[Paraview] Hardware suggestions for volume rendering

[Aashish Chaudhary]

On Tue, Mar 3, 2015 at 2:43 PM, Kevin Lau <kevin.d.lau at gmail.com> wrote:

> Dear Aashish,
>
> Thank you very much for your reply. The latest work you're doing on volume
> rendering is very impressive.
>

Thanks.

>
> In order to access the latest VTK rendering in ParaView would we have to
> compile both the latest VTK and ParaView from source? Is it possible to
> link ParaView to specific VTK builds?
>

Latest ParaView from source should be fine. Just make sure that you select
VTK_RENDERING_BACKEND to OpenGL2

>
> Also do you know if it is preferential to have a single GPU (i.e. a
> workstation graphics card) or multiple GPU (i.e. gaming graphics card) when
> using ParaView?
>

If I remember correctly, we don't explicitly assign tasks to GPU in
ParaView if running a single process. You can find more information here:
http://www.paraview.org/Wiki/Setting_up_a_ParaView_Server#Multiple_GPUs_Per_Node

Hope it helps.

>
> Many thanks,
>
> Kevin
>
>
> On 27 February 2015 at 08:15, Aashish Chaudhary <
> aashish.chaudhary at kitware.com> wrote:
>
>> Dear Kevin,
>>
>> First, I would like to mention that we have been working hard to improve
>> rendering in VTK that includes volume rendering as well. You may want to
>> read this source article: http://www.kitware.com/source/home/post/154.
>> Most of the changes related to this work is now available in VTK github
>> repository in master branch. If you are targetting current VTK, I would
>> suggest that any card that can support OpenGL2.1 or higher would be great.
>> The higher the GPU memory the better. While these newer card will work with
>> the previous version of volume rendering, it may not scale very well (in
>> our testing that's what we have observed). Current the default in ParaView
>> is OpenGL Volume Rendering but that is going to change sometime soon and
>> once that happens you will have OpenGL2 backend for everything.
>>
>> Hope this helps.
>> - Aashish
>>
>>
>>
>> On Thu, Feb 26, 2015 at 5:41 PM, Kevin Lau <kevin.d.lau at gmail.com> wrote:
>>
>>> Hi,
>>>
>>> I'm looking to putting together a workstation to perform realtime volume
>>> rendering of our simulation data.
>>>
>>> Are there any particular GPU features I should look for?
>>>
>>> If there are multiple GPUs will Paraview be able to take advantage of
>>> each GPU for volume rendering?
>>>
>>> Many thanks
>>>
>>> Kevin
>>>
>>>
>>>
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>>
>>
>> --
>>
>>
>>
>> *| Aashish Chaudhary | Technical Leader         | Kitware Inc.
>> *
>> *| http://www.kitware.com/company/team/chaudhary.html
>> <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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