| 嵌入式GIS系统实时响应的软件方法实现 |
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| 引用本文： | 胡泽明,岳春生,王志刚. 嵌入式GIS系统实时响应的软件方法实现[J]. 测绘科学, 2007, 32(1): 98-99 |
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| 作者姓名： | 胡泽明 岳春生 王志刚 |
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| 作者单位： | 解放军信息工程大学测绘学院,郑州,450002;解放军信息工程大学测绘学院,郑州,450002;解放军信息工程大学测绘学院,郑州,450002 |
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| 摘 要： | 嵌入式GIS的大量应用使得研究其实时性具有现实意义,选定嵌入式处理器等硬件平台后,可通过软件方法改善其实时性能。空间数据组织结构、多任务双缓存技术、地图符号绘制算法和合理数据调度等方法在本文中被详细阐述以提高实时性。测试结果表明,综合运用这些方法是有效的。
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| 关 键 词： | 嵌入式地理信息系统 实时响应 分块分级空间数据组织 双缓存技术 |
| 文章编号： | 1009-2307(2007)01-0098-02 |
| 修稿时间： | 2006-03-24 |
The software methods realization to improving real-time response in embedded GIS |
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| HU Ze-ming,YUE Chun-sheng,WANG Zhi-gang. The software methods realization to improving real-time response in embedded GIS[J]. Science of Surveying and Mapping, 2007, 32(1): 98-99 |
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| Authors: | HU Ze-ming YUE Chun-sheng WANG Zhi-gang |
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| Abstract: | Due to comprehensive application,it is very significant to research real-time response about embedded GIS.After choosing an embedded CPU,there are some software methods to improve real-time response.Map space data organizing structure,double buffer technique,special arithmetic of drawing map symbols,etc are described in details in this article.Testing indicates that these ways are very effective. |
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| Keywords: | embedded GIS real-time response blocked and graded space data architecture double buffer technique. |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
