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	e89e
authors	Kawasumi, Norihiro and Yamaguchi, Shigeyuki
year	1998
title	Reconstruction of an Architectural Three Dimensional Model from Orthographic Drawings
doi	https://doi.org/10.52842/conf.caadria.1998.355
source	CAADRIA ‘98 [Proceedings of The Third Conference on Computer Aided Architectural Design Research in Asia / ISBN 4-907662-009] Osaka (Japan) 22-24 April 1998, pp. 355-364
summary	In this paper, we describe a semi-automatic reconstruction method of a three-dimensional model from orthographic view drawings of architecture. There are several approaches to reconstruct three-dimensional solids from two-dimensional drawings. But most of them deal with mechanical drawings, not architectural drawings. We observed three-dimensional modeling process of design practice and we tried to make clear model-ing procedure from architectural drawings, such as plan and elevation views, and classified into seven typical modeling operations on three-dimensional CAD system. Then we pro-posed a reconstruction method to create a surface three-dimensional model from a set of architectural plan and elevation drawings. Each elevation drawing is defined as polygon elements. The reconstruction system makes each element of elevations built up and then placed each around the contour of the plan drawing. Several illustrative examples are in-cluded as results.
keywords	CAD, Interface, Modeling, Drawing Recognition
series	CAADRIA
email
more	http://www.caadria.org
last changed	2022/06/07 07:52

_id	220b
authors	Potier, S., Malret, J.-L-. and Zoller, J.
year	1998
title	Computer Graphics: Assistance for Archaeological Hypotheses
doi	https://doi.org/10.52842/conf.acadia.1998.366
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. 366-383
summary	This paper is a contribution to the domain of computer tools for architectural and archeological restitution of ancient buildings. We describe an application of these tools to the modeling of the 14th century AD. Thermae of Constantin in Arles, south of France. It was a diploma project in School of Architecture of MarseilleLuminy, and took place in a context defined in the European ARELATE project. The general objective of this project is to emphasize the archeological and architectural heritage of the city of Arles; it aims, in particular, to equip the museum of ancient Arles with a computer tool enabling the storage and consultation of archaeological archives, the communication of information and exchange by specialized networks, and the creation of a virtual museum allowing a redescription of the monuments and a “virtual” visit of ancient Arles. Our approach involves a multidisciplinary approach, calling on architecture, archeology and computer science. The archeologist’s work is to collect information and interpret it; this is the starting point of the architect’s work who, using these elements, suggests an architectural reconstruction. This synthesis contains the functioning analysis of the structure and building. The potential provided by the computer as a tool (in this case, the POV-Ray software) with access to several three-dimensional visualizations, according to hypotheses formulated by the architect and archaeologists, necessitates the use of evolutive models which, thanks to the parametrization of dimensions of a building and its elements, can be adapted to all the changes desired by the architect. The specific contribution of POV-Ray in architectural reconstruction of thermae finds its expression in four forms of this modeling program, which correspond to the objectives set by the architect in agreement with archeologists: (a) The parametrization of dimensions, which contributes significantly in simplifying the reintervention process of the architectural data base; (b) Hierarchy and links between variables, allowing “grouped” modifications of modelized elements in order to preserve the consistency of the architectural building’s morphology; (c) The levels of modeling (with or without facing, for example), which admit of the exploration of all structural and architectural trails (relationship form/ function); and, (d) The “model-type,” facilitating the setting up of hypotheses by simple scaling and transformation of these models (e.g., roofing models) on an already modelled structure. The methodological validation of this modeling software’s particular use in architectural formulation of hypotheses shows that the software is the principal graphical medium of discussion between architect and archaeologist, thus confirming the hypotheses formulated at the beginning of this project.
series	ACADIA
email
last changed	2022/06/07 08:00

