[vtkusers] Smart volumetric rendering like Paraview

[Robin Picou]

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
> >
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