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題 名 | 地形圖水系網簡化方法之研究=Automatic Generalization of River Network on Topographic Map |
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作 者 | 黎驥文; | 書刊名 | 測量工程 |
卷 期 | 41:3 1999.09[民88.09] |
頁 次 | 頁50-65 |
分類號 | 440.917 |
關鍵詞 | 製圖縮編; 位相; 數值地圖; 水系網; 河川選取; Cartographic generalization; Topology; Digital map; River network; River selection; |
語 文 | 中文(Chinese) |
中文摘要 | 本文旨在探討地形圖水系網簡化之自動化縮編方法。此法以河川之位相結構為基 礎,考量河川結構之連接特性、選取長度與幾何關係,達成節點、線之間延伸連接之偵測。 於研擬此法時亦參考比例尺二萬五千分之一至二十五萬分之一地形圖之河川編纂實況,以及 相關之製圖規定。將內政部出版之數值地形圖依本文所提方法進行縮編,其結果與人工編纂 近似,說明了本法之實用性。 |
英文摘要 | An automatic generalization method of river network on topographic map is presented in this paper. The selection of rivers' lines is based on the topology, and considering the connections, length and geometry of the lines. The practical factors for the published map (scale from 1:25,000 to 1:250,000) and the rules of cartography were also taken in mind. The proposed method was applied to the digital map (1:25,000) published by the government. The results are similar to that the manual compilation. |
本系統中英文摘要資訊取自各篇刊載內容。