Information rich 3d computer modeling of Urban Environments

 

Generating 3d GIS... using LiDAR airborne laser scanners

Courtesy of Ordnance Survey Crown copyright 2001
(LiDAR = Light Detection and Ranging)
  

+ Relatively quick, automated process to generate a basic model

+ Very accurate, detailed data source (x, y, z every 30cm)

- Can produce 'spiky' gothic look. Lack of truly vertical faces

- Requires extensive post-processing to develop an intelligent model

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