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 sigradi2013_234
id sigradi2013_234
authors Alencar, Viviane; Gabriela Celani
year 2013
title The Art of Computer Graphics Programming: Translating Pioneer Programs
source SIGraDi 2013 [Proceedings of the 17th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-7051-86-1] Chile - Valparaíso 20 - 22 November 2013, pp. 500 - 504
summary Considering the importance of the use of programming languages for teaching computational design to architects, this paper proposes the translation of computer programs from a pioneer work in this field into a more contemporary programming language. The book The Art of Computer Graphics Programming: A Structured Introduction for Architects and Designers was published in 1987 by William J. Mitchell, Robin Ligget and Thomas Kvan, and remains an important reference for architects. The original Pascal codes in the book were translated into Processing, and made available through an Internet website, along with images and comments, in order to give late Prof. Mitchell’s work the consideration it deserves.
keywords Processing; Pascal; Computer graphics
series SIGRADI
email
last changed 2016/03/10 09:47

_id caadria2011_061
id caadria2011_061
authors Celani, Gabriela; José P. Duarte and Carlos V. Vaz
year 2011
title The gardens revisited: The link between technology, meaning and logic?
doi https://doi.org/10.52842/conf.caadria.2011.643
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. 643-652
summary The objective of this paper is to compare the computational concepts present in three books published by Mitchell between 1987 and 1990: The art of computer-graphics programming (1987), which has Robin Liggett and Thomas Kvan as co-authors, The logic of architecture (1990), probably his most influential work, and The poetics of gardens (1988), which has Charles Moore and William Turnbull as coauthors. By looking at the concepts that are presented in the three books and establishing a comparison between them, we expect to show that The poetics of Gardens should not be seen as a detour from Mitchell´s line of research, but rather as a key piece for understanding the relationship between technology, meaning and logic in his very coherent body of work.
keywords Computational design concepts; technology; meaning; logic
series CAADRIA
email
last changed 2022/06/07 07:55

_id ascaad2006_paper20
id ascaad2006_paper20
authors Chougui, Ali
year 2006
title The Digital Design Process: reflections on architectural design positions on complexity and CAAD
source Computing in Architecture / Re-Thinking the Discourse: The Second International Conference of the Arab Society for Computer Aided Architectural Design (ASCAAD 2006), 25-27 April 2006, Sharjah, United Arab Emirates
summary These instructions are intended to guide contributors to the Second Architecture is presently engaged in an impatient search for solutions to critical questions about the nature and the identity of the discipline, and digital technology is a key agent for prevailing innovations in architectural design. The problem of complexity underlies all design problems. With the advent of CAD however, Architect’s ability to truly represent complexity has increased considerably. Another source that provides information about dealing with complexity is architectural theory. As Rowe (1987) states, architectural theory constitutes “a corpus of principles that are agreed upon and therefore worthy of emulation”. Architectural theory often is a mixed reflection on the nature of architectural design, design processes, made in descriptive and prescriptive terms (see Kruft 1985). Complexity is obviously not a new issue in architectural theory. Since it is an inherent characteristic of design problems, it has been dealt with in many different ways throughout history. Contemporary architects incorporate the computer in their design process. They produce architecture that is generated by the use of particle systems, simulation software, animation software, but also the more standard modelling tools. The architects reflect on the impact of the computer in their theories, and display changes in style by using information modelling techniques that have become versatile enough to encompass the complexity of information in the architectural design process. In this way, architectural style and theory can provide directions to further develop CAD. Most notable is the acceptance of complexity as a given fact, not as a phenomenon to oppose in systems of organization, but as a structuring principle to begin with. No matter what information modelling paradigm is used, complex and huge amounts of information need to be processed by designers. A key aspect in the combination of CAD, complexity, and architectural design is the role of the design representation. The way the design is presented and perceived during the design process is instrumental to understanding the design task. More architects are trying to reformulate this working of the representation. The intention of this paper is to present and discuss the current state of the art in architectural design positions on complexity and CAAD, and to reflect in particular on the role of digital design representations in this discussion. We also try to investigate how complexity can be dealt with, by looking at architects, in particular their styles and theories. The way architects use digital media and graphic representations can be informative how units of information can be formed and used in the design process. A case study is a concrete architect’s design processes such as Peter Eisenman Rem Koolhaas, van Berkel, Lynn, and Franke gehry, who embrace complexity and make it a focus point in their design, Rather than viewing it as problematic issue, by using computer as an indispensable instrument in their approaches.
series ASCAAD
email
last changed 2007/04/08 19:47

