CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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_id acadia10_125
id acadia10_125
authors Andersen, Paul; Salomon, David
year 2010
title The Pattern That Connects
source ACADIA 10: LIFE in:formation, On Responsive Information and Variations in Architecture [Proceedings of the 30th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-1-4507-3471-4] New York 21-24 October, 2010), pp. 125-132
summary While patterns have a spotty history in architecture, their definitions and uses in other fields offer new possibilities for design. This paper examines those definitions and uses—including theories put forward by architectural theorist, Christopher Alexander; art educator, Gyorgy Kepes; chemist, Ilya Prigogine; and anthropologist, Gregory Bateson. Of particular interest is the shift from eternal, essential, universal, and fundamental patterns to fleeting, superficial, specific, and incidental versions. While endemic to many contemporary architectural practices, this multifaceted view of patterns was anticipated by Bateson, who saw them as agents of evolution and learning. His desire to combine redundancy and noise offers architects new ways to understand patterns and use them to link form and information, matter and thought.
keywords pattern, Bateson, evolution, noise, redundancy, feedback
series ACADIA
type normal paper
last changed 2010/11/10 06:27

_id cc3e
authors Bloom, Gregory L.
year 1982
title Solving Architectural and Engineering Problems with CADD: Some Guidelines in Choosing the Right System
source computer Graphics News. September/October 1982. [3] p
summary To be useful, a CAD system intended for architectural engineering work must have a number of characteristics in addition to appropriate hardware or software. The article discusses some of these guidelines
keywords CAD, engineering, architecture, practice
series CADline
last changed 2003/06/02 11:58

_id 2a12
authors Burry, Mark and More, Gregory
year 1998
title Representation, Realism and Computer Generated Architectural Animation
source Cyber-Real Design [Conference Proceedings / ISBN 83-905377-2-9] Bialystock (Poland), 23-25 April 1998, pp. 241-249
summary This paper documents a simple architectural form which, but for computer generated animation, has no ready alternative explanatory process for its complex generation. The subject is a column in the nave of the Sagrada Familia Church in Barcelona conceived by Gaudí at the beginning of this century without the contemporary opportunities for animated design exploration. The column is based on a set of counter-rotating mutually interfering profiles. As the column gains height, the profiles increase in interference with each other resulting in an increasingly fluted cross section, a tendency towards the Doric Order. For most, however, there is no easy access to a plausible explanation of the inherent rationale for the column. Animating the generation of the column reveals a unique and concealed sublimation of natural patterns of growth. Animation aids an understanding of the effect of the fourth dimension on design itself by releasing a meaning of time from an otherwise inanimate object. Here animation is used to decipher one aspect of the mystery of Gaudí's design while strengthening another: the source and conceptual power of Gaudí to anticipate this phenomenon. Rather than trivialising this design mystery, the explanatory role of the animation enriches comprehension of the formal concept of mutation through displacement or an evolutionary design paradigm. The paper discuss the implications of this ability to show transition, translation and dislocation without delving too deeply into how the animation was made, nor indeed the subject which, after all, requires animation to fully represent its less tangible qualities.
series plCAD
last changed 2003/05/17 08:01

_id ga0108
id ga0108
authors Caicco, Gregory P.
year 2001
title Cunning Crafts or Poetic Place-Making? Towards a Historiography of Generative Art
source International Conference on Generative Art
summary This paper begins by considering the meaning and relationship between generativity and art. From there an historical analysis of these terms maps out the philosophical terrain of generative art in practice and theory. It is hypothesized that the degree to which a generativity, or birthing, may be understood as inherent in art understood as a poetic making, is the degree to which the term generative becomes a redundant qualifier of the term art. An argument is then made that art and art-making as a poetic production has an ethical vocation to critique its sources and its media in order to imagine worlds where the marginalized other, as other, is received. As a result, the unqualified adoption of computer, machine, biologicalor chemical media, as well as the mathematic or pragmatic instructions that define the execution of their works, needs to be questioned.I conclude with an historiographical examination of the Babylonian abacus and the medieval ars memoritiva, in particular, Ramon Lull’s 1274 figura universalis. Even though computing historians have claimed these as proto-computers, a deeper examination of their meaning, use and context reveal a fundamentally mimetic vocation that provides the possibility of poetic place-making, as an ethics, which is otherwise absent in thecontemporary microprocessor. The question is therefore raised whether the works presented at “generative art” galleries, websites and conferences such as this may make any claim to poetry, ethics or art per se if their use of mathematics and automation remains uncritical.
series other
last changed 2003/08/07 15:25

