Abstract
Following the growing importance of the energy policies, automatic tools become an arising necessity for administrations. The necessary 3D data can be effectively generated by photogrammetry techniques and Structure-from-Motion (SfM) software, and meaningfully managed and analyzed in Geographical Information Systems (GIS). In this case, for the whole workflow, both proprietary and free open source software (OSS) were used. The known advantage of OSS, besides their cheapness, is the possibility to control all the processing steps and to exploit the offered interoperability. Finally in the paper results, problems and limitations of the achieved products were investigated in order to evaluate and confirm the reliability and convenience of OSS.
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