[osg-users] Best way to cull object hidden by a mountain

[Julien Valentin]

try
ocqn->getQueryStateSet()->setRenderBinDetails(100,"RenderBin",TRANSPARENT_BIN)



kragnfroll wrote:
> Ok. Then I've a problem with my occlusionQuery node !
> 
> Here is how I tested :
> - breakpoint in the OcclusionQueryNode::getNumPixels function
> - configured OQN with a QueryFrameCount of 500 to see occluded node coming 
> 
> And the result is :
> - occlusion working when a node is outside the camera field
> - not working at all when occluded by textured HeightField when opacity is manager (setRenderingHint TRANSPARENT_BIN)
> - working when removing the TRANSPARENT_BIN attribute on the heightField
> 
> I really need transparency. I think I can understand what is going on : the occlusion Query is made before the HeightField is rendered, even if the node I need to occlude is also in the transparent_bin.
> 
> Is there a way to make it work ?


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