On 5/7/2011 9:24 AM, Lv Qing wrote:
> Is it because osg2.9.11 made improvements dealing with VPB generated terrain 
> model ?

  OSG continues to improve. 2.9.11 will have lots of changes that could impact
performance. What is the purpose of your question -- if 2.9.11 works better, 
why not just
use it instead of questioning why?

-- 
Chris 'Xenon' Hanson, omo sanza lettere. [email protected] 
http://www.alphapixel.com/
  Digital Imaging. OpenGL. Scene Graphs. GIS. GPS. Training. Consulting. 
Contracting.
    "There is no Truth. There is only Perception. To Perceive is to Exist." - 
Xen
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