New Drawings of the Alhambra: Deformations of Muqarnas in the Pendentives of the Sala de la Barca

Ferrer-Pérez-Blanco, Ignacio; Gámiz-Gordo, Antonio; Gordo, Juan F. Reinoso

doi:10.3390/su11020316

Cited by 15 publications

(11 citation statements)

References 7 publications

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“…Maarouf and Zeid [172] formulated a parametric generative process for several new muqarnas in linear or polar arraying directions. Ferrer-Pérez-Blanco et al [173] provided a laser scanner to capture new drawings of the muqarnas, accurate plans, and elevations for the first time and documented the muqarnas' complex shapes from the fourteenth century. Dinçer and Yazar [174] compared different case studies for the digital modeling of muqarnas systems in which variations were developed by element-based, tessellation-based, and block-based workflow.…”

Section: Aesthetic-based; Generation Methods and Variationsmentioning

confidence: 99%

Application-based principles of islamic geometric patterns; state-of-the-art, and future trends in computer science/technologies: a review

Azari

Bemanian²,

Mahdavinejad³

et al. 2023

Herit Sci

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Currently, there is a tendency to use Islamic Geometric Patterns (IGPs) as important identities and cultural elements of building design in the Middle East. Despite high demand, lack of information about the potential of IGPs principles have led to formal inspiration in the design of existing buildings. Many research studies have been carried out on the principles of IGPs. However, comprehensive studies relating to new possibilities, such as structure-based, sustainable-based, and aesthetic-based purposes, developed by computer science and related technologies, are relatively rare. This article reviews the state-of-the-art knowledge of IGPs, provides a survey of the main principles, presents the status quo, and identifies gaps in recent research directions. Finally, future prospects are discussed by focussing on different aspects of the principles in accordance with collected evidence obtained during the review process.

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Section: Aesthetic-based; Generation Methods and Variationsmentioning

confidence: 99%

Application-based principles of islamic geometric patterns; state-of-the-art, and future trends in computer science/technologies: a review

Azari

Bemanian²,

Mahdavinejad³

et al. 2023

Herit Sci

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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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“…Data were taken prior to the intervention using the point cloud provided by the technique used, and the data are reflected in a graphic representation of different sections that allow us to analyse both the dimensions of the different construction systems and the deformations and displacements produced [14,36], in the arches-nerves as well as in the vaulting-plementeries.…”

Section: Description Of the Different Stages Considered In The Benchmarking Studymentioning

confidence: 99%

Advances in the Restoration of Buildings with LIDAR Technology and 3D Reconstruction: Forged and Vaults of the Refectory of Santo Domingo de Orihuela (16th Century)

et al. 2021

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This research presents a new intervention methodology on arches and vaults of a Renaissance factory in the Colegio Santo Domingo de Orihuela (16th century) using 3D software LIDAR technology that verifies the execution process of the works studying the different charges states and structure behavior. This document aims to explain a working methodology in the monitoring of structural repair interventions in the architectural heritage, in the specific case of the replacement of traditional one-way timber joist frame slabs on structures of former, splay and groin arches between vaults. This involves the compilation and processing of two types of data: on the one hand, the analysis of the different load states to which the intervention is exposed in its different phases: initial, dismantling of the different layers of traditional construction and replacement by the new structural system; and, on the other hand, the graphic information provided by the photogrammetry techniques used to dimension and define the spatial position of the structural elements that have historically resolved the covering of the architectural space in this type of Renaissance solution. The different layers and demolished materials have been verified by analysing their constructive disposition, thicknesses, and dimensions of the elements that formed part of the initial construction system and their own weights. In addition, the new construction systems used in the restoration project generate a state of loads similar to the existing one. The LIDAR technology used in the research process provides graphic data of the spatial position of the arches and vaults studied in the different states of the construction intervention. The point clouds obtained are analysed by taking as reference fixed points (considered unalterable and infinitely rigid) of the refectory and the coordinates of the initial and final states are compared. The results show minimal variations between the two positions, which justifies the goodness of the construction methods used and the structural safety obtained in the complex. This methodology applied to arches and vaults in heritage architecture guarantees the control and recording of the movements produced in the process.

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New Drawings of the Alhambra: Deformations of Muqarnas in the Pendentives of the Sala de la Barca

Cited by 15 publications

References 7 publications

Application-based principles of islamic geometric patterns; state-of-the-art, and future trends in computer science/technologies: a review

Application-based principles of islamic geometric patterns; state-of-the-art, and future trends in computer science/technologies: a review

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

Advances in the Restoration of Buildings with LIDAR Technology and 3D Reconstruction: Forged and Vaults of the Refectory of Santo Domingo de Orihuela (16th Century)

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