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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Hits 101 to 120 of 508

_id caadria2011_072
id caadria2011_072
authors Gallas, Mohamed-Anis; Didier Bur and Gilles Halin
year 2011
title Daylight and energy in the early phase of architectural design process: A design assistance method using designer’s intents
source Proceedings of the 16th International Conference on Computer Aided Architectural Design Research in Asia / The University of Newcastle, Australia 27-29 April 2011, pp. 761-770
summary The integration of daylighting from the beginning of the design process can help designers to create buildings that respect their environment benefit from the solar gain thus giving an answer to illumination and energy needs (Bodart et al, 2002). This paper proposes a declarative assistance method/tool designed for the early design phase. This method assists the designer in integrating the daylight and its energetic impact from the beginning of the architectural design process by means of intents. The intents are related to the daylight, energy and spatial configuration aspects of the architectural project. The method translates the designer’s intents into potential solutions. They are the first formal representation of the architect’s intents that could be customized and altered during the next architectural design phases.
keywords Daylight; energy; early design phase; design support; intents
series CAADRIA
email gallas@crai.archi.fr
last changed 2012/05/30 19:29

_id ga0204
id ga0204
authors García-Salgado, Tomás
year 2002
title Modular Perspective as a Method for Generative Design
source International Conference on Generative Art
summary Apparently there are many methods for perspective but if we categorize them there are just a few. Some criterions of classification relate perspective to the so-called 1-point, 2-point and 3-point methods, others —more formally— to projective geometry, descriptive geometry or vectorial algebra. Of course we cannot forget to mention the early treatises on perspective such as Alberti’s Della Pittura or Piero’s De Prospectiva Pingendi, which escapes any classification. Our aim on this article is not precisely to solve the classification problem rather we propose a new comprehensive method for perspective, capable of 3D representation without using vanishing points.The modular perspective method allows us to work in true three-dimensionality on the perspective plane (PPl). We will explain how to measure directly on the PPl the triad coordinates (x, y, p) of a given point into the visual space, and how to play with the symmetrical planes X and Y (SPl X/Y) in order to generate or recover data. Finally we will explain how to employ modular perspective in generative design formal-process through an example of application.
series other
email tgsalgado@perspectivegeometry.com
more http://www.generativeart.com/
last changed 2003/08/07 15:25

_id 8301
authors Garner, S. and Mann, P.
year 2002
title Interdisciplinarity: Perceptions of the Value of Computer Supported Collaborative Work in Design for the Built Environment
source CAADRIA 2002 [Proceedings of the 7th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 983-2473-42-X] Cyberjaya (Malaysia) 18–20 April 2002, pp. 221-228
summary This paper presents the findings from a study into the current exploitation of CSCW in design for the built environment in the UK. The research is based on responses to a web-based questionnaire. Members of various professions including civil engineers, architects, building services engineers and quantity surveyors were invited to complete the questionnaire. The responses reveal important trends in the breadth and size of project teams at the same time as new pressures are emerging regarding team integration and efficiency. The findings suggest that while CSCW systems may improve project management (e.g. via project documentation) and the exchange of information between team members it has yet to significantly support those activities that characterize integrated collaborative working between disparate specialists. The authors conclude by combining the findings with a wider discussion of the application of CSCW to design activity – appealing for CSCW to go beyond multidisciplinary working to achieve interdisciplinary working.
series CAADRIA
email s.w.garner@open.ac.uk
last changed 2002/04/25 17:26

