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	bb72
authors	Bourdot, P., Krus, M., Gherbi, R.
year	1998
title	Cooperation Between Reactive 3D Objects and a Multimodal X Window Kernel for CAD
source	Bunt, H., Beun, R.J., Borghuis, T. (Eds.). Multimodal Human-Computer Communication : Systems, Techniques, and Experiments. Berlin : Springer
summary	From the early steps of sketching to final engineering, a frequent and very important activity in designing objects is to perform graphical and spatial simulations to solve the constraints on the objects which are being designed. But when we analyse work situations involving the use of CAD systems, it is today an acknowledged fact that these tools are not helpful to perform these types of simulations. While knowledge modeling based on form feature concepts already offers some possibilities for attaching behaviour to objects, the simulation activity requires in addition a `real time' and `intelligent' management of the interactions between the 3D virtual objects and the CAD user. Our general purpose is to study how future CAD systems could be improved to achieve the simulation steps of object design. In this context we present some issues concerning the cooperation between a model of reactive 3D objects and a multimodal X Window kernel. We have developed a prototype of a system where objects with reactive behaviour can be built, and with which the user can interact with a combination of graphical actions and vocal commands. This prototype is used to evaluate the feasability and the usefulness of the integration of such techniques in futur applications that would be used by object designers in a real working context. We describe the current state of this system and the planned improvements.
series	other
last changed	2003/11/21 15:16

_id	3542
authors	Cha, M.Y. and Gero, J.S.
year	1998
title	Shape pattern recognition using a computable shape pattern representation
source	J.S. Gero and F. Sudweeks (eds), Artificial Intelligence in Design '98, Kluwer, Dordrecht, pp. 169-188
summary	Properties of shapes and shape patterns are investigated in order to represent shape pattern knowledge for supporting shape pattern recognition. It is based on the notion that shape patterns are classified in terms of similarity of spatial relationships as well as physical properties. Methods for shape pattern recognition are explained and examples from an implementation are presented.
keywords	Shape Patterns, Shape Representation
series	other
email
last changed	2003/04/06 08:57

_id	a96f
id	a96f
authors	Clayton, M., Johnson, R., Song, Y and Al-Qawasmi, J.
year	1998
title	Delivering Facility Documentation using Intranet Technology
doi	https://doi.org/10.52842/conf.acadia.1998.240
source	Digital Design Studios: Do Computers Make a Difference? [ACADIA Conference Proceedings / ISBN 1-880250-07-1] Québec City (Canada) October 22-25, 1998, pp. 240-253
summary	Intranet technologies present new opportunities for delivering facility documentation for use in facility management. After the design stage, building documentation is reused to support construction and then facility operation. However, a common perception is that construction documents and as-built drawings are less than optimal for reuse to support operations. We have conducted a study of facility management processes and the information content of facility documentation in the context of information technologies that are emerging into the marketplace. The study provides guidance for facility managers who are implementing and fielding new information technology systems. A better understanding of information needs during operations may also help designers to better structure their own documents for reuse. An analysis of documents that are used throughout the life cycle of facilities has led us to a characterization of operations documents that are distinct from design drawings, record drawings or as-built drawings. From an analysis of facility management processes, we have identified different roles for facility documentation in those processes. Facility documentation may be used as a resource, as input, or as output. Furthermore, from interviews of facility management personnel, we identified facility information that was rated high in importance and low in satisfaction that might be targeted when implementing a facility information system. We prepared software demonstrations that show how the information may be extracted from drawings, entered into databases and then retrieved via Web and CAD interfaces. We suggest that operations documents consist of a variety of information types and require several kinds of information tools, including databases, CAD drawings and hypertext. Intranet technologies, databases and CAD software can be integrated to achieve facility management systems that address shortcomings in current facility management operations. In particular, intranet technologies provide improved accessibility to information for facility management customers and occasional users of the systems. Our study has produced recommendations based upon utility and ease-of-implementation for delivery of information from the design team to the owner, and among personnel during operation of the facility.
series	ACADIA
email
last changed	2022/06/07 07:56

