[slicer-users] NCI GPU Ray Casting

Max Williams mawillia at hamilton.edu
Thu Jul 22 17:57:49 EDT 2010


Yanling,

The Quadro FX 5800 has 4 GB memory, which is the largest option in the
VolumeRendering module. Also tried rendering w/ the memory set to 3.0 GB
just for the heck of it and got an identical error in the 3.6 Log Viewer

- Max

On Thu, Jul 22, 2010 at 2:40 PM, Yanling Liu <vrnova at gmail.com> wrote:

> Just checked both the latest 3.6 and trunk version and found on problem on
> my machine (Ubuntu 9.10, Quadro FX 3700M). I am able to render a 512x512x738
> CT volume using NCI GPU RayCasting.
>
> Could you please make sure you specified valid GPU memory size in Render
> panel in VolumeRendering module?
>
> Yanling
>
> On Thu, Jul 22, 2010 at 5:23 PM, Max Williams <mawillia at hamilton.edu>wrote:
>
>> Hi all,
>>
>> Just installed a NVIDIA Quadro FX 5800 and wanted to try the NCI GPU Ray
>> Casting Rendering Method in the VolumeRendering module. However, as soon as
>> I select that rendering method I get the following error
>>
>>
>> ERROR: In ..\KWWidgets\vtkKWApplication.cxx, line 1301
>> vtkSlicerApplication (05785A50): TclTk error: Uncaught exception: bad
>> allocation
>>
>> Uncaught exception: bad allocation
>>
>>     while executing
>> "vtkTemp767 Render"
>>     ("after" script)
>>
>>
>> Any ideas? Just updated the driver, VTK OpenGL 3D Texture Mapping
>> rendering method works fine, have tried restarting multiple times. Also,
>> after this error I have to restart 3D Slicer as I can select other rendering
>> methods but they don't actually execute/ I cannot alter the rendering.
>>
>> - Max
>>
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>
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