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	d869
authors	Chu, C.-C., Dani, T.H. and Gadh, R.
year	1997
title	Multi-sensory user interface for a virtual-reality-based computer-aided design system
source	Computer-Aided Design, Vol. 29 (10) (1997) pp. 709-725
summary	The generation of geometric shapes called `geometric concept designs' via the multi-sensory user interface of a virtual reality (VR) based system motivates the currentresearch. In this new VR-based system, geometric designs can be more effectively inputted into the computer in a physically intuitive way. The interaction mechanism issimilar to the way in which industrial designers sit and discuss concept design shapes across a table from each other, prior to making a final decision about the productdetails. By using different sensory modalities, such as voice, hand motions and gestures, product designers can convey design ideas through the VR-basedcomputer-aided design (CAD) system. In this scenario, the multi-sensory interface between human and computer plays a central role with respect to usability, usefulnessand accuracy. The current paper focuses on determining the requirements for the multi-sensory user interface and assessing the applications of different input and outputmechanisms in the virtual environment (VE). In order to evaluate this multi-sensory user interface, this paper formulates the typical activities in product shape design intoa set of requirements for the VR-CAD system. On the basis of these requirements, we interviewed typical CAD users about the effectiveness of using different sensoryinput and output interaction mechanisms such as visual, auditory and tactile. According to the results of these investigations, a nodal network of design activity thatdefines the multi-sensory user interface of the VR-CAD system is determined in the current research. The VR-CAD system is still being developed. However, voicecommand input, hand motion input, three-dimensional visual output and auditory output have been successfully integrated into the current system. Moreover, severalmechanical parts have been successfully created through the VR interface. Once designers use the VR-CAD system that we are currently developing, the interfacerequirements determined in the current paper may be verified or refined. The objectives of the current research are to expand the frontiers of product design and establisha new paradigm for the VR-based conceptual shape design system.
keywords	Virtual Reality, Multi-Sensory User Interface, Conceptual Shape Design, Sensory Interaction Mechanism
series	journal paper
last changed	2003/05/15 21:33

_id	a5c7
authors	Hovestadt, Ludger and Hovestadt, Volkmar
year	1997
title	ARMILLA5 - Supporting Design, Construction and Management of Complex Buildings
source	CAAD Futures 1997 [Conference Proceedings / ISBN 0-7923-4726-9] München (Germany), 4-6 August 1997, pp. 135-150
summary	ARMILLA5 is a generic computer aided design system, which supports the cooperative design of complex buildings (such as labs, offices or schools) over multiple levels of abstraction. It follows the metaphor of a virtual building site. The designers and engineers meet at a spatial location on the Internet and prepare the building construction by simulating the building site. This article describes the three essential components of the ARMILLA5-model: the geometric model which describes the spatial and physical aspects of the building site, the semantic model which implements passive building components as objects and active building components as applets or applications, and the planning model, which organizes the work steps of the individual engineers and their cooperation. The model is described using different software prototypes written in Objective C, CAD systems and HTML/JAVA.
keywords	Dynamic Buildings, CAAD, CSCW, VRML, Case-based Reasoning, Facility Management, Augmented Reality
series	CAAD Futures
email
last changed	1999/04/06 09:19

_id	ca34
authors	Mine, Mark R .
year	1997
title	ISAAC: a meta-CAD system for virtual environments
source	Computer-Aided Design, Vol. 29 (8) (1997) pp. 547-553
summary	This paper presents a description of ISAAC; the Immersive Simulation Animation And Construction program designed and built at the University of North Carolina atChapel Hill (UNC-CH). ISAAC is a scene composition application used for the interactive construction of virtual worlds. In ISAAC you work directly in a virtualenvironment; you position, orient and scale objects using direct and indirect manipulation techniques. ISAAC stores object configurations in ASCII files that it uses torecreate scenes at a later date for further manipulation and interactive exploration. ISAAC is not a modeling program; you create worlds by manipulating pre-generatedthree-dimensional models (which can come from sources such as computer-aided design programs or three-dimensional scanning devices). ISAAC was designed toovercome some of the limitations of working in a virtual environment and to take advantage of the natural and intuitive forms of interaction available in a virtual world.
keywords	Immersive Design, Object Manipulation, Virtual Environment, Interaction Techniques
series	journal paper
last changed	2003/05/15 21:33