_id 4df6
authors Cohen, Elaine and Riesenfeld, Richard F.
year 1978
title An Incompatibility Projector Based on an Interpolant of Gregory
source computer Graphics and Image Processing. 1978. vol. 8: pp. 294-298. includes bibliography
summary This paper develops an 'incompatibility Projector' Qm, which is an intrinsically bivariate projector that is not the composition of two univariate projectors. Then it employs Qm to manifest a recent rational interpolant due to Gregory in projector form as a triple Boolean sum. This creates a mold for additional compatibility projectors which yield interpolants to functions that do not meet the ordinary compatibility constraints required for Boolean sum interpolation
keywords algorithms, computational geometry, curves, curved surfaces, mathematics, theory
series CADline
last changed 2003/06/02 08:24

_id ijac20097304
id ijac20097304
authors Datta, Sambit; Hanafin, Stuart; Pitts, Gregory
year 2009
title Experiments with stochastic processes: Facade subdivision based on wind motion
source International Journal of Architectural Computing vol. 7 - no. 3, 389-402
summary Constraint based tools for architectural design exploration need to satisfy aesthetic and functional criteria as well as combine discrete and continuous modes of exploration. In this paper, we examine the possibilities for stochastic processes in design space exploration. Specifically, we address the application of a stochastic wind motion model to the subdivision of an external building envelope into smaller discrete components. Instead of deterministic subdivision constraints, we introduce explicit uncertainty into the system of subdivision. To address these aims, we develop a model of stochastic wind motion; create a subdivision scheme that is governed by the wind model and explore a design space of a façade subdivision problem. A discrete version of the façade, composed of light strips and panels, based on the bamboo elements deformed by continuous wind motion, is developed. The results of the experiments are presented in the paper.
series journal
last changed 2009/10/20 06:02

_id a4cc
authors Hunter, Gregory M. and Steiglitz, Kenneth
year 1979
title Operations on Images Using Quad Trees
source IEEE Transactions on Pattern Analysis and Machine Intelligence. April, 1979. vol. PAMI-1: pp. 145-153 : ill. includes bibliography
summary A quad tree for representing a picture is a tree in which successively deeper levels represent successively finer subdivisions of picture area. An algorithm is given for superposing N quad trees in time proportional to the total number of nodes in the trees. Warnock-type algorithms are then presented for building the quad tree for the picture of the boundary of a polygon, and for coloring the interior of such a polygon. These algorithms take O(v + p + q) time, where v is the number of polygon vertices, p is the polygon perimeter, and q is a resolution parameter. When the resolution q is fixed, these algorithms are asymptotically optimal
keywords GIS, mapping, CAD, layout, pattern recognition, polyhedra, quadtree, planning, image processing, computer graphics
series CADline
last changed 2003/06/02 11:58

_id b947
authors Kangari, R. and Gregory, R.
year 1997
title Feasibility of automating military's environmental operations
source Automation in Construction 5 (6) (1997) pp. 459-468
summary This paper focuses on analyses of the feasibility of telerobotic and autonomous systems in hazardous environments. The hazardous environments are divided into three missions: area clearance, removal of unexploded ordnance, and hazardous waste removal. This paper identifies the factors impacting military's missions on various operating systems. Then, a decision support system based on fuzzy logic is developed for studying these factors to determine the feasibility of automating military's environmental restoration operations. The last part of the paper provides a set of recommendations for technology policy development.
series journal paper
last changed 2003/05/15 19:22

