Hi Wangzhu,

Paul Martz has been working on occlussion querry support, developing a
NodeKit specifically designed for the this purpose.  As far as I know
it hasn't been open sourced yet, but the intention is to open source
it in the not too distant future.

Hopefully Paul will be able to fill you in on the details once he gets
back online after his trip.

Robert.

On 8/13/07, Wangzhu <[EMAIL PROTECTED]> wrote:
> Hello,
>
>  I'm working on an application, which uses OSG for rendering. I would like to 
> incorporate occlusion culling using hard-ware occlusion queries, but I'm not 
> sure how to do it in OSG.
>
>  In my approach, I mush issue many tests in one frame, and every test needs 
> to draw a certain node. But OSG itself works as cull-draw mode, so I'm not 
> sure how to use OSG to draw one node at a specific time. It almost made me 
> mad...help...
>
>  Is there any idea to solve the problem? Or some better approach to do 
> occlusion query in OSG?
>
>  Any suggestion will be appreciated. Many Thanks~
>
>
> Wangzhu
> [EMAIL PROTECTED]
>
> 2007-08-13
> _______________________________________________
> osg-users mailing list
> [email protected]
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>
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