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 cf2003_m_103
id cf2003_m_103
authors CHANG, T.-W., WOODBURY, R. and DATTA, S.
year 2003
title Interactive Mapping between Knowledge Level and Symbol Level with Geometry. A KL-Model for Design Space Exploration
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. 157-166
summary Design space exploration is long-standing motivating ideas in computer-aided design. It realises this vision through a model of design states for making and moving amongst states and an organisation of states into a structure called a design space. Using a design space structuring mechanism based on a subsumption relation, this paper sketches a theory called Geometric Typed Feature Structures (GTFS) to preserve the formal properties of the design space movement algorithms for geometry. It also provides the theory for incorporation of user-guided exploration in the design space. Consequently, the clear division between knowledge level and symbol level, such that functional decomposition •• formal symbol level and design •• model symbol level, disappears. We can therefore use the same subsumption relation to structure the design space exploration interactively. Such interactive mapping between knowledge level and symbol level provides the fine-grained opportunities for user intervention in formal design space movement algorithms. In this paper, we summarize this approach with an example of GTFS subsumption process.
keywords design space, geometric description, knowledge level, subsumption, unfolding
series CAAD Futures
email
last changed 2003/09/22 12:21

_id caadria2003_a5-3
id caadria2003_a5-3
authors Chang, Teng-Wen and Lai, Ih-Cheng
year 2003
title Navigation In 3D Information Landscape-A 3D Museum for Civic Buildings
doi https://doi.org/10.52842/conf.caadria.2003.641
source CAADRIA 2003 [Proceedings of the 8th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 974-9584-13-9] Bangkok Thailand 18-20 October 2003, pp. 641-650
summary Navigation is about information that requires visual feedback and spatial orientation in both information representation and userinteraction. Among those, spatial orientation is the primary research question for navigating in 3D information landscape. By inspired by Ware's three control loops, 'spatial metaphors' and 'visual components" are proposed as the fundamental concepts of a navigation framework called 'i-Room'. i-Room is comprised of four constituents-handles, i-Bag, i-Map and Focus/scale. An information landscape based on a repository of diverse digital media of 11 significant civic buildings in Taiwan is designed for testing this navigation framework. An implementation of i-Room based on Muse of navigation realization and their interaction behaviors with spatial metaphors/visual components is also reported in this paper.
series CAADRIA
email
last changed 2022/06/07 07:56

_id 2004_058
id 2004_058
authors Lai, Ih-Cheng and Chang, Teng-Wen
year 2004
title Dynamic Interactions Between Users and Information in a Co-existence Space
doi https://doi.org/10.52842/conf.ecaade.2004.058
source Architecture in the Network Society [22nd eCAADe Conference Proceedings / ISBN 0-9541183-2-4] Copenhagen (Denmark) 15-18 September 2004, pp. 58-65
summary By exploring interactions between users and information, this paper intends to propose a co-existence framework for companying physical space with virtual space. Based on this framework, we implement an information structure for users to interact with information space interactively, which includes information nodes, hyperlinks and interplays through i-Room system (Chang and Lai, 2003). Furthermore, the information structure of representation is also tested and reevaluated in representing ten historical significant civic buildings in Taiwan.
keywords Co-Existence, Digital Media, Information Space, Virtual Space
series eCAADe
last changed 2022/06/07 07:52

_id acadia03_003
id acadia03_003
authors Chang, W. and Woodbury, R.
year 2003
title Undo Reinterpreted
doi https://doi.org/10.52842/conf.acadia.2003.019
source Connecting >> Crossroads of Digital Discourse [Proceedings of the 2003 Annual Conference of the Association for Computer Aided Design In Architecture / ISBN 1-880250-12-8] Indianapolis (Indiana) 24-27 October 2003, pp. 19-27
summary The class of operations known as “undo” has proven to be a valuable addition to most professional work tools. In practice though, its use is frustrating: undo often undoes too much. Its essential informal semantics are that it returns the user to a prior state by recapitulating all intervening states. Why not give the user greater control over which aspects of a design to undo? An alternative is to seek to reuse prior work in any logically-coherent pattern—user input is a precious commodity. The area of generative systems provides insights in a search for alternatives to undo, in particular that prior user and system actions can be changed and reused in new contexts. We contingently introduce a concept we label as design promotions to describe system designs that demonstrate a tight coupling between interactive authorship and system-led generation, that treat past user actions as valuable intentional statements, and that treat alternative user choices as first-class objects of concern. In practice these three properties emphasize reuse. We briefly survey the current state of undo-like operations and potential candidates for implementing design promotions strategies. Through examples, we demonstrate approaches to realizing undo-like operations over specific representations, especially that of constructive solid geometry.
series ACADIA
email
last changed 2022/06/07 07:55

_id caadria2003_a3-2
id caadria2003_a3-2
authors Lai, Ih-Cheng and Chang, Teng-Wen
year 2003
title Companying Physical Space With Virtual Space A Co-Existence Approach
doi https://doi.org/10.52842/conf.caadria.2003.359
source CAADRIA 2003 [Proceedings of the 8th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 974-9584-13-9] Bangkok Thailand 18-20 October 2003, pp. 359-370
summary This paper presents a kind of co-existence relationship: companying physical space with virtual space with a case study. The fundamental approach is to investigate the interactive relationship between navigators and information in virtual space, including collecting, interpreting, integrating, and communicating. Based on these relationships, we propose an information structure, which elaborates the information of our co-existence representation. The infrastructure composed with two processes of data representation based on an individual spatial structure is tested in representing eleven historical significant civic building in Taiwan.
series CAADRIA
email
last changed 2022/06/07 07:52

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