_id 7767
authors Danahy, John W.
year 1987
title Sophisticated Image Rendering in Environmental Design Review Graphics Systems
source Proceedings of ACM CHI+GI'87 Conference on Human Factors in Computing Systems and Graphics Interface 1987 p.211-217
summary The Landscape Architecture Programme and the Computer Systems Research Institute at the University of Toronto undertook two studies using advanced rendering tools pioneered in the areas of computer animation and graphic art. Through two professional landscape architectural design studies we explored the potential role and impact of computer simulation in the initial, more creative phases of the design work. Advanced image rendering hardware and software were used to produce high quality computer drawings of design concepts. The techniques employed in this study are unique in their application to environmental design where they dramatically improve the designer's opportunities to simulate realistic images of proposed design alternatives and to consider the visual and spatial implications of such alternatives. The case studies represented in the paper were undertaken for the National Capital Commission in Ottawa, Canada. The first project is an urban design massing study called the "Parliamentary Precinct Study" and the second project is a detailed design of the "Ceremonial Routes" in Ottawa.
keywords Image Rendering; Design Review; System Specification
series other
last changed 2002/07/07 16:01

_id e26f
authors Kalay, Y. (ed.)
year 1987
title Computability of Design
source New York: Wiley & Sons
summary Computer-aided design (CAD) has promised to transform the art and science of architectural design. Yet, despite some significant achievements in the past 3 decades, it has so far failed to do so. This stimulating volume, derived from a symposium held at SUNY, Buffalo in December 1986, explores the reasons why design is so difficult to support by computational means, and what can be done to alleviate this difficulty. Written by an interdisciplinary panel of experts, it presents a varied and comprehensive view of the ways creative design processes can be modelled. The contributors do not all reach the same conclusions, which makes this book lively reading. Topics are arranged into four parts: constructing models of the design process, the computational representation of design knowledge (including spatial information and implicit design intent), methods for computing the design process as a whole (including mathematical programming, expert systems, and shape grammars), and the integration of CAD with traditional design practices.
series other
last changed 2003/04/23 15:14

_id eeda
authors Kalay, Yehuda E.
year 1987
title Graphic Introduction to Programming
source xvii, 231 p. : ill. New York: Wiley-Interscience, 1987. includes bibliography p.: 215-216 and Index -- (Principles of Computer- Aided Design)
summary Teaching PASCAL programming for graphic applications by using graphics from the very beginning. The book is an introduction to computer-aided design and require no prior computer experience
keywords computer graphics, programming, PASCAL, education
series CADline
email
last changed 2003/06/02 13:58

_id c7e0
id c7e0
authors Maria Gabriela Caffarena Celani
year 2002
title BEYOND ANALYSIS AND REPRESENTATION IN CAD: A NEW COMPUTATIONAL APPROACH TO DESIGN EDUCATION
source Submitted to the Department of Architecture in partial fulfillment of the requirements for the degree of Doctor of Philosophy in the field of Architecture: Design & Computation at the Massachusetts Institute of Technology
summary This thesis aims at changing students' attitude towards the use of computer-aided design (CAD) in architecture. It starts from the premise that CAD is used mostly for analysis and representation, and not as a real design aide, and that architecture students have a bias against learning computer programming. For this purpose, a prototypical instruction system that mixes computer-aided design and computational design theory was developed, based on a series of fundamental concepts that are common to both fields. This system was influenced by Mitchell's (1987) The Art of Computer Graphics Programming and Stiny's (1976) shape grammars. Despite being based on solid theoretical foundations, CAD has progressively become an exclusively practical tool, since its origins in the 50's and 60's, while computational design theories have been mostly restricted to the academic circles. This thesis proposes an inversion in the present situation: the study of CAD theory, and the application of computational design into practice. The system proposed provides a conceptual framework that can be adapted to different circumstances, including course formats and resources, as well as students' background and technical training. It is based on seven fundamental concepts from computational design theories that are also important to the study of shape grammars: symmetry, recursion, rule-based compositions, parameterization of shapes, generative systems, algorithmization of design procedures, and shape emergence. These concepts are introduced within a CAD context, where their practical implementation and experimentation are possible, focusing the understanding of the computational nature of design. During this research, the proposed system was tested in two case studies with students from schools that had contrary orientations in terms of the importance of CAD in the architectural curriculum. In these experimental courses, students' activities evolved from using a commercial CAD tool in an innovative way, to the use of programming techniques for creating meaningful tools. Despite not having a statistical reach, the fieldwork allowed drawing preliminary conclusions about the proposed system's efficacy, since virtually all the students reported changing their understanding of the role of CAD in architecture, while some also acknowledged a conceptual influence in other subjects and in the way they see architecture.
keywords Symmetry
series thesis:PhD
type normal paper
email
more http://www.fec.unicamp.br/~celani/
last changed 2004/11/17 20:51

