Chapter 2
Digital Outcrop Model Reconstruction and Interpretation
Andrea Bistacchi,
Silvia Mittempergher,
Mattia Martinelli,
Andrea Bistacchi
Dipartimento di Scienze dell'Ambiente e della Terra, Universita' degli Studi di Milano - Bicocca, Piazza della Scienza, 4, 20126 Milano
Search for more papers by this authorSilvia Mittempergher
Dipartimento di Scienze dell'Ambiente e della Terra, Universita' degli Studi di Milano - Bicocca, Piazza della Scienza, 4, 20126 Milano
Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Modena e Reggio Emilia, Via G. Campi 106, 41125 Modena
Search for more papers by this authorMattia Martinelli
Dipartimento di Scienze dell'Ambiente e della Terra, Universita' degli Studi di Milano - Bicocca, Piazza della Scienza, 4, 20126 Milano
Search for more papers by this authorAndrea Bistacchi,
Silvia Mittempergher,
Mattia Martinelli,
Andrea Bistacchi
Dipartimento di Scienze dell'Ambiente e della Terra, Universita' degli Studi di Milano - Bicocca, Piazza della Scienza, 4, 20126 Milano
Search for more papers by this authorSilvia Mittempergher
Dipartimento di Scienze dell'Ambiente e della Terra, Universita' degli Studi di Milano - Bicocca, Piazza della Scienza, 4, 20126 Milano
Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Modena e Reggio Emilia, Via G. Campi 106, 41125 Modena
Search for more papers by this authorMattia Martinelli
Dipartimento di Scienze dell'Ambiente e della Terra, Universita' degli Studi di Milano - Bicocca, Piazza della Scienza, 4, 20126 Milano
Search for more papers by this authorBook Editor(s):Andrea Bistacchi,
Matteo Massironi,
Sophie Viseur,
Andrea Bistacchi
Department of Environmental and Earth Sciences, University of Milano-Bicocca, Milan, Italy
Search for more papers by this authorMatteo Massironi
Department of Geosciences, University of Padua, Padua, Italy
Search for more papers by this authorSummary
Collecting quantitative and extensive datasets in the field is fundamental in structural geology, stratigraphy, and sedimentology, rock mechanics, and in other fields of the Earth and planetary sciences. Digital Outcrop Models (DOMs) provide a 3D framework for collecting these large datasets and can be obtained from laser scanning or photogrammetric surveys, carried out either with an avionic platform (airplane, helicopter, drone) or with terrestrial methods. In this chapter we review best-practice methods for collecting DOMs, focusing particularly on terrestrial and drone photogrammetric surveys and on critical issues that determine their efficiency, reliability, and accuracy. Then we compare the two main formats for DOMs: point clouds (PC-DOMs) and textured surfaces (TS-DOMs). Finally, we outline typical goals and workflows for the geological interpretation of DOMs on PC- and TS-DOMs, either from laser scanning or photogrammetric surveys.
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