地理資訊系統中最短路徑計算功能的目的在節省旅行者的成本花費，不過實務經驗發現，地圖上行走距離最短的路徑通常並不會是最佳的路徑，其中牽扯到了路況的好壞與行走速度的限制等因素，因此在考量多方因素下決定出最佳路徑的路徑規劃一直是個重要的研究課題。
今日，路徑規劃方面仍是以單機版軟體為主流，功能也較為強大；目前常見的網路地圖服務僅提供最短路徑或最快路徑的查詢，缺乏彈性的個人化選項。因此考量到網路化的發展趨勢及使用者需求，本研究運用WebGIS架構整合後端地理資料庫與前端的動態網頁技術，納入即時路況與即時天氣等即時資訊的考量，設計一個具有學習機制的互動式線上路徑規劃系統。使用者對於查詢結果具有可操作性，藉由路徑修正結果的遞交，伺服端得以分析出使用者的路徑選擇行為模式，以自動化的方式達到個人化的路徑規劃設定，提升WebGIS的路徑分析功能。

The purpose of Shortest Path computing function in GIS is to reduce the user’s travel cost. But according to practical experience, the shortest path on a map is not usually the best path on real world, because of various factors such as road conditions and the speed limit etc. So the Route Planning of determining the best path about considering in all its bearings is always an important issue.
At present the console software about route planning is more powerful and more popular than web based service; Now most web map service only provide queries about shortest path or fastest path but absence of elastic personal condition. As a result, regarding the trend of Internet and the need of users, this research intends to use the functional architecture of WebGIS integrating Geographic Database and Dynamic HTML, including the on-line traffic information and weather information. The design of an Interactive Route Planning System will include a learning technology. Users can revise the query result displayed by the system. By sending the revision part return to system, the server can analyze for the model of user’s route choosing habit. And the system can automatically get personal route planning setting and improve the capability of route analyzing function in WebGIS.

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