| 基于射线追踪的视场范围算法 |
| |
| 引用本文： | 陈刚,张丽,李纲.基于射线追踪的视场范围算法[J].测绘科学与工程,2007,27(2):17-20. |
| |
| 作者姓名： | 陈刚 张丽 李纲 |
| |
| 作者单位： | [1]不详 [2]西安测绘研究所 |
| |
| 摘 要： | 在海量地形数据可视化技术中，视场范围计算方法直接影响显示效率。本文提出了基于射线追踪法的视景体投影算法，投影后在二维平面上进行二次裁减。试验表明，该算法具有较高的效率。
|
| 关 键 词： | 海量数据 视景体 视场范围 |
The Algorithm of Visual Field Based on Ridal Trace |
| |
| Chen Gang Zhang Li Li Gang.The Algorithm of Visual Field Based on Ridal Trace[J].Geomatic Science and Engineering,2007,27(2):17-20. |
| |
| Authors: | Chen Gang Zhang Li Li Gang |
| |
| Abstract: | The algorithm of visual field directly affects the drawing efficiency in massive terrain data visualization technology. In this paper, the algorithm of frustum projection based on tidal trace is presented. The experiment indicates that the algorithm can work more effectively. |
| |
| Keywords: | massive terriain data frustum visual field |
| 本文献已被 维普 等数据库收录！ |
