Abstract
In recent years, the application of geomatics tools in archaeology has proved to be very useful to obtain meaningful knowledge of the 3D reconstruction of archaeological remains and semantic classification of the 3D surface. These techniques have proven to be an effective solution for the 3D modeling and the extraction of many spatial features on an archaeological site. However, novel methodologies as well as new data exploitation strategies are required to exploit these geospatial data for natural and cultural heritage documentation, monitoring, and preservation. In this paper, we have studied unique archaeological ruins, a Mozarab church in Al-Andalus, using high-resolution RGB images, which was taken by a drone. Thus, a 3D reconstruction of the ruins and the surrounding environment is carried out in order to characterize it on a dense point cloud. Then, a digital elevation model (DEM) was calculated in order to identify critical slope lines, which are significant to determine where the structure of the church was built. Our results can be used for the development of an architectural project and thus a virtual recreation of these archaeological ruins was performed.
Highlights
At the end of the 9th century, Umar ibn Hafsun rose up against Cordoba’s emirate and set up its capital in the ruins of an old Roman castle in Bobastro, near Ardales (Malaga)
Geomatics offers a wide variety of new tools that are changing the way of working in many disciplines, archaeology being one of them
The fusion of technologies such as sensors integrated in Unmanned Aerial Systems (UASs), photogrammetry, GNSS, and GIS tools has been used in this paper in order to obtain a 3D reconstruction of archaeological remains
Summary
At the end of the 9th century, Umar ibn Hafsun rose up against Cordoba’s emirate and set up its capital in the ruins of an old Roman castle in Bobastro, near Ardales (Malaga). Umar ibn Hafsun converted to Christianity around 899, gaining the support of the Mozarabs, which are Iberian Christians who lived under the Moorish rule in Al-Andalus, Malaga’s population and maybe with the purpose of getting help from Alphonse III. This decision was the beginning of his end, since most of his followers, Berbers, and Muladis who stayed faithful to Islam turned their backs on him. In 912, Abd al-Rah. man III became emir and decided to pacify al-Andalus He attacked Bobastro in an expedition where he was able to conquer more than 70 fortresses. The only remains of this uprising are the ruins of a Moorish fortress, a Muslim necropolis, and the only Mozarab church in Al-Andalus
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