_id	aa2f
authors	Carrara, G., Fioravanti, A. and Novembri, G.
year	1997
title	An Intelligent Assistant for the Architectural Design Studio
doi	https://doi.org/10.52842/conf.ecaade.1997.x.a3a
source	Challenges of the Future [15th eCAADe Conference Proceedings / ISBN 0-9523687-3-0] Vienna (Austria) 17-20 September 1997
summary	It seems by now fairly accepted by many researchers in the field of the Computer Aided Design that the way to realise support tools for the architectural design is by means of the realisation of Intelligent Assistants. This kind of computer program, based on the Knowledge Engineering and machine learning, finds his power and effectiveness by the Knowledge Base on which it is based. Moreover, it appears evident that the modalities of dialogue among architects and operators in the field of building industry, are inadequate to support the exchange of information that the use of these tools requires. In fact, many efforts at international level are in progress to define tools in order to make easier the multiple exchange of information in different fields of building design. Concerning this point, protocol and ontology of structured information interchanges constitute the first steps in this sense, e.g. those under standardisation by ISO (STEP), PDT models and Esprit project ToCEE. To model these problems it has brought forth a new research field: the collaborative design one, an evolution of distributed work and concurrent design. The CAAD Laboratory of Dipartimento di Architettura and Urbanistica per l'Ingegneria has carried out a software prototype, KAAD, based on Knowledge Engineering in the fields of hospital building and of building for aged people. This software is composed by an Interface, a Knowledge Base, a Database and Constraints. The Knowledge Base has been codified by using the formal structure of frames, and has been implemented by the Lisp language. All the elements of KB are objects
keywords	Design Studio
series	eCAADe
email
more	http://info.tuwien.ac.at/ecaade/proc/carrara/carrara.htm
last changed	2022/06/07 07:50

_id	ga9921
id	ga9921
authors	Coates, P.S. and Hazarika, L.
year	1999
title	The use of genetic programming for applications in the field of spatial composition
source	International Conference on Generative Art
summary	Architectural design teaching using computers has been a preoccupation of CECA since 1991. All design tutors provide their students with a set of models and ways to form, and we have explored a set of approaches including cellular automata, genetic programming ,agent based modelling and shape grammars as additional tools with which to explore architectural ( and architectonic) ideas.This paper discusses the use of genetic programming (G.P.) for applications in the field of spatial composition. CECA has been developing the use of Genetic Programming for some time ( see references ) and has covered the evolution of L-Systems production rules( coates 1997, 1999b), and the evolution of generative grammars of form (Coates 1998 1999a). The G.P. was used to generate three-dimensional spatial forms from a set of geometrical structures .The approach uses genetic programming with a Genetic Library (G.Lib) .G.P. provides a way to genetically breed a computer program to solve a problem.G. Lib. enables genetic programming to define potentially useful subroutines dynamically during a run .* Exploring a shape grammar consisting of simple solid primitives and transformations. * Applying a simple fitness function to the solid breeding G.P.* Exploring a shape grammar of composite surface objects. * Developing grammarsfor existing buildings, and creating hybrids. * Exploring the shape grammar of abuilding within a G.P.We will report on new work using a range of different morphologies ( boolean operations, surface operations and grammars of style ) and describe the use of objective functions ( natural selection) and the "eyeball test" ( artificial selection) as ways of controlling and exploring the design spaces thus defined.
series	other
more	http://www.generativeart.com/
last changed	2003/08/07 17:25