_id	1beb
authors	Coomans, M.K.D. and Timmermans, H.J.P.
year	1998
title	A VR User Interface for Design by Features
source	Timmermans (ed.) Proceedings of the 4th Conference on Design and Decision Support Systems in Architecture and Urban Planning, Maastricht
summary	We present the design of a Virtual Reality based user interface (VR-UI). It is the interface for the VR-DIS system, a design application for the Building and Construction industry (VRDIS stands for Virtual Reality - Design Information System). The interface is characterised by a mixed representation of the task domain: an analogue "mock-up view" is being integrated with a descriptive "feature view". It uses a Fish Tank VR configuration which integrates the virtual objects in the designer's normal working environment. The issues underlying the design of the feature view are discussed, as well as the choice of input devices.
series	other
last changed	2003/04/23 15:50

_id	ddss9812
id	ddss9812
authors	Coomans, M.K.D. and Timmermans, H.J.P.
year	1998
title	A VR-User Interface for Design by Features
source	Timmermans, Harry (Ed.), Fourth Design and Decision Support Systems in Architecture and Urban Planning Maastricht, the Netherlands), ISBN 90-6814-081-7, July 26-29, 1998
summary	We present the design of a Virtual Reality based user interface (VR-UI). It is the interface for the VR-DIS system, a design application for the Building and Construction industry (VRDIS stands for Virtual Reality - Design Information System). The interface is characterised by a mixedrepresentation of the task domain: an analogue “mock-up view” is being integrated with a descriptive “feature view”. It uses a Fish Tank VR configuration which integrates the virtual objects in the designer’s normal working environment. The issues underlying the design of the feature view are discussed, as well as the choice of input devices.
series	DDSS
last changed	2003/08/07 16:36

_id	04c9
authors	Crandall, N.F. and Wallace , M.J. (ed.)
year	1998
title	Work & Rewards in The Virtual Workplace
source	Amacom
summary	By now, telecommuting is a well-defined word in the corporate U.S. But how about frontline workplace? Or cyberlink workplace? Consultants Crandall and Wallace make convincing arguments about the efficacies of virtual work, and they outline detailed processes and qualifications for any organization contemplating such a move. In a very logical, almost scholarly, fashion, they define terms, explain implementation, demolish perceived and real obstacles, and prove their points via a few case histories. Yet this is not a cut-and-dried book, for the excitement of dramatic changes to our collective workplaces is captured in the descriptions. Chiat/Day assigns its employees a cell phone and a laptop, period. And at Ross Operating Valve, customers actually lead the creative design process. Job satisfaction? You bet. And a much more productive group of employees. Most important for companies interested in these virtual ideas will be the economics chapter, describing in black and white (and sometimes red) the costs involved.
series	other
last changed	2003/04/23 15:14

_id	8ad1
authors	Elsas, P.A. and Vergeest, J.S.M.
year	1998
title	New functionality for computer-aided conceptual design: the displacement feature
source	Design Studies 19 (1), pp. 81-102
summary	Conceptual design using conventional 3D CAD systems is a controversial issue among industrial designers. Although one can produce complex, accurate, finished 3D models using these CAD systems, it is still difficult to use them during early, creative product design. In this paper, a method is described that allows the design of protrusions and depressions in sculptured surfaces in a flexible and interactive manner. Through interviews with industrial designers, the basic requirements for support of such functionality during conceptual design have been formulated. An implemented method based upon these requirements has been extensively evaluated by industrial designers, and these evaluations show that industrial designers find this functionality extremely useful during conceptual shape design.
series	journal paper
last changed	2003/04/23 15:50

