| Summary: | 碩士 === 國立臺灣師範大學 === 地理學系在職進修碩士班 === 99 === Topographic map is the basic map in many modern countries. In the process of topographic mapping, map symbols are used to express the geographic spatio-temporal information, and map users recognize the environmental characteristics through the map symbols. So, the use of map symbols should be altered as changes in geographical environment. This study collates and analyzes map symbols in the general map since the scientific mapping of Taiwan(1904), investigates and interprets the factors that affect the use of map symbols and the subjective thought in mapping through the conception of cartographic generalization, and discusses the trends and mechanisms of the map symbol use in topographic maps in Taiwan. The results are as follows: First, the classification of map symbols was simplified and the number used on maps was decreased actually. Second, the main factors that affect the use of map symbols include the purpose of drawing, map use requirements, production and cost aspects, conventional associations and standardization, and geo-data characteristics. Third, Ministry of the Interior has established the standardization of map symbols on topographical map, mainly based on the research reports of academic institution entrusted by the Ministry of the Interior and the resolution at meetings of the working group of Basic and Topographic Map. That will affect revisions of topographic maps in the future and the map content and presentation of geographic information. The suggestions of this study are as follows: the government agencies could develop education programs of the basic topographic map for general public, every one can search and use maps more conveniently. Reflect the map symbols needed of the social development by interactive survey on web. Promote the content development of national basic topographic map more educational and cultural.
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