_id	4278
authors	Frazer, John
year	1997
title	The Groningen Experiment
doi	https://doi.org/10.52842/conf.caadria.1997.345
source	CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 345-353
summary	This paper first describes an experimental evolutionary and generative model for the city of Groningen in northern Holland and goes on to speculate on how such techniques could be broadened and applied to the possible global co-operative evolution of cities.
series	CAADRIA
email
last changed	2022/06/07 07:50

_id	8504
authors	Junge, Richard. (Ed.)
year	1997
title	CAAD futures 1997 [Conference Proceedings]
source	7th International Conference on Computer-Aided Architectural Design/ ISBN 0-7923-4726-9 / München / Germany, 4-6 August 1997, 931 p.
summary	Since the establishment of the CAAD futures Foundation in 1985 CAAD experts from all over the world meet every two years to present and at the same time document the state of art of research in Computer Aided Architectural Design. The history of CAAD futures started in the Netherlands at the Technical Universities of Eindhoven and Delft, where the CAAD futures Foundation came into being. Then CAAD futures crossed the oceans for the first time, the third CAAD futures in '89 was held at Harvard University. Next stations in the evolution where in '91 Swiss Federal Institute of Technology, the ETH Zürich. In '93 the conference was organized by Carnegie Mellon University, Pittsburgh and in '95 by National University Singapore. CAAD futures '95 marked the world wide nature by organizing it for the first time in Asia. The seventh CAAD futures is the first being organized by a German University. For the as small as newly and only provisional established CAAD group at the Faculty for Architecture at Technical University München it is honor and challenge at the same time to be the organizer of CAAD futures '97.
series	CAAD Futures
email
last changed	1999/04/06 09:19

_id	4925
authors	Poon, J. and Maher, M.L.
year	1997
title	Co-evolution in Design
doi	https://doi.org/10.52842/conf.caadria.1997.439
source	CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 439-448
summary	A design process is traditionally viewed as a sequential process model from the formulation of the problem to the synthesis of solutions. Simon (1981) regards design as a state-space search where a problem leads to the solution. To be more practical, there are many versions of solution generated during design, where each current one is an improvement over the previous one. This kind of synthesis of solutions can be viewed as an evolutionary system over time. We propose to apply the metaphor of "exploration” to design, and further argue that evolution occurs in the problem space as well as in the solution space. Co-evolutionary design is introduced to remove the assumption of having a fixed goal (problem). The problem is allowed to change over time. Two algorithms for co-evolution are presented. Their characteristics and differences are highlighted. The paper moves on to review the design history of the Sydney Opera House and to show how observations from this real life example confirm our co-evolutionary model.
series	CAADRIA
email
last changed	2022/06/07 08:00

_id	0c4a
authors	Tonarelli, P., Ferries, B., Delaporte, J.L. and Tahon, C.
year	1997
title	Proposal of a product model for the building trade
source	Automation in Construction 5 (6) (1997) pp. 501-520
summary	Like other industries, the building trade has had to face up to economic crisis. It is crucial for all the interacting parties to design and achieve new practices and methods, allowing them to improve performances as well as the quality of the object to be built, while reducing the costs of building projects. To achieve this, a multiple evolution of the building trade is necessary: a technical evolution which defines a process for improving performances, an organisational evolution which better structures the building project procedure and improves communication between the actors, and finally a human evolution which increases the practical and theoretical background of the parties involved. The research of Laboratoire d'Automatique et de Mécanique Industrielle et Humaine, Université de Valenciennes, particularly concerns the last two points, and aims to define a complete methodology to apply a concurrent engineering approach to the building trade. This methodology includes three stages: the definition of a building project procedure which integrates a concurrent approach, the establishment of a product model; and the design of an integrated computer system for the building trade.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:23

