A New Extended Perspective System for Architectural Drawings

Correia, José Henrique Duarte; Romão, Luís; Rosado, S.; Costa, Manuel Couceiro da; Guerreiro, Ana Santos; Henriques, Diogo; Garcia, Sara; Albuquerque, Carlos; Carmo, Maria Beatriz; Cláudio, Ana Paula; Chambel, Teresa; Burgess, Robin; Marques, Christian

doi:10.1007/978-3-642-38974-0_6

Cited by 6 publications

(6 citation statements)

References 11 publications

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“…Each spherical perspective, although it holds the same visual information and would generate the same anamorphosis, holds its own visual characteristics and artistic possibilities as a drawing type. These visual characteristics hold all sort of representational and expressive possibilities that have been explored in traditional media (Barre and Flocon 1968;Casas 1983;Moose 1986;Michel 2013;Araújo 2019b) as well as in purely digital visualizations (Correia et al 2013), and are more and more being investigated as hybrid immersive media (Araújo et al 2019a;Olivero and Sucurado 2019), a mode of artistic expression that allows handmade drawings to be visualized through immersive, digital means.…”

Section: Spherical Perspectivesmentioning

confidence: 99%

“…Barnard (1983) saw it as a natural setting for the algorithmic interpretation of perspective images. In (Correia et al 2013;Correia and Romão 2007) a two-step process of projection onto a curvilinear surface followed by a plane representation is used for free-form wide-view visualization of architecture. As the surfaces in question can be deformed homeomorphically onto the sphere, this is analogous to the method considered here.…”

Section: Introductionmentioning

confidence: 99%

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Anamorphosis Reformed: From Optical Illusions to Immersive Perspectives

Araújo¹

2021

Handbook of the Mathematics of the Arts and Sciences

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We discuss a definition of conical anamorphosis that sets it at the foundation of both classical and curvilinear perspectives. In this view, anamorphosis is an equivalence relation between three-dimensional objects, which includes twodimensional representatives, not necessarily flat. Vanishing points are defined in a canonical way that is maximally symmetric, with exactly two vanishing points for every line. The definition of the vanishing set works at the level of anamorphosis, before perspective is defined, with no need for a projection surface. Finally, perspective is defined as a flat representation of the visual data in the anamorphosis. This schema applies to both linear and curvilinear perspectives, and is naturally adapted to immersive perspectives, such as the spherical perspectives. Mathematically, the view here presented is that the sphere and not the projective plane is the natural manifold of visual data up to anamorphic equivalence. We consider how this notion of anamorphosis may help to dispel some long standing philosophical misconceptions regarding the nature of perspective.

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Section: Spherical Perspectivesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Anamorphosis Reformed: From Optical Illusions to Immersive Perspectives

Araújo¹

2021

Handbook of the Mathematics of the Arts and Sciences

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“…Selling the project is a fundamental task in architectural practice nowadays and allowing the client to experience that project, beyond the typical 2D representations, is an important step to achieving it. Digitally generated images offer "visual experiences" (Correia et al, 2013) of yet unbuilt projects, giving the viewer a better perception of how the spaces will be. Hence, clients are now ever more eager for this kind of representation methods.…”

Section: Analysis and Applications Of Theo Jansen's Linkage Mechanismmentioning

confidence: 99%

“…These visualizations, commonly denominated as renders, may consist of isolated pictures, or sequences of images. When intending to mimic the experience one would have in a built space, a dynamic perception serves the purpose far better than an imitation of a static gaze (Correia et al, 2013). Thus, an architectural visualization package should include, not only static image sets, but also animations of the projects, rendered films that can give life to the unbuilt architectural creation (Ng, Schnabel and Kvan, 2006).…”

Section: Analysis and Applications Of Theo Jansen's Linkage Mechanismmentioning

confidence: 99%

Proceedings of the 26th Conference on Computer Aided Architectural Design Research in Asia (CAADRIA) [Volume 2]

2021

CAADRIA Proceedings

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“…Figure19. Lack of interest to physically explore the depthless pavilion might have roots in lack of interest in optical illusions, applied to architecture structures.…”

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confidence: 99%

Optically illusive architecture (OIA): Introduction and evaluation using virtual reality

Hosseini

Alim

Oehlberg

et al. 2021

International Journal of Architectural Computing

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Architects and designers communicate their ideas within a range of representational methods. No single instance of these methods, either in the form of orthographic projections or perspectival representation, can address all questions regarding the design, but as a whole, they demonstrate a comprehensive range of information about the building or object they intend to represent. This explicates an inevitable degree of deficiency in representation, regardless of its type. In addition, perspective-based optical illusions manipulate our spatial perception by deliberately misrepresenting the reality. In this regard, they are not new concepts to architectural representation. As a consequence, Optically Illusive Architecture (OIA) is proposed, not as a solution to fill the gap between the representing and represented spaces, but as a design paradigm whose concept derives from and accounts for this gap. By OIA we aim to cast light to an undeniable role of viewpoints in designing architectural spaces. The idea is to establish a methodology in a way that the deficiency of current representational techniques—manifested as specific thread of optical illusions—flourishes into thoughtful results embodied as actual architectural spaces. Within our design paradigm, we define a framework to be able to effectively analyze its precedents, generate new space, and evaluate their efficiencies. Moreover, the framework raises a hierarchical set of questions to differentiate OIA from a visual gimmick. Furthermore, we study two OIA-driven environments, by conducting empirical studies using Virtual Reality (VR). These studies bear essential information, in terms of design performance, and the public’s ability to engage and interact with an OIA space, prior to the actual fabrication of the structures.

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A New Extended Perspective System for Architectural Drawings

Cited by 6 publications

References 11 publications

Anamorphosis Reformed: From Optical Illusions to Immersive Perspectives

Anamorphosis Reformed: From Optical Illusions to Immersive Perspectives

Proceedings of the 26th Conference on Computer Aided Architectural Design Research in Asia (CAADRIA) [Volume 2]

Optically illusive architecture (OIA): Introduction and evaluation using virtual reality

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