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 ascaad2004_paper4
id ascaad2004_paper4
authors Ahmad, Sumbul and Scott C. Chase
year 2004
title Design Generation of the Central Asian Caravanserai
source eDesign in Architecture: ASCAAD's First International Conference on Computer Aided Architectural Design, 7-9 December 2004, KFUPM, Saudi Arabia
summary Challenges for the study of Islamic architecture include its abundance and diversity in expression and its classification based on distinct functional or stylistic types. We address these issues by presenting shape grammars as a methodology for the analysis and design generation of Islamic architecture, with a specific example in the form of a parametric shape grammar for central Asian caravanserais. The grammar is developed by identifying distinct design types. Shape rules are created based on a study of the spatial elements and their organisation in the designs. We illustrate the utility of the grammar by deriving an extant design and as well as, previously unknown designs. We conclude by discussing possible extensions to the current grammar and future work involving the development of a grammar based framework for the comparative analysis of medieval Islamic courtyard buildings.
series ASCAAD
email s.c.chase@strath.ac.uk
last changed 2007/04/08 17:47

_id 2006_320
id 2006_320
authors Ahmad, Sumbul and Scott Chase
year 2006
title Grammar Representations to Facilitate Style Innovation - An Example From Mobile Phone Design
source Communicating Space(s) [24th eCAADe Conference Proceedings / ISBN 0-9541183-5-9] Volos (Greece) 6-9 September 2006, pp. 320-323
summary Previous research in generative design has suggested that shape grammar transformations could be used for developing new design styles by the systematic modification of grammars that encode existing styles. Our research explores how such grammar transformations can be facilitated to be responsive to changes in design style requirements. For this it is important to consider the structure and organization of rules, as well as the description of the styles of designs generated by a grammar. Using an example of mobile phone design, we outline the development of a flexible grammar structure that is conducive to transformations. The grammar is augmented with a style description scheme based on the concept of semantic differential to map the style characteristics of grammar components. These measures could be significant for driving purposeful grammar transformations for style adaptation and innovation.
keywords Design grammars; style; product design; generative design
series eCAADe
email sumbul.ahmad@strath.ac.uk
last changed 2006/08/16 16:54

_id ecaade2007_152
id ecaade2007_152
authors Ahmad, Sumbul; Chase, Scott C.
year 2007
title Transforming Grammars for Goal Driven Style Innovation
source Predicting the Future [25th eCAADe Conference Proceedings / ISBN 978-0-9541183-6-5] Frankfurt am Main (Germany) 26-29 September 2007, pp. 879-886
summary Shape grammar transformations have been used for developing new design styles by the systematic modification of grammars that encode existing styles. We make use of a style description scheme to aid grammar transformations for goal driven style change. A rule base was authored for the design of Greek temple facades, and was augmented with a style description scheme. These were tested at a student workshop wherein students were asked to develop grammars based on given style briefs. Results gained from the workshop confirmed that most students were able to assemble and transform grammars successfully. The method was found to be useful for teaching style and grammars to students and novice designers.
keywords Design grammars, style, generative design, teaching
series eCAADe
type normal paper
email s.c.chase@strath.ac.uk
last changed 2007/09/16 15:55

_id ecaade2010_022
id ecaade2010_022
authors Al-kazzaz, Dhuha; Bridges, Alan; Chase, Scott
year 2010
title Shape Grammars for Innovative Hybrid Typological Design
source FUTURE CITIES [28th eCAADe Conference Proceedings / ISBN 978-0-9541183-9-6] ETH Zurich (Switzerland) 15-18 September 2010, pp.187-195
wos WOS:000340629400020
summary This paper describes a new methodology of deriving innovative hybrid designs using shape grammars of heterogeneous designs. The method is detailed within three phases of shape grammars: analysis, synthesis and evaluation. In the analysis phase, the research suggests that original rules of each design component are grouped in subclass rule sets to facilitate rule choices. Additionally, adding new hybrid rules to original rules expands the options available to the grammar user. In the synthesis phase, the research adopts state labels and markers to drive the design generation. The former is implemented with a user guide grammar to ensure hybridity in the generated design, while the latter aims to ensure feasible designs. Lastly evaluation criteria are added to measure the degree of innovation of the hybrid designs. This paper describes the derivation of hybrid minaret designs from a corpus of heterogeneous traditional minaret designs.
keywords Shape grammar; Parallel grammar; Hybrid design; Typology
series eCAADe
email dhuha.abdul-aziz@strath.ac.uk
last changed 2016/05/16 09:08