_id	c5a0
authors	Bradford, J., Wong, W.S., Tang, A.H.F. and Yeung, C.S.K.
year	1997
title	A Virtual Reality Building Block Composer for Architecture
doi	https://doi.org/10.52842/conf.caadria.1997.051
source	CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 51-59
summary	Design is a complex and time consuming process. One way to simplify the design process is to use pre-build blocks for commonly known parts instead of creating them again with CAD. To give the designer an immediate 3D view of the design, designing in virtual reality is a good choice. This paper presents a virtual reality interface tool which allows a user to assemble an architecture structure from a library of pre-built blocks. The library is a distributed client-server database.
series	CAADRIA
email
last changed	2022/06/07 07:54

_id	ccc0
authors	Braithwaite, G., Radford, A., Huang, E. , Chang, T.W., Jones, D., Woodbury, R. and Sweeting, R.
year	1997
title	The Computer Modeling of Development Proposals: A Routine Part of Development Control
doi	https://doi.org/10.52842/conf.caadria.1997.123
source	CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 123-132
summary	This paper describes and discusses the aims and practicalities involved in the computer modeling of contentious development applications becoming accepted as a routine part of the processes of development control. It uses three case studies drawn from the University of Adelaide’s work with the City of Adelaide in Australia to delineate the role of 3D computer models of proposed new buildings and their immediate surroundings in the public understanding of the streetscape, neighbourhood context, overshadowing and overlooking implications of the proposals.
keywords	3D City Modeling
series	CAADRIA
last changed	2022/06/07 07:54

_id	ed09
authors	Chang, Teng Wen and Woodbury, Robert F.
year	1997
title	Efficient Design Spaces of Non-Manifold Solids
doi	https://doi.org/10.52842/conf.caadria.1997.335
source	CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 335-344
summary	One widely accepted metaphor in design research is search or, equivalently, exploration which likens design to intelligent movement through a possibly infinite space of alternatives. In this metaphor, designers search design spaces, explore possibilities, discover new designs, and recall and adapt existing designs. We give the name design space explorers to computer programs that support exploration. This paper describes an efficient representation of states comprising three-dimensional non-manifold solid models and of design spaces made from such states.
series	CAADRIA
email
last changed	2022/06/07 07:56

_id	c1ad
authors	Cheng, Nancy Yen-wen
year	1997
title	Teaching CAD with Language Learning Methods
doi	https://doi.org/10.52842/conf.acadia.1997.173
source	Design and Representation [ACADIA ‘97 Conference Proceedings / ISBN 1-880250-06-3] Cincinatti, Ohio (USA) 3-5 October 1997, pp. 173-188
summary	By looking at computer aided design as design communication we can use pedagogical methods from the well-developed discipline of language learning. Language learning breaks down a complex field into attainable steps, showing how learning strategies and attitudes can enhance mastery. Balancing the linguistic emphases of organizational analysis, communicative intent and contextual application can address different learning styles. Guiding students in learning approaches from language study will equip them to deal with constantly changing technology. From overall curriculum planning to specific exercises, language study provides a model for building a learner-centered education. Educating students about the learning process, such as the variety of metacognitive, cognitive and social/affective strategies can improve learning. At an introductory level, providing a conceptual framework and enhancing resource-finding, brainstorming and coping abilities can lead to threshold competence. Using kit-of-parts problems helps students to focus on technique and content in successive steps, with mimetic and generative work appealing to different learning styles. Practicing learning strategies on realistic projects hones the ability to connect concepts to actual situations, drawing on resource-usage, task management, and problem management skills. Including collaborative aspects in these projects provides the motivation of a real audience and while linking academic study to practical concerns. Examples from architectural education illustrate how the approach can be implemented.
series	ACADIA
email
last changed	2022/06/07 07:55

