GRENDER was used to implement an advanced terrain level of detail system.
Features:
- Implements a very fast and efficient chunked LOD scheme.
- Eliminates seams using a 2 pass smoothing algorithm.
- Prevents popping and assigns more polygons to detailed terrain using a heavily biased Root Mean Square Error algorithm.
- Uses quad-tree based frustrum culling to further increase performance.
- Dynamically generates normals for per-pixel real time phong lighting.
- Uses real-world hightmap data of Hawaii.
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