Abstract
Abstract. The Cultural Heritage disappears at a rate higher than we are able, not only, to restore but also to document: human and natural factors, negligence or worst, deliberate demolitions put in danger the collective Architectural Heritage (AH). According to CIPA statements, the recording is important and has to follow some guidelines. The Architectural and Urban Heritage data have to be historically related, critically assessed and analyzed, before to be organized according to a thematic structure and become available for further uses. This paper shows the experiences developed by the Laboratory of Computer Graphics applied to Architecture and Design (LCAD), at the Architecture School of the Federal University of Bahia (FAUFBA), Brazil, in cooperation with the Università Politecnica delle Marche (UNIVPM, DICEA Department), Italy, in documenting architectural heritage. The research set up now has been carried out in the historical sites of Bahia, as Pelourinho neighborhood, a World Heritage by UNESCO. Other historical sites are in the plan of this survey, like the cities of Lençóis and Mucugê in Chapada Diamantina region. The aim is to build a technological platform based on low cost digital technologies and open source tools, such as Panoramic Spherical Photogrammetry, Spatial Database, Geographic Information Systems, Three-dimensional Geometric Modeling, CAD technology, for the collection, validation and dissemination of AH.
Highlights
Besides the more obvious applications in conservation and restoration of the buildings, the architectural documentation plays a vital role in preserving the memory of this heritage
An initiative latest (2004) promoted by the Laboratory of Computer Graphics applied to Architecture and Design (LCAD), at the Architecture School of the Federal University of Bahia (FAUFBA), seeks to build this database using several technologies like digital Photogrammetry, digital Cartography, Spatial Database, Geographic Information Systems, three-dimensional geometric Modeling, CAD technology and 3D Laser scanning technology (Amorim, 2011)
In addition to its great potential for visual exploration of monuments and historic sites, the sense of immersion that this kind of resource provides combining a high level of detail and realism, the panorama can be used as a powerful interface to show multimedia data related to the displayed objects in the scene
Summary
Besides the more obvious applications in conservation and restoration of the buildings, the architectural documentation plays a vital role in preserving the memory of this heritage. In order to protect them against the all kinds of risks, even natural hazards, preserving the memory of Bahia’s Cultural Heritage, it is necessary a huge effort to elaborate a complete and detailed digital multimedia data base of Bahia’s Architectural Heritage In this sense, an initiative latest (2004) promoted by the Laboratory of Computer Graphics applied to Architecture and Design (LCAD), at the Architecture School of the Federal University of Bahia (FAUFBA), seeks to build this database using several technologies like digital Photogrammetry, digital Cartography, Spatial Database, Geographic Information Systems, three-dimensional geometric Modeling, CAD technology and 3D Laser scanning technology (Amorim, 2011). A wider field of view allows the operator to get closer to the object and resulting in a larger photo scale
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