| 基于格网的交叉口立面设计软件开发 |
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| 引用本文： | 杨柳,郑健龙. 基于格网的交叉口立面设计软件开发[J]. 中国市政工程, 2013, 0(3): 71-74,118,119 |
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| 作者姓名： | 杨柳 郑健龙 |
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| 作者单位： | 长沙理工大学交通运输工程学院 |
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| 基金项目： | 长沙理工大学道路结构与材料交通行业重点实验室开放基金资助项目(KFJ090207);湖南省教育厅项目(09C069) |
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| 摘 要： | 交叉口立面设计的计算绘图工作量大,需用CAD提高效率。提出了交叉口设计单元划分和基于点、线、面的几何建模方法。采用格网作为三维设计面,讨论了相应的设计流程和算法。依托AutoCAD平台和ObjectARX开发技术,阐明了设计要素的表达方式,用C++编程实现了软件功能。结果表明,所采用的几何建模方法适用于各种形式的交叉口,基于格网的三维设计高效直观,利用ObjectARX能方便地实现软件功能。
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| 关 键 词： | 交叉口 立面设计 数字高程模型 格网 计算机辅助设计 ObjectARX |
A Study of Software Development of Intersection Vertical Design Based on Grid |
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| YANG Liu,ZHENG Jian-long. A Study of Software Development of Intersection Vertical Design Based on Grid[J]. China Municipal Engineering, 2013, 0(3): 71-74,118,119 |
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| Authors: | YANG Liu ZHENG Jian-long |
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| Affiliation: | (School of Traffic & Transportation Engineering,Changsha University of Science & Technology,Changsha 410004,China) |
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| Abstract: | Due to grand calculation drawing work amount of intersection vertical design,it is necessary to use CAD to improve work efficiency.The intersection design unit division and geometric modeling method based on dot,line and surface are proposed in this paper.Grid is adopted as 3D design surface and the relevant design procedures & algorithms are discussed then.Based on AutoCAD and ObjectARX techniques,the representations of design elements are described and the software is implemented with C++ programming.The results can show that the geometric modeling method adopted is suitable to different forms of intersections,3D design is visual and effective based on grid;the software function can be realized conveniently by use of ObjectARX. |
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| Keywords: | intersection vertical design digital elevation model(DEM) grid computer aided design(CAD) ObjectARX |
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