Abstract
There are several studies related to the cultural heritage digitization through HBIM (Heritage Building Information Modelling) techniques. Today, BIM (Building Information Modelling) software cannot represent old buildings with complex prominent and particularly detailed architecture perfectly, and multiple software are combined to obtain the buildings’ representation. In this paper, in order to find an alternative way of replicating the complex details present in antique buildings, a new methodology is presented. The methodology is based on a process of direct insertion of various 3D model parts (.obj), into a BIM environment. These 3D model elements, coming from the points cloud segmentation (from UAV and Laser Scanner), are transformed in intelligent objects and interconnected to form the smart model. The methodology allows to represent detail of the objects that make up an element of cultural heritage, although not standardizable in shape. Although this methodology allows to ensure a perfect reconstruction and digital preservation and to represent the different “defects” that represent and make unique a particular object of cultural heritage, it is not however fast compared with the traditional phases of point cloud tracing and more software are necessary for data processing. The proposed methodology was tested on two specific structures’ reconstruction in Reggio Calabria (South Italy): the Sant’Antonio Abate church and the Vitrioli’s portal.
Highlights
Throughout the years, cultural heritage in Italy has undergone numerous restoration and maintenance works; sometimes, without documenting the projects, making future restorations or maintenance a complex task (Dore and Murphy 2015).The chance to apply the BIM (Building Information Modelling) approach to historical buildings heritage (HBIM) is an interesting challenge in the management/valuation of the buildings and their 3D modelling.HBIM allows to represent historical buildings in a digital environment, satisfying all the updatable documentation inThe surveying of the existent cultural heritage requires a first phase to acquire geometric information useful to plan the restoration work.The cultural heritage buildings are unique thank to the friezes and particular “construction faultiness’s presence”, so, an accurate modelling requires the importation of all these details into a digital model
The logic process for the BIM building is different from what is present in literature and it allows to represent the different “defects” that make unique a particular cultural heritage’s object, ensuring its perfect reconstruction and digital preservation; it does not appear to be fast compared with the traditional phases of point cloud tracing
BIM is a process that leads to the creation and management, in all its parts, of a digital model representing construction project, which contains all the information regarding its characteristics
Summary
Throughout the years, cultural heritage in Italy has undergone numerous restoration and maintenance works; sometimes, without documenting the projects, making future restorations or maintenance a complex task (Dore and Murphy 2015). In order to solve the highlighted issue, a new methodology is proposed It is based on a process of inserting 3D model parts into a BIM environment (.obj), transforming them into intelligent objects which are interconnected to create the smart model. This methodology was applied on two cultural heritage sites, situated in Reggio Calabria (a town in the south of Italy): the St. Anthony Abate church and one of the last structures of the ancient city and Vitrioli house portal that has been restored several times. The logic process for the BIM building is different from what is present in literature and it allows to represent the different “defects” that make unique a particular cultural heritage’s object, ensuring its perfect reconstruction and digital preservation; it does not appear to be fast compared with the traditional phases of point cloud tracing
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