_id	70a1
authors	Elsasa, P.A. van and Vergeesta, J.S.M.
year	1998
title	Displacement feature modelling for conceptual design
source	Computer-Aided Design, Vol. 30 (1) (1998) pp. 19-27
summary	Although the support of surface features, where a surface feature represents a local geometric detail imposed on a surface, is well-defined on prismatic objects, this is notthe case for sculptured surface models. Current methods often lead to data-explosion, high polynomial results, or procedural solutions. In this paper a method isdescribed that allows explicit modelling of protrusions and depressions in free-form B-spline surfaces. As this functionality is intended to be used by industrial designersduring conceptual design, distinct requirements are formulated to allow its use in this early stage of design. A method is described that calculates a blending geometryapproximating G1 cross-boundary smoothness effectively. Using these requirements and approximations, protrusions and depressions can be modelled with real-timeresponse, and with unprecedented flexibility.
keywords	Surface Features, Conceptual Design, Curvature Continuity Approximating, B-Spline Patches
series	journal paper
last changed	2003/05/15 21:33

_id	07d8
authors	Garza, J.M. de la and Howitt, I.
year	1998
title	Wireless communication and computing at the construction jobsite
source	Automation in Construction 7 (4) (1998) pp. 327-347
summary	For many years, the walkie-talkie has been synonymous with the construction industry. During jobsite project execution, there are three variables which can either hinder or facilitate successful results, namely, quality, quantity, and timing of information. Wireless data communications technology is capable of delivering just-in-time information within the `last mile' between the trailer and a desired location on the jobsite. This paper reports on a study which surveyed information needs at the jobsite, emerging wireless data communications technology, and assessed the extent to which wireless data technology can fulfill the information needs of the jobsite [J.M. de la Garza, I. Howitt, Wireless communication and computing at the jobsite, Research Report 136-11, Construction Industry Institute, Austin, TX, 1997]. We have organized jobsite information needs into the following ten categories: (a) requests for information, (b) materials management, (c) equipment management, (d) cost management, (e) schedule and means and methods, (f) jobsite record keeping, (g) submittals, (h) safety, (i) QC/QA, and (k) future trends. Each category was analyzed in terms of its appropriateness to take advantage of wireless technology. The four formats considered to transmit information wirelessly were: (a) live voice, (b) live video, (c) batched data, and (d) live data. Current wireless communication technology has been classified into the following five classes: (a) circuit-switched wireless data systems, (b) packet-switched wireless data systems––this class was further subdivided into specialized mobile radio systems and cellular digital packet data systems, (c) wireless local area networks, (d) paging systems, and (e) satellite-based data communications. A primer for wireless communications covering both fundamental and advanced communications concepts has also been included to enable a better understanding of the issues involved in making trade-offs while configuring a wireless jobsite communication system. The example presented in this paper shows how a contractor can define a subset of information needs by choosing from those already articulated herein and determine if a given wireless technology should even be considered as a viable way of meeting the information needs that such company has.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:22

_id	4e03
authors	Grady, J.M.
year	1998
title	Virtual Reality: Computers Mimic the Physical World
source	New York: Facts on File
summary	In the Science Sourcebook series, a clear and sensible approach to the wonders and mysteries of virtual reality, including its history and some possible scenarios for the future. Grady compares the state of virtual reality to the situation of television in its earliest years: Everyone thought it was great, but it was wildly expensive, and the technology had not yet caught up to the possibilities. He takes a tour through virtual reality's history, and describes its current uses, still in their infancy, in medicine, architecture, business, science, and, of course, fun and games. He writes quite accurately about the function of virtual realityessentially to fool the mind and body into creating a multidimensional experience from computers, software, and devices.
series	other
last changed	2003/04/23 15:14

_id	sigradi2007_af13
id	sigradi2007_af13
authors	Granero, Adriana Edith; Alicia Barrón; María Teresa Urruti
year	2007
title	Transformations in the educational system, Influence of the Digital Graph [Transformaciones en el sistema educacional, influencia de la Gráfica Digital]
source	SIGraDi 2007 - [Proceedings of the 11th Iberoamerican Congress of Digital Graphics] México D.F. - México 23-25 October 2007, pp. 182-186
summary	The educative proposal was based on the summary attained through experiences piled up during the 2 last semester courses, 2/2006-1/2007. This proposal corresponds to a mix of methodology (by personal attendance / by internet). Founding on the Theory of the Game (Eric Berne 1960) and on different theories such as: Multiple intelligences (Haward Gardner 1983), Emotional Intelligence (Peter Salowey and John Mayer 1990, Goleman 1998), Social Intelligence (Goleman 2006), the Triarchy of Intelligence (Stemberg, R.J. 1985, 1997), “the hand of the human power”, it´s established that the power of the voice, that of the imagination, the reward, the commitment and association produce a significant increase of the productivity (Rosabeth Moss Kanter 2000), aside from the constructive processes of the knowledge (new pedagogical concepts constructivista of Ormrod J.E. 2003 and Tim O´Reilly 2004).
series	SIGRADI
email
last changed	2016/03/10 09:52

