大规模地形渲染，使用OPENGL 和 C++变成，使用ROAM经典算法，LOD算法化简提高效率。-massive terrain rendering, use OpenGL and C into use Applying ROAM classic algorithms, LOD algorithm Simplification improve efficiency.
有关ROAMing地形算法的论文，强大 ROAMing Terrain: Real-time Optimally Adapting Meshes 摘要： Terrain visualization is a difficult problem for applications requiring accurate images of large datasets at high frame rates, such as flight simulation and ground-based airc
