[vtkusers] Can't transform a vtkVolume

[Aashish Chaudhary]

If you are using 6.3 mostly likely you are using OpenGL1 backend. CHeck
for VTK_RENDERING_BACKEND in CMakeCache.txt or in ccmake when you build
VTK.

Is there a possiblity for you to switch to OpenGL2 if not already?

thanks,


On Wed, Mar 9, 2016 at 11:31 AM, Lorenzo Valente <oneiros.valente at gmail.com>
wrote:

> Hi Aashish,
>
> I'm using VTK 6.3 and OpenGL2 (i'm not 100% sure about OpenGL version...
> how can I test it?)
>
>
>
> *L O R E N Z O   V A L E N T E*
> COMPUTER SCIENTIST
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> oneiros.valente at gmail.com
>
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>
> 2016-03-09 17:27 GMT+01:00 Aashish Chaudhary <
> aashish.chaudhary at kitware.com>:
>
>> Hi Lorenzo,
>>
>> what backend you are using OpenGL1 or OPenGL2? Also what version of VTK
>> it is?
>>
>> Thanks,
>>
>>
>> On Wed, Mar 9, 2016 at 11:18 AM, Lorenzo <oneiros.valente at gmail.com>
>> wrote:
>> > Hello everyone
>> >
>> > I'm having a strange problem related to VTK volume rendering: I can't
>> apply
>> > a simple transform (a translation) to volumes. I'm using the
>> > "SetUserTransform()" function that vtkVolume inherit from vtkProp3D, a
>> > method that works like a charm on vtkActors. I also tried
>> "SetUserMatrix()"
>> > and simple "SetPosition()" but nothing.
>> >
>> > Here's my code: http://pastebin.com/7MnTCHHN
>> > And here's the output: http://i.imgur.com/feCyaIL.png
>> >
>> > As you can see, I generated two cube volumes (one red and one blue) and
>> two
>> > cone actors (one red and one blue). I then apply the same transform on
>> both
>> > blue props but only the cone actually translates (that's why you see a
>> > purple volume, the two cubes are in the same position).
>> >
>> > How is this possible?
>> >
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>>
>> --
>> | Aashish Chaudhary
>> | Technical Leader
>> | Kitware Inc.
>> | http://www.kitware.com/company/team/chaudhary.html
>>
>
>


-- 



*| Aashish Chaudhary | Technical Leader         | Kitware Inc.            *
*| http://www.kitware.com/company/team/chaudhary.html
<http://www.kitware.com/company/team/chaudhary.html>*
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