_id	ddss9822
id	ddss9822
authors	Gribnau, M.W., Verstijnen, I.M. and Hennessey, J.M.
year	1998
title	Three Dimensional Object Orientation Using the Non-Dominant Hand
source	Timmermans, Harry (Ed.), Fourth Design and Decision Support Systems in Architecture and Urban Planning Maastricht, the Netherlands), ISBN 90-6814-081-7, July 26-29, 1998
summary	The paper presents the “Turntable”, a 3D input device for orienting objects using the non-dominant hand. The device supports two-handed manipulation by allowing the non-dominant hand to orient an object while leaving the dominant hand free to perform other actions. Two-handed input is a technique that can enhance the performance, simplicity and intuitiveness of CAD systems. These properties are obligatory for CAD systems dedicated to support the conceptual phase of the design process. Anexperiment has been conducted in which the performance of the Turntable was compared to that of a well known 3D orientation method, known in literature as the “virtual sphere”. The virtual sphere is operated with the mouse using the dominant hand and is documented to be easy to use and efficient. The experiment establishes that a performance gain can be expected from a two-handed user interface that employs the Turntable for 3D object orientation with the non-dominant hand. In a single-handedinterface users must switch between rotating and manipulating an object. In a two-handed interface however, task switching is unnecessary and an additional performance benefit can be achieved when there is temporal overlap in the execution of the two tasks. Experimental results show that the Turntable, operated by the non-dominant hand, is easy to learn and its performance and accuracy are nearly equal to that of the virtual sphere operated by the dominant hand. With these results it can now be expected that a two-handed interface utilizing the Turntable performs better than a single-handed one for manipulating objects in 3D.
series	DDSS
last changed	2003/08/07 16:36

_id	074a
authors	Gross, M.D., Do, E.Y., McCall, R.J., Citrin, W.V., Hamill, P., Warmack, A. and Kuczun, K.S.
year	1998
title	Collaboration and coordination in architectural design: approaches to computer mediated team work
source	Automation in Construction 7 (6) (1998) pp. 465-473
summary	The paper reports on three projects at our laboratory that deal respectively with synchronous collaborative design, asynchronous collaborative design, and design coordination. The Electronic Cocktail Napkin and its mobile extension that runs on hand-held computers supports synchronous design with shared freehand drawing environments. The PHIDIAS hypermedia system supports long-term, asynchronous collaboration by enabling designers of large complex artifacts to store and retrieve rationale about design decisions and the Construction Kit Builder (CKB) supports team design by supporting a priori agreements among team members to avoid conflicts.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:22

_id	0b03
authors	Horváth, I., Vergeest, J.S.M., Broek, J.J., Rusák, Z. and De Smit, B.
year	1998
title	Tool profile and tool path calculation for free-form thick-layered fabrication
source	Computer-Aided Design, Vol. 30 (14) (1998) pp. 1097-1110
summary	In several application fields, large sized, free-form objects of various soft materials are widely used. Available layered prototyping technologies cannot be applied forfabrication of these kinds of objects due to size limitations. The authors have developed a novel approach of layered manufacturing that is the most appropriate forphysical concept modeling. This paper presents the algorithms for geometrically-based modeling of the profile curve of the flexible blade tool. It also describes thealgorithm for direct slicing of the CAD model. The second part of the paper deals with the algorithms for slicing, tool positioning and tool path calculation. On thefront surfaces of the layers G2, quasi G1 continuity can be implemented at the transition from one layer to another. In the circumferential direction G0 continuityexists.
keywords	Layered Manufacturing, Cutter Path Generation, Cutter Profiles, Hermite Interpolation
series	journal paper
last changed	2003/05/15 21:33