_id cf2005_2_32_203
id cf2005_2_32_203
authors CHASE Scott and AHMAD Sumbul
year 2005
title Grammar Transformations: Using Composite Grammars to Understand Hybridity in Design
source Learning from the Past a Foundation for the Future [Special publication of papers presented at the CAAD futures 2005 conference held at the Vienna University of Technology / ISBN 3-85437-276-0], Vienna (Austria) 20-22 June 2005, pp. 89-98
summary Hybrid designs are those that develop from multiple sources. This paper presents the methodology of composite grammars, developed by merging multiple grammars, for the analysis of hybrid designs. The methodology is discussed with an example from Islamic architecture, which is known to have developed by borrowing from various sources. The methodology is seen to be useful for the analysis of the evolution of historic architecture, as well as for the development of new languages of designs.
keywords shape grammars, generative design, historical analysis, Islamic architecture, hybridity
series CAAD Futures
email s.c.chase@strath.ac.uk
last changed 2005/05/05 05:06

_id b656
authors Chase, S.C.
year 1997
title Logic based design modeling with shape algebras
source Automation in Construction 6 (4) (1997) pp. 311-322
summary A new method of describing designs by combining the paradigms of shape algebras and predicate logic representations is presented. Representing shapes and spatial relations in logic provides a natural, intuitive method of developing complete computer systems for reasoning about designs. The advantages of shape algebra formalisms over more traditional representations of geometric objects are discussed. The method employed involves the definition of a large set of high level design relations from a small set of simple structures and spatial relations. Examples in architecture and geographic information systems are illustrated.
series journal paper
more http://www.elsevier.com/locate/autcon
last changed 2003/05/15 19:22

_id ecaade2012_043
id ecaade2012_043
authors Chase, Scott ; Scopes, Lesley
year 2012
title Cybergogy as a framework for teaching design students in virtual worlds
source Achten, Henri; Pavlicek, Jiri; Hulin, Jaroslav; Matejovska, Dana (eds.), Digital Physicality - Proceedings of the 30th eCAADe Conference - Volume 1 / ISBN 978-9-4912070-2-0, Czech Technical University in Prague, Faculty of Architecture (Czech Republic) 12-14 September 2012, pp. 125-133
wos WOS:000330322400012
summary In recent years, 3D virtual worlds have been explored for design teaching, yet it is unclear whether a specifi c pedagogy is used or adapted for such activities. Here we describe the pedagogical model of Cybergogy of Learning Archetypes and Learning Domains, developed specifically for teaching in 3D immersive virtual worlds, and its application to introductory building classes in the virtual world Second Life for architectural design students and teachers as part of the ARCHI21 project.
keywords Architectural education; Cybergogy; language learning; virtual worlds; Second Life
series eCAADe
email scha@create.aau.dk
last changed 2014/04/14 11:07

_id 6352
authors Chase, Scott and Murty, Paul
year 2000
title Evaluating the Complexity of CAD Models as a Measure for Student Assessment
source Eternity, Infinity and Virtuality in Architecture [Proceedings of the 22nd Annual Conference of the Association for Computer-Aided Design in Architecture / 1-880250-09-8] Washington D.C. 19-22 October 2000, pp. 173-182
summary The feasibility of a proposed CAD project is often judged in terms of two conceptions of complexity: design complexity, based on visible features of the object to be modeled; and CAD complexity, based on the actual CAD embodiment of the design. The latter is suggested as a more useful guide. Clearer articulation of this underutilized concept is proposed for use in both educational and industrial settings. A formal model of CAD complexity is introduced, and initial experiments to determine the complexity of CAD models are described.
series ACADIA
email s.c.chase@strath.ac.uk
last changed 2002/08/03 05:50

_id e8dc
authors Chase, Scott C.
year 1999
title Issues for User Interaction Models: Grammar Based Design:
source Media and Design Process [ACADIA ‘99 / ISBN 1-880250-08-X] Salt Lake City 29-31 October 1999, pp. 198-210
summary Grammar based production systems are considered potentially powerful design tools by their ability to generate sets of designs adhering to user specified constraints. However, development of such tools has been slow, partly because of the lack of good interaction between user and system. This paper describes modes of user interaction and control possible with grammar based design systems and presents issues to be examined in the development of models that represent the locus of interactions possible with such systems. The examination of existing grammar based systems provides empirical evidence to support the validity of such models.
series ACADIA
email scott@arch.usyd.edu.au
last changed 1999/12/02 07:48