_id	6b50
authors	Ueng,W.-D., Lai, J.-Y. and Doong, J.L.
year	1998
title	Sweep-surface reconstruction from three-dimensional measured data
source	Computer-Aided Design, Vol. 30 (10) (1998) pp. 791-805
summary	The purpose of this work was to present a surface fitting algorithm for sweep surface reconstruction from three-dimensional measured data. The sweeping ruleconsidered in this work was essentially translational sweeping in which the generators traverse about the directors to form the desired sweep surface. Thesweep-surface fitting was formulated as a nonlinear least-squares minimization problem for which an error expression was minimized which yields the optimizedgenerators, the directors and the parameter values corresponding to each measured data. An algorithm was presented also to convert the sweep surface model into acomposite spline surface which could be imported into most CAD/CAM systems. Effective experimental results were provided to illustrate the feasibility of theproposed strategy.
keywords	Reverse Engineering, Sweep-Surface Fitting, Least-Squares Method
series	journal paper
last changed	2003/05/15 21:33

_id	4d6f
authors	Chodorowski, Franciszek
year	1998
title	From Inversive Perspective to Virtual Space
source	Cyber-Real Design [Conference Proceedings / ISBN 83-905377-2-9] Bialystock (Poland), 23-25 April 1998, pp. 43-52
summary	Looking back at history, considering the proportions taken up by the particular developments of the future vision of an architectural work, one observes that the main method used was based on a form of drawing in the perpendicular projection in the form of "planes", cross sections and elevations. However, the research considering the threedimensional approach of the design solution, took into consideration a model made of wood, plaster or paper. The supplementary works in the form of an axonometric or a perspective drawing were not usually the domain of architects. Such way of presenting space was used by artists: painters and sculptors. The rapid development taking place in the use of computers in preparing architectural design documentation makes one reflect on many issues. Modern software, apart from making it possible to develop projections, cross sections and elevations, allows the presentation of a three dimensional vision of an architectural solution on the basis of axonometry, perspective and a study of virtual space. Despite the obvious progress facilitating the graphic editing process of design work, the initial design phase is an unchanged process, similar to past times ' It is based on transferring the creative invention onto paper by means of handmade sketches, similarly to making an inventory measurement note.
series	plCAD
last changed	1999/04/08 17:16

_id	e72f
authors	Dorta, Tomás and LaLande, Philippe
year	1998
title	The Impact of Virtual Reality on the Design Process
doi	https://doi.org/10.52842/conf.acadia.1998.138
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. 138-163
summary	Sketching, either hand or computer generated, along with other traditional visualization tools such as perspective drawing have difficulty in correctly representing three dimensional objects. Even physical models, in architecture, suffer in this regard because of inevitable scaling. The designer finds himself cut off from the reality of the object and is prone to misinterpretations of the object and its surrounding space and to resulting design errors. These are sometimes not perceived until too late, once the object has been constructed. Traditional tools use 2D media to represent 3D objects and only manage to introduce the third dimension in a limited manner (perspectives, not only tedious to construct, are static). This scenario affects the design process, particularly the cycle of proposal, verification and correction of design hypotheses as well as the cognitive aspects that condition the designer’s visualization of the designed object. In most cases, computer graphics mimic, through its interface, the traditional way of doing things. The architectural model is parametricized with little regard for visualization. No allowance is made for the change in the medium of graphic representation. Moreover, effort is not made to capitalize on the advantages of numerical calculation to propose new interfaces and new dimensions in object visualization. Virtual Reality (VR), seen not only as technology but as experience, brings the 3D object, abstractly viewed by traditional means, into clearer focus and provides us with these new dimensions. Errors due to abstracted representation are reduced since the interface is always three dimensional and the interactions intuitively made in real time thus allowing the designer to experience the presence of the designed object very quickly. At the École de design industriel of the Faculté d’aménagement, we have run tests using non-immersive VR–one passive (comprehension) and another active (design). This project, involving a group of 72 students during a period of six weeks (6h/week), aimed at analyzing the impact of VR as a visualization tool on the design process versus traditional tools. The results, described in this presentation, shed light on the effect of VR on the creative process as such, as well as on the quality of the results produced by that process.
series	ACADIA
email
last changed	2022/06/07 07:55