_id	9951
authors	Johnson, R.E. and Clayton, M.J.
year	1998
title	The impact of information technology in design and construction: the owner's perspective
source	Automation in Construction 8 (1) (1998) pp. 3-14
summary	This paper reports on findings of a November 1996 exploratory survey of architecture–engineering clients (Fortune 500 corporate facility managers). This research investigated how the practices of corporate facility managers are being influenced by rapid changes in information technology. The conceptual model that served as a guide for this research hypothesized that information technology acts as both an enabler (that is, information technology provides an effective mechanism for managers to implement desired changes), as well as a source of innovation (that is, new information technology innovations create new facility management opportunities). The underlying assumption of this research is that information technology is evolving from a tool that incrementally improves `back-office' productivity to an essential component of strategic positioning that may alter the basic economics, organizational structure and operational practices of facility management organizations and their interactions with service providers (architects, engineers, and constructors). The paper concludes with a discussion of researchable issues.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:22

_id	9480
authors	Kan, J.W.T., Chow, B.K.M. and Tsou, J.-Y.
year	1999
title	Visual Impact Evaluation of Electricity Substation Architecture
doi	https://doi.org/10.52842/conf.caadria.1999.081
source	CAADRIA '99 [Proceedings of The Fourth Conference on Computer Aided Architectural Design Research in Asia / ISBN 7-5439-1233-3] Shanghai (China) 5-7 May 1999, pp. 81-87
summary	This paper presents a case study of the application of computer techniques for design communication and visual impact analysis. We were sponsored by China Light & Power Company Ltd. To simulate the design of a proposed electricity substation and its it is setting in a residential neighborhood. During a five-week intensive study, we took nearly one thousand photographs of the existing site. We also created a three-dimensional CAD model of the proposed substation, and produced perspectives from points of view analogous to the photographs. We applied Apple Quicktime VR technology to document the site environment with 360-degree panoramas. We then montaged the computer-generated panoramas with those taken from the real environment. A navigable virtual environment, architectural animation and set of still images were presented to the public in September 1998. The reactions from the regional council members and local residents nearby were recorded to provide evidence to measure the effectiveness of digital architectural design communication.
series	CAADRIA
email
last changed	2022/06/07 07:52

_id	4ae8
authors	Kokosalakis, Jen, Hohmann, L.M. and Pamplin, I.
year	1999
title	Benefits of Data Integration in Building Modelling: 3D Object Oriented Professional Collaboration
source	AVOCAAD Second International Conference [AVOCAAD Conference Proceedings / ISBN 90-76101-02-07] Brussels (Belgium) 8-10 April 1999, pp. 103-130
summary	This paper will review current progress across the building construction industry in meeting demands for use of data integration with the 3D building model as the coordinating device in building design and development. Decades of national initiatives from NEDO (1990) to Egan (1998) have striven to encourage collaboration in first the building design team and later targetting in programmas the means to accomplish this. In its 14th year 'The User Group' has intensified efforts to persuade the industry of the benefits of associating all data involved from the first briefing and conception of design needs and ideas, through the development of the design, testing for structures, costs, heating, lighting, urban and rural environmental impact, facilities management, adaptation and even the eventual controlled demolition of the building. Examples in this paper will be reported from 'The User Group' conference, "Profit from Data Integration: An industry update", (NEC, Birmingham, Nov. 1998), to indicate how various organisations are now profiting from data integration in 3D object orientated modelling.
series	AVOCAAD
email
last changed	2005/09/09 10:48