_id 2acf
authors Gero, John
year 2002
title Situated Computing: A New Paradigm for Design Computing
source SIGraDi 2002 - [Proceedings of the 6th Iberoamerican Congress of Digital Graphics] Caracas (Venezuela) 27-29 november 2002, p. 1
summary Computer usage in design has largely been in the areas of document production, 3D modelling and to a lesser extent in specialised design analysis and design synthesis tasks. This use of computers by designers has been based on well-defined practices that have their genesis in the scientific approach to knowledge. Just as knowledge is independent of its use and independent of its user, so computer programs are designed to be independent of their use and independent of their users. This talk presents a complementary paradigm based on the notions of situated cognition as the basis of the development of new kinds of computational design tools.Situated cognition holds that where are you and when you are there matters and that the state you are in affects what you do. The fundamental difference is between encoding all knowledge prior to its use to allowing the knowledge to be grounded in the interaction between the computational system and its environment. In addition to the concepts of situated cognition there is another important concept called constructive memory. Constructive memory changes our view of “memory” in acomputational system from being a thing in a place that can be accessed with the correct index to being a process that produces a “memory” when needed. Thus, memory is constructed as needed and becomes a function of both the question it is used to respond to and the situation within which it was asked. These concepts provide the foundation for the developmentof novel tools to support computer-aided designing. Examples of situated cognition and constructive memory will be presented. This will be followed by examples of situated design analysis and situated computational design creativity.
series SIGRADI
email john@arch.usyd.edu.au
last changed 2016/03/10 08:52

_id d65c
authors Glymph, J., Shelden, D., Ceccato, C., Mussel, J. and Schober, H.
year 2002
title A Parametric Strategy for Freeform Glass Structures Using Quadrilateral Planar Facets
source Thresholds - Design, Research, Education and Practice, in the Space Between the Physical and the Virtual [Proceedings of the 2002 Annual Conference of the Association for Computer Aided Design In Architecture / ISBN 1-880250-11-X] Pomona (California) 24-27 October 2002, pp. 303-321
summary The design and construction of freeform glass roofing structures is generally accomplished through theuse of either planar triangular glass facets or curved (formed) glass panes. This paper describesongoing research on the constructability of such structures using planar quadrilateral glass facets for theJerusalem Museum of Tolerance project by Gehry Partners, in collaboration with Schlaich Bergermann& Partners, engineers. The challenge here lies not only in the development of a geometric strategy forgenerating quadrilateral planar facet solutions, but also in the fact that said solutions must closely matchthe designs created initially in physical model form by the architects.We describe a simple but robust geometric method for achieving the structure by incorporating thenecessary geometric principles into a computational parametric framework using the CATIA Version 5system. This generative system consists of a hierarchical set of geometric ‘control elements’, that drivethe design toward constructible configurations. Optimization techniques for approximating the generatedstructural shape to the original created by the designers are also described. The paper presents theunderlying geometric principles to the strategy and the resulting computational approach.
series ACADIA
email cc@asyncc.com
last changed 2002/10/26 23:25

_id dab0
authors Halin, G., Hanser, D., Malcurat, O. and Bignon, J.C.
year 2002
title A relational approach of cooperation in building design
source International conference on concurrent enterprising, Rome
summary The methods and models of the concurrent engineering taken from the industry domain are unsuitable for the domain of the construction, which is characterized by a singular context of cooperation. The existing groupware tools can not be directly used in the framework of the architectural conception. They require a high level of definition of procedures and exchanges, which is incompatible with the flexibility of current practices. At first, we present the particularity of the context of the building cooperation, then we illustrate through an experiment the problems put by the use of a groupware tool based on a hierarchical data organization. From this experiment, we justify the interest of building a new model of cooperation where the relational organization of the project is taken into account. The integration of this new dimension allows to propose to the user an adapted vision of the project by taking into account the role he plays inside the project.
series other
last changed 2003/04/23 13:50

_id 36d5
authors Hanser, D., Halin, G. and Bignon, J.-C.
year 2002
title Toward a user adaptive vision of architectural projects
source Connecting the Real and the Virtual - design e-ducation [20th eCAADe Conference Proceedings / ISBN 0-9541183-0-8] Warsaw (Poland) 18-20 September 2002, pp. 238-245
summary The architectural conception is a particular cooperation situation. One characteristic of this cooperation is a “mutual prescription” between actors through a specific relational organization. Then each actor keeps up specific relations with others people (designers, project managers,…) but also with documents and activities. The representation of such network, which characterizes each project, is the one of the objectives of the “Relational model”. The existing groupware tools can not be directly used in the framework of the architectural conception. They require a high level of definition of procedures and exchanges, which is incompatible with the flexibility of current practices. The second objective of this model is to give to each actor an adapted vision of the project evolution. This representation has to be adapted to the role and the participation of the actor at each moment of the project life cycle. We propose in this article an open hyperdocument structure based on a relational model of cooperation. Some experimental views and navigations are exposed and commented. The integration of this new dimension allows to propose to the user an adapted vision of the project by taking into account the role he plays inside the project.
series eCAADe
email hanser@crai.archi.fr, halin@crai.archi.fr, bignon@crai.archi.fr
last changed 2002/09/09 17:19

