[vtkusers] Assemblies "coming apart " during long test runs....

Richard Frank rickfrank at me.com
Sun Apr 24 13:50:41 EDT 2016


Hmm. We're using top of the line quadro m 5000 cards ( and some geoforce 9xx cards ). Have you done any other tests ( OpenGL logging etc ) to get further information? 

Are you on Windows?

Thanks 

Sent from my iPad

> On Apr 24, 2016, at 1:45 PM, Andras Lasso <lasso at queensu.ca> wrote:
> 
> Yes, we've experienced this, too. Screen flashes and then actors don't move anymore on screen and colors cannot be changed (we change actor properties in VTK but nothing changes on screen). Actors that we add after the flash behave normally. We run the same software on many computers in our lab but the problem only occurs on a few computers and never on others (even when running continuously for several days).
> 
> We suspect it's a video card hardware/driver issue. The "flash" is probably a crash&recovery of the video card driver.
> 
> Andras
> 
> -----Original Message-----
> From: vtkusers [mailto:vtkusers-bounces at vtk.org] On Behalf Of Richard Frank
> Sent: April 24, 2016 1:25 PM
> To: vtkusers at vtk.org
> Subject: [vtkusers] Assemblies "coming apart " during long test runs....
> 
> We are seeing a strange behavior. We have a model of an human internal organ, made up of a series of triangle meshes. The are between four and seven sets of meshes combined into an an assembly. During a long ( multiple hours ) automated test, where a surgical instrument is moved through the scene repeatedly ( Made from implicit function sources and also combined into an assembly) , there is an issue - and the best way for me to describe it is that the assemblies " come apart.  Each actor in the assembly is moved to a deferent place in the scene, as if perhaps they " exploded ". We have videoed this and there seems to be a screen flash before the happens. 
> Things keep going, there's no crashes, etc. 
> 
> Has anyone else experienced this? Does anyone have an insight as to how to track down the problem?
> 
> Thanks 
> 
> Rick
> 
> Sent from my iPad
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