Cumincad : CUMINCAD Papers : Search Results

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	acadia20_310
id	acadia20_310
authors	Ling, Andrea; Moghadasi, Mahshid; Shi, Kowin; Wei, Junghsein; Petersen, Dr. Kirstin
year	2020
title	Formica Forma
doi	https://doi.org/10.52842/conf.acadia.2020.1.310
source	ACADIA 2020: Distributed Proximities / Volume I: Technical Papers [Proceedings of the 40th Annual Conference of the Association of Computer Aided Design in Architecture (ACADIA) ISBN 978-0-578-95213-0]. Online and Global. 24-30 October 2020. edited by B. Slocum, V. Ago, S. Doyle, A. Marcus, M. Yablonina, and M. del Campo. 310-319.
summary	Hybrid robot systems that cooperate with live organisms is an active area of research, in part to leverage biological advantages such as adaptivity, resilience, and sustainability. Formica Forma explores new possibilities of codesigning and cofabricating in partnership with Western Harvester ants to build forms that would be challenging with industrial techniques. Using a robotically controlled UV light (350–405 nm) as an environmental stimulus to bias digging behavior, we guide 600 ants to dig ~141 cm of tunnels in transparent ant gel over 646 hours. Predictability, fidelity to the UV source, repeatability, dig efficiency, amount of ant activity, and tunnel preference were studied. The resulting branching tunnels were cast in silicone to demonstrate the ability to harness this in subtractive fabrication with inexpensive, self-maintaining biological fabricators. Results showed that ants can follow the UV light as a path guide (when the light is moving) or target it as a goal (when the light is both moving and static), with longer digging effect from the moving UV stimulus. Ants showed high fidelity to the light path, aligning their tunnel direction exactly with changes in the UV position, tuning the fabrication in real-time with environmental alterations. Population size did not seem to affect digging speed or efficiency, and the ants’ preexisting preferences factored into which tunnels were dug out. The research develops a hybrid biodigital way of working with biological swarms where the individual agency and the intrinsic stochasticity of the system offer possibilities in real-time adaptability and programmability through environmental templating.
series	ACADIA
type	paper
email
last changed	2023/10/22 12:06

_id	caadria2024_304
id	caadria2024_304
authors	Ling, Ban Liang and Tunçer, Bige
year	2024
title	Extracting Actionable Information from the Site Context Using A Phenotype-Based Strategy
doi	https://doi.org/10.52842/conf.caadria.2024.1.323
source	Nicole Gardner, Christiane M. Herr, Likai Wang, Hirano Toshiki, Sumbul Ahmad Khan (eds.), ACCELERATED DESIGN - Proceedings of the 29th CAADRIA Conference, Singapore, 20-26 April 2024, Volume 1, pp. 323–332
summary	As more computational design tools are developed, solution generation has been accelerated to provide real time feedback. However, a human designer is still required to translate generated data into actionable information. This is especially so for diverse design scenarios, where the data structure differs, and the computer is unable to draw conclusions across both scenarios. The site context is one key parameter that contributes towards the difference in scenarios. In short, how can an algorithm extract design-related information from diverse scenarios? To address this issue, a phenotype-based strategy is proposed as a representation method, and it re-parameterises diverse site conditions by focusing on their geometrical properties. Instead of parameterising the site context, street-view images are captured, and Gabor filters extract relevant geometrical properties, such that site conditions with different compositions, forms, and density can be organised. This method quantifies compositional and density-based properties of the surrounding building blocks, thereby enabling the computer to digest generated information and provide design suggestions. A new sample site is then used to demonstrate a query of the phenotype space, where suggestions about solar radiation performance is feedback to a human designer.
keywords	Context representation, performance-based generative design
series	CAADRIA
email
last changed	2024/11/17 22:05

