[vtkusers] How to capture images from ONLY the RenderWindow?

[Clinton Stimpson]

Have you tried?

  vtkWindowToImageFilter* wintoimage = vtkWindowToImageFilter::New();
  wintoimage->ReadFrontBufferOff();

Clint


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>Message: 2
>Date: Wed, 27 Oct 2004 13:35:53 -0400
>From: "Jared Cohen" <Jared.Cohen at noaa.gov>
>Subject: [vtkusers] How to capture images from ONLY the RenderWindow?
>To: vtkusers at vtk.org
>Message-ID: <417FDC79.1000301 at noaa.gov>
>Content-Type: text/plain; charset="us-ascii"
>
>  Hi all. I'm part of a team that's building a large, multi-window GUI; 
>one of the windows contains the VTK RenderWindow. We implemented a 
>function to save the scene as a PNG, but there's a problem: if any of 
>the other windows are in the way of the RenderWindow, they get 
>incorporated into the resulting PNG snapshot! What I want to do is take 
>a snapshot of ONLY the contents of the RenderWindow, regardless of 
>whether or not there are other windows in front of the RenderWindow. Is 
>there a way to do this?
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