[vtkusers] Smart volumetric rendering like Paraview

[Aashish Chaudhary]

Got it.

On Thu, Sep 25, 2014 at 10:40 AM, Robin Picou <robin.picou at audiogaming.net>
wrote:

> Hi Aashish,
>
> Here's a link with the source file and some .vtk files to test (two
> smalls, and a big one, the one I need to load and visualize : volume.vtk) :
> http://www34.zippyshare.com/v/60134475/file.html
> I'm using VTK 6.1 on Windows 7 64 bits with Visual Studio 2010.
>
> 2014-09-25 14:34 GMT+02:00 Aashish Chaudhary <
> aashish.chaudhary at kitware.com>:
>
>> Hi Robin,
>>
>> If you can reproduce this behavior with a small example code and post it
>> somewhere, then can probably guide you better. But it seems that you are
>> running into some sort of loop may be? What OS and VTK version is this?
>>
>> Thanks
>>
>>
>> On Thu, Sep 25, 2014 at 5:20 AM, Robin Picou <robin.picou at audiogaming.net
>> > wrote:
>>
>>> Ok, I've just rebuilt VTK and the examples in 64 bits. No more crash,
>>> but the process takes 1.8 gb in RAM then freeze. I don't get why a 35mo
>>> file (the smaller I have) will take 1.8 gb after reading, especially while
>>> Paraview only needs something like 150 mb : / .
>>>
>>> 2014-09-24 20:27 GMT+02:00 Robert Maynard <robert.maynard at kitware.com>:
>>>
>>>> Have you tried compiling VTK as 64bit? This looks like you have ran
>>>> out of process memory for a 32bit program.
>>>>
>>>> On Wed, Sep 24, 2014 at 12:25 PM, Robin Picou
>>>> <robin.picou at audiogaming.net> wrote:
>>>> > Hi there !
>>>> >
>>>> > I'm new to the VTK world, and I'm a bit lost at the moment.
>>>> > I need to get a volumetric rendering of .vtk files (structured
>>>> points), like
>>>> > in Paraview ( see example here : http://imgur.com/qAKvynv ).
>>>> >
>>>> > The HAVSVVolumeMapper example seems to do something very similar, but
>>>> I'm
>>>> > unable to load my files :
>>>> >
>>>> > ERROR: In c:\vtk\vtk-6.1.0\common\core\vtkDataArrayTemplate.txx, line
>>>> 314
>>>> > vtkIdTypeArray (029CCDC0): Unable to allocate 145475925 elements of
>>>> size 4
>>>> > bytes.
>>>> >
>>>> > ERROR: In c:\vtk\vtk-6.1.0\common\core\vtkDataArrayTemplate.txx, line
>>>> 314
>>>> > vtkIdTypeArray (029CB710): Unable to allocate 72737961 elements of
>>>> size 4
>>>> > bytes.
>>>> >
>>>> > My files are quite big (50-60 mo, almost 20 million points), but in
>>>> Paraview
>>>> > it's loaded without any issues and the visualization is fast enough
>>>> for my
>>>> > needs.
>>>> >
>>>> >
>>>> > The SmarlVolumeMapper example seems to be able to do this kind of
>>>> rendering,
>>>> > but I don't know how to use it with .vtk files, so if someone has
>>>> some hints
>>>> > on how to achieve this, I'll be deeply grateful !
>>>> >
>>>> >
>>>> > Thanks in advance,
>>>> > Robin
>>>> >
>>>> > _______________________________________________
>>>> > 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
>>>> >
>>>> > Follow this link to subscribe/unsubscribe:
>>>> > http://public.kitware.com/mailman/listinfo/vtkusers
>>>> >
>>>>
>>>
>>>
>>> _______________________________________________
>>> 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
>>>
>>> Follow this link to subscribe/unsubscribe:
>>> http://public.kitware.com/mailman/listinfo/vtkusers
>>>
>>>
>>
>>
>> --
>>
>>
>>
>> *| 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>*
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://public.kitware.com/pipermail/vtkusers/attachments/20140925/6cccc729/attachment-0001.html>