原文传递
Development of Topographic Maps Symbols Library Based on AutoLISP language
| 题名： | Development of Topographic Maps Symbols Library Based on AutoLISP language |
| 正文语种： | 中文 |
| 作者： | Caimin Sun Guoqing Sun |
| 作者单位： | North hina Institute Of Science nd Technology, Yanjiao, Beijing East, hina, 101601 |
| 关键词： | Auto LISP Topographic Maps Symbols Library Development |
| 摘要： | Visual LISP language is favored by many people for its simple and practical.Because of most CAD teaching materials centre on introducing concrete languages' use and single symbol making,lack of a comprehensive description of the whole process of developing professional symbols library,it is very difficult for People having mastery of LISP languages to developing professional symbol library by this language.In this article,the authors develop a symbols library for common Topographic Maps and design an environment to transfer and input the symbols with the aid of Visual LISP language,including defining graphic coordinates systems,coordinates transformations,putting library files in order,calling user-defined file etc.This paper provides great help for people who Devote oneself to map symbol library system development. |
| 会议日期： | 20130417 |
| 会议举办地点： | 北京 |
| 会议名称： | 第六届中国公路科技创新高层论坛 |
| 出版日期： | 2013-04-17 |
| 母体文献： | 第六届中国公路科技创新高层论坛论文集 |
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