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Managing scene complexity
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Culling - Hierarchical LOD, Continuous LOD, Impostors
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Texture paging - Nasa Digital Earth Project
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Database paging - Terrapage and custom paging mechanism
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Multipipe and cluster systems
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Mutithreading - scene graph supports :
- synchronous write (app)
- multiple asynchronous read (cull and draw).
- transparent multi buffering of texture object and display lists.
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Open Producer - configurable multipipe right now, clusters in future
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VRJuggler