_id 65cb
authors He, J. and Tsou, J.-Y.
year 2002
title GIS-Based Visual Perception Assessment of Mountain Skyline: A case study of Jinzishan Hill and the building layout of an adjacent site planning project
source CAADRIA 2002 [Proceedings of the 7th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 983-2473-42-X] Cyberjaya (Malaysia) 18–20 April 2002, pp. 241-248
summary In this paper, we present a GIS based approach to evaluate the visual perception quality of mountain skyline. Through computer generated analytical maps and perspectives, this tool can assist planners to define the visual reservation scopes for mountain skyline within urban area. It also offers concrete data supporting for appropriate strategy in building layout or site planning to preserve valuable natural skyline scenery.
series CAADRIA
email hejie@cuhk.edu.hk
last changed 2002/04/25 17:26

_id 2d03
authors Head, J., Hoag, R. and Brooks, K.
year 2002
title An Evaluation of Urban Simulation Processes for the Elumens Vision Dome
source Thresholds - Design, Research, Education and Practice, in the Space Between the Physical and the Virtual [Proceedings of the 2002 Annual Conference of the Association for Computer Aided Design In Architecture / ISBN 1-880250-11-X] Pomona (California) 24-27 October 2002, pp. 55-63
summary This paper reports an evaluation of the potential use and value of three digital urban simulationstechniques presented on a hemispheric display system made by Elumens®. The utility of this system toengage students and decision-makers in a process of envisioning alternative futures for a communitycollege campus in a Midwestern U.S. city is discussed. Visualization of alternative environments is acritical part of planning and design. The ability of designers, planners and their students to use media toengage and communicate proposals is essential to effective participatory design processes.
series ACADIA
email jeffhead@ksu.edu
last changed 2002/10/26 23:25

_id ddssar0215
id ddssar0215
authors Hensen, Jan
year 2002
title Simulation for Performance Based Building and Systems Design:Some Issues and Solution Directions
source Timmermans, Harry (Ed.), Sixth Design and Decision Support Systems in Architecture and Urban Planning - Part one: Architecture Proceedings Avegoor, the Netherlands), 2002
summary This paper is about adequate deployment of building performance simulation in decision support for integrated building and systems design. The underlying issues are sketched. The main thrust of the paper is to describe ongoing and future research in this area.
series DDSS
last changed 2003/08/07 14:36

_id heylighen__arcc2003
id Heylighen _ARCC2003
authors Heylighen , Ann and Seger, Nicole
year 2002
title An architectural Shift+F7 - Supporting concept development through design cases
source Lucie Fontein (ed) ARCC/EAAE Conference on Architectural Research Proceedings, School of Architecture, McGill University, Montreal (Canada), May 22-25, 2002, 10 p. (CD Rom)
summary This paper describes the linking of Idea Space/E3dAD, a system that captures and interprets the architect’s ideas with DYNAMO, a dynamic memory of design cases, to support concept development in architectural design. So far, a major obstacle for the breakthrough of digital case bases like DYNAMO has been the separateness of these tools from the architect’s working environment. Having to leave this environment to consult a case base inconveniently interrupts the design process. The remedy proposed in this paper was inspired by the Shift+F7 shortcut in Ms Word. Just like this shortcut allows authors to look up synonyms in a thesaurus without having to leave the text, linking Idea Space to DYNAMO enables architects to trigger case retrieval ‘en passant’, that is during the very act of designing.
series other
email Ann.Heylighen@asro.kuleuven.ac.be
last changed 2004/03/25 16:59