_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	338a
authors	Noble, Douglas and Hsu, Jason
year	1999
title	Computer Aided Animation in Architecture: Analysis of Use and the Views of the Profession
source	III Congreso Iberoamericano de Grafico Digital [SIGRADI Conference Proceedings] Montevideo (Uruguay) September 29th - October 1st 1999, pp. 109-114
summary	A traditional way to present three-dimensional representations of architectural design has been through the use of manually drawn perspective drawings. The perspective representation assists in the comprehension of the forms and spaces, but is difficult to manually generate. The computer revolution made perspectives much easier to generate and led to a dramatically increased use of three-dimensional representation as a presentation technique. We are just now seeing substantial uses of animation as a communication and presentation tool in architecture. This paper documents the results of two surveys of the architectural profession that sought to discover the current and near future intentions for the use of computer animation. Our belief is that current levels of computer animation use are low, but that many firms intend to start using animation both as a design and presentation tool. In early 1998 we conducted a survey of the uses of computer animation by architectural firms. We posited a set of 14 related hypotheses. This paper represents the tabulated results from 82 completed surveys out of 620 requests. While some level of confidence can be obtained from this sample size, we are publishing in the hope of encouraging continued response to the survey.
series	SIGRADI
email
last changed	2016/03/10 09:56

_id	e031
authors	Stannard, Sandy
year	1998
title	Computers in Design Exploring Light and Time
doi	https://doi.org/10.52842/conf.acadia.1998.026
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. 26-35
summary	Computers have helped bring architectural education to a digital crossroads. This new tool is effecting architectural education on numerous levels, from the simplest word processing of research papers to more complex interactive modeling. This casestudy paper will focus on the new and changing role of the computer in the design studio. In this case, the approach to integrating the computer into the studio revolves around its application simply as another tool for a designer’s use. Clearly, the use of computers in design studios is not a new development. However, as the computer’s use in design education is not yet widespread, a dialogue about methods of application is valuable for design educators. The intent behind computer use in this case was not to replace traditional design methods but to complement and enhance them. In this spirit, this case study focuses on the use of computers to investigate two aspects of design that are challenging to model: light and time. In the studios to be examined here, students were required to explore their designs with both traditional tools (sketches on trace, physical study models as well as final finish models, etc.) and with newer digital tools (lighting simulation programs, threedimensional modeling programs, and animation). Students worked in teams in most cases. The computer was used both as a design tool as well as a representational tool, with varying degrees of success, depending on the student’s expertise, comfort using the computer as a design tool and access to appropriate hardware and software. In the first studio case study, the “new” medium of the computer was a perfect complement for the focus of the studio, entitled “Space and Light.” In addition to utilizing large scale physical models traditionally used for lighting design, three-dimensional computer models using Lightscape enriched the design results. Both sets of tools were vital for the design processes of the studio assignments. In the second studio case study, a traditional fourth year studio was required to use the computer to explore the dimension of time in their designs, which in this case translated into animation modeling. Integrating the computer into the design studio promises to be a complex task. As these examples will illustrate, the advantages and the disadvantages require continual balancing. Philosophical disagreement, potential discomfort, or a general lack of knowledge of digital tools may inhibit design educators from testing the potential of these ever-changing tools. Despite the challenges, this case study reveals the educational value of continued experimental use of digital tools in the design studio.
series	ACADIA
email
last changed	2022/06/07 07:56

_id	15
authors	Kensek, Karen
year	1998
title	Reconstruccion Digital de Arquitectura: Un Metodo de EnseÒanza en Modelaje, Rendering, y Animacion (Digital Reconstruction of Architecture: A Method of Training in Modelling, Rendering and Animation)
source	II Seminario Iberoamericano de Grafico Digital [SIGRADI Conference Proceedings / ISBN 978-97190-0-X] Mar del Plata (Argentina) 9-11 september 1998, pp. 132-139
summary	Throughout time, scholars have been resurrecting the architecture of past ages, Sir Arthur Evans with the Palace of Knossos in Crete, Heinrich Schliemann with the ruins of Troy, and Thor Hyerdahl with the Kontiki and Ra ship reconstructions. Digital reconstruction provides a powerful means to portray architecture and environments that no longer exist; structures that exist in a decayed form can be restored to an appearance of their former condition; and artist's visions that never existed can be reinterpreted in three-dimensions. These types of projects are highly suitable for teaching students, especially in advanced classes, how to use computer graphics for modeling, rendering, and animation. It is often difficult to gather accurate geometric and texture data and the information that is available is often ambiguous or even contradictory. The ambiguity of the information forces the students to truly study and attempt to comprehend what they are trying to model. Indeed, working with incomplete and contradictory graphical information is a normal part of architectural practice that one often has to deal with in the early stages of design
series	SIGRADI
email
last changed	2016/03/10 09:53

