Hi Bob,

This submission looks like you aren't aware of the DisplaySettings
command line parsing that is done in the
osgViewer::Viewer(ArgumentParser&) constructor.  To get the command
line docs on this simple do:

   osgviewer --help | grep stencil

And you'll see:

  --stencil                                  Request a stencil buffer visual

This hints to the Viewer to create a frame buffer with a stencil
buffer.   You also note that the osg::Camera has a range of stencil
buffer clear methods, so using a ClearNode is not required - you can
simple set what is required via the viewers Camera(s).

Robert.

On Mon, Aug 18, 2008 at 3:26 PM, Bob Kuehne <[EMAIL PROTECTED]> wrote:
> added option to enable stencil clear in osgviewer.
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