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 1 to 13 of 13

_id 9b34
authors Butterworth, J. (et al.)
year 1992
title 3DM: A three-dimensional modeler using a head-mounted display
source Proceedings of the 1992 Symposium on Interactive 3D Graphics (Cambridge, Mass., March 29- April 1, 1992.), 135-138
summary 3dm is a three dimensional (3D) surface modeling program that draws techniques of model manipulation from both CAD and drawing programs and applies them to modeling in an intuitive way. 3dm uses a head-mounted display (HMD) to simplify the problem of 3D model manipulation and understanding. A HMD places the user in the modeling space, making three dimensional relationships more understandable. As a result, 3dm is easy to learn how to use and encourages experimentation with model shapes.
series other
last changed 2003/04/23 13:50

_id c52d
authors Gero, John S.
year 1986
title An Overview of Knowledge Engineering and its Relevance to CAAD
source Guildford: Butterworth, 1986. pp. 107-119
summary This paper introduces the concepts of knowledge engineering, a subset of artificial intelligence. It describes means of representing and manipulating non-numeric design knowledge using symbolic inference mechanisms. It then describes a subset of knowledge engineering--expert systems. Knowledge- based systems in computer-aided architectural design are presented as a new direction for CAAD which expands the role of the computer in design. Expert systems within a CAAD environment are discussed
keywords AI, knowledge base, design, architecture, CAD, representation, expert systems
series CADline
email john@arch.usyd.edu.au
last changed 2003/06/02 11:58

_id deb0
authors Hall, A.
year 1996
title Design Control: Towards a new approach
source Oxford, Butterworth Architecture
summary Contributed by Susan Pietsch (spietsch@arch.adelaide.edu.au)
keywords 3D City Modeling, Development Control, Design Control
series other
last changed 2001/06/04 18:27

_id 941c
id 941c
authors Maver, T.W. and Ellis, J.
year 1982
title Implementation of an Energy Model within a Multi-Disciplinary Practice
source Proceedings of CAD82, Brighton (Ed: A Pipes), Butterworth, 562-570
summary Implementation of computer software is concerned with trials of its robustness, relevance, and efficacy in the real-world, real-time context of design practice. This paper summarises the trials carried out within the Building Design Partnership of a dynamic energy model, ESP, developed by ABACUS at the University of Strathclyde. Over an 18 month period the program was used on 6 projects to address a variety of design problems over a variety of building types. The paper reports in outline on each of the six: four concerned with the need for a definite answer to a specific question, eg. ''will it overheat in summer"; two concerned to provide, on the one hand for the client, on the other hand for the design practice, paradigms for energy conscious design of hospitals and offices. The conclusions drawn have relevance to the takeup of CAD generally.
series other
email t.w.maver@strath.ac.uk
last changed 2003/09/03 11:15

_id maver_082
id maver_082
authors Maver, T.W. and Petric, J.
year 1996
title Predicting Visual Impact by Computer Aided Visual Impact Analysis
source Towards Sustainable Architecture, (Ed. B. Edwards), Butterworth, 104-110
summary We are entering a phase when the exploitation of energy resources is likely to cause a dramatic acceleration in our rate of impact on the natural environment; in particular, there is cause for serious concern regarding the damaging visual impact of energy related developments - oil terminals, dams power stations, electricity transmission lines, open cast mining - on remaining areas of relatively unspoilt rural landscape.
series other
email t.w.maver@strath.ac.uk
last changed 2003/09/03 13:01

_id dfb3
authors Maver, T.W.
year 1979
title A Time-Space Odyssey
source Chapter in Building Conversion and Rehabilitation, (Ed: T Markus) Newnes-Butterworth
series other
email t.w.maver@strath.ac.uk
last changed 2003/06/02 13:00

_id 95df
authors Maver, T.W.
year 1985
title Computers in Design Decision Making
source CAD International Yearbook, Butterworth
series other
email t.w.maver@strath.ac.uk
last changed 2003/06/02 13:00

_id 6bac
authors Piegl, L.
year 1984
title A Generalization of the Bernstein-Bezier Method
source Computer Aided Design. Butterworth & Co. (publishers) Ltd., July, 1984. vol. 16: pp. 209-215 : ill. includes bibliography
summary A representation for parametric curves and surfaces is presented which generalizes the scheme of the nonrational Bezier curve and surface by introducing appropriate parameters into the parametric forms. A brief discussion of the continuity conditions and a comparison with the rational Bezier curve and surface are included
keywords parametrization, curves, curved surfaces, Bezier
series CADline
last changed 2003/06/02 08:24

