlugin (some feedback)

[Aashish Chaudhary]

Hi Christian,

On Thu, Feb 9, 2012 at 2:49 AM, Christian Wohlschlager <
Christian.Wohlschlager at jku.at> wrote:

>  Hello Stefan !
>
>  I have 2 Cave's on 3 screen and one 4 screens.
>
>  the one with 3 screen is in the form of a half pipe and the one with 4
> is from left right botton.
>
> we are using selfe made application as well as paraview and vmd.
>
> VMD = Virtual Molekular Dynamics is using CaveLib
>
> and paraview is using own code.
>
> Just now Version 3.12 Paraview (former versions 2.8 have been ok vpn
> traking was not possible )
>
>  now we try to use 3.12 with juchee vpn enabled and cave enabled.
>
> but there are some problems displaying ??? large objects ??? ( 7.5 MB)
>
> with simple objects i dont have that kind of problems (see communication
> mail list)
>
> maybe ( i dont know its a problem of the graphik card driver)
>

What kind of problem you  ran into with large objects? Sorry I might have
missed your email earlier.

>
>
>  mfg
>
>  christian
>
>
> Christian Wohlschlager
> JKU Universität Linz
> Altenbergerstr.69
> 4040 Linz
> Austria
>
>
>
> >>> "Stephan Rogge" <Stephan.Rogge at tu-cottbus.de> 2/8/2012 1:38 PM >>>
>
> Hello,
>
> I’ve start to work intensively with the VRPlugin from git-master and want
> to get some feedback. First of all it works almost great :-). As a tracking
> system I’m using A.R.TrackPack2 with two infrared cameras and their VRPN
> server implementation.
>
> To be able to compile that Plugin some modifications were necessary:
> *  As mentioned in this post (
> http://www.paraview.org/pipermail/paraview/2012-February/023816.html) the
> proxy API undergone some changes. But it seems, that the author of this
> post mixed up the parameter order.  He referred to proxy name and proxy
> group. But it has to be swapped...
> * Not important to me but required  to compile without errors:  In
> vtkVRUIPipe.h the flag QTSOCK is checked for existence. I had to put it in
> manually ("#define QTSOCK 1"). Don't know why.
>
> Further modifications was necessary in the the vtkVRStyleTracking in order
> to update the HeadPose. The proxygroup name must be changed to "views". The
> group name "interactorstyles" in the post mentioned above is NOT working,
> otherwise the plugin crash, since no proxy or property can be found and the
> pointer are still NULL after configuration.
>
> But so far, I was able to use the VRPlugin in ParaView in a two-side VE
> and I've got the feeling, that virtual object placed in front of the
> screens... :-)
>
> Now, I have a kind of problem. When I am moving parallel (left to right)
> to the screens, I can observe a sort of rotation which can be not described
> as moving parallax. It seems, that the rotation point lies in the center of
> my projection displays. Object which came out of screen "standing" not on
> the same position. They are flying around. So, my question is addressed to
> experienced Virtual Reality user: Is this described behavior right or not?
>
> Cheers,
> Stephan
>
>
>
>
>
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-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com
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