| 道路与匝道中线自动绘制的算法与实现 |
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| 引用本文： | 王中伟.道路与匝道中线自动绘制的算法与实现[J].工程图学学报,2007,28(1):144-147. |
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| 作者姓名： | 王中伟 |
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| 作者单位： | 湖南交通职业技术学院路桥工程系,湖南,长沙,410004 |
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| 摘 要： | 道路与立交匝道平面中线的计算机自动绘制是道路路线CAD软件的核心功能之一,在道路工程计算机动态交互式设计、计算机辅助成图方面具有基础性作用.依据道路中线线形的曲率变化特点,推导了道路中线坐标计算的通用数学模型,并根据一个工程实例在通用图形系统AutoCAD环境下实现了道路与匝道中线的自动绘制.
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| 关 键 词： | 计算机应用 道路中线自动绘制 中桩坐标通用数学模型 道路CAD |
| 文章编号： | 1003-0158（2007）01-0144-04 |
| 收稿时间： | 2006-02-15 |
| 修稿时间： | 2006年2月15日 |
Algorithm and Realization of Automatic Drawing of Center Line for Road and Ramp |
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| WANG Zhong-wei.Algorithm and Realization of Automatic Drawing of Center Line for Road and Ramp[J].Journal of Engineering Graphics,2007,28(1):144-147. |
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| Authors: | WANG Zhong-wei |
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| Affiliation: | Road and Bridge Engineering Department, Hunan Communications Polytechnic, Changsha Hunan 410004, China |
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| Abstract: | Computer automatic drawing of center line on plan for roads and ramps is one of the core functions of road route CAD software.It contains basic function on the aspect of computer dynamic interaction design and computer aided drawing for road engineering.According to the changing characters of curvature of road center line,the general mathematical model for computing road center line coordinates is deduced.The automatic drawing of center line for roads and ramps is realized in AutoCAD environment and the example is showed. |
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| Keywords: | computer application automatic drawing of road center line general mathematical model for center stake coordinates road CAD |
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