_id 2699
authors Piegl, L.
year 1985
title Recursive Algorithms for the Representation of Parametric Curves and Surfaces
source Computer Aided Design Butterworth & Co. (publishers) Ltd., June, 1985. vol. 17: pp. 225-230 : ill.
summary includes a short bibliography. Recursive algorithms for the representation of parametric curves and surfaces are presented which are based upon a geometric property of the de Casteljau algorithm. The algorithms work with triangular and pyramidal arrays that provide an easy handing of the curve and the surface 'in a large' design
keywords representation, recursion, algorithms, parametrization, curves, curved surfaces
series CADline
last changed 2003/06/02 11:58

_id 4577
authors Piegl, L.
year 1986
title Representation of Rational Bezier Curves and Surfaces by Recursive Algorithms
source Computer Aided Design Butterworth & Co. (publishers) Ltd., September, 1986. vol. 18: pp. 361-366 : ill.
summary includes a short bibliography. Recursive algorithms for the computation and subdivision of rational Bezier curves and surfaces are presented. The development uses the relationship between the R4 geometry and the rational scheme
keywords curves, curved surfaces, recursion, Bezier, representation
series CADline
last changed 2003/06/02 11:58

_id a65f
authors Primrose, P.L., Creamer, G.D. and Leonard, R.
year 1985
title Identifying and Quantifying the Company-Wide Benefits of CAD Within the Structure of a Comprehensive Investment Program
source Computer Aided Design. Butterworth & Co. Pub., February, 1985. vol. 17: pp. 3-8 : ill. flow charts
summary This paper discusses the costs and benefits associated with introducing CAD. It is shown that by suitably defining the terms involved, all the so-called 'intangible benefits' can be quantified and used within a rigorous financial evaluation. Because 45 specific factors must be considered if a genuine investment appraisal of CAD is to be performed, a computer program has been specifically written to overcome the difficulties normally associated with the DCF evaluation of major projects. The results from the program demonstrate that not only are the benefits of CAD company-wide, but that when these benefits are quantified, the economic case for CAD is greatly strengthened. The problem of CAD systems being regarded as nothing more than a 'drawing office tool to make draftsmen redundant' is overcome. In particular, the use of the program within a number of major companies reveals that CAD systems not only give a much greater potential return on investment than has been suggested by previous authors, but that the greatest benefits accrue in areas outside the drawing office. This is illustrated by a case study
keywords CAD, evaluation, business, cost, practice, economics
series CADline
last changed 2003/06/02 11:58

_id 4bae
authors Rasdorf, William J. and Kutay, Ali R.
year 1982
title Maintenance of Integrity During Concurrent Access in a Building Design Database
source Computer Aided Design. Butterworth Scientific Ltd., July, 1982. vol. 14: pp. 201-207. includes bibliography
summary This paper proposes a building design database model that insures database integrity in a highly flexible relational structure while supporting disciplinary and interdisciplinary concurrent use. The model strongly supports designer-database interaction by providing extremely versatile data access mechanisms and an associated concurrency control mechanism. Building design components are represented in terms of their location, their attribute values, and combinations of the two. Both the logical and physical database models are illustrated. The relational model is vital for achieving the greatest flexibility in representing and accessing building design data. Its standard relations are ideal for information representation. In addition, the operators provided by the model enable the engineer to readily restructure the database to support building design needs. This paper introduces a database structuring mechanism referred to as catalogs. Catalogs provide a highly versatile mechanism for accessing database information by grouping building components into data units called modules. The modules provide convenient access to multiple design entities. Also included is a protection relation that provides a concurrency control environment for the catalog relations. The module concept is particularly important in design because it enables the ad hoc groupings of data which are so often necessary to support the design process. The module is recommended as the level to which a locking concurrency control mechanism be applied. It is a small enough data unit to support concurrency for interdisciplinary design activities, yet not so small as to require extensive overhead in the concurrency control implementation. Two different modes of locking are recommended for the catalog relations of a building design database to achieve maximum concurrency and efficiency of access by designers
keywords database, concurrency, access, constraints management
series CADline
last changed 2003/06/02 11:58

_id a980
authors Rosenman, Michael A., Gero, John S. and Hutchinson, Peter J. (et al)
year 1986
title Expert Systems Applications in Computer-aided Design
source Guildford: Butterworth, 1986. pp. 218-225. Reprinted in Computer Aided Design 18(10): pp. 546-551
summary Rule-based expert system shells are demonstrated to be useful in elementary design decision making. Two applications are presented which utilize the BUILD shell. The first is concerned with the selection and design of earth-retaining structures and makes use of passive graphics in descriptions. The second is concerned with the analysis and synthesis of kitchens and uses graphics to allow the user to interact with the system. Such systems are useful when the range of options is small
keywords applications, CAD, expert systems, design process, architecture
series CADline
email john@arch.usyd.edu.au
last changed 2003/06/02 11:58

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