[vtkusers] vtkLODActor

Kevin Wright Kevin.Wright at ansys.com
Fri Aug 8 09:05:21 EDT 2003


> Hello,
> 	I am using vtkLOD actor and I have defined an LOD(by 
> addLODMapper which
> takes output from vtkDecimatePro) . I have noticed that there 
> is a delay of
> 3 to 4 second when I try to move it for the first time after 
> it has been
> loaded. Then onwards the object moves/rotates normally. This 
> happens in
> Paraview(version .6) as well if I change the LOD threshold 
> and try to move
> the object.(I am talking about reasonably large datasets 15 
> MB binary stl
> file) . Is there any workaround for this problem?

I expect that the first time you rotate it, its building the
decimated pipeline, which would include doing the decimation
itself.  If you wanted to avoid that, just force the decimation
filter to build manually before-hand, and I would think that
would do it.

Kevin.



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