_id	c6ea
authors	Chow, Ka-Ming Benny
year	1997
title	Computation in Daylight Architecture
doi	https://doi.org/10.52842/conf.caadria.1997.093
source	CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 93-105
summary	Daylight phenomena are dynamic, complex and difficult to capture. Students find that they are hard to study and master. Basically, there are three approaches to the problem: physical modeling, graphic techniques and computation. Most of the students make use of all three channels to solve their design problem, but some of them don’t pay enough attention to the third approach – computation.
series	CAADRIA
email
last changed	2022/06/07 07:56

_id	4983
authors	Cutting-Decelle, A.-F., Dubois, A.-M. and Fernandez, I.
year	1997
title	Management and Integration of Product Information in Construction: Reality and Future Trends
source	The Int. Journal of Construction IT 5(2), pp. 19-46
summary	For many years numerous efforts have been spent on the development of standardized approaches for modelling industrial information. During this period stand-alone software tools have been developed in most industries including the Building and Construction sector : Computer Aided Design (CAD) tools, technical software such as software development for energy analysis, project management systems, product databases etc. As this set of computer tools became more and more heterogeneous, the need for communication tools has emerged to enable data to be exchanged between them. Standardising data exchange then becomes a logical step in the improvement of the information management during the whole construction process. The aim of this paper is to put forward the state-of-the art in the domain of product model approaches and standards developments : ISO 10303 STEP, ISO 13584 P-LIB and ISO 15531 MANDATE. We will give a global overview of the existing applications in the construction sector, both in terms of product, or process models, most of them provided by either national or European projects.
series	journal paper
last changed	2003/05/15 21:45

_id	b8a4
authors	Dani, Tushar H and Gadh, Rajit
year	1997
title	Creation of concept shape designs via a virtual reality interface
source	Computer-Aided Design, Vol. 29 (8) (1997) pp. 555-563
summary	This paper describes an approach for creating concept shape designs in a virtual reality environment--COVIRDS (COnceptual VIRtual Design System. Conceptdesign refers to the ab initio design of a product or part. In concept design, the product details such as shape features and exact dimensions are not rigidly definedand the designer has some freedom in determining the shape and dimensions of the product. Current CAD require the designer to specify shape and dimensions tocreate CAD models of products even though these are probably not necessary at the concept development stage. COVIRDS overcomes these drawbacks by providing abi-modal voice and hand-tracking based user interface to the VR-based CAD modeling environment. This interface allows rapid concept design creation withoutrequiring time consuming shape description and the tedious specifications of exact dimensions.
keywords	Concept Shape Design, Virtual Reality Interfaces, Geometric Modeling
series	journal paper
last changed	2003/05/15 21:33

_id	4e85
authors	Datta, S., Chang, T.W. and Woodbury, R.F.
year	1997
title	Describing Temple Cellas Using Seed-Config
doi	https://doi.org/10.52842/conf.caadria.1997.367
source	CAADRIA ‘97 [Proceedings of the Second Conference on Computer Aided Architectural Design Research in Asia / ISBN 957-575-057-8] Taiwan 17-19 April 1997, pp. 367-376
summary	We focus on portions of the constructive geometry of early Hindu temple cellas from western India, the use of massing technologies in SEED-Config, a rule based generative modeller and the spaces of cella designs engendered by such descriptions. We introduce the basic cella form and present two technology sets in detail, Anga and Sikhara, based on canonical geometric relations in two dimensions and demonstrate the use of these relations in three dimensions. Finally, we propose research directions and draw lessons from our experience in the writing of domain specific descriptions.
series	CAADRIA
email
last changed	2022/06/07 07:55

