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    The photogrammetry method and 3D virtualization technology as a learning tool in the flipped classroom at COVID-19 time.

    • Autor
      Pérez-Ramos, Alejandro; Rodríguez-Ruiz, María DoloresAutoridad Universidad de Málaga; Bentabol-Manzanares, María JoséAutoridad Universidad de Málaga
    • Fecha
      2021-03
    • Editorial/Editor
      IATED Academy/I. Gómez Chova, A. López Martínez, I. Candel Torres
    • Palabras clave
      Fotogrametría - Estudios, ensayos, conferencias, etc.
    • Resumen
      From 2016-2017 academic year, The “Flipped Classroom” pedagogical methodology was launched in the Crystallography and Mineralogy subject of the Chemical degree in the University of Malaga (UMA). The application of the “Flipped Classroom” has increased the students’ participative, motivation, interest, responsibility and autonomy, as well as improvements in student learning. Unfortunately, the covid-19 pandemic situation encouraged the search to new tools or software to allow students to be able to carry out the practical classes about the stereographic projection of 3D crystallographic models at home. The aim of this contribution has been the virtualization of the 3D crystallographic models collection so that students could access them at home and carry out the practices of Crystallography and Mineralogy subject. For this purpose, a non-invasive, easy and cheap method was used, photogrammetry. The photogrammetry consists in obtained 3D model surface of an object from many two-dimensional (2D) photographs acquired from different points of views. Finally, the 3D virtual models obtained by photogrammetry technique and different virtualization software are being used on-site practices classes and provide the opportunity to the students to continue practicing in the stereographic projection from the 3D model of crystalline solids at home. Moreover, these interactive pdfs serve as material that can be evaluated by teacher, since they contain internal tools that enable the pdf to be able to make measurements, rotations, movements, etc, on the 3D virtual reconstruction, giving students an experience of physical reality. Moreover, the precision of the photogrammetry method has been calibrated and validated through the use of other higher precision technique such as surface laser scanner. The crystallographic objects have been obtained with a precision and detail that are within what is acceptable both for use in scientific research and for educational use for students.
    • URI
      https://hdl.handle.net/10630/21224
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    Abstract Preview.pdf (13.14Kb)
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