| 基于构图特点的嵌入式电子地图快速显示方法 |
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| 引用本文： | 纪培钊,李爱光.基于构图特点的嵌入式电子地图快速显示方法[J].测绘与空间地理信息,2016(5):138-143. |
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| 作者姓名： | 纪培钊 李爱光 |
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| 作者单位： | 信息工程大学,河南郑州,450001 |
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| 摘 要： | 对地图分区域构图特点进行了研究,结合嵌入式电子地图数据组织与图形特点,提出了一种集成行程长度与多段扫描转换算法的高效绘线方法,利用地图格网索引技术对算法进行了集成,验证了算法的效率。
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| 关 键 词： | 嵌入式电子地图 构图特点 行程长度 扫描转换 地图分块 |
Research on Rapid Display Method of Embedded Electronic Map Based on Map Composition Characteristics |
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| Abstract: | This paper attempts to study map composition characteristics of reigns with different terrains .Combined with data organiza-tion and graphic characteristics of embedded electronic map , an efficient line drawing method integrated with run -length and multi-scan conversion algorithm is proposed .The efficiency of the algorithm is verified by system integration with map grid index technology . |
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| Keywords: | embedded electronic map map composition characteristics run-length scan conversion map segmentation |
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