_id	sigradi2011_145
id	sigradi2011_145
authors	Linhares, Bruna; Alarcão, Helena; Carvão, Luís; Toste, Pedro; Paio, Alexandra
year	2011
title	Using Shape Grammar to design ready-made housing for humanized living. Towards a parametric-typological design tool
source	SIGraDi 2011 [Proceedings of the 15th Iberoamerican Congress of Digital Graphics] Argentina - Santa Fe 16-18 November 2011, pp. 78-81
summary	The research described in this paper is part of a larger on-going project called "Emerg.cities4all" that proposes a generative computer-aided planning system for housing for low-income populations using shape grammars. This paper presents the preliminary research results of a group of four master students who proposed to develop a grammar of ready-made housing for humanized living based in three informal settlements case studies. The results of this research are based on the assumption that it is possible to generate modular, adaptable and affordable ready-made housing for humanized living solutions design, supported by a computational generation tool.
keywords	Shape grammars; emergent housing; housing design; CPLP
series	SIGRADI
email
last changed	2016/03/10 09:55

_id	caadria2023_210
id	caadria2023_210
authors	Linker, Gitit, Gillis, Elisheva, Freedman, Danny, Segal, Adi, Zermati, Noa, Naim, Or, Partook, Rebecca Hila and Nathansohn, Nof
year	2023
title	Designed to Grow: 3D Printing of Seeds
doi	https://doi.org/10.52842/conf.caadria.2023.2.211
source	Immanuel Koh, Dagmar Reinhardt, Mohammed Makki, Mona Khakhar, Nic Bao (eds.), HUMAN-CENTRIC - Proceedings of the 28th CAADRIA Conference, Ahmedabad, 18-24 March 2023, pp. 211–220
summary	The prevalent use of inorganic, non-local materials in construction and design in the age of ecological crisis, calls for experiments with new, more sustainable components. In this research, we suggest re-thinking the incorporation of flora in design, by developing a new material for additive manufacturing (AM), that utilizes the constructive potential in the root entanglement of germinating seeds. The material which is comprised of a hydrogel and seeds is used to create 3D printed objects. These transform over time and the material receives new properties and qualities. The seeds develop into plants which finally wither, the plants roots intertwine and strengthen the structure of the designed shape as the sustaining hydrogel disintegrates. The object is comprised of organic biodegradable components only, that can be prepared for AM in simple processes. By doing so, the result is an accessible method of creating plant based and digitally designed objects. Our research challenges the conventional approach for integrating nature into the built environment. While flora is most commonly subsequently added as an external addition to the designed object, in this work, seeding is an integral part of the fabrication process. This allows us to introduce a new workflow for ecological design and fabrication.
keywords	Material Development, 3D printing, 3D Bioprinting, Digital Fabrication, Sustainable Design, Post Printing Transformation
series	CAADRIA
email
last changed	2023/06/15 23:14

_id	a33e
authors	Linn, Gudrun
year	1991
title	BATHROOM DESIGN AND FUNCTION ANALYSIS - BRIEF REPORTS FROM TWO RESEARCH PROJECTS
source	Proceedings of the 3rd European Full-Scale Modelling Conference / ISBN 91-7740044-5 / Lund (Sweden) 13-16 September 1990, pp. 38-39
summary	The problem behind this research project was the fact that Swedish standard bathrooms were (and most of them still are) difficult to clean, because of the building design. This has consequences not only for the inhabitants but also for the home helpers who assist old and disabled people in their own dwellings. The most difficult-to-clean spaces in a dwelling are the bathroom and the toilet-room. These spaces also are the most dirtied. In Sweden there of ten is a toilet in the bathroom. The aim of the project was to find out what or how much of physical agility a Swedish standard bathroom demands from the person who carries out the cleaning of it.
keywords	Full-scale Modeling, Model Simulation, Real Environments
series	other
type	normal paper
more	http://info.tuwien.ac.at/efa
last changed	2004/05/04 15:18

_id	3e01
authors	Linnert, C., Encarnacao, M., Storck, A. and Koch, V.
year	2000
title	Virtual Building Lifecycle - Giving architects access to the future of buildings by visualizing lifecycle data
source	ICCCBE8, Stanford, August 2000
summary	Today’s software for architects and civil engineers is lacking support for the evaluation and improvement of building lifecycles. Facility Management Systems and 4D-CAD try to integrate lifecycle data and make them better accessible, but miss the investigation of the development of the structure itself. Much money is inappropriately spent when materials with different life expectancies are combined in the wrong way and building parts are repaired or replaced too early or too late. With the methods of scientific visualization and real-time 3Dgraphics these deficiencies can be eliminated. The project “Virtual Building Lifecycle” (short VBLC, [W-VBLC]) connects 3D geometrical information to research data such as life expectancy and emissions and to standard database information like prices. The automated visualization of critical points of the structure in the past, presence and future is a huge advantage and helps engineers to improve the duration of the lifecycle and reduce the costs.
keywords	Visualization; lifecycle; virtual building; realtime 3D graphics; architectural database; 4D-CAD; Facility Management
series	other
email
last changed	2003/02/26 18:58