_id ecaade2017_274
id ecaade2017_274
authors Lanham, Thomas, Shaifa, Irvin, Poustinchi, Ebrahim and Luhan, Gregory
year 2017
title Craft and Digital Consequences - Micro-Hybrid Explorations at (Full) Scale
source Fioravanti, A, Cursi, S, Elahmar, S, Gargaro, S, Loffreda, G, Novembri, G, Trento, A (eds.), ShoCK! - Sharing Computational Knowledge! - Proceedings of the 35th eCAADe Conference - Volume 2, Sapienza University of Rome, Rome, Italy, 20-22 September 2017, pp. 327-336
summary This paper presents a comprehensive project-based research investigation that uses both drawing and modeling to challenge conventional design space. Situated at the University of Kentucky-College of Design Applied Computation Center (CoDACC) in Lexington, KY, this independent undergraduate research project reveals an immersive framework that develops, evaluates, and assesses both graphic and three-dimensional information at full scale. This research provides a framework that seamlessly negotiates analog and digital means of communication and prototyping. This paper outlines the micro-hybrid design process to frame topics germane to today's increasingly complex built environment. The paper also includes the micro-hybrid decision-making matrix and discusses the evaluation of the produced artifacts. The research demonstrates how the micro-hybrid process can reveal both the craft and consequences related to design experimentation and construction. Further, the micro-hybrid process has been shown to deepen a student's understanding of the composition of materials and a student's awareness of forces and structural loads, which in turn has produced a deeper appreciation for the principles of structures and an improved mastery of manufacturing jointing details.
keywords Digital; Pedagogy; Fabrication; Experimentation; Simulation
series eCAADe
last changed 2017/09/13 13:31

_id acadia03_016
id acadia03_016
authors Luhan, Gregory A.
year 2003
title Digital Curricula: Effective Integration of Digital Courses. Stitched-spaces and Digital Permutations
source Connecting >> Crossroads of Digital Discourse [Proceedings of the 2003 Annual Conference of the Association for Computer Aided Design In Architecture / ISBN 1-880250-12-8] Indianapolis (Indiana) 24-27 October 2003, pp. 128-129
summary If, “the purpose of art is to awaken reality” as Paul Klee writes, what then, is the generative purpose of the digital as it relates to architecture? By uniting the traditional ways of knowing with the more contemporary and technologically advanced ways of knowing, the architect then would be able to develop the capacity to visualize and to understand unseen spatial relationships and exploit their latent characteristics. The computer consequently allows a direct synthesis to occur between the original idea and its formal application, in a sense providing new questions to old answers.
series ACADIA
last changed 2003/10/30 15:20

_id acadia06_000
id acadia06_000
authors Luhan, Gregory A., Anzalone, P., Cabrinha, M., Clarke, C. (eds.)
year 2006
title Synthetic Landscapes
source Proceedings of the 25th Annual Conference of the Association for Computer-Aided Design in Architecture, Louisville, KY USA, 12-15 October 2006/ ISBN 0-9789463-0-8, Library of Congress Control Number 2006934211
series ACADIA
last changed 2006/09/11 16:09