_id 9f7b
authors Heylighen, Ann and Segers, Nicole M.
year 2002
title Crossing Two Thresholds with one Stepping Stone – Scenario for a More Comfortable Design Environment
source Thresholds - Design, Research, Education and Practice, in the Space Between the Physical and the Virtual [Proceedings of the 2002 Annual Conference of the Association for Computer Aided Design In Architecture / ISBN 1-880250-11-X] Pomona (California) 24-27 October 2002, pp. 145-153
summary In architecture, design ideas are developed as much through interaction as by individuals in isolation.This awareness inspired the development of a dynamic architectural memory online, an interactiveplatform to share ideas, knowledge and insights among architects/designers in different contexts and atdifferent levels of expertise. User interaction revealed this platform to suffer from at least two thresholds:First of all, consultation during design is impeded by a physical threshold that separates the platformfrom the designer’s working environment. Secondly, designers tend to sense a psychological thresholdto share their ideas and insights with others. This paper proposes to cross both thresholds byconnecting the collective platform to a private design space, where designers can feel free to jot downand reflect on their ideas without fear for criticism, compromise or copying. This connection should allowthem to access the platform during the very act of designing, and to regulate to what extent they ‘giveaway’ their own ideas. The latter regulation is literally meant as a stepping stone that if not primes, thenat least paves the way for a sincere shift in mentality.
series ACADIA
email ann_heylighen@yahoo.com
last changed 2002/10/26 23:25

_id 02e3
authors Hirschberg, Urs
year 2002
title Transparency In Information Architecture Enabling large scale creative collaboration over Internet in architectural education
source Connecting the Real and the Virtual - design e-ducation [20th eCAADe Conference Proceedings / ISBN 0-9541183-0-8] Warsaw (Poland) 18-20 September 2002, pp. 174-179
summary This paper presents some results of a quantitative process analysis of two types of courses in Computer Aided Architectural Design that were taught using database-driven online environments. It focuses on the performance of these online environments as information structures, designed to accommodate the presentation and the peer-to-peer exchange of design information for relatively large groups of between 60 and 150 participants. Using the database records to reconstruct the processes, three different quantitative analyses are described. Their results indicate that for these projects the webenvironments were successful in enhancing peer-to-peer learning and that they promoted a more objective assessment of the submitted works. The study also looks at the effect that the environments themselves had on the process. Finally it makes some conclusions about how such environments must be designed to handle the dynamic display of design data in a way that is transparent to the users.
series eCAADe
email uhirschberg@gsd.harvard.edu
last changed 2002/09/09 17:19

_id caadria2006_561
id caadria2006_561
authors HONG-SHENG CHEN, CHAN-JUI LIU
year 2006
title AN ADAPTIVE DESIGN SUPPORT SYSTEM FOR INTERACTIVE IMAGE SEARCHING WITH DATA MINING METHODOLOGY
source CAADRIA 2006 [Proceedings of the 11th International Conference on Computer Aided Architectural Design Research in Asia] Kumamoto (Japan) March 30th - April 2nd 2006, 561-563
summary This study explodes a domain where the use of pictures is essential [Sabrina Kacher 2002]. Designers need a way to rapidly get image. Recent years, there are more and more companies start to store and sale images for designers. They try to use hypermedia or website system to support designers when they need images.
series CAADRIA
email chsh@ntu.edu.tw
last changed 2006/04/17 16:48

_id 9f9c
authors Hu, Xiaochun
year 2002
title An Information-based Framework for Composites Design
source Drexel University
summary The heterogeneity of composites determines that composite materials can be engineered to better satisfy a specific design requirement. The main problems that have hindered the application of composites are the need for the material and manufacturing design to be conducted simultaneously, the involvement of a large number of design factors, the difficulty in the characterization of composites, and the inherent repetition of the design process. Considering these problems, this thesis presents an information-based framework for composites design. This research consists of four main aspects: (1) The development of a heterogeneous CAD modeling algorithm and an integrated CAD/CAE method, and their application in a unit cell-based characterization of composite materials with a complex fiber form; (2)The development of a unit cell database for improving the material and manufacturing process design, which covers the design of its database model and the access strategies based on the logic architecture of unit cells and the relationships among elements of unit cells and with the environments; (3)The design of an Information-Based Design Support System (IBDSS) to support the composites design by using the unit cell database, in which the blackboard framework is adopted for the system to organize various computer techniques for different design stages, and to support the design iterating to satisfactory ones incrementally and efficiently, and the data structure of the blackboard, the algorithm to control design iterations, and design procedures for every stage are studied; and (4) The introduction of a ranking-based unit cell evaluation methodology and effective ranking factors for facilitating and improving the composite design process. The approach improves the efficiency of composites design by automating design iterations, supporting composite characterization, alleviating the cost of composite material and manufacturing method design, and assisting in tailored material selection. Case studies are presented to show how the IBDSS is applied to support composites design.
keywords Mechanical Engineering
series thesis:PhD
email xiaochun.hu@drexel.edu
last changed 2003/02/12 21:37

