[vtkusers] Why does vtkRenderWindow refresh so slowly?

stefano mininel mininel.ml at gnbts.univ.trieste.it
Thu Feb 6 04:20:06 EST 2003


At first thought I'd say the raycast should be be slowest. You can see this immediately by
removing its actor and trying the new speed. Then do the same with the other actors to see what
their influence is upon speed.

    Stefano

Chunyan Jiang wrote:

> Dear vtk-users,
> I use vtkRenderWindow to render three vtkRenderer. When I refresh the
> vtkRenderWindow by vtkRenderWindow->Render(), it is very slow. How can I
> speed it up? I don't know if my data is too big or there are some other
> reasons. There are three data sets rendered in vtkRenderWindow. They are:
> 256*256*50 rendered as raycast; 145*55*50 rendered as data set; one 3ds
> object 561K.
> Any hint is great appreciated!
>
> Chunyan
>
> ***********************************************************************
> Chunyan Jiang, Dipl.-Inform.,
> Institut for Telematic
> Bahnhofstrasse 30-32, D-54292 Trier, Germany
> Phone: (+49) (0)651-97551-34
> Fax: (+49) (0)651-97551-12
> ***********************************************************************
>
> _______________________________________________
> This is the private VTK discussion list.
> Please keep messages on-topic. Check the FAQ at: <http://public.kitware.com/cgi-bin/vtkfaq>
> Follow this link to subscribe/unsubscribe:
> http://public.kitware.com/mailman/listinfo/vtkusers




More information about the vtkusers mailing list