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在公路行车视距概念的基础上,提出公路运行视距和空间视距的概念,研究利用空间两点通视原理计算分析空间视距的方法,进而基于计算机虚拟仿真技术实现空间视距检测。提出利用设计视距、运行视距与空间视距3种视距对比分析发现视距不足的方法,为公路行车安全评价分析提供依据。
Based on the concept of road viewing distance, this paper proposes the concept of road running distance and space line of sight, and studies the method of calculating and analyzing space line of sight by using the principle of two points of sight, and then realizes space line of sight detection based on computer virtual simulation technology. This paper proposes a method to find the lack of line of sight by using the three kinds of line-of-sight contrasts of design line of sight, run line of sight and space line of sight, which provides the basis for road traffic safety evaluation and analysis.