[vtkusers] [vtk-developers] progressive rendering

[David E DeMarle]

vtkRenderer::EraseOff() and vtkRenderWindow::EraseOff() is what you
are looking for.
They let you render a frame, make some change to the pipeline, and
render again and have the result of both renders composited together.

cheers,
Dave DeMarle


2008/6/25 Kaushik . <shekhar.kaushik at gmail.com>:
> Hi ,
> I am working on a filter that creates its output iteratively.
> I want to render the output after each iteration. It is basically
> a surface growing algorithm , where in each iteration more
> polygons are added to the surface. I would like to show the surface
> growing , instead of having the render the surface once all the polygons
> have been created. How do I achieve it ?
>
> Is it possible with the existing Executive classes  in
> VTK ? I have currently inherited my filter class from
> vtkPolyDataAlgorithm.
>
> --
> shekhar
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