ZHANG Jian-fei, WANG Yan-tao, CHENG Jie. Large Scale 3D Terrain’s Generation and Walkthrough[J]. 2010, 15(2): 28-30.DOI:
大规模三维地形的生成和漫游
摘要
基于分块分层的地形LOD模型算法
结合视点相关因素
大幅度简化了大规模地形复杂场景
实现了研究区域三维地形可视化的实时绘制.运用多线程处理机制
提高了地形漫游的效率与可视化效果.实验结果表明
文中算法具有处理数据量大、效率高、效果好等特点.
Abstract
Utilizing terrain LOD modeling algorithm based on segmentlayer and incorporating the factor of view-dependent
the paper simplifies the complex scene of large-scale terrain and realize the 3D terrain visualization real-time drawing for researched area.With the aid of multithread-processing mechanism
the efficiency of terrain walkthrough and the visualization effect are enhanced.The experimental result shows that the algorithm has many features