Cool. My suggestion was going to be a call to setInitialBound, so it looks like we were thinking along the same lines. Sorry I kind of left you hanging there, but got wrapped up in other stuff.
   -Paul


Matt Franklin wrote:
Guessed it might be due to the bounding box issue found by Andrew Cunningham. I have now overridden the bounding box volume to return a zero size and all seems to be working as expected.

2010/1/25 Matt Franklin <[email protected] <mailto:[email protected]>>

    Okay the projection matrix when using bounding volumes ends up
    looking like this:

    2 0 0 0
    0 2 0 0
    0 0 -0.0001 0
    -1 -1 0 1

    With Primitive culling the projection matrix looks like this

    2 0 0 0
    0 2 0 0
    0 0 -1 0
    -1 -1 -500 1

    Not sure why, will continue to dig around, but any pointers will be
    appreciated.


    ---------- Forwarded message ----------
    From: *Matt Franklin* <[email protected]
    <mailto:[email protected]>>
    Date: 2010/1/25
    Subject: RE: [osg-users] Fwd: DrawPixels Cull settings
    To: [email protected]
    <mailto:[email protected]>


    GL_CURRENT_RASTER_POSITION_VALID is returning false,so I assume
    something is happening in the projection matrices. Any ideas?



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