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基于GIS的城市地下管网断面可视化分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2004年05期
Page:
86-88
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Section Visualization Analysis of Urban Underground Pipes Networks Based on GIS
Article ID:
1000-2006(2004)05-0086-03
Author(s):
ZHANG Shu-liang~1JIANG Yong-fa~(12)LAN Xiao-ji~1L Guo-nian~1
1.Nanjing Normal University,Nanjing 210097,China;2.Fundamental Geographic Information Center of Jiangsu Province,Nanjing 210013,China
Keywords:
GISSection analysisTransectVertical sectionVisualization
Classification number :
U417
DOI:
10.3969/j.jssn.1000-2006.2004.05.022
Document Code:
A
Abstract:
In this paper,the authors put forward a kind of data structure of section analysis for urban underground pipes,and designed a type of arithmetic for getting points of intersection of the section.The authors put forth the section visualization technology and given an example to application.For a transect analysis,geographical coordinate value of X multiplied by cos θ is X-axis.Y-axis is Z-axis of geographical coordinate.For a vertical section analysis,X-axis is X-axis of geographical coordinate,and Y-axis is Z-axis of geographical coordinate.3D distance or horizontal distance can get from a sectional view.Moreover it is important that a sectional view is clear to visualize kinds of underground pipes.

References

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Last Update: 1900-01-01