Abstract
Among the several information available on web the spherical panoramas by Google can be an important reference for the 3D models elaboration of urban contexts and historic buildings, difficult to access or even destroyed as a result of wars or natural disasters. Starting from the spherical photogrammetry, thoroughly tested and used by some scholars, the goal of this research was to verify the reliability in the use of spherical panoramas by Google in the architectural and urban survey, considered that in some cases such as in the recent earthquake that hit central Italy, these images represent the only “visual” evidence of something that no longer exists.
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