_id ecaade03_465_118_chase
id ecaade03_465_118_chase
authors Chase, Scott C.
year 2003
title Revisiting the use of generative design tools in the early stages of design education
source Digital Design [21th eCAADe Conference Proceedings / ISBN 0-9541183-1-6] Graz (Austria) 17-20 September 2003, pp. 465-472
summary Computer based generative design tools can help elucidate the nature of design, but are often restricted in their scope due to implementation issues. These ‘toy’ applications are often developed as proof of concept software, but have the potential to serve as teaching aids in early design education. A number of such tools will be described and the case made for their continued use in design education.
keywords Generative design tools, design education, computer programming, parametric variation, shape grammars
series eCAADe
email s.c.chase@strath.ac.uk
more http://homepages.strath.ac.uk/~cas01101
last changed 2003/09/18 07:13

_id c10f
authors Chase, Scott C. and Liew, PakSan
year 2001
title A framework for redesign using FBS models and grammar adaptation
source Proceedings of the Ninth International Conference on Computer Aided Architectural Design Futures [ISBN 0-7923-7023-6] Eindhoven, 8-11 July 2001, pp. 467-477
summary This paper describes a framework for redesign. Stylistic change in the form of rule modification is used to transform grammars to produce designs conforming to new requirements. The mechanism that enables this modification is based on the Function-Behaviour-Structure (FBS) model of design. The framework provides a formal mechanism for redesign and defines a means to generate and link structures with different behaviour and functions within the FBS model of design. Redesign of a wall illustrates this framework.
keywords Redesign, Stylistic Change, Feature Grammars, Function-Behaviour-Structure Models
series CAAD Futures
email scott@arch.usyd.edu.au
last changed 2006/11/07 06:22

_id b534
authors Chase, Scott C. and Liew, Paksan
year 2001
title A Systematic Method for Redesign - Using function, behaviour and structure to facilitate grammar transformation
source Architectural Information Management [19th eCAADe Conference Proceedings / ISBN 0-9523687-8-1] Helsinki (Finland) 29-31 August 2001, pp. 18-24
summary We present a formal framework for redesign. Stylistic change, defined by grammar rule modifications, serves as the basis for rule replacement with ones that produce designs satisfying revised requirements. Each grammar rule has an associated description that adds functional or behavioural information to the geometric representation of the design using Function-Behaviour-Structure representations. This method provides a formal mechanism for redesign and defines a means to generate and link structures with different behaviour and functions within the FBS model of design. We demonstrate this with an example of redesign of a wall responding to changing functional requirements, and also discuss its usage in other types of redesign problems.
keywords Redesign, Design Grammars, Function-Behaviour-Structure Models, Feature Based Design
series eCAADe
email scott@arch.usyd.edu.au
last changed 2001/08/06 20:38

_id fbab
authors Chase, Scott C., and Koh, Jason
year 2000
title Integration of Shape Grammars with Architectural Design Studio Projects
source CAADRIA 2000 [Proceedings of the Fifth Conference on Computer Aided Architectural Design Research in Asia / ISBN 981-04-2491-4] Singapore 18-19 May 2000, pp. 169-179
summary The use of shape grammars in the context of actual architectural design projects is an area that has been under explored. This paper describes the development of grammars in conjunction with a student design project and the issues in creating grammars that respond to a specific project brief.
series CAADRIA
email scott@arch.usyd.edu.au, beta2@pacific.net.sg
last changed 2000/08/07 07:11

_id 275b
authors Chase, Scott C.
year 1996
title Design Modeling With Shape Algebras and Formal Logic
source Design Computation: Collaboration, Reasoning, Pedagogy [ACADIA Conference Proceedings / ISBN 1-880250-05-5] Tucson (Arizona / USA) October 31 - November 2, 1996, pp. 99-113
summary A new method of describing designs by combining the paradigms of shape algebras and predicate logic representations is presented. Representing shapes and spatial relations in logic provides a natural, intuitive method of developing complete computer systems for reasoning about designs. The advantages of shape algebra formalisms over more traditional representations of geometric objects are discussed. The method employed involves the definition of a large set of high level design relations from a small set of simple structures and spatial relations. Examples in architecture and geographic information systems are illustrated.
series ACADIA
email s.c.chase@strath.ac.uk
last changed 2003/05/15 19:17

