[vtkusers] GUI resources access slowed down while using vtk

[Jeff Lee]

Bogdan Munteanu wrote:

>Hi,
>
>I am using vtk 4.2 in a C++ environment. The application I am working on
>is an MDI-based program running on Windows XP with Service Pack 2 installed.
>
>The hardware is decently good (1.5G of RAM, 128M video RAM, 1.7GHz
>Centrino).
>
>My MDI contains several views, one of which is based on the examples coming
>with VTK.
>
>Now comes the bad part: from time to time when the VTK view is brought up,
>the system slows down significantly.
>
>This is not due to the visualization pipeline ( I am rendering under 10
>cubes, and the memory
>consumption is under 200M for my application at that moment).
>
>Moreover, the task manager doesn't show anything out of ordinary neither in
>terms of CPU usage (under 6%!) nor of page faults.
>  
>
what about number of gdi objects?  does it increase as you interact with 
the scene?
-J

>Refreshing the other applications (.NET Studio, task manager) takes a lot
>and one can see (literally) how the widgets of the other applications and
>the icons on the desktop are refreshed one by one.
>
>This situation continues even if I break my application in the debugger
>(i.e., MY APPLICATION DOESN'T RUN). It looks like the access to the system's
>GUI resources is being slowed down.
>
>However, if I shut down the view, everything returns to normal.
>
>Has anyone experienced anything similar?
>
>I browsed the mailing list archive and the bug tracker: the only thing I
>found was reported under the BUG #130.
>However, even if the issue dealt with GUI resources, that case seemed to be
>a combination of JVM and
>VTK - Java wrappers, so it didn't help me much.
>
>I really appreciate any help,
>
>Cheers,
>Bogdan
>
>
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>  
>