On 05/12/2015 09:58 PM, u.utku.turunco...@be.itu.edu.tr wrote:
Okay. That makes sense because i have a Threshold filter in my
visualisation pipeline. If i use wavelet source then i could see the
"Volume Rendering Mode" and it is set as "Smart". So, using Threshold
filter might also reduce the performance of the volume rendering. Right?
Yes, the performance is severely impaired when you apply the threshold
filer to a structured dataset, since it produces an unstructured dataset.
To my understand you don't get a true volume rendering for unstructured
dataset, but maybe somebody who knows more about the details can comment
on this.
However, since you have already a structured dataset to begin with, you
should be able to get a decent performance. As I said, I can render a
64M structured dataset (i.e. a 400x400x400 wavelet source) instantly on
my laptop. So your 8M dataset should be no problem, just don't use the
threshold filter.
If you want to work only on a subset of your dataset, you can use the
"Extract Subset" filter, which outputs a structured dataset again.
Otherwise you can achieve similar effects as with the threshold filter
by adjusting the transfer function/color scale for the volume rendering.
-Armin
Can you post the output of the following commands:
1) paraview --version
2) glxinfo | grep OpenGL
Concerning different dataset types and volume rendering:
Are you sure that your dataset is recognized by ParaView as a structured
dataset? For instance, some simulation software packages produce always
unstructured dataset (e.g. OpenFOAM), even if you setup a completely
uniform grid.
Also some filter in ParaView produce unstructured grids (e.g. threshold
filter) no matter what the input type is.
The grid type is easy to check from the Information panel in ParaView.
-Armin
On 05/12/2015 05:24 PM, Utkarsh Ayachit wrote:
That's weird. What version of ParaView are you using on your Debian 8?
On Tue, May 12, 2015 at 6:49 AM, Ufuk Utku Turuncoglu (BE)
<u.utku.turunco...@be.itu.edu.tr> wrote:
Hi,
I checked "Volume Rendering Mode" but i could not see it in my case. It
is
exist in my local laptop (Mac OS) but it is not in ParaView installed
under
Debian 8.0. I think that after selecting representation type to Volume,
it
must show up in the Properties menu. Right?
--ufuk
On 11/05/15 17:47, Utkarsh Ayachit wrote:
Is out of box ParaView binary
could use full capability of hardware or not?
ParaVIew binaries don't ship with any OpenGL implementation. It uses
whatever OpenGL drivers setup on the machine it's being run. So long
as your environment is setup properly, ParaView will indeed use the
hardware available. However, not all rendering techniques in ParaView
will use the graphics card -- as Armin alluded to. Your dataset seems
like small enough that volume rendering should be pretty
instantaneous. What is the "Volume Rendering Mode" on the Properties
panel set to? It should be "Smart" by default -- that will ensure that
the graphics card is used, if possible.
Utkarsh
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