Some relative key techniques including the design of 3D data model, database management based on Oracle, the fusion between CAD data and GIS data, sunlight analysis and so on are emphasized.

对涉及到的关键技术包括三维数据模型的实现、二维数据的嵌入与操作、日照分析关键技术等都进行了详尽的介绍。

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The production of this paper is what is targeted initially: 3D GIS data model and data structure of water conservancy.

本文研究的主要成果是水利工程3D GIS数据模型与数据结构。

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A method is presented to implement real-time 3d road animation coupled with road design data and digital terrain model (DTM).

研究了一种用数字地面模型和公路设计数据实现实时三维动画的方法。

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Additive manufacturing is the process of joining materials to make objects from 3D model data, usually layer upon layer.

WHITEHOUSE: Delivering on Manufacturing Innovation

The laptop uses the GPS data to maintain a 3D model which keeps the vehicle correctly positioned in the virtual world, and much "like a novel, " the story unfolds as different turns (ahem) take place based on the decisions players make.

ENGADGET: Backseat Playground to integrate GPS into in-car gaming

The British Geological Survey has offered access to its data for the project, including a 3D model of the city, while the work will be done by PHD student Emma Church, part-funded by Scottish Power.

BBC: Glasgow under-street heating plan unveiled