_id	sigradi2009_955
id	sigradi2009_955
authors	Lino, Sulamita Fonseca; Clarisse Martins Vilella; Cezar Augusto Figueredo
year	2009
title	Architecture without ‘a form of use’ [Architecture without "a form of use"]
source	SIGraDi 2009 - Proceedings of the 13th Congress of the Iberoamerican Society of Digital Graphics, Sao Paulo, Brazil, November 16-18, 2009
summary	The objective of this paper is to present the methodology used in the Computer graphics applied to architecture class, its potentialities and limitations, and preliminary conclusions. The premises of the course were: to discuss the relation between the architect and the users of architecture, considering that the spaces of the architecture must be projected without “a form of use”, and to teacher the students in the use of software being aimed at the elaboration of spaces in flexible form.
keywords	Architecture; users; flexibility
series	SIGRADI
email
last changed	2016/03/10 09:55

_id	6499
authors	Lintl, C., Economides, D., Hesse, M., Langenbahn, V., Roth, S. and Brack, C.
year	1993
title	CAD Education at Munich
doi	https://doi.org/10.52842/conf.ecaade.1993.x.t7f
source	[eCAADe Conference Proceedings] Eindhoven (The Netherlands) 11-13 November 1993
summary	We are stressing the idea that a combination of learning CAD and developing a design- work will hardly lead to success. It is first important to learn the principle handling of CAD - only then a reasonable application can work out. Our pupils have the chance of comparing, Iearning and working on several different CAD-systems with different philosophies and purposes, so the interested students have the opportunity to choose a tool that fits their working-habits and their designing-methods. Out of an overall number of 200 students of architecture each semester about 150 are willing to participate in the CAD- curriculum. 100 will be left after the low-level introductions and exercises, done with the standard: AutoCAD - these students than have a basic idea of construction with computers. Those students who are going into details are deepening there skills to an extent where any experiment is feasible. It is hard work to get to this perfection.
series	eCAADe
last changed	2022/06/07 07:50

_id	0ddb
authors	Linzer, H., Schmidinger, E., Voigt, A. and Walchhofer, H.P.
year	1995
title	Computer Integrated Building-up Planning (CIBP)
source	CAD Space [Proceedings of the III International Conference Computer in Architectural Design] Bialystock 27-29 April 1995, pp. 259-265
summary	Building-up planning holds a prominent position within the planning- and realization process due to its closeness to the constructional-spatial translation. Based on spatial analysis, spatial characteristics and the elaboration of marginal conditions of spatial development within the framework of building-up planning, building volumina, building density, manner of building-up and storeyheights amongst others are to be defined and analyzed as to their spatial impact prior to their realization. The present project has presented possibilities for improvement of planning quality as well as of optimizing clearness and comprehension of the legally binding marginal conditions of building-up planning. Based on the wording of the Austrian Law governing Area Planning building-up planning constitutes an integral part of Urban and Regional planning. Building-up planning is the planning instrument considered right next to putting into reality the effects of which becoming immediately visible in the constructional transfer of frame conditions of spatial development. As a legal instrument it is - due to its overpacked nature - complicated in its practical application and disposes of only a small degree of flexibility concerning its consequences. Thus, a major goal of the research project aims at the development of a building-up plan of a prohibitory - (mandatory) plan acting as an instrument for designing public space.
series	plCAD
email
last changed	2003/05/17 10:01

