Abstract
Abstract. Conservation and preservation of heritage buildings require the knowledge and sharing of a great deal of data and information about buildings. Such information comes from the different disciplines involved in the restoration and maintenance processes. The integration and use of all this information in a single working environment is a key factor for the success of historical building conservation and management projects. Heritage (or Historic) Building Information Modelling (HBIM) is nowadays the most appropriate tool to collect and manage all data related to Architectural Heritage. The HBIM process requires an in-depth knowledge of the historical building that can be achieved using a detailed 3D survey and adequate parametric modelling. For this reason, the Scan-to-BIM approach, which involves creating the BIM model from a laser scanner survey, is widely used. The work focuses on the application of the Scan-to-BIM process to a historical/archaeological building in Palermo (Italy), the Castle of Maredolce. The work aims to obtain an HBIM of the building but the paper deals also with the survey issues and the modelling challenges, focusing on the different modelling approach between parametric and not-parametric architectural elements. The most difficult challenge of the modelling step was to obtain parametric objects of the complex geometries of the historical building. The work has allowed achieving the HBIM of the Castle of Maredolce and has highlighted some issues and advantages of the Scan-to-BIM approach.
Highlights
Projects for the restoration and maintenance of historical heritage buildings have to deal with the very relevant problem of data management
This study aims to apply the Scan-to-Building Information Modelling (BIM) methodology to a building of the historical-architectural heritage of the city of Palermo (Sicily, Italy), the Castle of Maredolce
At the end of the work, it is possible to evaluate the results of the Scan-to-BIM methodology, applied to the case study of the Castle of Maredolce
Summary
Projects for the restoration and maintenance of historical heritage buildings have to deal with the very relevant problem of data management. This study aims to apply the Scan-to-BIM methodology to a building of the historical-architectural heritage of the city of Palermo (Sicily, Italy), the Castle of Maredolce. The aim of the work is to obtain an HBIM of the building and to develop a workflow that, starting from the survey data, leads to a smart parametric model for the elements of the historic building. The main difficulty addressed during the process was the modelling of architectural elements that characterized the historical building, composed of complex shapes and unique geometries. The work has outlined the advantages and challenges of the application of HBIM methodology and has allowed the development of a workflow useful in the future as a start point for similar buildings (Arab-Norman architectures)
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