_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

_id	ddss9801
id	ddss9801
authors	Achten, Henri and Leeuwen, Jos van
year	1998
title	A Feature-Based Description Technique for Design Processes: A Case Study
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	In order to develop appropriate tools for decision support in design processes, it is necessary to found them on an understanding of design. Analytical techniques of design processes that have a direct relationship with tool development can enhance design support systems development. The paper focuses on a design support system in the VR-DIS research program. The aim of this research program is to develop insight in the architectural design process and to establish design tools for architectsworking in Virtual Reality. The basic approach for data modelling in VR in this research is based on an extension of the Feature Based Modelling paradigm taken from design in mechanical engineering. The computer model of the design in the system is a Feature-based model. This paper describes design processes in terms of changes in the Feature-based model of the design. For this purpose, a case of a house design is used. Drawings in the conceptual design phase up to the preliminary design phase arestudied. Each state of the drawings is described in terms of a Feature-model. Particular design actions such as creation of spaces, definition of architectural elements, and changes during the design process can be expressed in terms of changes in the Feature-model. Because of the use of Features, the changes can be formalised in the VR-DIS system. The description in terms of Features offers an analytical toolthat leads to a functional brief for design support tools. The paper ends with a discussion of implications and future work.
series	DDSS
last changed	2003/11/21 15:15

_id	c11a
authors	Campbell, D.A.
year	1998
title	VRML In Architectural Construction Documents: A Case Study
source	VRML 98 Monterey - Proceedings of the 1998 VRML Conference, pp. 115-120
summary	The Virtual Reality Modeling Language (VRML) and the World Wide Web (WWW) offer new opportunities to communicate an architect's design intent throughout the design process. We have investigated the use of VRML in the production and communication of construction documents, the final phase of architectural building design. A prototype, experimental Web site was set up and used to disseminate design data as VRML models and HTML text to the design client, contractor, and fabricators. In this paper, we discuss the way our construction documents were developed in VRML, the issues we faced implementing it, and critical feedback from the users of the Web space/site. Finally, we suggest ways to enhance the VRML specification which would enable its widespread use as a communication tool in the design and construction industries. CR Categories and Subject Descriptors: 1.3.5 [Computer Graphics]: Computational Geometry and Object Modeling - Curve, surface, solid, and object representations; 1.3.7 [Computer Graphics]: Three-Dimensional Graphics and Realism - Virtual Reality; J-6. [Computer Applications]: Computer-aided Engineering - Computer-aided design (CAD), Computer-aided manufacturing (CAM). Additional Keywords: architecture, construction, AEC, design, construction documentation, specifications, Internet, extranet, World Wide Web, VRML, virtual worlds, virtual environments
series	other
email
last changed	2003/04/23 15:50

_id	18
authors	Castane, D., Leirado, E.R., Tessier, C. and Martinez.R.
year	1998
title	El Docente y la Utilizacion de Sistemas Multimediales en Redes Telematicas Aplicados a la Ensenanza 3D en Diseno Arquitectonico (The Teacher and the use of Multimedia Systems in Telematicas Networks Applied to the Teaching of 3D in Architectonic Design)
source	II Seminario Iberoamericano de Grafico Digital [SIGRADI Conference Proceedings / ISBN 978-97190-0-X] Mar del Plata (Argentina) 9-11 september 1998, pp. 154-159
summary	The remarkable advances in the technology of computer systems, including software, hardware, and networks, continuously give us new avenues to be utilized in education. The pedagogic strategy to be developed in the utilization of digital graphic systems applied to three-dimensional design in architecture (both in the design and virtual expression of objects or already designed architectural groups) is still changing with the times.Therefore, the Department, as an extension of its experience with this type of development and as a response to deal with special situations such as large numbers of students, develops this new proposal, which is currently being used. This project uses the implementation, structuring, and building of a virtual site as an informatics classroom, utilizing multimedia systems, to be used as a support for acquiring knowledge during the learning that takes place doing the coursework. This setting would allow for the feedback between the instructor and the student to be on-going, hence both groups being efficiently motivated through examples and opportunities of how to do the following: utilize appropriate technology, manipulate the right information, utilize the right kind of software programs and techniques, revamp the knowledge, and benefit from using the appropriate digital techniques for each specific case of architectural design and expression.
series	SIGRADI
email
last changed	2016/03/10 09:48

