THE LATEST TECHNOLOGIES OF URBAN PLANNING: THE CONTROL OF THE LANDSCAPE AND THE DEVELOPMENT OF THE URBAN ENVIRONMENT THROUGH DIGITAL SURVEYS
Published: 15 Oct 2016
Abstract: In recent years, GIS systems have evolved because of technological advancements, which have improved the type of acquisition and allowed to manage multiple amounts of data information simultaneously. Through systems that use active techniques, such as the laser scanner plane, or passive techniques, such as photogrammetry (by aircraft, drones and other down-sensing platforms), one can create a model point cloud displayed with leading CAD and GIS software. Over the past decade, the laser scanner plane (LiDAR) has come to been considered the quickest, most efficient and advantageous tool, providing accurate dense clouds of points and 3D modeling, surface areas and land. Recently, with the photogrammetric technique, thanks to the improvements of the optical sensors and, in particular, to new algorithms (dense image matching), what has emerged is a competitive technology, able to provide, in an automatic way, 3D point clouds and digital surface models geometrically comparable to those obtained with active instrumentation, even for large areas. Such sophisticated equipment captures the data, making it also accessible through the new mobile technologies of communication, capable of operating within the web-based information systems. This paper aims at understanding how the new technologies of digital survey have transformed the field of planning and the multiple use of the information obtained.
Keywords: digital technologies, urban planning, regional planning, gis, passive sensors, active sensors
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