| Summary: | 碩士 === 國立臺灣大學 === 資訊工程學研究所 === 99 === Through integrating historical maps and historical data, the Geographic Information System (GIS) can help historian observe and track historical phenomena that are not easily found from historical data alone. However, for scholars without much knowledge in geography, mastering GIS can be a daunting task. There is, therefore, a barrier between humanities research and GIS. Hence, our target is how to build a user-friendly and intuitive GIS tool for scholars to use.
In this thesis, we present two WebGIS systems. The first one built on a database of land deeds. Land deeds are important primary documents that are used by historians in the study of land and social development Qing era Taiwan. We start by identifying the exact latitude and longitude of the land deeds, upon which a retrieval system is built. A user can find land deeds either through typing in words or drawing an area. The deeds retrieved are then presented on the map. Several layers of maps, of different nature and time periods, are also incorporated. The second system presented uses an administrative area map to provide a convenient tool for researchers to generate theme maps. By uploading statistical data in Excel format, the system will automatically generate a map with the data in different regions presented in different color according to density. The system is a very simple visual aid for the user to observe geographical data.
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