A Case Study: Documentation Method with Close Range Photogrammetry of Muqarnas Which is to be an Ornamentation Type Specific to the Islamic Architecture

Karabörk, Hakan; Karasaka, Lütfiye; Yaldız, Esra

doi:10.1016/j.proeps.2015.08.032

Cited by 7 publications

(4 citation statements)

References 2 publications

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“…1c). In recent decades, the use of 3D modelling in plasterworks for the study of muqarnas (Agirbas & Yildiz, 2020;Garofalo, 2010;Maarouf & Zeid, 2019;Schuldes & Winckler, 2005) and the pavilions of the Courtyard of the Lions in the Alhambra has been addressed in order to analyse the levelling of their plasterwork (Ferrer Pérez Blanco, Gámiz Gordo, & Reinoso Gordo, 2019;Gámiz Gordo, Ferrer Pérez Blanco, & Reinoso Gordo, 2020) and get photogrammetric reconstruction (Karabörk, Karasaka, & Yaldız, 2015). As far as the RAS is concerned the new heritage digitization techniques have made it possible to carry out a virtual visit of the complex, based on data obtained from a terrestrial laser scanner (TLS) (360º Virtual Tour, 2022), and from the reconstruction hypotheses of the different buildings (Almagro Gorbea, 2007), as well as the models of small decorative elements in plaster obtained by photogrammetry (Torres-González et al, 2022).…”

Section: State Of the Artmentioning

confidence: 99%

Photogrammetric state of degradation assessment of decorative claddings: the plasterwork of the Maidens' Courtyard (The Royal Alcazar of Seville)

Torres‐González

Revuelta

Castillo

2023

Virtual Archaeol. Rev.

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Highlights: The photogrammetric survey demonstrates to be a potential tool in the preventive conservation of ancient plasterworks. The high-precision 3D model allows the study and quantification of alterations (e.g. fissures, deformations, and loss of mass or polychromies). The virtual model and the analysis performed with CloudCompare software provide fast, accurate and accessible results to experts in the field. Abstract: Previous studies and documentation about the state of conservation of architectural or decorative elements are crucial for heritage managers, technicians and researchers to succeed in the maintenance and preservation of the heritage. In this sense, hand tracings, digital drawings, or photographs have traditionally been the methods for alteration and sample mapping. In spite of their effectiveness, these methods have some disadvantages, such as the need for more precision in terms of location, dimensions, quantification and types of alterations. By contrast, high-resolution three-dimensional (3D) models allow us to analyse decorative ancient plasterworks with great precision, offering considerable advantages over traditional tools for heritage documentation. To facilitate stakeholders’ work and enhance the quality of data collected, this work proposes the use of photogrammetry as a tool for the documentation of polychromed ancient plasterworks, taking the upper frieze of the access door to the Charles V ceiling room in the Royal Alcazar of Seville as a case of study. Thus, the work methodology applied has shown several advantages over previous methods. On the one hand, it was possible to obtain a 2D planimetry from the 3D model; this is an essential step for those responsible for heritage, especially in reports prior to restoration interventions. On the other hand, the 3D model created enables present alterations identification, the location of fissures and cracks in their three dimensions (opening, length and depth), deformations measurement and control, the quantification of mass or polychrome loss, and the detached elements digital reconstruction. In this way, highprecision digital results are quickly obtained and accessible to all the experts involved in the heritage conservation and maintenance plan.

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Section: State Of the Artmentioning

confidence: 99%

Photogrammetric state of degradation assessment of decorative claddings: the plasterwork of the Maidens' Courtyard (The Royal Alcazar of Seville)

Torres‐González

Revuelta

Castillo

2023

Virtual Archaeol. Rev.

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“…Then, key points on flat projections have been identified and line drawings have been made on the muqarnas assembly contours and the internal main axes. A 3d model could have been obtained by photogrammetry from a series of photos with targets, which coordinates were known, but the accuracy would be equivalent, as shown in [31]. scanned through the 3 orthogonal spatial directions, the optimal scene is when the points equally expand the three spatial directions, and (c) percentage of points with a fitting error smaller than 6 mm.…”

Section: Images Rendered From 3d Scannersmentioning

confidence: 99%

Section: Images Rendered From 3d Scannersmentioning

confidence: 99%

The Pavilions at the Alhambra’s Court of the Lions: Graphic Analysis of Muqarnas

2020

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This research documents and graphically analyzes the pavilions muqarnas at the Court of the Lions in the Alhambra in Granada, a World Heritage Site. In order to cast some light on the understanding and preservation of these 14th century architectural elements, after a brief report of historical data on catastrophes and restorations, a novel methodology for the case study based on three complementary graphic analyses is presented here: First, there is a review of outstanding images ranging from the 17th to the 20th centuries; subsequently, new CAD (computer-aided design) drawings from pavilions muqarnas testing the theoretic principles from their geometric grouping are accomplished for the first time; and finally, a 3D laser scanner is used to understand the precise present-day state from the point cloud obtained. Comparing drawings allows us to assess the muqarnas relevance while proving, for the first time, that the muqarnas of both pavilions have distinct configurations and different amounts of pieces. Besides, this process reveals geometric deformations existing in the original Nasrid muqarnas compositions, identifying small pieces hitherto unknown, plus additional deformations resulting from adjustments after important threats that both pavilions and their muqarnas overcame for centuries, despite their fragile construction.

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“…It is possible to document by 3D modelling for difficult objects with the developments in software and computer technology. In this context, close range photogrammetry technique has been used as one of the most effective and efficient methods (Karabork et al, 2015). The aim of this study is to extract the transitional components to dome using close range photogrammetry technique.…”

Section: Introductionmentioning

confidence: 99%

Indoor Surveying With Terrestrial Photogrammetry: A Case Study for Sircali Masjid

Karasaka¹,

Karabörk²,

Makineci

et al. 2018

Scitech

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In this study, indoor 3D modeling study of Sırçalı Masjid in located in the Karatay district of Konya province was carried out by using the terrestrial photogrammetry method. The Masjid was built in the single-domed masjid type of Seljuk period. The single-domed masjid type is a type of building with square or rectangular base area. However, in order for the dome design to fit in to a square or rectangular sub-structure, a transitional element is needed. The Turkish Triangle was used as transition elements of facilitate the transition from a square-shaped sub-structure to a circular structure in Sırçalı Masjid. With this study, the dome transition elements, which are difficult to model in terms of classical architectural survey, have been modelled successfully by the terrestrial photogrammetry technique in a short time. It has also been proven that terrestrial photogrammetry can be used effectively in the indoor 3D modelling projects.

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A Case Study: Documentation Method with Close Range Photogrammetry of Muqarnas Which is to be an Ornamentation Type Specific to the Islamic Architecture

Cited by 7 publications

References 2 publications

Photogrammetric state of degradation assessment of decorative claddings: the plasterwork of the Maidens' Courtyard (The Royal Alcazar of Seville)

Photogrammetric state of degradation assessment of decorative claddings: the plasterwork of the Maidens' Courtyard (The Royal Alcazar of Seville)

The Pavilions at the Alhambra’s Court of the Lions: Graphic Analysis of Muqarnas

Indoor Surveying With Terrestrial Photogrammetry: A Case Study for Sircali Masjid

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