[Paraview] Viewing volumetric images

[Karl Battams]

Agreed. I don't have the effects enabled. I should also add that this
feature was new to the 3.10 release for me, too. It used to work.

However... (and maybe this is a newbie mistake on my part?)... the problem
goes away completely if I change the "Volume mapper" to "GPU" instead of
"Fixed Point". That solves it for me!

Out of interest (and not to hijack this thread), what are those two options
for? What difference do they make (aside from fixing this problem)?

Thanks,
Karl

On Wed, Feb 23, 2011 at 3:12 PM, Panagiotis Foteinos <pafotein at gmail.com>wrote:

> Nope,
> disabling the visual effects did not solve the problem.
>
> PF
>
>
> On Wed, Feb 23, 2011 at 2:51 PM, Utkarsh Ayachit <
> utkarsh.ayachit at kitware.com> wrote:
>
>> Does this have anything to do with the fancy "effects" that Ubuntu
>> has? Does disabling them make this any better?
>>
>> Paraview developers with Ubuntu desktops may want to comment.
>>
>> Utkarsh
>>
>> On Wed, Feb 23, 2011 at 1:59 PM, Panagiotis Foteinos <pafotein at gmail.com>
>> wrote:
>> > OpenGL is up to date and works fine in my machine. Direct rendering is
>> on.
>> >
>> > I repeat that Paraview 3.8.1 works like a charm; Version 3.10.0 has this
>> > problem.
>> >
>> > Regards,
>> > Panagiotis Foteinos
>> >
>> > On Wed, Feb 23, 2011 at 1:33 PM, Karl Battams <karlbattams at gmail.com>
>> wrote:
>> >>
>> >> OpenGL is indeed up-to-date and working, though I do notice that direct
>> >> rendering is not. It should be for some of the other stuff I do, but I
>> don't
>> >> know if Paraview will rely on it or not (?). So I'll try a reboot when
>> I get
>> >> chance and see if that resolves it, but I'm sure that it (direct
>> rendering)
>> >> was working last week and the Paraview thing was not...
>> >> Karl
>> >>
>> >> On Wed, Feb 23, 2011 at 12:57 PM, Utkarsh Ayachit
>> >> <utkarsh.ayachit at kitware.com> wrote:
>> >>>
>> >>> That's very odd. Any issues with OpenGL drivers? Are they all
>> >>> up-to-date, working correctly?
>> >>>
>> >>> Utkarsh
>> >>>
>> >>> On Wed, Feb 23, 2011 at 10:06 AM, Karl Battams <karlbattams at gmail.com
>> >
>> >>> wrote:
>> >>> > I see this too. I compiled 3.10.0 from source on Ubuntu. I'm loading
>> >>> > vtk
>> >>> > files and volume rendering, and any action on the view causes the
>> >>> > rendering
>> >>> > to disappear... and it's kinda hard to get it back. Other views
>> >>> > (outline,
>> >>> > etc) do not seem to be affected.
>> >>> > Karl
>> >>> >
>> >>> > On Tue, Feb 22, 2011 at 5:22 PM, Panagiotis Foteinos
>> >>> > <pafotein at gmail.com>
>> >>> > wrote:
>> >>> >>
>> >>> >> Hello.
>> >>> >>
>> >>> >> I switched to version 3.10.0 and observed that viewing volumetric
>> >>> >> images
>> >>> >> is buggy.
>> >>> >>
>> >>> >> When I open a .mha file and choose Volume as a view option (instead
>> of
>> >>> >> Outline) I correctly see the result. Rotating or zooming  the
>> volume,
>> >>> >> however, causes the volume to disappear from the window.
>> >>> >>
>> >>> >> I did not observe that behavior for version 3.8.1.
>> >>> >>
>> >>> >> I am using Ubuntu with paraview binaries.
>> >>> >>
>> >>> >> Regards,
>> >>> >> Panagiotis Foteinos
>> >>> >>
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