Discussion on the process of plotting terrain map by digital scanning and its related problems;

介绍了工程地形图自动绘制系统实现过程中所采用的几个有效技术。

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The soil erosion potential possibility can be studied using the soil background map and digital terrain map supported by GIS;

在GIS支持下，利用土壤背景和数字地形模型可实现水土流失潜在可能性分析。

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In addition, a pipe network description language for water supply system is designed to locate pipe networks in city terrain map.

给出一个管网系统(供水)的管网图形描述语言，使管网系统能快速准确地定位于地形图上。

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To a comprehensive terrain map of Alaska he adds data on avian flyways, urban settlements, hospital locations and climate.

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After testing a crude version of their technology in 2007 on the Lincoln Park Municipal Course in San Francisco using GPS devices and HD cameras, the prototype proved that they could accurately map terrain and create a realistic game experience.

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Each missile comes with a terrain contour matching radar, which compares a stored map reference with the actual terrain to fix the missile's position.

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