一个地形分块程序,对海量地形块,进行LOD分块,自动重新组织,实现普通3D图形卡漫游-A terrain block procedures for Massive Terrain block, block to LOD, automatic re-organization, to achieve common roaming 3D graphics card

基于数据分层分块的海量三维地形四叉树简化模型-A Model for Massive 3D Terrain Simplification Based on Data Block Partition and Quad瓜爀攀攀