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Tuesday, 25 March 2014 00:00

New software developed, that captures cartographic information

Presentation of the project at CTA (Technological Corporation of Andalusia) Presentation of the project at CTA (Technological Corporation of Andalusia)

A ceiA3 research team participates in a project called LAS ROADS, led by Sando, Stereocarto and Leica Geosystems enterprises and supported by the technological Corporation of Andalusia

Sando, Stereocarto and Leica Geosystems have developed, through a project supported by the Technological Corporation of Andalusia (CTA) and the Agency IDEA, a system for treatment of topographical and mapping information from both terrestrial and airborne laser sensors, in order to apply it in civil works. The consortium of companies comprising the LAS ROADS project has presented before CTA the final results of this research in the Centre of Railway Technologies of ADIF, located in the Technological Park of Andalusia in Malaga, where Sando has installed its main research lab.

THE ROADS project consists of the "Development of a system for the extraction of useful information from data captured by airborne and terrestrial laser sensors applied to civil engineering".”  The consortium formed by Stereocarto, Leica Geosystems, and led by Sando, has been proof testing the use of laser technology applied to the field of civil engineering for two years.

The project received an incentive granted by CTA, partially financed by the Regional Ministry of Economy, Innovation, Science and Employment of the Government of Andalusia and the Spanish Ministry of Economy and Competitiveness. The project also includes the participation of the ceiA3 research group called “Photogrammetric and Topographic Systems” and the “Graphic and Geomatics Computer Science” research.

The main objective of LAS ROADS was to develop and implement a methodology that improves the processes of capturing topographical and mapping information, needed for civil works infrastructure. In order to carry it out, they have been using the latest technologies for the last two years, including special digital cameras, Airborne Lidar type sensors, laser systems of terrestrial scanner and mobile cartography systems (Mobile Mapping Systems).

Analysis of the different technologies carried out in the company’s actual construction sites as well as at ADIF’s testing facilities base in Antequera (Malaga), has allowed an evaluation of the behaviour of different measurement systems. The project has determined that laser scanner-based measurements are valid for the creation of a mapping base for any type of project, although they must be backed by image capturing and have the problem of the high cost of the equipment. However, this Mobile Mapping System is very useful and economical.

It also empirically demonstrates that the Airborne Lidar system supported by aerial photogrammetry offers fully valid details for the monitoring of earthworks in civil projects.

Dependency on conventional aircrafts to carry out aerial data collection and problems due to their availability, opened the door for the use of drones. Thanks to these experiments, Sando already uses unmanned aerial vehicles (UAVS or drones), in their construction works and has begun procedures to develop another project, based on this technology. As a continuation of ROADS, the new project is to be called UAV-ROADS.

The second objective, by relevance within the project, was the creation of a software tool capable of processing data, almost in real time, with the necessary accuracy for civil infrastructure. The result of this objective is LAS-ROADS V.1 software, a development implemented specifically with algorithms for the management of information from the tested technologies, which also enables the use of this type of data.

The LAS ROADS project represents a qualitative leap in the field of R&D and Innovation in Sando, expanding, after this initiative, the company’s lines of research, and certifying its  R&D and Innovation management system through the Spanish certificate Aenor (No.166002). This group of companies is currently developing three research projects and has another five in study phase.

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