_id caadria2005_b_5c_g
id caadria2005_b_5c_g
authors Hue-Ku Shih
year 2005
title Social Events Awareness System in Design Environment: An Interactive Public Information Services Provider
source CAADRIA 2005 [Proceedings of the 10th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 89-7141-648-3] New Delhi (India) 28-30 April 2005, vol. 2, pp. 404-410
summary This paper is an application of its main project, “Interactive Public Information Services Provider in Design Environment”. The project is based on the ID sensing technology and network services to support the social events, formal/informal communication and data communication…etc. In the paper we emphasize on how we can support social events in pervasive computing method. An architect indicates that informal communication is the key of creative ideas in design environment. (Henn, 2002) Here we describe how the concept of the main project can support the awareness of social events in design environment. We introduce the awareness system into three parts: 1. Scenarios 2. Parts in the framework 3. The design issues in the system.
series CAADRIA
email hugobozzshih007@msn.com
last changed 2005/04/30 01:30

_id 8fba
authors Hui, K.C.
year 2002
title Free-form design using axial curve-pairs
source Computer-Aided Design, Vol. 34 (8) (2002) pp. 583-595
summary Deformation of 3D shapes usually requires the use of a deformation tool. The freeform deformation technique requires the use of a lattice of control point for deforming anobject. This may require a synchronized movement of the lattice control points in order to obtain the desired effects. The axial deformation technique allows an object to bedeformed by manipulating an axial curve. However, unexpected twist of the object may be obtained. This is a result of the lack of control on the local coordinate frame of thecurve. This paper presents a technique for deforming objects with a set of axial curve-pairs. The use of a curve-pair allows the local coordinate frame to be controlledintuitively. A curve-pair is composed of a primary and an orientation curve. The orientation curve is an approximate offset of the primary curve. A technique is proposed formaintaining the relation between the primary and the orientation curve when the curve-pair is adjusted. By associating a complex 3D object to a curve-pair, the object can bestretched, bended, and twisted intuitively through manipulating the curve-pair. This deformation technique is particularly suitable for manipulating complex shapes (e.g.decorative components) in industrial and aesthetic design, and is also suitable for modelling characters and animals with flexible bodies. Adjusting the curve-pair according tosome motion constraints produces different postures of a character or animal model. This in turn can be used as decorative components for aesthetic design.
keywords Cross-Sectional Design, Sweeping, Axial Curve-Pair, Axial Deformations, Aesthetic Design, Geometric Modelling
series journal paper
last changed 2003/05/15 19:33

_id c839
authors Hwang, Jie-Eun
year 2002
title SpaceScope: Developing a Spatial Information Retrieval System - Focused on Apartment Unit Floor Plans -
source Yonsei University, Dept. of Housing & Interior Design
summary This research investigates the spatial information retrieval (IR) in architecture focused on constructing efficient metadata that is crucial for data retrieval. Generally speaking, metadata is ‘structured data about data’ to describe resources especially in a digital format. In this research, metadata is a sort of data object to be useful in searching spatial information. Metadata is also used to describe raw spatial data object as not only attribute data but also content structurally and semantic ally. There are two issues that motivate this research; 1) what is the spatial information – that materializes the intangible space as a data object, and 2) how we can search the information efficiently – the content-based information retrieval. Although knowledge of a building’s spatial content is most important in architecture, there has been no logical method to manage it.

