Web BIM3D

Web BIM3DSG is an ad hoc system created for Cultural Heritage applications, as the BIM commercial software are not yet capable to handle completely the unicity and the complexity of the objects belonging to this field and described by three-dimensional models. In the knowledge process, these represent a great opportunity to visualize, monitor, conserve and valorise an architectonical and historical building, statue, site, etc. For this reason, Web BIM3D is born: to give voice to the high definition and complex models, which otherwise would be mute and incapable to communicate their history, health state and geometrical data. The aim is to deal with these digital products with the spread and sharing of the information in order to help the maintenance and the conservation of the Cultural Heritage.

It is all possible using a simple platform, intuitive and accessible to everyone: a common web browser that does not require any learning effort or new software installation. Besides, thanks to the touch interface, it can be visualized in any device with an internet connection, making it easy to use even on tablets and interactive stations, e.g. inside a museum or in an archaeological area.

 FEATURES:

1) LOADING, VISUALIZATION AND USE OF THE MODELS IN A COMMON WEB BROWSER, SELECTING THE LEVEL OF DETAIL (LOD) DESIRED

2)  MANAGEMENT OF THE INFORMATION SYSTEM, WITH THE POSSIBILITY TO LOAD ANY TYPE OF DATA 

3) MAINTENANCE ACTIVITIES 

   4) MOBILITY

UNESCO SACRI MONTI

Nowadays, the researchers in Cultural Heritage fields investigate more and more about advanced conservation strategies that comprehend the possibility to share and use 3D models and structured information related to them. One of the modern method adopted to achieve this goal is to use structured web-platform. These are online systems that can handle data, created to contain and support precise information. They simultaneously respond to the need for a common ground for different expert users and of a unique tool where to store several kinds of data, coming from heterogeneous sources. The research aims to show how it is possible to build a valid tool for the conservation and monitoring activities of CH, following the national and international legislation and the specific needs of the application field. In particular, it deepens the criteria to build a 3D model that has to link a database of information, specifying the logic behind it. In the same way, it will show how to structure a database collaborating with the local institutions and experts, following the real needs of the site. The benefit is that this kind of tools gives to the multi-disciplinary works and projects a shared environment for storing and view a different type of data. They can help both the access intended to the conservation activities and both they can open to the public. The application field is the Sacri Monti circuit, which is part of the UNESCO World Heritage List since 2003.

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Tommasi C, Achille C, Fanzini D, Fassi F. Advanced Digital Technologies for the Conservation and Valorisation of the UNESCO Sacri Monti. In: Digital Transformation of the Design, Construction and Management Processes of the Built Environment. Springer International Publishing; 2019:379-389. doi:10.1007/978-3-030-33570-0_34

Tommasi C, Fiorillo F, Jiménez Fernández-Palacios B, Achille C. ACCESS AND WEB-SHARING OF 3D DIGITAL DOCUMENTATION OF ENVIRONMENTAL AND ARCHITECTURAL HERITAGE. Int Arch Photogramm Remote Sens Spatial Inf Sci. Published online January 31, 2019:707-714. doi:10.5194/isprs-archives-xlii-2-w9-707-2019

Achille C, Tommasi C, Rechichi F, Fassi F, De Filippis E. TOWARDS AN ADVANCED CONSERVATION STRATEGY: A STRUCTURED DATABASE FOR SHARING 3D DOCUMENTATION BETWEEN EXPERT USERS. Int Arch Photogramm Remote Sens Spatial Inf Sci. Published online August 19, 2019:9-16. doi:10.5194/isprs-archives-xlii-2-w15-9-2019

Tommasi, C. (2020). Interdisciplinary digital processes to support the valorisation of Cultural Heritage. The UNESCO Sacri Monti application field. PhD Thesis in Architecture, Building environment, and Construction engineering, XXXII° cycle, Politecnico di Milano. http://hdl.handle.net/10589/152202

DUOMO DI MILANO

The study case was the research activities conducted on the main spire of the Milan’s Cathedral that have led to creation of a huge three-dimensional model of the spire characterized in great detail and high complexity. Initially the aim of the job was to build a 3D complete model of the spire in order to extract all feasible measures useful for the restoration site, but the feeling was that a complex and complete 3D model can give more. For this reason that job was concluded by asking the question: “A huge 3D model: what does it for?” (Fassi et al., 2011). The efforts of these last years were addressed in developing a sort of BIM system working on the web that would allow the use of the three-dimensional models during facility managements, supporting both the filed activities on the yard and the design and data updating in the technical offices (Fassi, 2012).

PIETÀ RONDANINI – SMART CULTURE PROJECT

In the recent years, mature technologies for producing high quality virtual 3D replicas of Cultural Heritage (CH) artefacts has grown thanks to the progress of Information Technologies (IT) tools. These methods are an efficient way to present digital models that can be used with several scopes: heritage managing, support to conservation, virtual restoration, reconstruction and colouring, art cataloguing and visual communication. The work presented is an emblematic case of study oriented to the preventive conservation through monitoring activities, using different acquisition methods and instruments. It was developed inside a project founded by Lombardy Region, Italy, called “Smart Culture”, which was aimed to realise a platform that gave the users the possibility to easily access to the CH artefacts, using as an example a very famous statue. The final product is a 3D reality-based model that contains a lot of information inside it, and that can be consulted through a common web browser. In the end, it was possible to define the general strategies oriented to the maintenance and the valorisation of CH artefacts, which, in this specific case, must consider the integration of different techniques and competencies, to obtain a complete, accurate and continuative monitoring of the statue.

Mandelli, A., Achille, C., Tommasi, C., Fassi, F. (2017). INTEGRATION OF 3D MODELS AND DIAGNOSTIC ANALYSES THROUGH A CONSERVATION-ORIENTED INFORMATION SYSTEM. ISPRS – International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. XLII-2/W5. 497-504. 10.5194/isprs-archives-XLII-2-W5-497-2017.

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