[osg-users] How to select OSGB tiles for current zoom?

[shlem at netvision.net.il]

Hi
I wrote my own renderer based on DirectX.
Everything goes nice except one issue.
How I decide to show the some tile/node or its children regarding to current zoom level?
Does each tile/none have some hints? (like 3mx files for example, that have  MaxScreenDiameter field)
Thanks in advance
Leonid Shikhmatov
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