_id	a2b0
id	a2b0
authors	Charitos, Dimitrios
year	1998
title	The architectural aspect of designing space in virtual environments
source	University of Strathclyde, Dept. of Architecure and Building Science
summary	This thesis deals with the architectural aspect of virtual environment design. It aims at proposing a framework, which could inform the design of three-dimensional content for defining space in virtual environments, in order to aid navigation and wayfinding. The use of such a framework in the design of certain virtual environments is considered necessary for imposing a certain form and structure to our spatial experience in there. Firstly, this thesis looks into literature from the fields of architectural and urban design theory, philosophy, environmental cognition, perceptual psychology and geography for the purpose of identifying a taxonomy of spatial elements and their structure in the real world, on the basis of the way that humans think about and remember real environments. Consequently, the taxonomy, proposed for space in the real world is adapted to the intrinsic characteristics of space in virtual environments, on the basis of human factors aspects of virtual reality technology. As a result, the thesis proposes a hypothetical framework consisting of a taxonomy of spatial and space-establishing elements that a virtual environment may comprise and of the possible structure of these elements. Following this framework, several pilot virtual environments are designed, for the purpose of identifying key design issues for evaluation. As it was impossible to evaluate the whole framework, six specific design issues, which have important implications for the design of space in virtual environments, are investigated by experimental methods of research. Apart from providing answers to these specific design issues, the experimental phase leads to a better understanding of the nature of space in virtual environments and to several hypotheses for future empirical research.
series	thesis:PhD
email
last changed	2003/10/29 21:37

_id	avocaad_2001_02
id	avocaad_2001_02
authors	Cheng-Yuan Lin, Yu-Tung Liu
year	2001
title	A digital Procedure of Building Construction: A practical project
source	AVOCAAD - ADDED VALUE OF COMPUTER AIDED ARCHITECTURAL DESIGN, Nys Koenraad, Provoost Tom, Verbeke Johan, Verleye Johan (Eds.), (2001) Hogeschool voor Wetenschap en Kunst - Departement Architectuur Sint-Lucas, Campus Brussel, ISBN 80-76101-05-1
summary	In earlier times in which computers have not yet been developed well, there has been some researches regarding representation using conventional media (Gombrich, 1960; Arnheim, 1970). For ancient architects, the design process was described abstractly by text (Hewitt, 1985; Cable, 1983); the process evolved from unselfconscious to conscious ways (Alexander, 1964). Till the appearance of 2D drawings, these drawings could only express abstract visual thinking and visually conceptualized vocabulary (Goldschmidt, 1999). Then with the massive use of physical models in the Renaissance, the form and space of architecture was given better precision (Millon, 1994). Researches continued their attempts to identify the nature of different design tools (Eastman and Fereshe, 1994). Simon (1981) figured out that human increasingly relies on other specialists, computational agents, and materials referred to augment their cognitive abilities. This discourse was verified by recent research on conception of design and the expression using digital technologies (McCullough, 1996; Perez-Gomez and Pelletier, 1997). While other design tools did not change as much as representation (Panofsky, 1991; Koch, 1997), the involvement of computers in conventional architecture design arouses a new design thinking of digital architecture (Liu, 1996; Krawczyk, 1997; Murray, 1997; Wertheim, 1999). The notion of the link between ideas and media is emphasized throughout various fields, such as architectural education (Radford, 2000), Internet, and restoration of historical architecture (Potier et al., 2000). Information technology is also an important tool for civil engineering projects (Choi and Ibbs, 1989). Compared with conventional design media, computers avoid some errors in the process (Zaera, 1997). However, most of the application of computers to construction is restricted to simulations in building process (Halpin, 1990). It is worth studying how to employ computer technology meaningfully to bring significant changes to concept stage during the process of building construction (Madazo, 2000; Dave, 2000) and communication (Haymaker, 2000).In architectural design, concept design was achieved through drawings and models (Mitchell, 1997), while the working drawings and even shop drawings were brewed and communicated through drawings only. However, the most effective method of shaping building elements is to build models by computer (Madrazo, 1999). With the trend of 3D visualization (Johnson and Clayton, 1998) and the difference of designing between the physical environment and virtual environment (Maher et al. 2000), we intend to study the possibilities of using digital models, in addition to drawings, as a critical media in the conceptual stage of building construction process in the near future (just as the critical role that physical models played in early design process in the Renaissance). This research is combined with two practical building projects, following the progress of construction by using digital models and animations to simulate the structural layouts of the projects. We also tried to solve the complicated and even conflicting problems in the detail and piping design process through an easily accessible and precise interface. An attempt was made to delineate the hierarchy of the elements in a single structural and constructional system, and the corresponding relations among the systems. Since building construction is often complicated and even conflicting, precision needed to complete the projects can not be based merely on 2D drawings with some imagination. The purpose of this paper is to describe all the related elements according to precision and correctness, to discuss every possibility of different thinking in design of electric-mechanical engineering, to receive feedback from the construction projects in the real world, and to compare the digital models with conventional drawings.Through the application of this research, the subtle relations between the conventional drawings and digital models can be used in the area of building construction. Moreover, a theoretical model and standard process is proposed by using conventional drawings, digital models and physical buildings. By introducing the intervention of digital media in design process of working drawings and shop drawings, there is an opportune chance to use the digital media as a prominent design tool. This study extends the use of digital model and animation from design process to construction process. However, the entire construction process involves various details and exceptions, which are not discussed in this paper. These limitations should be explored in future studies.
series	AVOCAAD
email
last changed	2005/09/09 10:48

