Global Terrain Rendering Algorithm Based on Block Adaption Mesh
2012
An efficient method for out-of-core global terrain rendering was realized based on a spherical-block data model.Firstly,an adaption LOD selection algorithm was proposed based on block resolution,whose complexity was independent of the amount of global terrain data.Then,an efficient out-of-core strategy was employed to reduce the I/O workload,which took advantage of the coherency of the block structure.With regard to the performance,it remains favourable compared to current other approaches,while does not rely on the powerful graphic hardware.
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