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

id 2004_248
authors Chang, Teng-Wen and Woodbury, Robert F.
year 2004
source Architecture in the Network Society [22nd eCAADe Conference Proceedings / ISBN 0-9541183-2-4] Copenhagen (Denmark) 15-18 September 2004, pp. 248-254
summary The Australian branch of the SEED project created a new formalism for design spaces in which the fundamental structuring operator is information specificity, formally characterised as subsumption. Here design space navigation is composed as combinations of the primitive operators of resolution, unification, anti-unification, search, query and hysterical undo. The structures needed to support such a view are highly constrained in a mathematical sense and it is in these constraints that the problems for representation of geometry arise. The research challenge is to add the formal design space exploration constraints into an existing geometric representation scheme or alternatively to discover a new scheme in which the constraints are realized. Based on Typed Feature Structures (TFS), Geometric Typed Feature Structures (GTFS) are a representation scheme and method for performing the basic design space exploration operations on geometric objects. The crucial insight behind extending TFS to geometry is to discover useful algebraic structures of geometric objects affording the mathematics required of TFS. In this paper we describe Geometric Typed Feature Structures through one example of form: IOPSet. Our method of exposition is both mathematical and graphical: for each structure we will demonstrate both how it meets the necessary formal conditions as well as the sorts of form-sculpting operations it enables. An architectural example: insulated enclosure is used as a demonstration of subsumption operations over IOPSet. One alternative description of insulated enclosure using GTFS is also shown in the paper.
keywords Geometric Typed Feature Structures, SEED, Design Space Explorer, Geometric Design Information
series eCAADe
type normal paper
full text file.pdf (365,719 bytes)
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100%; open Akin, O., Aygen, Z., Chang, T.-W., Chien, S.-F., Choi, B., Donia, M., Fenves, S. J., Flemming, U., Garrett, J. H., Gomez, N., Kiliccote, H., Rivard, H., Sen, R., Snyder, J., Tsai, W.-J., Woodbury, R., and Zhang, Y. (1997) Find in CUMINCAD SEED: A Software Environment to support the Early phases of building Design , The International Journal of Design Computing
100%; open Brand, R. (1990) Find in CUMINCAD Architectural Details for Insulated Building , New York, Van Nostrand Reinhold
100%; open Carpenter, B. (1992) Find in CUMINCAD The Logic of Typed Feature Structures with applications to unification grammars, logic programs and constraint resolution , Cambridge Tracts in Theoretical Computer Science. Cambridge University Press
100%; open Chang, T.-W. and Woodbury, R. F. (2000) Find in CUMINCAD Geometric Typed Feature Structures: Carrying Geometric Information using Typed Feature Structures , Gudni Gudnason editor, Construction Information Technology 2000: taking the construction industry into the 21st century. Volume 1, Pages 166-177
100%; open Iceland. Icelandic Building Research Institute. Chang, T.-W. and Woodbury, R. F. (1997) Find in CUMINCAD Efficient design spaces of non-manifold solids , Liu, Y.- T., editor, CAADRIA 97, volume 2, pages 335-344, Hsinchu, Taiwan. Computer Aided Architectural Design Research in Asia, National Chia Tung University
100%; open Stiny, G. (1980) Find in CUMINCAD Introduction to shape and shape grammars , Environment and Planning B: Planning and Design, 7(3): 343-352
100%; open Woodbury, R.F., Burrow, A., Datta, S., and Chang, T.-W. (1999) Find in CUMINCAD Typed Feature Structures and Design Space Exploration. Artificial Intelligence for Engineering Design , Analysis and Manufacturing. 13:287-302

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