_id	fb22
authors	Chien, Sheng-Fen
year	1998
title	Supporting information navigation in generative design systems
source	Camegie Mellon University, School of Architecture
summary	Generative design systems make it easier for designers to generate and explore design altematives, but the amount of information generated during a design session can become very large. Intelligent navigation aids are needed to enable designers to access the information with ease. Such aids may improve the usability of generative design systems and encourage their use in architectural practice. This dissertation presents a comprehensive approach to support navigation in generative design systems. This approach takes account of studies related to human spatial cognition, wayfinding in physical environments, and information navigation in electronic media. It contains a general model of design space, basic navigation operations, and principles for designing navigation support. The design space model describes how the space may grow and evolve along predictable dimensions. The basic operations facilitate navigation activities in this multi-dimensional design space. The design principles aim at guiding system developers in creating navigation utilities tailored to the needs of individual design systems. This approach is validated through prototype implementations and limited pilot usability studies. The validity of the design space model and basic navigation operations is examined through the development of a design space navigation framework that encapsulates the model and operations in a software environment and provides the infrastructure and mechanisms for supporting navigation. Three prototype navigation tools are implemented using this framework. These tools are subjected to usability studies. The studies show that these tools are easy to leam and are efficient in assisting designers locating desired information. In summary, it can be demonstrated that through the prototype implementations and usability studies, this approach offers sufficient support for the design and implementation of navigation aids in a generative design system. The research effort is a pioneer study on navigation support in generative design systems. It demonstrates why navigation support is necessary; how to provide the support; and what types of user interaction it can offer. This research contributes to information navigation studies not only in the specific domain of generative design system research, but also in the general field of human-computer interaction.
series	thesis:PhD
email
last changed	2003/02/12 22:37

