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研究生： 吳家瑋
Wu, Gia-we
論文名稱： 建物資料多比例尺展現資料庫之設計與建置
Design and Construction of a Multiple Representation Database for Building Data
指導教授： 郭英俊
Guo, Ying-Juan
學位類別： 碩士
Master
系所名稱： 工學院 - 測量及空間資訊學系
Department of Geomatics
論文出版年： 2007
畢業學年度： 95
語文別： 中文
論文頁數： 102
中文關鍵詞： 多展現 、資料庫
外文關鍵詞： Database, Multiple Representation
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    • 由於科技的日新月異以及網路的高普及性，網路地圖的使用也逐年增加。一般的網路地圖展現通常採用多地圖資料集的方式實施，即在不同的比例尺展繪不同的資料集，各資料集則為互相獨立。以此方式雖然在執行上較為簡單，常用比例尺之地圖資料集的取得也較容易，但在地圖資料集的維護與更新則較困難。其原因是當一個地理物件進行更新時，必須在所有的資料集中找出該物件並將其更新。相對地，若使用衍生導向的方式則較具有彈性，且資料的更新維護也具有一致性，亦即使用具有最高精度需求之單一基礎資料集，並經由事先之定義以全自動或半自動產生小比例尺的地圖資料集。本文即探討如何使用原始比例尺的資料集轉換成不同比例尺的地圖資料集。目的為設計ㄧ系列的流程，使用單一地形圖資料集建立多比例尺資料庫，提升系統維護及更新的效率並且使地圖有較佳的展現效果。

    Because of the development of science and technology and high popularization , the use of the Web map increases year by year . The general method of representing Web map usually accesses many map datasets , namely use different datasets to draw a map in different scale , all datasets are independent . Although it is simple to carry out by this way and the map datasets of the commonly used scale is easy to obtain , the maintenance and update of map data is rather difficult . The reason is that once a geographic object data needs to be updated we must find and maintain the object data corresponding to the same geographic object in every dataset . In contrast to that , the derivation-oriented approach is relative elastic . The approach is to use a single base map dataset with one highest-accuracy to derive small-scale map datasets . by defining a procedure in advance to automatically or semi- automatically transform the original scale dataset into the small scale map . The research discusses how to transform the original scale dataset into another scale map dataset . The purpose is to design a series procedure to use a single topographic map dataset to set up multi-scale database , and raises the efficiency of data maintenance and data update to make the map have better
    representation .

    摘要.....................................................I ABSTRACT............................................... II 致謝.................................................. III 目錄....................................................IV 表目錄................................................ VII 圖目錄............................................... VIII 第一章 緒論............................................. 1 §1-1 研究背景與動機......................................1 §1-2 研究目的........................................... 2 §1-3 研究流程及方法..................................... 2 §1-4 論文架構........................................... 2 第二章 網路地圖的展現................................... 4 §2-1 網路地圖的展示..................................... 4 §2-1-1 網路地圖的展示方法............................... 4 §2-1-2 網路地圖展示的需求............................... 7 §2-1-3 傳統的網路地圖的展示方法......................... 8 §2-1-3-1 傳統展示方法的缺點............................. 9 §2-2 多比例尺資料庫的發展概況.......................... 10 §2-3 網路展圖工具...................................... 12 第三章 多比例尺資料庫之設計.............................18 § 3-1 地理物件資料的多比例尺展現模式................... 18 § 3-1-1 多比例尺資料庫的建置程序....................... 19 § 3-2 語義簡約化....................................... 20 § 3-2-1 地圖展現簡單化的方法........................... 21 § 3-2-1-1 改變地理物件的展現........................... 21 § 3-2-1-2 定義地理物件體系............................. 22 § 3-2-2 地理物件體系架構............................... 27 § 3-2-2-1 單一比例尺的架構............................. 27 § 3-2-2-2 不同比例尺的架構............................. 30 § 3-2-3 重要性層級的定義............................... 33 § 3-3 幾何簡約化....................................... 34 § 3-3-1 轉換程序的定義................................. 34 § 3-3-1-1 縮編操作元的選擇............................. 36 § 3-3-2 定義各層級的應用範圍........................... 38 § 3-3-2-1 物件的幾何資訊............................... 39 § 3-3-2-2 圖形可辨識度................................. 39 § 3-4 物件化的展現方法................................. 42 第四章 多比例尺展現資料庫之建置－以建物資料為例........ 44 §4-1 地理物件體系的建立................................ 44 §4-1-1 地理物件體系架構的比較.......................... 44 §4-1-2 地理物件類別的定義.............................. 48 §4-1-3 重要性層級的定義................................ 49 §4-2 幾何轉換程序...................................... 51 §4-3 應用範圍的設定.................................... 55 §4-3-1 轉換比例尺...................................... 55 §4-3-2 門檻比例尺...................................... 56 §4-4 系統架構及功能.................................... 57 §4-4-1 資料表設計...................................... 58 §4-4-2 縮編模組........................................ 60 §4-4-3 系統功能........................................ 64 §4-4-3 物件展現機制.................................... 67 §4-4-4 使用者操作介面.................................. 68 §4-4-5 資料預處理...................................... 72 第五章 系統測試及分析.................................. 75 §5-1 系統測試環境...................................... 75 §5-2 測試資料.......................................... 77 §5-3 資料更新測試...................................... 78 §5-4 縮編模組測試...................................... 81 §5-5 多比例尺展圖成果測試.............................. 87 §5-6 分析及討論........................................ 95 第六章 結論及建議...................................... 98 參考文獻.............................................. 100

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