_id	2fc4
authors	Linzer, H., Martens, B. and Voigt, A.
year	1994
title	The Integration of Virtual and Full-Scale Modelling
doi	https://doi.org/10.52842/conf.ecaade.1994.147
source	The Virtual Studio [Proceedings of the 12th European Conference on Education in Computer Aided Architectural Design / ISBN 0-9523687-0-6] Glasgow (Scotland) 7-10 September 1994, pp. 147-151
summary	Practically every design- and planning activity aims at its ultimate realization in the built environment. Any respective decisions are generally taken on the basis of substitutes of the original. Yet, the true spatial dimensions and proportions can be conceived on a 1:1 scale "without any mental detour". Moreover, the interaction of light, colour and material is best represented in the 1:1 model. One of the main reasons why physical 1:1 models are rarely constructed is certainly the unbalanced economic relation between expenditure and resulting use. Therefore, representation by means of less expensive virtual models has taken a preeminent position. However, a balanced combination of physical and virtual models in full-scale according to area- and problem-type, degree of details and scale is likely to become increasingly important in the future. It is not the aim of Simulation Aided Architectural Design (SAAD) and Simulation Aided City Development (SACD) to do completely away with existing working procedures and planning techniques, but to act supplements promoting the integration of traditional and new simulation techniques by an-ticipating "realities" aimed at the best-suited design of a common living space. Furthermore, the generation of visions and utopian schemes may add to an enhancement as far as spatial development and design are regarded within the issue of falsification and verification of spatial developments.
series	eCAADe
email
more	http://info.tuwien.ac.at/ecaade/
last changed	2022/06/07 07:59

_id	ecaadesigradi2019_152
id	ecaadesigradi2019_152
authors	Liotta, Salvator-John A.
year	2019
title	Contemporary Architecture between Research and Practice - Experimentations in Digital Wood
doi	https://doi.org/10.52842/conf.ecaade.2019.1.595
source	Sousa, JP, Xavier, JP and Castro Henriques, G (eds.), Architecture in the Age of the 4th Industrial Revolution - Proceedings of the 37th eCAADe and 23rd SIGraDi Conference - Volume 1, University of Porto, Porto, Portugal, 11-13 September 2019, pp. 595-604
summary	This paper is a take on contemporary works in wood designed with parametric softwares and seen from an academic and professional point of view. The knowledge about digital wood developed through Digital Fabrication Laboratories has proved to be effective but with certain limitations when used for real constructions. In fact, translating the freedom of building temporary architectures -which is usually one of the "learn by doing" activities of design studio or workshops- into wood architecture that respect all the constraints of real construction is a challenge. This paper shows several experiences where innovative ideas developed through research have been applied to temporary pavilions and real constructions in Japan, Italy and France.
keywords	Parametric design and fabrication strategies; Pedagogy and Practice; CNC and Woodworking Technology; Wood complex surface
series	eCAADeSIGraDi
email
last changed	2022/06/07 07:59

_id	ga0229
id	ga0229
authors	Liou, S.-R.
year	2002
title	Design from Known to New -Issues of Generative Architecture under Digital Environment
source	International Conference on Generative Art
summary	Given the power of digital design media, architects are confronting a new territory of architectural morphology. This paper attempts to explore the issues of generative architecture under digital environment. It is concerned with architectural precedents, their morphological attributes, and morphological analysis as the point of departure for generating new designs. Three design experiments are employed for the exploration. The first experiment addresses the issue of a single building. The second experiment focuses on the problem of urban architecture. The third design experiment places emphasis on the issue of urban landform. In addition to the exciting novel forms and spaces generated from the afore-mentioned design experiments, a number of critical issues on generative architecture are raised and discussed in the paper. Among them are: (1) the concept and logic underlying the methodology of the design experiments; (2) the formulation of the generative design systems utilizing the existing morphological structures; (3) the employment of the digital design media (e.g. image processing, 3D abstraction and extrusion) for various purposes during the process of analysis and generation.
series	other
email
more	http://www.generativeart.com/
last changed	2003/08/07 17:25

_id	895d
authors	Liou, S.-R., Vakalo, E.-G. and Chang, K.-C.
year	1997
title	An Experiment on Hybrid Architectural Form-Making
source	CAAD Futures 1997 [Conference Proceedings / ISBN 0-7923-4726-9] München (Germany), 4-6 August 1997, pp. 837-842
summary	This paper illustrates an approach to hybrid architectural form-making. A hypothetical project - the Des Moines Art Center 3rd Addition - is employed as a design experiment. The computer is used as a form-searching medium in the form-making process. Suggesting an addition to the existing center designed by Saarinen, Pei, and Meier, the designer is confronting the problem of how to respond to the three distinct architectural styles. The proposed solution to this problem is to create a hybrid building which inherits architectural properties from those precedents. Potentials of the use of the computer for such task are discussed.
series	CAAD Futures
email
last changed	1999/04/06 09:19

