[vtk-developers] Fixed point volume ray cast bug

[Bill Lorensen]

Correct.



On Wed, Aug 7, 2013 at 1:33 PM, Geach, James <j.geach at herts.ac.uk> wrote:

>
> Ok, thanks - so it still only works reliably for # threads = 1.
>
> On 2013-08-07, at 6:12 PM, Bill Lorensen wrote:
>
> > The developers of the FixedPointVolumeRayCastMapper were make it work
> reliably and repeatable. Use # of threads > 1 at your own risk. That is the
> purpose of the warning.
> >
> >
> >
> >
> > On Wed, Aug 7, 2013 at 10:22 AM, Geach, James <j.geach at herts.ac.uk>
> wrote:
> >
> > Dear list  -
> >
> > I submitted a bug report a while back about incorrect functionality in
> vtkFixedPointVolumeRayCastMapper when using >1 thread (
> http://www.vtk.org/Bug/view.php?id=13420)
> >
> > The issue is now closed with resolution 'fixed' in version 6.0.0. I have
> just installed version 6.0.0, and call the above function with threads=64.
> However I get the warning
> >
> > vtkFixedPointVolumeRayCastMapper (0x7ffdbe352010): Number of threads 64
> is  > 1. This class does not produce repeatable results when the number of
> threads exceeds 1.
> >
> > Is this an incorrect warning and the functionality is really fixed, or
> does the problem still remain? The images I'm producing look ok, but this
> issue affects different renderings in different ways, and so isn't always
> immediately obvious.
> >
> > Thanks, Jim
> >
> >
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> > --
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>
>


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