Digital documentation and restoration tools reusing existing imagery: a multipurpose model of the Neptune’s Fountain in Bologna

On the occasion of the recent restoration of the sixteenth century Neptune’s Fountain in Bologna, promoted by the municipality in 2015 to preserve one of the major town’s landmark, high-quality imagery has been acquired for documenting the current state of preservation of the marble and bronze surfa...

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Bibliographic Details
Published in:Applied geomatics 2018-12, Vol.10 (4), p.295-316
Main Authors: Apollonio, Fabrizio Ivan, Ballabeni, Massimo, Bertacchi, Silvia, Fallavollita, Federico, Foschi, Riccardo, Gaiani, Marco
Format: Article
Language:English
Subjects:
3D printing
Cleaning
Colour
Documentation
Earth and Environmental Science
Geographical Information Systems/Cartography
Geography
Geophysics/Geodesy
Imagery
Measurement Science and Instrumentation
Modelling
Original Paper
Photogrammetry
Protection and preservation
Remote Sensing/Photogrammetry
Restoration
Simulation
Structural analysis
Surveying
Water conveyance
Water supply
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Summary:On the occasion of the recent restoration of the sixteenth century Neptune’s Fountain in Bologna, promoted by the municipality in 2015 to preserve one of the major town’s landmark, high-quality imagery has been acquired for documenting the current state of preservation of the marble and bronze surfaces before and during the restoration phases. Starting from this available detailed photographic campaign and using new tools developed to solve problems linked with some limitations of the captured imagery, authors produced a photogrammetry-based 3D model of the monumental sculpture group, reliable for both geometric features and colour reproduction consistency, in order to be used to support the supplementary activities not foreseen in the original project. The paper presents methods and techniques implemented to produce the 3D model of the fountain, besides its main actual applications as a basic tool to support different restoration activities: (i) reliable documentation of the actual state; (ii) high-quality visualization and rendering; (iii) technical outcomes and graphical representation extraction; (iv) study of original and current water supply system and simulation of the new project for the jets system and watergames; (v) new lighting design simulation; (vi) structural analysis; (vii) support to preliminary analysis and design studies related to hardly accessible areas; (viii) surface cleaning analysis; (ix) base for filling gaps or missing elements through 3D printing; (x) support for data modelling and semantic-based diagrams.
ISSN:1866-9298
1866-928X
DOI:10.1007/s12518-018-0210-x