_id bbb6
authors Chase, Scott C.
year 2002
title A model for user interaction in grammar-based design systems
source Automation in Construction 11 (2) (2002) pp. 161-172
summary Grammar-based production systems are considered potentially powerful design tools by their ability to generate sets of designs adhering to user-specified constraints. However, development of such tools has been slow, partly because of the lack of good interaction between user and system. This paper describes modes of user interaction and control possible with grammar-based design systems and presents issues to be examined in the development of models that represent the locus of interactions possible with such systems. The examination of existing grammar-based systems provides empirical evidence to support the validity of such models.
series journal paper
more http://www.elsevier.com/locate/autcon
last changed 2003/05/15 19:22

_id 0ee9
authors Chase, Scott C.
year 2002
title (Re)design of construction assemblies with function/behaviour/structure grammars
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. 356-359
summary A formal framework for redesign based upon Function/Behaviour/Structure models and design grammars is described. A proposed application domain is for the design and redesign of construction assemblies. GDL object technology is proposed as a candidate tool for implementation.
series eCAADe
email s.c.chase@strath.ac.uk
last changed 2002/09/09 17:19

_id cf2003_m_105
id cf2003_m_105
authors CHASE, Scott C.
year 2003
title A Prototype Generative System for Construction Details Combining FBS Descriptions with Design Grammars
source Digital Design - Research and Practice [Proceedings of the 10th International Conference on Computer Aided Architectural Design Futures / ISBN 1-4020-1210-1] Tainan (Taiwan) 13–15 October 2003, pp. 413-422
summary A formal framework for redesign based upon Function-Behaviour-Structure models and design grammars is described. A proposed application domain is for the design and redesign of construction assemblies. GDL object technology is illustrated as a candidate tool for implementation.
keywords construction, grammar, geometric description, redesign
series CAAD Futures
email s.c.chase@strath.ac.uk
last changed 2003/09/22 10:21

_id 7b57
authors Chase, Scott Curland
year 1996
title Modeling Designs with Shape Algebras and Formal Logic
source University of California
summary A formal, hierarchical model of shape, spatial relations and non-spatial properties is presented, constructed from first principles of geometry, topology and logic. The combination of the two major paradigms used here, shape algebras and logic, is one which has been largely unexplored. The underlying interest is the development of generalized design modeling systems in which the components may be used for a variety of synthesis and recognition problems. The algebras of shape described by Stiny have been shown to be useful in the generation and analysis of designs. The generality of their representations, their non-reliance upon predetermined structure, and their use in combination provide a richness of expression lacking in more traditional representations. The use of formal logic as a specification tool for modeling spatial relations is investigated here. Logic has proven itself useful as a programming and specification tool, providing advantages over traditional procedural programming methods. Among those is the ability to specify the knowledge to be encapsulated in a model without the need to specify data manipulation procedures. It is argued that specification in logic provides a natural method of development. The model is developed by extending the formalisms of shape algebras with the use of logic to make more precise, generalized, parametric definitions of shape and spatial relations than has been previously possible. The value of such a model is demonstrated by the use of these generalized spatial relations for solving typical problems in the fields of geographic information systems and architecture. The advantages of the representations used over more traditional 'kit-of-parts' models is also illustrated.
series thesis:PhD
email s.c.chase@strath.ac.uk
last changed 2003/02/12 21:37

_id ecaade2008_103
id ecaade2008_103
authors Chase, Scott; Schultz, Ryan; Brouchoud, Jon
year 2008
title Gather ’round the Wiki-Tree
source Architecture in Computro [26th eCAADe Conference Proceedings / ISBN 978-0-9541183-7-2] Antwerpen (Belgium) 17-20 September 2008, pp. 809-816
summary The growth of internet based communication has facilitated the development of open source, collaborative projects. Here we describe the results of three ‘Wikitecture’ experiments in collaborative, open source architectural design within the virtual world Second Life. We describe the in-world platform developed and its use for a design competition entry. Issues such as contribution assessment and the role of open source collaborative design in architecture and construction are discussed, concluding with a wish list for future enhancements.
keywords Virtual worlds, wikis, open source architecture, collaborative design
series eCAADe
email s.c.chase@strath.ac.uk, ryan.schultz@studiowikitecture.com, jbrouchoud@gmail.com
last changed 2008/09/09 13:55

