摘要
地形及地表景物是虚拟环境的主要组成部分。在虚拟战场环境中,地形模型的基础是真实的原始地形数据,原始地形数据包括地形高程数据和地形文化数据,地形文化数据是表征地表地理文化特征的数据。讨论了二维建模的整个过程,提出了基于区域划分的分层分级的地形二维模型和利用数字海图高程点数据的三维建模方法,可以应用于虚拟海战场环境的系统开发。
The terrain and the surface scenery are the main components of VR.In the virtual battle environment,the base of terrain model is original terrain data in reality including terrain DEM and terrain culture.The terrain culture data is symbols of geography.The entire procedure of 2D modeling was discussed.The methods of 2D modeling based on region division and classification in level was put forward,so was the 3D modeling based on altitude point in digital chart.These can be used in the application of virtual sea battle field.
出处
《海洋测绘》
2010年第5期62-65,共4页
Hydrographic Surveying and Charting
