[Paraview-developers] Paraview 3.98 Heatracking problem

[Aashish Chaudhary]

On Sun, Jan 13, 2013 at 8:23 PM, Aashish Chaudhary <
aashish.chaudhary at kitware.com> wrote:

> Hi,
>
> So this is not right:
>
> <VRInteractorStyles>
>     <Style class="vtkVRTrackStyle" proxy="2128"
> property="EyeTransformMatrix">
>       <Tracker name="Wtrack.sensor"/>
>     </Style>
>     <Style class="vtkVRTrackStyle" proxy="2128" property="CameraPosition">
>       <Tracker name="Wtrack.sensor"/>
>     </Style>
>   </VRInteractorStyles>
>
>
> You are trying to move both the eye and the camera? The PVX files looks
> alright. On your other point, when you move the eye (a point in space) the
> rotation will not have any effect (rotation of a point?) .  But when you
> tilt your head towards left (lets say 90 degree rotation) you images (from
> two viewpoints) should be on top of each other.
>
> Now Can you also tell me your objects center and size? One thing you may
> want to do is multiply your transform by 10.0 just to verify if it makes
> any changes to your experience.
>
>
> Thanks,
>
>
> On Sat, Jan 12, 2013 at 12:08 PM, Emiliano Pastorelli <
> emiliano.pastorelli at gmail.com> wrote:
>
>>  Hi Aashish,
>>
>> after some thinking (being my first system shaped this way i'm having to
>> get aquainted to the concepts still), I realized that ok, the point at
>> which the view is aiming doesn't have to move indeed, and that the all
>> problem seems to be due to the position of the object in the screens.
>>
>> I hope you can figure out what i did wrong in the config file (i bet the
>> problem is there somehow).
>>
>> Best,
>> H
>>
>> Il 11/01/13 20:27, Aashish Chaudhary ha scritto:
>>
>>    Hi Aashish,
>>>
>>> I'm using ParaView3.98 RC1 and the in the vrpn server i converted the
>>> units in meters as for the vrpn standard, so i guess they should somehow be
>>> the right ones.
>>> Tomorrow from the office I can send you the PVX and the state files, now
>>> I don't have them available.
>>>
>>
>>  Would it be possible to use / build the ParaView from the master
>> branch. We have couple of nice features there and made some improvements in
>> the code.
>>
>>
>>>  My feeling while testing on the test-system is that the headtracking
>>> lets me change the position of the head a bit around the object, but that I
>>> don't achieve a full movement. So for example, if i stand in front of the
>>> receiver and then i move on top of it (towards -Z), i don't see the object
>>> from above (or in the table-screen as i would expect), but i see a
>>> upper-front perspective only, like if the transform matrix of the view cone
>>> was changed, but somehow not the position of the user.
>>>
>>
>>  If you move your head on the top of object you should see the top view
>> of the object. Now if your object is in the front of the projected plane,
>> then you should be able to move even inside it. If it is on the back of the
>> projected plane, then it won't.
>>
>>>
>>> It might be just a wrong feeling given by the small system or maybe the
>>> positioning of the object, but at least this far it doesn't give at all the
>>> proper immersive feeling.
>>>
>>
>>  It depends on the size of the object and its location. Only after
>> looking at your state file and PVX file I can give a precise answer.
>>
>>
>>>
>>> As a side question still related to my system, i noticed the anaglyph
>>> stereo goes completely wrong in the screens, while it is correct (and
>>> completely different) in the control display, any suggestion on that? (soon
>>> i'll have to switch to paired projectors and passive stereo, so i would
>>> like to avoid the same problem there).
>>>
>>
>>  Hmm..I am aware of this bug.
>>
>>
>>>
>>> Btw, tomorrow I'll send you the files and a sample of the data I get
>>> from the tracker.
>>> Thanks again for your time!
>>>
>>
>>  Sure that would be awesome.
>>
>>>
>>> Best,
>>>
>>> H
>>>
>>>
>>>
>>>
>>>>
>>>> Any help would be welcome,
>>>> Best
>>>> H
>>>>
>>>>
>>>>
>>>> --
>>>> View this message in context:
>>>> http://the-unofficial-paraview-developers-forum.34153.n6.nabble.com/Paraview-3-98-Heatracking-problem-tp1998.html
>>>> Sent from the The Unofficial ParaView Developers Forum mailing list
>>>> archive at Nabble.com.
>>>> _______________________________________________
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>>>> Paraview-developers at paraview.org
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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
>



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