Urban topography: 3D database construction for propagation modeling in an urban environment

被引：0

作者：

Goldsmith, V ^{[1
]}

Williamson, D ^{[1
]}

Tobar, J ^{[1
]}

Becker, M ^{[1
]}

机构：

[1] CUNY, Ctr Appl Studies Environm, New York, NY 10021 USA

来源：

6TH INTERNATIONAL WORKSHOP ON DIGITAL IMAGE PROCESSING AND COMPUTER GRAPHICS (DIP-97): APPLICATIONS IN HUMANITIES AND NATURAL SCIENCES | 1998年 / 3346卷

关键词：

Digital Elevation Model (DEM); urban topography; viewshed; building footprint; propagation model; line of sight analysis; 3-dimensional model;

D O I：

10.1117/12.301368

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Construction of Digital Elevation Models (DEMs) for natural earth surfaces have now become common practice. What does one do when the topography is caused by the closely-spaced tall buildings of lower Manhattan, New York City? (What we choose to call 'urban topography.') Although the DEM principles are applicable, special problems were encountered in this very exciting and innovative project, requiring unique solutions, which are all discussed in this article.

引用

页码：186 / 197

页数：12

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