_id	181b
authors	Liou, Shuenn-Ren
year	1992
title	A computer-based framework for analyzing and deriving the morphological structure of architectural designs
source	University of Michigan
summary	An approach to the acquisition and utilization of knowledge about the morphological structure of notable orthogonal building plans and other two-dimensional compositions is formulated and tested. This approach consists of two levels of abstraction within which the analysis and comparison of existing designs and the derivation of new designs can be undertaken systematically and efficiently. Specifically, the morphological structure of orthogonal building plans and other two-dimensional compositions is conceived as a language defined by shape grammar and architectural grammar corresponding to the geometric and spatial structures of the compositions. Lines constitute the shape grammar and walls and columns the architectural grammar. A computer program named ANADER is designed and implemented using the C++ object-oriented language to describe feasible compositions. It is argued that the gap between morphological analysis and synthesis is bridged partially because the proposed framework facilitates systematic comparisons of the morphological structures of two-dimensional orthogonal compositions and provides insight into the form-making process used to derive them. As an analytical system, the framework contributes to the generation of new and the assessment of existing morphological knowledge. Specifically, it is demonstrated that it is feasible to specify an existing architectural design by a set of universal rule schemata and the sequence of their application. As a generative system, the framework allows many of the tasks involved in the derivation of two-dimensional orthogonal compositions to be carried out. As well, it promotes the use of analytical results. In conclusion, it is argued that the proposed computer-based framework will provide the research and the educator with increasing opportunities for addressing persistent architectural questions in new ways. Of particular interest to this author are questions concerning the decision-making activities involved in form- and space-making as well as the description, classification, and derivation of architecutural form and space. It is suggested that, at least in reference to the cases examined, but probably also in reference to many other morphological classes, these and other related questions can be addressed systematically, efficiently, and fruitfully by using the proposed framework.
series	thesis:PhD
last changed	2003/02/12 22:37

_id	00d5
authors	Liou, ShuennRen and Chyn, TaRen
year	2000
title	Constructing Geometric Regularity underlying Building Facades
doi	https://doi.org/10.52842/conf.ecaade.2000.313
source	Promise and Reality: State of the Art versus State of Practice in Computing for the Design and Planning Process [18th eCAADe Conference Proceedings / ISBN 0-9523687-6-5] Weimar (Germany) 22-24 June 2000, pp. 313-315
summary	Geometric regularity constitutes a basis for designers to initiate the formulation of building shapes and urban forms. For example, Le Corbusier considers the regulating line "an inevitable element of architecture" and uses it as a "means" for understanding and creating good designs. Thomas Beeby argues that the acquisition of knowledge on geometric construction plays a crucial role in the education of architecture design. This paper illustrates a computational approach to constructing the regularity of architectural geometry. The formal structure underlying a single façade and continuous façades are examined.
keywords	Geometric Regularity, Building Facades, Cluster Analysis, CAAD
series	eCAADe
email
more	http://www.uni-weimar.de/ecaade/
last changed	2022/06/07 07:59

_id	67c9
authors	Lipski, Witold Jr. and Preparata, Franco P.
year	1980
title	Finding the Contour of a Union of Iso-Oriented Rectangles
source	Journal of Algorithms. Academic Press Inc., January, 1980. pp. 235-246 : some ill. a short bibliography
summary	In this paper the following geometric problem is considered. Let R1,...,Rm be rectangles on the plane with sides parallel to the coordinate axes. An algorithm is described for finding the contour of F = R1, U...U Rm, in O(m log m+p log(2m2/p)) time, where p is the number of edges in the contour. This is O(m2) in the general case, and o(m log m) when F is without holes (then p < 8m - 4); both of these performances are optimal
keywords	rectangles, geometry, computational geometry, algorithms
series	CADline
last changed	2003/06/02 10:24

