[vtkusers] Bug in vtkRenderWindow

[Patrick Lowry]

At 11:21 AM 6/15/2000 -0400, you wrote:
>There seems to be a bug in vtkRenderWindow::WritePPMImageFile (vtk 3.1.1 / 
>Win-NT sp4)
>
>vtkRenderWindow::WritePPMImageFile - saves a ppm image of the renderWindow 
>if the window is on top but, if the window is partially or totally obscured 
>you get a ppm of whatever screen graphics are within the boundaries of the 
>render window - this could be windows from other apps, menu bars - whatever 
>is in the client area of the renderWindow.  It's kind of cool - like a 
>handy screen capture utility.
>
>-Erik

Erik:

This also happens when using vtkRenderLargeImage.  If you decide to start
working on 
something else while the large image is being paneled and a window overlap
the render
window, you will get that portion of the top window that overlaps, in the
output file.

Patrick Lowry