_id sigradi2005_133
id sigradi2005_133
authors Luhan, Gregory A.
year 2005
title From art to part | DL-1_Resonance house®
source SIGraDi 2005 - [Proceedings of the 9th Iberoamerican Congress of Digital Graphics] Lima - Peru 21-24 november 2005, vol. 1, pp. 133-138
summary Moving from digital models and physical stereo lithographic models to hand-fabrication and digital assembly allowed the students to move from creation to completion. As part of our holistic design process, the studio fabricated almost all components for the project. These elements include the wood flooring and cantilevered staircase, the copper and wood skins, the building’s structural panels, and the two-story light vortex. This project—a single-family, in-fill house located within an historic downtown neighborhood—is subject to historic district zoning regulations, design guidelines, and Board of Architecture Review approvals. The students designed these areas through a series of two-dimensional plans and axonometric drawings, three-dimensional physical and digital models, and four-dimensional time-based animations. The building massing separates into two core elements: a gabled copper volume and a wood screen volume. The hinge point of the house is the light vortex. Photosensitive floor-mounted lights designed to augment the volume of natural light will provide a continuous light rendition on the sculpture. The project is scheduled for completion in October 2005.
series SIGRADI
last changed 2016/03/10 08:55

_id sigradi2005_097
id sigradi2005_097
authors Luhan, Gregory A.
year 2005
title At Full-Scale | From Installation to Inhabitation
source SIGraDi 2005 - [Proceedings of the 9th Iberoamerican Congress of Digital Graphics] Lima - Peru 21-24 november 2005, vol. 1, pp. 97-102
summary In 1999, the University of Kentucky (then the College of Architecture, now the College of Design-School of Architecture) established a Digital Design Studio to combine the strong tradition of handcrafting in the existing design program with those technologically sophisticated tools shaping the profession for the 21st century. Over a six-year period, this all-digital design studio has developed from a pedagogical model for developing new different ways of seeing and making architecture to a proof-of-concept real-world experience to coalesce state-of-the-art visualization techniques with current expectations of practice. Creating dynamic links between students, industry, and the profession has enabled the School of Architecture to provide leadership for practicing architects, to create an effective dialogue between industrial and design professionals, and to incorporate successfully leading-edge design pedagogy with the more technological applications that will shape the future of architecture practice. The materials presented here reflect a sequence of comprehensive digital projects produced under my direction from 1999 through 2005.
series SIGRADI
last changed 2016/03/10 08:55

_id acadia05_212
id acadia05_212
authors Luhan, Gregory A.
year 2005
title Modern Translations, Contemporary Methods: DL-1_Resonance House®
source Smart Architecture: Integration of Digital and Building Technologies [Proceedings of the 2005 Annual Conference of the Association for Computer Aided Design In Architecture / ISBN 0-9772832-0-8] Savannah (Georgia) 13-16 October 2005, pp. 212-225
summary As the first design-build-fabricate-assemble experiment at our school, the intent of the studio was to design a framework from which to examine a “lived space” through digital-to-digital processes. Moving from digital models and physical stereo lithographic models to hand-fabrication and digital assembly allowed the students to move from creation to completion. As part of our holistic design process, the studio fabricated almost all components for the project. These elements include the wood flooring, the copper and wood skins, the building’s structural panels, and the two-story light vortex. This single-family, in-fill house is located within an historic downtown neighborhood and is subject to historic district zoning regulations, design guidelines, and Board of Architecture Review approvals. The project is analogous to design challenges presenting themselves in historic districts throughout the United States including the Savannah, Georgia site for the 2005 ACADIA Conference. The scale of the project relates well to the horizontal nature of this context and after a formal, televised review process with the local Board of Architecture Review, the project represents a dynamic, yet sympathetic architectural dialogue with the surrounding buildings. The project develops simultaneously from the exterior and interior resulting in two courtyards that mediate the urban “front door” and the private “terrace.” The students designed these areas through a series of two-dimensional axonometric drawings, three-dimensional physical and digital models, and four-dimensional time-based animations. The building massing separates into two core elements: gabled copper volume and wood screen volume. These elements maintain their conceptual purity by using the same types of modulations on their skins. The copper form with its deep-cut reveals and proportionally placed light scoring patterns reflects the horizontal datum lines of the floor, sill, threshold, and ceiling. In contrast, the wood volume reflects these same lines as applied “shadow screens” which create depths that seamlessly tie together the side, rear, and front facades.The hinge point of the house is the light vortex. Designed in Rhino, translated in Catia, fabricated out of aluminum, and clad in stainless steel, this two-story sculptural element will literally wrap light around its surfaces. Like a sunflower, the light vortex, with its angel hair stainless steel finish, responds to the incremental differentiation of light throughout the day. Photosensitive floor-mounted lights designed to augment the volume of natural light will provide a continuous light rendition on the sculpture. The project, scheduled for completion at the end of the 2005 summer session, is at the time of this submission about 60% complete.
series ACADIA
last changed 2005/10/25 16:52

