摘要
详细介绍由等高线地形图数据生成三维真实感地形的基本原理和过程,具体实现方法是通过等高线数字化获取离散点的高程数据,采用Delaunay三角网进行三维建模,然后进行三维显示,从而生成真实感的三维地形。并以Visual C++6.0为开发平台,OpenGL为工具,建立了基于等高线数据的三维真实感地形模型。实验证明本文所述方法速度快、精度高。
This paper introduces the keystone and process of generating three dimension realistic terrain by contour map data, that is obtaining high data of discrete point, generating Delaunay triangulation model and then generating three dimension realistic terrain, and gives an example of generating three dimension realistic terrain by contour line data using OpenGL with the Visual C ＋ ＋ 6.0 as a developing tool. Experiment shows that the proposed three dimension realistic terrain model is fast and accurate.
出处
《计算机与数字工程》
2005年第10期20-23,共4页
Computer & Digital Engineering
基金
江苏省高校自然科学研究计划资助项目(项目编号SL020013)
徐州师范大学科学基金资助项目(项目编号:03XLB26)