_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	c88d
authors	Dave, Bharat and Danahy, John
year	1998
title	Virtual Study Abroad and Exchange Studio
doi	https://doi.org/10.52842/conf.acadia.1998.100
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. 100-115
summary	The digital design studio has an area of application where conventional media are incapable of being used; collaboration in learning, design and dialogue with people in places other than where one lives. This distinctive opportunity has lead the authors to explore a form of design brief and virtual design studio (VDS) format not well addressed in the literature. Instead of sharing the same design brief, students in this alternative format design a project in the other students’ city and do not collaborate on the same design. Collaboration with other students takes the form of teaching each other about the city and culture served by the design. The authors discovered these studios produce a focus on site context that serves our pedagogical objectives–a blend of architectural, landscape architectural and urban design knowledge. Their students use a range of commercial CAD and computer supported collaborative work (CSCW) software common to that used in many VDS experiments reported on in the literature. However, this conventional use of technology is contrasted with a second distinctive characteristic of these studios, the use of custom software tools specifically designed to support synchronous and asynchronous three-dimensional model exchange and linked attribute knowledge. The paper analyzes some of the virtual design studio (VDS) work between the Swiss Federal Institute of Technology, the University of Toronto, and the University of Melbourne. The authors articulate a framework of VDS dimensions that structures their teaching and research.
series	ACADIA
email
last changed	2022/06/07 07:55

_id	e5a2
authors	Debevec, P.
year	1998
title	Rendering synthetic objects into real scenes: Bridging traditional and image-based graphics with global illumination and high dynamic range photography
source	Proc. ACM SIGGRAPH 98, M. Cohen, Ed., 189–198
summary	We present a method that uses measured scene radiance and global illumination in order to add new objects to light-based models with correct lighting. The method uses a high dynamic range imagebased model of the scene, rather than synthetic light sources, to illuminate the newobjects. To compute the illumination, the scene is considered as three components: the distant scene, the local scene, and the synthetic objects. The distant scene is assumed to be photometrically unaffected by the objects, obviating the need for re- flectance model information. The local scene is endowed with estimated reflectance model information so that it can catch shadows and receive reflected light from the new objects. Renderings are created with a standard global illumination method by simulating the interaction of light amongst the three components. A differential rendering technique allows for good results to be obtained when only an estimate of the local scene reflectance properties is known. We apply the general method to the problem of rendering synthetic objects into real scenes. The light-based model is constructed from an approximate geometric model of the scene and by using a light probe to measure the incident illumination at the location of the synthetic objects. The global illumination solution is then composited into a photograph of the scene using the differential rendering technique. We conclude by discussing the relevance of the technique to recovering surface reflectance properties in uncontrolled lighting situations. Applications of the method include visual effects, interior design, and architectural visualization.
series	other
last changed	2003/04/23 15:50

_id	c3e0
authors	Dorsey, J. and McMillan, L.
year	1998
title	Computer Graphics and Architecture: State of the Art and Outlook for the Future
source	Computer Graphics, Vol 32, No 1, Feb 1998. pp. 45-48
summary	During the three decades since Ivan Sutherland introduced the Sketchpad system, there has been an outpouring of computer graphics systems for use in architecture. In response to this development, most of the major architectural firms around the world have embraced the idea that computer literacy is mandatory for success. We would argue, however, that most of these recent developments have failed to tap the potential of the computer as a design tool. Instead, computers have been relegated largely to the status of drafting instruments, so that the "D" in CAD stands for drafting rather than design. It is important that future architectural design systems consider design as a continuous process rather than an eventual outcome.The advent of computer graphics technology has had an impact on the architectural profession. Computer graphics has revolutionized the drafting process, enabling the rapid entry and modification of designs. In addition, modeling and rendering systems have proven to be invaluable aids in the visualization process, allowing designers to walk through their designs with photorealistic imagery. Computer graphics systems have also demonstrated utility for capturing engineering information, greatly simplifying the analysis and construction of proposed designs. However, it is important to consider that all of these tasks occur near the conclusion of a larger design process. In fact, most of the artistic and intellectual challenges of an architectural design have already been resolved by the time the designer sits down in front of a computer. In seeking insight into the design process, it is generally of little use to revisit the various computer archives and backups. Instead, it is best to explore the reams of sketches and crude balsa models that fill the trash cans of any architectural studio.In architecture, as in most other fields, the initial success of computerization has been in areas where it frees humans from tedious and mundane tasks. This includes the redrawing of floor plans after minor modifications, the generation of largely redundant, yet subtly different engineering drawings and the generation of perspective renderings.We believe that there is a largely untapped potential for computer graphics as a tool in the earlier phases of the design process. In this essay, we argue that computer graphics might play a larger role via applications that aid and amplify the creative process.
series	journal paper
last changed	2003/04/23 15:50

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