From the viewpoint of content-based retrieval, the researcher analyzes spatial information of a floor plan, with a focus on the apartment unit floor plan common in Korea. Then the metadata items are extracted in a structured manner. To manage the items efficiently, the researcher develops a data model for spatial information according to the concept of the “Structured Floor Plan”. The main object of content to retrieve is a spatial network that consists of nodes of spaces and their linkages. There are two ways to organize the metadata: the traditional index files and the RDF (Resource Description Framework). While the index files are still efficient with computability, the RDF applies greater options to retrieve, such as fuzzy predicates, semantic predicates, and so on. To exploit the metadata, this research shows several possibilities of query operations that present a set of sample queries about L-DK(Living room – Dining room – Kitchen). Implementation of the prototype system is divided into three parts: 1) a modeling module using Vitruvius; 2) an indexing module using MS SQL Server? 2000 in conjunction XML; and 3) a browsing module using the SpaceScope browser.

The future works may consider XML-based databases and a knowledge based query language, such as RQL/XQL, working on such databases. The more specific domain knowledge is involved, the more practical systems would be. Even in architecture, there may be a diverse range of domain knowledge, such as design, building performance, facility management, energy management, post occupied evaluation, historical research, and so on. Also the issue of interface should be investigated in depth, so that it will be adequate to the needs of the architectural field.

keywords Content-based Information Retrieval; Metadata; RDF; XML; Spatial Information; Apartment Floor Plan; Semantics
series thesis:MSc
email curiozen@yonsei.ac.kr
last changed 2003/04/25 05:27

_id ddssar0217
id ddssar0217
authors Kacher, S., Bignon, J.C., Halin, G. and Duffing, G.
year 2002
title The Content-Based Image Retrieval as an Assistance Tool to the Architectural Design
source Timmermans, Harry (Ed.), Sixth Design and Decision Support Systems in Architecture and Urban Planning - Part one: Architecture Proceedings Avegoor, the Netherlands), 2002
summary The architectural design requires a research of ideas and a documentation to help the designer in its creation work. It is a domain where the use of pictures (drawing, photography,…) is essential, because the information transmitted by photographic images are often more easily to understand than the one transmitted by texts. The goal of this work is to show the help that can bring the research of pictures indexed by visuals criteria, as colour, texture and shape, in the architectural design domain. If weaccept the principle that " an image is better than 10000 words ", we can make the hypothesis that an image research indexed by visual criteria can bring a supplementary help to the designer when he tries to resolve design problems. We tested a research tool resting on image indexation with graphic attributes. Two types of corpora have been used. The first one contains images illustrating building products and the second one shows buildings or parts of buildings, which illustrate the wood architecture domain. The objective of this experiment is to evaluate the relevance of this type of image indexing according to identified users needs. We try to determine which type of visual criteria is the most appropriate to help the designer in the various phases of the design process.
series DDSS
last changed 2003/08/07 14:36

_id 3ffc
authors Kalisperis, L., Otto, G., Muramoto, K., Gundrum, J., Masters, R. and Orland, B.
year 2002
title An Affordable Immersive Environment in Beginning Design Studio Education
source Thresholds - Design, Research, Education and Practice, in the Space Between the Physical and the Virtual [Proceedings of the 2002 Annual Conference of the Association for Computer Aided Design In Architecture / ISBN 1-880250-11-X] Pomona (California) 24-27 October 2002, pp. 47-54
summary This paper presents work exploring the potential of virtual reality (VR) within an affordable environmentin the early years of architectural education has been limited. Through an immersive environmentsystem in the studio, students create space by manipulating solids and voids while evaluating theanthropometric relations of the proposed solution. The students are able to study and test conceptualdetails in a virtual environment from the very beginning of their architectural design project.We carried out a usability study in order to assess student perception of the usefulness of varioussystem attributes for diverse tasks. Thirty-five surveys were collected from the students who had usedthe system. Observations indicate that within the architectural context, virtual reality techniquesinvolving depth perception can convey relevant information to students more efficiently and with lessmisrepresentation than traditional techniques.
series ACADIA
email kxm15@psu.edu
last changed 2002/10/26 23:25

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