_id	8cb9
authors	Lee, S., Mitchell, W.J., Naka, R., Morozumi, M. and Yamaguchi, S.
year	1998
title	The Kumamoto-Kyoto- MIT Collaborative Project: A Case Study of the Design Studio of the Future
source	Proceedings of Collaborative Buildings 1998, Darmstadt, Germany
summary	The Department of Architecture at the Massachusetts Institute of Technology has conducted a series of experimental design studios, as part of a larger ongoing research endeavour called The Design Studio of the Future, an interdisciplinary effort focusing on geographically distributed computer-mediated design and work group collaboration issues. A recent exploration was a collaborative design project joining geographically dispersed design students, faculty, researchers, and practitioners from Kumamoto University, Kyoto Institute of Technology, and MIT to examine the nature of computer networked collaborative environments and advanced computer-aided design technologies to support architectural education and practice. This paper will describe this project, which provided the students and faculty members with practical experience in the use of emerging technologies for collaboration, design, and communication in both the day-to-day activities of distributed groupwork as well as in the more formalized reviews.
series	other
last changed	2003/04/23 15:14

_id	2ca1
authors	Montagu, A. and Bermudez, J.
year	1998
title	Datarq: The Development of a Website of Modern Contemporary Architecture
doi	https://doi.org/10.52842/conf.ecaade.1998.x.p7a
source	Computerised Craftsmanship [eCAADe Conference Proceedings] Paris (France) 24-26 September 1998
summary	The pedagogic approach in the architectural field is suffering a deep change taking in consideration the impact that has been produced mainly by the CAD and multimedia procedures. An additional view to be taken in consideration is the challenge produced by the influence of advanced IT which since 1990-92, has affected positively the exchange of information among people of the academic environment. Several studies confirm this hypothesis, from the wide cultural spectrum when the digitalization process was emerging as an alternative way to data processing (Bateson 1976) to the pedagogical-computational side analyzed by (Papert 1996). One of the main characteristics indicated by S. Papert (op.cit) is the idea of "self teaching" which students are used everywhere due to the constant augment of "friendly" software and the decreasing costs of hardware. Another consequences to point out by S. Paper (op.cit) is that will be more probably that students at home will have more actualized equipment that most of the computer lab. of schools in general. Therefore, the main hypothesis of this paper is, "if we are able to combine usual tutorials design methods with the concept of "self-teaching" regarding the paradigmatic architectural models that are used in practically all the schools of architecture (Le Corbusier, F.L.Wright, M.v. der Rohe, M.Botta, T.Ando, etc.) using a Web site available to everybody, what we are doing is expanding the existing knowledge in the libraries and fulfill the future requirements of the newly generations of students".
series	eCAADe
email
more	http://www.paris-valdemarne.archi.fr/archive/ecaade98/html/35montagu/index.htm
last changed	2022/06/07 07:50

_id	24
authors	PayssÈ, M., Piperno, P., Grompone, J. and Somma, P.
year	1998
title	ReconstrucciÛn Virtual de la Colonia del Sacramento de 1762 (Virtual Reconstruction of "Colonia del Sacramento" of 1762)
source	II Seminario Iberoamericano de Grafico Digital [SIGRADI Conference Proceedings / ISBN 978-97190-0-X] Mar del Plata (Argentina) 9-11 september 1998, pp. 192-197
summary	Colonia del Sacramento (capital of Colonia department, in Uruguay) has been registered in the list of the Convention Heritage concerning the protection of worldwide cultural and natural heritage. The registration on this list (December 6th 1995) confirms the exceptional and universal value of a cultural or natural places which deserves protection for the whole humanity. The ancient Colonia del Sacramento founded in 1680 by Portugal, was a commercial and military site leading role of the historical controversy between Spain and Portugal. Main place of wars and treaties during a century, it keeps an urban design, unique in the area and valuable architectonical testimonies of different periods of this rich past, with a simple, popular profile. This work has been effected within the Clemente Estable Found 1996, which is promoted by National Council of Scientific and Technical Research (CONICYT). Through virtual reality techniques, a three-dimensional model of Colonia del Sacramento city was built as it was in its period of prosperity (around 1762). For the achievement of this digital maquette, a great deal of written and graphic information was compiled and processed. This information was organized in an inventory way (with numerous readings and searches). The inventory and the digital maquette were joined in a multimedia application (CD-ROM) which allows potential users to move through virtual city and friendly and interactively consult images, graphics and texts.
series	SIGRADI
email
last changed	2016/03/10 09:57

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