_id cf_2003_000
id cf_2003_000
authors Chiu, M.-L., Tsou, J.-Y., Kvan, Th., Morozumi, M. and Jeng, T.-S. (Eds.)
year 2003
title Digital Design - Research and Practice
source Proceedings of the 10th International Conference on Computer Aided Architectural Design Futures / ISBN 1-4020-1210-1 / Tainan (Taiwan) 13–15 October 2003, 464 p.
summary The use of computers in the design of the built environment has reached a watershed. From peripheral devices in the design process, they have in recent years come to take centre stage. An illustration is immediately at hand. Just as the entries to the competition for the Chicago Tribune Tower in 1922 defined the state-of-the-art at the beginning of the twentieth century, we have a similar marker at the end of the century, the competition in 2002 to replace the World Trade Centre towers in Lower Manhattan offered us a range of architectural solutions that exemplified the state-of-the-art eighty years later, setting forth not only architectural statements but also illustrating clearly the importance of computers in the design of the built environment. In these entries of 2002, we can see that computers have not only become essential to the communication of design but in the investigation and generation of structure, form and composition. The papers in this book are the current state-of-the-art in computer-aided design as it stands in 2003. It is the tenth in a series sponsored by the CAAD Futures Foundation, compiled from papers presented at the biennial CAAD Futures Conferences. As a series, the publications have charted the steady progress in developing the theoretical and practical foundations for applications in design practice. This volume continues in that tradition; thus, this book is entitled Digital Design: Research and Practice. The papers are grouped into three major categories, reflecting thrusts of research and practice, namely: Data and information: its organisation, handling and access, including agents; Virtual worlds: their creation, application and interfaces; and Analysis and creation of form and fabric. The editors received 121 abstracts after the initial call for contributions. From these, 61 abstracts were selected for development into complete papers for further review. From these submissions, 39 papers were chosen for inclusion in this publication. These papers show that the field has evolved from theoretical and development concerns to questions of practice in the decade during which this conference has showcased leading work. Questions of theoretical nature remain as the boundaries of our field expand. As design projects have grasped the potentials of computer-aided design, so have they challenged the capabilities of the tools. Papers here address questions in geometric representation and manipulation (Chiu and Chiu; Kocaturk, Veltkamp and Tuncer), topics that may have been considered to be solved. As design practice becomes increasingly knowledge based, better ways of managing, manipulating and accessing the complex wealth of design information becomes more pressing, demanding continuing research in issues such as modelling (Yang; Wang; Zreik et al), data retrieval and querying (Hwang and Choi; Stouffs and Cumming; Zreik, Stouffs, Tuncer, Ozsariyildiz and Beheshti), new modes of perceiving data (Segers; Tan). Tools are needed to manage, mine and create information for creative work, such as agents (Liew and Gero; Smith; Caneparo and Robiglio; Ding et al) or to support design processes (Smith; Chase). Systems for the support and development of designs continue (Gero; Achten and Jessurun). As progress is made on some fronts, such as user interfaces, attention is again turned to previously research areas such as lighting (Jung, Gross and Do; Ng et al; Wittkopf; Chevier; Glaser, Do and Tai) or services (Garcia; Chen and Lin). In recent years the growth of connectivity has led to a rapid growth in collaborative experience and understanding of the opportunities and issues continues to mature (Jabi; Dave; Zamenopoulos and Alexiou). Increasing interest is given to implications in practice and education (Dave; Oxman; Caneparo, Grassi and Giretti). Topics new to this conference are in the area of design to production or manufacture (Fischer, Burry and Frazer; Shih). Three additional invited papers (Rekimoto; Liu; Kalay) provide clear indication that there is still room to develop new spatial concepts and computer augmented environments for design. In conclusion, we note that these papers represent a good record of the current state of the evolving research in the field of digital design.
series CAAD Futures
email mc2p@mail.ncku.edu.tw
more http://www.caadfutures.arch.tue.nl/
last changed 2003/09/22 10:21

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