_id	8bea
authors	Lipson, H. and Shpitalni, M.
year	1996
title	Optimization-based reconstruction of a 3D object from a single freehand line drawing
source	Computer-Aided Design, Vol. 28 (8) (1996) pp. 651-663
summary	This paper describes an optimization-based algorithm for reconstructing a 3D model from a single, inaccurate, 2D edge-vertex graph. The graph, which serves as input for the reconstruction process, is obtained froman inaccurate freehand sketch of a 3D wireframe object. Compared with traditional reconstruction methods based on line labelling, the proposed approach is more tolerant of faults in handling both inaccurate vertexpositioning and sketches with missing entities. Furthermore, the proposed reconstruction method supports a wide scope of general (manifold and non-manifold) objects containing flat and cylindrical faces. Sketchesof wireframe models usually include enough information to reconstruct the complete body. The optimization algorithm is discussed, and examples from a working implementation are given.
keywords	Drawing To Model, Optimization, Robustness
series	journal paper
last changed	2003/05/15 21:33

_id	sigradi2007_af84
id	sigradi2007_af84
authors	Lira Veras Xavier de Andrade, Max; Alaí Mille da Silva Brito; Calil Vidal; José Adenilton Santos Andrade; José Cristiano da Costa Silva; Josival Corrêa de Araújo Júnior; Rodrigo Oliveira Nobre
year	2007
title	Comparative analyses of use of different digital media in architectural design process [Análise Comparativa do Uso de Diversas Mídias Digitais no Desenvolvimento do Projeto Arquitetônico]
source	SIGraDi 2007 - [Proceedings of the 11th Iberoamerican Congress of Digital Graphics] México D.F. - México 23-25 October 2007, pp. 177-181
summary	This paper discusses a class experience that investigates the design process using different digital media. The objective is comparing the advantages e disadvantages in different architectural design stage of three different computer graphics software: Sketch up, AutoCAD e ArchiCAD. At first an initial design process of three groups of individuals is carried out. In the next step, specialization on computer graphics software, time spent in design, graphics quality, design quality and the level of computer graphics tools thought as aids to architectural design are investigated. The results indicate the importance to choose different computer graphics to different design problem.
keywords	BIM; computer graphics; design process; design; design methodology
series	SIGRADI
email
last changed	2016/03/10 09:55

_id	5060
authors	Lira, Roberto O. and Vidal, Claudia G.
year	2001
title	APLICACIÓN DE HERRAMIENTAS DE GRAFICA DIGITAL AL DESARROLLO URBANO REGIONAL: EXPERIENCIA DEL LABORATORIO DE ESTUDIOS URBANOS (Application of Digital Graphic Tools in the Development of Regional Urbanism: The Experience of the Laboratory of Urban Studies)
source	SIGraDi biobio2001 - [Proceedings of the 5th Iberoamerican Congress of Digital Graphics / ISBN 956-7813-12-4] Concepcion (Chile) 21-23 november 2001, pp. 325-327
summary	Today it is known that the knowledge and the territory administration requires a modern systems of calculation that spatially order and processes this information. For this, the Laboratory of Urban Studies (LUS), is dedicated to the study of the space distribution phenomenon, by means of computational graph technology. The present work has the objective to present the LUS experience in the application of two tools of digital graph to the urban regional development: using the Systems of Geographical Information (SGI) in the integral evaluation of natural risks in the city of Concepción and the application of Animation 3D in the design of “Avenida Los Plátanos” in the University of Bío-Bío.
series	SIGRADI
email
last changed	2016/03/10 09:55

_id	3c37
authors	Lira, Roberto O. and Vidal, Claudia G.
year	2002
title	Evaluación de un instrumento para medir el acceso a equipamientos urbanos: el caso de Concepción [Tool evaluation to measure the access to urban equipment: Concepcion's case]
source	SIGraDi 2002 - [Proceedings of the 6th Iberoamerican Congress of Digital Graphics] Caracas (Venezuela) 27-29 november 2002, pp. 101-104
summary	The paper explains the evaluation of an instrument, based on a GIS to asses the level of proximity of neighborhood locations to urban services and facilities. Starting from a selected set of these, circles are drawn on a city map with radii representing neighborhood access. The areas within the circles are identified as having a certain level of access. Neighborhood locations within the intersection of two or more of these circles are assigned increasing levels of access. The result is an “access map” atthe city level which represents the amount of services or “urban benefits” that a person can get from a specific neighborhood location. This map is then compared to population distribution and analyzed in terms of deficit of services and facilities.
series	SIGRADI
email
last changed	2016/03/10 09:55

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