_id	389b
authors	Do, Ellen Yi-Luen
year	2000
title	Sketch that Scene for Me: Creating Virtual Worlds by Freehand Drawing
doi	https://doi.org/10.52842/conf.ecaade.2000.265
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. 265-268
summary	With the Web people can now view virtual threedimensional worlds and explore virtual space. Increasingly, novice users are interested in creating 3D Web sites. Virtual Reality Modeling Language gained ISO status in 1997, although it is being supplanted by the compatible Java3D API and alternative 3D Web technologies compete. Viewing VRML scenes is relatively straightforward on most hardware platforms and browsers, but currently there are only two ways to create 3D virtual scenes: One is to code the scene directly using VRML. The other is to use existing CAD and modeling software, and save the world in VRML format or convert to VRML from some other format. Both methods are time consuming, cumbersome, and have steep learning curves. Pen-based user interfaces, on the other hand, are for many an easy and intuitive method for graphics input. Not only are people familiar with the look and feel of paper and pencil, novice users also find it less intimidating to draw what they want, where they want it instead of using a complicated tool palette and pull-down menus. Architects and designers use sketches as a primary tool to generate design ideas and to explore alternatives, and numerous computer-based interfaces have played on the concept of "sketch". However, we restrict the notion of sketch to freehand drawing, which we believe helps people to think, to envision, and to recognize properties of the objects with which they are working. SKETCH employs a pen interface to create three-dimensional models, but it uses a simple language of gestures to control a three-dimensional modeler; it does not attempt to interpret freehand drawings. In contrast, our support of 3D world creation using freehand drawing depend on users’ traditional understanding of a floor plan representation. Igarashi et al. used a pen interface to drive browsing in a 3D world, by projecting the user’s marks on the ground plane in the virtual world. Our Sketch-3D project extends this approach, investigating an interface that allows direct interpretation of the drawing marks (what you draw is what you get) and serves as a rapid prototyping tool for creating 3D virtual scenes.
keywords	Freehand Sketching, Pen-Based User Interface, Interaction, VRML, Navigation
series	eCAADe
email
more	http://www.uni-weimar.de/ecaade/
last changed	2022/06/07 07:55

_id	d60d
authors	Flemming, U., Bhavnani, S.K. and John, B.E.
year	1997
title	Mismatched Metaphor: User vs. System Model in Computer-Aided Drafting
source	Design Studies 18 (1997), 349-368
summary	We report findings from an extensive study of the users of a Computer-Aided Drafting (CAD) system. Our observations suggest that the CAD system is used inefficiently, because users approach computer_aided drafting from a T-square metaphor reflecting their past experience with traditional drawing media. This prevents them from discovering and using effectively powerful system commands that have no equivalent in manual techniques. These findings suggest that we should rethink the ways in which CAD users are trained and manuals are written, and that we introduce CAD users to a more strategic use of CAD, particularly to a Detail/Aggregate/Manipulate (DAM) strategy that takes advantage of the compositional logic underlying a design.
keywords	Architectural Design, Computer_aided Drafting; User Behaviour; Case Study; Modelling
series	journal paper
email
last changed	2003/05/15 21:45

_id	2070
authors	Forgber, U., Kohler, N., Koch, N., Schmidt, F. and Haller. R.
year	1997
title	Integration of Sustainable Approaches in the Building Design Process
source	Firenze International Conference for Teachers of Architecture, 16.-18. October 1997, Firenze, Italy
summary	Sustainable approaches in the choice of building components require attentive control of the building design and complex analyses of the behavior of chosen components and their ecological balance. One strategy to support sustainable approaches is the technique of integrated planing. Integrated planing comprises both, horizontal (interdisciplinary teams) and vertical (building life cycle oriented) integration. Its realization requires the ability to view a building under different aspects (e.g. views of domain experts) and at different stages over time (preliminary design, design, construction, operation, demolition). These different views can only be considered at once, if different approaches in various areas such as computer aided design (CAD), modeling (PDM), and cooperation (CORBA) are integrated into one working environment. Over the last decade, the Institut für Industrielle Bauproduktion (ifib), University of Karlsruhe, Germany and the Institut für Kernenergetik und Energiesysteme (IKE), University of Stuttgart (Germany), have investigated various tools and techniques, supporting the implementation of these approaches. Several research projects were subject to experiments in this context.
series	other
email
last changed	2003/02/26 18:58

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