[vtkusers] vtk question: Image buffer

[Hoang Hoang]

hi, I am trying to capture 2D images of an object from several viewpoints.
As far as I know those images do not exist until we render the viewing
window .So far I 've done this by render the window while rorating the
camera, it works but not so fast. Before it is displayed onto our screen ,
is there anyway to get to the image? I tried the OffScreenRendering with
Mesa, but it turned out to be much slower than the traditional way.
 thank you verymuch for reading
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