[Paraview] Volume rendering rectilinear data

[David E DeMarle]

Not that I know of.

We are more likely to make the conversion to image based volume rendering
automatic, faster and more precise.


David E DeMarle
Kitware, Inc.
Principal Engineer
21 Corporate Drive
Clifton Park, NY 12065-8662
Phone: 518-881-4909

On Fri, Apr 27, 2018 at 12:23 PM, Weiguang Guan <guanw at rhpcs.mcmaster.ca>
wrote:

> Hi David,
>
> Thanks for confirming it. Does Kitware have a plan to implement volume
> rendering for rectilinear volume? You see the spectrum from vtkImageData,
> to vtkRectilinearGrid, vtkStructuredGrid --- volume rendering is
> implemented on both ends but not for the middle one, which is a bit odd to
> the user.
>
> Best,
> Weiguang
>
>
>
> On 4/27/2018 12:06 PM, David E DeMarle wrote:
>
> You are correct it will not directly volume render vtkRectilinearGrids.
>
> Use threshold filter (all values) to map to a vtkUnstructuredGrid for
> direct rendering but at a cost of memory explosion.
> Apply the resample to image filter to map to vtkImageData for fast volume
> rendering, but at a cost of trading off precision for memory size.
>
>
> David E DeMarle
> Kitware, Inc.
> Principal Engineer
> 21 Corporate Drive
> <https://maps.google.com/?q=21+Corporate+Drive+%0D%0A++++++++++++++++++++Clifton+Park,+NY+12065&entry=gmail&source=g>
> Clifton Park, NY 12065-8662
> Phone: 518-881-4909
>
> On Fri, Apr 27, 2018 at 11:13 AM, Weiguang Guan <guanw at rhpcs.mcmaster.ca>
> wrote:
>
>> I didn't a test and I'm surprised that Paraview cannot do volume
>> rendering on rectilinear data. Can someone confirm it or I made a mistake?
>>
>> Cheers,
>> Weiguang
>>
>> --
>> --
>> Weiguang Guan
>> Research Scientist
>> RHPCS, McMaster University
>> Phone: 905-525-9140 x22540
>>
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>
>
> --
> --
> Weiguang Guan
> Research Scientist
> RHPCS, McMaster University
> Phone: 905-525-9140 x22540
>
>
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