| 地图信息含量的量测研究 |
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| 引用本文： | 何宗宜. 地图信息含量的量测研究[J]. 武汉大学学报 ( 信息科学版),1987,12(1): 70-80. |
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| 作者姓名： | 何宗宜 |
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| 摘 要： | 本文介绍了地图信息量的量测方法。地图的信息可分为直接信息和间接信息。地图的直接信息来自现有的特征和图形,其中包括位置、注记、语义和色彩四种信息。间接信息不是来自符号本身,要通过分析间接获得。作者利用信息论的原理对地图上的这几种信息的量测法进行了探讨。
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| 关 键 词： | 地图信息量 直接信息 间接信息 |
| 收稿时间： | 1986-08-31 |
A Study of the Method for Measuring the Information Content of Map |
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| He Zongyi. A Study of the Method for Measuring the Information Content of Map[J]. Geomatics and Information Science of Wuhan University,1987,12(1): 70-80. |
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| Authors: | He Zongyi |
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| Abstract: | This paper introduces the method for measuring the information content of a map. Information of a map can be divided into direct information and indirect information. Direct information comes form ready-made character and figure, it includes position, letter, semantic and colour information. Indirect information is not from symbol itself but from analysis indirectly. Using the principle of information theory, author studies the method for measuring these information on the map. |
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| Keywords: | information content of map direct information indirect information |
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