[vtkusers] Changes from VTK 4.4 to 5.4?

[Michael Jackson]

If you can get your hands on a profiler, run your app through the  
profiler and see where all the time is being spent.

_________________________________________________________
Mike Jackson                  mike.jackson at bluequartz.net
BlueQuartz Software                    www.bluequartz.net
Principal Software Engineer                  Dayton, Ohio

On Nov 5, 2009, at 8:07 AM, Affolter Martin wrote:

> Hello VTKUsers
>
> I'm still struggling with the performance drop from VTK 4.4 to VTK  
> 5.4. We use VTK to visualize CAD-Models with thousands of actors  
> (each vertex, face or edge is represented by its own actor). The  
> rendering with 5.4 is too slow, so I am not able to switch to the  
> newest version, even though I'd very much like to.
>
> I have not gotten a lot of feedback on my last two e-mails, so I  
> still don't know what causes the slowdown. Does anyone of you have  
> information on what actually changed from 4.4 to 5.4 in terms of  
> visualization pipeline and rendering? Is there any documentation on  
> changes in the architecture?
>
> I am willing to give you more information on how we use vtk in our  
> application if necessary.
>
> Martin
>
> PS: We work with Visual Studio 2005/2008.
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