_id acadia06_064
id acadia06_064
authors Luhan, Gregory A.
year 2006
title Synthetic Making
source Synthetic Landscapes [Proceedings of the 25th Annual Conference of the Association for Computer-Aided Design in Architecture] pp. 64-67
summary Various approaches of virtual and physical modeling have led to a synthetic form of making that is plastic and scalable in nature. This shift from traditional forms of representing and generating architecture now offers a better possibility of full-scale construction and fabrication processes and links transparently to industry. Architects are beginning to dynamically inform the visioning processes of assemblies and design through a range of precise subassemblies. Further to this end, the synthetic techniques and materials are opening up avenues for designers to investigate a range of fibers and fabrics that radically transform light and color renditions, and texture. Investigations in the realm of traditional materials such as stone, wood, and concrete continue to evolve, as do their associated methods of making. As a result of synthetic technologies, architects today have the possibility to work along side industry engineers and professionals to design castings, moldings, patterns, and tools that challenge not only the architectural work of art, but industrial and product design as well. This cultural shift from physical space to virtual space back to physical space and the combination of hand-, digital-, and robotic-making offers a unique juxtaposition of the built artifact to its manufacturing that challenges both spatial conventions and also the levels of precision and tolerance by which buildings are assembled. Traditional forms of documentation for example result typically in discrepancies between the drawn and the actualized which are now challenged by the level of precision and tolerance at the virtual level. It is within this context that leading-edge architects and designers operate today. Yet, how the profession and the academy respond to these opportunities remains an open line of inquiry and addressing these concerns opens up the rich potential enabled through synthetic making.
series ACADIA
last changed 2006/09/22 06:22

_id sigradi2013_41
id sigradi2013_41
authors Luhan, Gregory A.; Robert Gregory
year 2013
title Across Disciplines: Triggering Frame Awareness in Design Education
source SIGraDi 2013 [Proceedings of the 17th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-7051-86-1] Chile - Valparaíso 20 - 22 November 2013, pp. 619 - 623
summary Tacit knowledge is paradoxical: something we know yet don't know we know, knowledge we sense but can't articulate. In Polanyi’s definition of tacit knowledge, “we know more than we can say" (1966/2009; Scott, 1985; Gelwick, 1977). It's important to see that tacit knowledge is part of a sequence; mental structures, in awareness when first learned, eventually become tacit, operating thenceforth as unquestioned assumptions. These tacit structures pose a problem for professional education in disciplines that encourage creativity. This paper examines the design and re-design of an interdisciplinary course intended to help make these tacit structures visible, to trigger frame awareness.
keywords Tacit knowledge; Design thinking; Sustainability; Systems thinking; Frame reflection
series SIGRADI
last changed 2016/03/10 08:55

_id ecaade2014_139
id ecaade2014_139
authors Martin Tamke, Gregory Quinn, Henrik Leander Evers, Anders Holden Deleuran and Christoph Gengnagel
year 2014
title The Challenge of the bespoke - Design, Simulation and Optimisation of a Computationally Designed Plywood Gridshell
source Thompson, Emine Mine (ed.), Fusion - Proceedings of the 32nd eCAADe Conference - Volume 2, Department of Architecture and Built Environment, Faculty of Engineering and Environment, Newcastle upon Tyne, England, UK, 10-12 September 2014, pp. 29-38
wos WOS:000361385100002
summary The Dermoid project, a series of three plywood grid shells, navigates at the interface between parametrically designed architectural spaces and the efficiency and resourcefulness of the simulations that are necessary in order to build them. It highlights the increasingly common challenges and conflicts which occur in building practice ranging from design to fabrication and highlights approaches that facilitate implementation in multiple scales of material, element and structure.
keywords Simulation; bespoke fabrication; material behaviour; complex modelling; bending active
series eCAADe
last changed 2016/05/16 09:08

