| GIS符号库中复杂线状符号设计技术的研究 |
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| 引用本文： | 何忠焕. GIS符号库中复杂线状符号设计技术的研究[J]. 武汉大学学报 ( 信息科学版), 2004, 29(2): 132-134. |
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| 作者姓名： | 何忠焕 |
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| 作者单位： | 武汉大学空间信息与数字工程研究中心, 武汉市珞喻路129号, 430079 |
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| 基金项目： | 测绘遥感信息工程国家重点实验室开放研究基金资助项目 (WKL( 0 1) 0 3 0 3 ) |
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| 摘 要： | 针对GIS符号库中复杂线状符号的设计,从线状单元的衔接、特殊位置成员、单元的整体变化、符号的异常等方面提出了改进的方法,解决了一些复杂线状符号的绘制问题。
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| 关 键 词： | 线状符号 线状单元 单元变化 |
| 文章编号： | 1671-8860(2004)02-0132-03 |
| 收稿时间： | 2003-10-29 |
| 修稿时间： | 2003-10-29 |
Designing Technique of Complicated Linear Symbols in GIS Symbol Database |
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| HE Zhonghuan. Designing Technique of Complicated Linear Symbols in GIS Symbol Database[J]. Geomatics and Information Science of Wuhan University, 2004, 29(2): 132-134. |
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| Authors: | HE Zhonghuan |
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| Affiliation: | Research Center of Spatial Information and Digital Engineering, Wuhan University, 129 Luoyu Road, Wuhan 430079, China |
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| Abstract: | This paper presents a method for improving the performance of linear symbol by considering the variation of line unit.In this method,the members of line unit should be divided into two kinds:flexible ones and rigid ones.Some members can be destined for the particular position on the symbol. In the process of drawing,size of line unit may be changed and line symbol should deal with some abnormal cases .By using this method for designing linear symbol,some usually complex and difficult problems can be solved. |
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| Keywords: | linear symbol line unit unit variation |
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