[osg-users] Dynamical loading of resources

Joachim Gehrung joachim.gehrung at iosb.fraunhofer.de
Mon Aug 14 01:15:18 PDT 2017


I was tasked with writing a visualizer for large 3D areas, the kind of areas that may not fit into RAM, either because they are too large, or because the RAM on the machine is not large enough ;).

I am new to OSG, this is my first post to the forum (hello, guys :)!). I was wondering how to perform out-of core handling of the 3D resources I intent to render. Its not possible for me to load everything and then start rendering, i need to constantly load new parts of the environment and unload geometry that is out of view.

So I would like to know, is there any mechanism in OSG (or OSG Earth) which already supports this? Or would I have to implement it myself? Either way, I would be very happy if one of you could give me a rough explanation of how to approach this problem with OSG. 

Thank you, I appreaciate yout help!


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