_id 7032
authors More, G., Harvey, L. and Burry, M.
year 2002
title Understanding Spatial Information with Integrated 3D Visual and Aural Design Applications
source Thresholds - Design, Research, Education and Practice, in the Space Between the Physical and the Virtual [Proceedings of the 2002 Annual Conference of the Association for Computer Aided Design In Architecture / ISBN 1-880250-11-X] Pomona (California) 24-27 October 2002, pp. 333-338
summary The ability to arrange information graphically in digitally represented Cartesian space offers obviousadvantages over two-dimensional graphical reductions. Adding time to the spatial palette provides adynamic dimension. Cartesian space used for these purposes, however, reinforces an ocular-centricapproach to information delivery. We can include sound in order to seek a sensory balance, therebyimproving cognition and enhancing dimensionality within an ‘information space’, especially for complexmaterial requiring greater interactivity or ‘audience’ participation. Combined visual and audio synthesisoffers multidimensional and multi-sensorial environments that challenge existing linear and twodimensionalpresentation orthodoxies – ‘audience’, for instance, presupposes a lecture to be listened to.This paper presents work in progress investigating the use of sonification as both a thematic andnavigational vehicle in dynamic presentation environments.
series ACADIA
last changed 2002/10/26 23:25

_id acadia03_053
id acadia03_053
authors More, G., Padgham, L., Mathieson, I. and Burry, M.
year 2003
title Multidimensional Presentation Environments with IntegratedIntelligent Agents
source Connecting >> Crossroads of Digital Discourse [Proceedings of the 2003 Annual Conference of the Association for Computer Aided Design In Architecture / ISBN 1-880250-12-8] Indianapolis (Indiana) 24-27 October 2003, pp. 421-425
summary A Multidimensional Presentation Environment (MPE) is defined here as a digital environment containing spatially located data that can be navigated by a presenter. Given an array of data types and the potential infinity of the associated datascapes, there is an opportunity to develop systems that assist the presenter in the navigation and analysis of complex information scenarios. This research reports on the utilisation of intelligentagent based software for a better understanding of spatial information representation within the MPE. This is achieved by utilising intelligent agent software to aid the presenter in the searching, retrieving, and articulation of datasets, and the application of such technologies in the generation of time based 3D graphical and audio presentations.
series ACADIA
last changed 2003/10/30 15:20

_id 2004_210
id 2004_210
authors More, Gregory, Yuille, Jeremy and Burry, Mark
year 2004
title Designing Spatial Sounds for Spatial Information Environments
source Architecture in the Network Society [22nd eCAADe Conference Proceedings / ISBN 0-9541183-2-4] Copenhagen (Denmark) 15-18 September 2004, pp. 210-217
summary This paper reports on the design of spatial sounds for information environments. This research primarily relates to developing the sound component for a software prototype of a presentation environment that integrates realtime three-dimensional graphics with user interaction. For this project sound designers were engaged to examine the design of spatial sounds to examine the issues of dimensionality within presentation environments. The sound design work utilised a range of sound techniques: real world recording and modulation, static sound collections and DSP (Digital Signal Processing). The two main themes for the research were exploring sound as both thematic and navigational tools, utilising concepts that address the issues of multi-dimensionality within a time based presentation environment.
keywords Spatial Visualisation, Spatial Sound, Information Architecture, Sonification
series eCAADe
last changed 2004/09/18 06:45

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