基于地理特征的地形多分辨率模型技术研究

基金项目: 广东省自然科学基金;华南农业大学校科研和教改项目

Studies on Technology of Multi-Resolution Land Model Based on Geographic Features in Visualization of 3D GIS

摘要: 探讨了基于地理特征的地形多分辨率模型生成过程中的模型简化评价指标，并且采用四叉树与二叉树结合的方法对模型三角化中形成的裂缝问题进行处理．
- 地形可视化 /
- 多分辨模型 /
- 地理特征 /
- 三角化
Abstract: The simplify criterions for construction of multi-resolution models was discussed based on geographic features. For the problem about carck brought out in model triangularization, a new technique combining quad-tree has been invented.
- visualization of terrain /
- multi-resolution model /
- geographic feature /
- triangularization