La cinta muraria di Hierapolis di Frigia: il geodatabase dei materiali di reimpiego come strumento di ricerca e conoscenza del monumento e della città

Immacolata Ditaranto, Giacomo Di Giacomo, Giuseppe Scardozzi, Laura Castrianni

«Archeologia e Calcolatori» 2010, 21, 93-126

Abstract

Despite the impressiveness of its remains, until 2008 the city walls of Hierapolis of Phrygia (4th century AD) were one of the lesser known monuments of the city. The preserved and reconstructed remains of the fortifications are about 2.1 km long and are characterized by the systematic reuse of many blocks and architectural materials from necropolises and monuments that were demolished at the time of the construction of the walls. The study and the topographical survey (using a differential GPS) of the city walls were employed along with the analysis and centimetric positioning of all the main reused architectural elements (1142 items), i.e. those which are easier to recognize and to trace back to the buildings from which they came. The fieldwork was carried out using a Tablet PC and a specially developed computer schedule to record the characteristics of the recycled materials and their location. The data were uploaded into a dedicated and specially developed geodatabase, aimed at managing information related to the heterogeneous materials reused, integrating the intrinsic characteristics of objects and their positions. In the geodatabase, every architectural element was catalogued so that spatial queries could be made to identify the existence of homogeneous materials and determine their positions along the walls; they are also correlated with their monuments of origin when this information is available.

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