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毫米波防撞雷达三维显示界面的设计与实现
靳碧鹏
0
((中国西南电子技术研究所,成都 610036))
摘要:
提出了一种地形分块加速绘制算法。算法递归地将地形划分为多个大小相等的地形块 ,通过统计地形块中目标分布的稀疏度以及无目标地形块所占的比例,寻找最优的地形分块 方式。此外,提出了一种利用Diamond-Squares算法生成随机纹理,并融合顶点颜色为地形 着色的方法,渲染的地形真实感强、层次分明。最后,介绍了防撞雷达三维显示中的场景漫 游方式。该方法已成功应用于实际工程中,显示效果良好,并且具有通用性,可以应用于一 般的三维地形绘制。
关键词:  防撞雷达  三维显示  地形绘制  纹理映射  环境漫游
DOI:
基金项目:
Design and Implementation of 3D Terminal Displays for Millimeter Wave Anti Collision Radar
JIN Bi-peng
((Southwest China Institute of Electronic Technology, Chengdu 610036,China))
Abstract:
This paper presents a terrain partition algorithm for quick rendering. The algorithm recursively divides the whole terrain into several equal blocks. By analysing the amount of target in a terrain block and the ratio of the blocks which contain no targets, it can find out an optimi zed way. Furthermore, a terrain coloring method is presented, which blends textu r e image generated by DiamondSquares, and the vertex color. The terrain renderi ng by this method has a realistic effect and clearly color layers. Finally,the c ruising method in 3D scene used for 3D displays of anticolli sion radar is introduced.The method has been successfully deployed in engineerin g and has achieved a good effect. Otherwise, the method also adapts to general t errain rendering.
Key words:  anti collision radar  3D terminal displays  terrain rendering  texture mapping  cruising in environment
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