[vtkusers] vtkVolumeTextureMapper3D in VTK 7.1?

[Alvaro Sanchez]

Here is the merge request:

https://gitlab.kitware.com/vtk/vtk/merge_requests/2641

On Wed, Mar 8, 2017 at 11:08 AM, Alvaro Sanchez <alvaro.sanchez at kitware.com>
wrote:

> Thanks for the interest. There is no branch yet but I will ping you once
> you can try it out.
>
> > Also in that case would it be possible to add a final "gaussian smoothing
> > pass" or equivalent only on the 2D generated image (maybe only as an
> option)
>
> The first version will most likely only support linear interpolation, but
> will keep this in mind.
>
>
> On Wed, Mar 8, 2017 at 8:04 AM, Elvis Stansvik <
> elvis.stansvik at orexplore.com> wrote:
>
>> 2017-03-08 11:16 GMT+01:00 Simon ESNEAULT <simon.esneault at gmail.com>:
>> > Hello Alvaro,
>> >
>> > That's real good news to hear (about the down-sampling in X and Y), I
>> find
>> > it really difficult to tweak volume rendering only with sample distance,
>> > especially during interaction.
>> > Has the development began already ? Is there some branche where we can
>> test
>> > that feature ?
>> >
>> > Also in that case would it be possible to add a final "gaussian
>> smoothing
>> > pass" or equivalent only on the 2D generated image (maybe only as an
>> option)
>> > ? I look like it is the case with FixedPointVolumeraycastMapper, the
>> image
>> > looks a bit blurred but sometimes it helps to see the structures
>>
>> I'm also very interested in this. I'm using vtkGPUVolumeRayCastMapper,
>> and I'm currently turning off the automatic adjustment of sample
>> distance during interaction and resorted to doing my own simpler
>> adjustment. I'm simply quadrupling the sample distance during
>> interaction (for still rendering I use
>> (spacingX+spacingY+spacingZ)/6). I'd love to have another quality
>> controlling knob to turn.
>>
>> Is there a MR up for it already? Will it be in 7.2?
>>
>> Elvis
>>
>> >
>> > Thanks
>> > Simon
>> >
>> >
>> > 2017-03-06 18:17 GMT+01:00 Alvaro Sanchez <alvaro.sanchez at kitware.com>:
>> >>
>> >> Hi Shark,
>> >>
>> >> unfortunately there is no current plan of porting
>> vtkVolumeTextureMapper3D
>> >> to OpenGL2
>> >> , as far as I know.  We will soon however support image down sampling
>> in X
>> >> and Y which
>> >> should serve as additional knobs to tweak the performance of
>> >> GPURayCastMapper in
>> >> OpenGL2 (only sample distance can be currently adjusted).
>> >>
>> >> Could you provide more detail on the size of the dataset you are
>> rendering
>> >> and your GPU
>> >> specs?
>> >>
>> >> Thanks,
>> >> Álvaro
>> >>
>> >> On Mon, Mar 6, 2017 at 10:30 AM, Shark <m.nunes at fratoria.com> wrote:
>> >>>
>> >>> Hello,
>> >>>
>> >>> I have been having some issues with vtkVolumeTextureMapper3D. I see it
>> >>> has
>> >>> been deprecated, however it is still available if I use the old
>> openGL.
>> >>>
>> >>> Since for software rendering with texture mapping is much faster than
>> ray
>> >>> casting, I would like to know if you are planning to have a Volume
>> >>> Texture
>> >>> Mapper for openGL 2, or if there is actually a new one that I am not
>> able
>> >>> to
>> >>> find.
>> >>>
>> >>> Best regards,
>> >>> Shark
>> >>>
>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> View this message in context:
>> >>> http://vtk.1045678.n5.nabble.com/vtkVolumeTextureMapper3D-in
>> -VTK-7-1-tp5742368.html
>> >>> Sent from the VTK - Users mailing list archive at Nabble.com.
>> >>> _______________________________________________
>> >>> Powered by www.kitware.com
>> >>>
>> >>> Visit other Kitware open-source projects at
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>> >>>
>> >>> Please keep messages on-topic and check the VTK FAQ at:
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>> >>
>> >>
>> >>
>> >>
>> >> --
>> >> Alvaro Sanchez
>> >> Kitware, Inc.
>> >> Senior R&D Engineer
>> >> 21 Corporate Drive
>> >> Clifton Park, NY 12065-8662
>> >> Phone: 518-881-4901
>> >>
>> >> _______________________________________________
>> >> Powered by www.kitware.com
>> >>
>> >> Visit other Kitware open-source projects at
>> >> http://www.kitware.com/opensource/opensource.html
>> >>
>> >> Please keep messages on-topic and check the VTK FAQ at:
>> >> http://www.vtk.org/Wiki/VTK_FAQ
>> >>
>> >> Search the list archives at: http://markmail.org/search/?q=vtkusers
>> >>
>> >> Follow this link to subscribe/unsubscribe:
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>> >>
>> >
>> >
>> >
>> > --
>> > ------------------------------------------------------------------
>> > Simon Esneault
>> > Rennes, France
>> > ------------------------------------------------------------------
>> >
>> > _______________________________________________
>> > Powered by www.kitware.com
>> >
>> > Visit other Kitware open-source projects at
>> > http://www.kitware.com/opensource/opensource.html
>> >
>> > Please keep messages on-topic and check the VTK FAQ at:
>> > http://www.vtk.org/Wiki/VTK_FAQ
>> >
>> > Search the list archives at: http://markmail.org/search/?q=vtkusers
>> >
>> > Follow this link to subscribe/unsubscribe:
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>> >
>>
>
>
>
> --
> Alvaro Sanchez
> Kitware, Inc.
> Senior R&D Engineer
> 21 Corporate Drive
> Clifton Park, NY 12065-8662
> Phone: 518-881-4901 <(518)%20881-4901>
>



-- 
Alvaro Sanchez
Kitware, Inc.
Senior R&D Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4901
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