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In order to handle more efficiently projects of restoration, documentation and maintenance of historical buildings, it is essential\udto rely on a 3D enriched model for the building. Today, the concept of Building Information Modelling (BIM) is widely adopted\udfor the semantization of digital mockups and few research focused on the value of this concept in the field of cultural heritage.\udIn addition historical buildings are already built, so it is necessary to develop a performing approach, based on a first step of\udbuilding survey, to develop a semantically enriched digital model. For these reasons, this paper focuses on this chain starting\udwith a point cloud and leading to the well-structured final BIM; and proposes an analysis and a survey of existing approaches\udon the topics of: acquisition, segmentation and BIM creation. It also, presents a critical analysis on the application of this chain\udin the field of cultural heritage

the international archives of the photogrammetry, remote sensing and spatial information sciences/international archives of the photogrammetry, remote sensing and spatial information sciences

FROM POINT CLOUD TO BIM: A SURVEY OF EXISTING APPROACHES