_id 404e
authors Oksala , T.
year 1988
title Logical Models for Rule-based CAAD
source CAAD futures ‘87 [Conference Proceedings / ISBN 0-444-42916-6] Eindhoven (The Netherlands), 20-22 May 1987, pp. 107-116
summary The aim of this paper is to present the basic results of a theoretic approach to represent architectural individual forms in CAD systems. From the point of view of design methodology and problem solving these descriptions might be conceived' as parts of possible environments satisfying the laws of some design theory in logical sense. This paper describes results in a series of logical studies towards rule and knowledge based systems for design automation. The effective use of programming languages and computers as design aids in architecture presupposes certain capabilities to articulate built environment logically. The use of graphic languages in the description of environmental items e.g. buildings might be theoretically mastered by formal production systems including linguistic, geometric, and spatio-material generation. The combination of the power of formal mechanisms and logical individual calculus offers suitable framework to generate arbitrary e.g. free spatial compositions as types or unique solutions. In this frame it is natural to represent in a coherent way very complex hierarchical parsing of buildings in explicit form as needed in computer implementations. In order to simulate real design work the individual configurations of possible built forms should be designed to satisfy known rules. In the preliminary stage partial solutions to design problems may be discussed in mathematical terms using frameworks like lattices, graphs, or group theoretical considerations of structural, functional, and visual organization of buildings. The capability to produce mathematically sophisticated geometric structures allows us to generalize the approach further. The theoretical design knowhow in architecture can be partly translated in to some logic and represented in a knowledge base. These rules are used as selection criteria for geometric design candidates in the sense of logical model theory and mathematical optimization. The economy of the system can be developed by using suitable conduct mechanisms familiar e.g. from logic programming. The semantics of logic offers a frame to consider computer assisted and formal generation in design. A number of semantic and pragmatic problems, however, remain to be solved. In any case conceptual analyses based on logic are applicable in order to rationally reconstruct architectural goals contributing to the quality of environmental design, which should be the main goal in the development of design systems in near future.
series CAAD Futures
last changed 1999/04/03 17:58

_id 08a1
authors Balachandran, M.B. and Gero, John S.
year 1987
title A Knowledge-based Graphical Interface for Structural Design
source Southampton: CM Publications, 1987. pp. 335-346
summary This paper describes a knowledge-based graphical interface for the domain of structural engineering. The key aspects of the system include graphics interpretation, feature extraction of graphic objects and the identification of the entity itself. Details of the implementation of a prototype system using Prolog and C are provided. The domain knowledge is represented as frames. Examples are given to illustrate the performance of the system
keywords structures, user interface, knowledge base, systems, design, engineering, computer graphics, frames
series CADline
email
last changed 2003/06/02 13:58

_id 696c
authors Beheshti, M. and Monroy, M.
year 1988
title Requirements for Developing an Information System for Architecture
source CAAD futures ‘87 [Conference Proceedings / ISBN 0-444-42916-6] Eindhoven (The Netherlands), 20-22 May 1987, pp. 149-170
summary This paper discusses possibilities of developing new tools for architectural design. It argues that architects should meet the challenge of information technology and computer-based design techniques. One such attempt has been the first phase of the development of an architectural design information system (ADIS), also an architectural design decision support system. The system should benefit from the developments of the artificial intelligence to enable the architect to have access to information required to carry out design work. In other words: the system functions as a huge on-line electronic library of architecture, containing up-to-date architectural design information, literature, documents, etc. At the same time, the system offers necessary design aids such as computer programs for design process, drawing programs, evaluation programs, cost calculation programs, etc. The system also provides data communication between the architect and members of the design coalition team. This is found to be of vital importance in the architectural design process, because it can enable the architect to fit in changes, brought about in the project by different parties. Furthermore, they will be able, to oversee promptly the consequences of changes or decisions in a comprehensive manner. The system will offer advantages over the more commonly applied microcomputer based CAAD and IGDM (integrated graphics database management) systems, or even larger systems available to an architect. Computer programs as well as hardware change rapidly and become obsolete. Therefore, unrelenting investment pressure to up-date both software and hardware exists. The financial burden of this is heavy, in particular for smaller architectural practices (for instance an architect working for himself or herself and usually with few or no permanent staff). ADIS, as an on-line architectural design aid, is constantly up-dated by its own organisation. This task will be co-ordinated by the ADIS data- base administrator (DBA). The processing possibilities of the system are faster, therefore more complex processing tasks can be handled. Complicated large graphic data files, can be easily retrieved and manipulated by ADIS, a large system. In addition, the cost of an on-line system will be much less than any other system. The system is based on one model of the architectural design process, but will eventually contain a variety of design models, as it develops. The development of the system will be an evolutionary process, making use of its users' feed-back system. ADIS is seen as a step towards full automation of architectural design practices. Apart from being an architectural design support system, ADIS will assist the architect in his/her administrative and organisational activities.
series CAAD Futures
last changed 2003/11/21 15:16

_id 21d1
authors Blinn, James F.
year 1987
title How Many Ways Can You Draw a Circle?
source IEEE Computer Graphics and Applications. August, 1987. vol. 7: pp. 39-65
summary This is a first in a series of columns on computer graphics. In this column the author discusses the different algorithms one can find for drawing circles. The algorithms collection can be categorized by the two types of output: line endpoints or pixel coordinates. This comes from the general dichotomy of curve representation - parametric vs. algebraic. The language used is a mishmash of several programming constructs
keywords drafting, circles, algorithms, programming, techniques
series CADline
last changed 2003/06/02 13:58

_id eeea
authors Boehm, Barry W.
year 1987
title Improving Software Productivity
source IEEE Computer. September, 1987. vol. 20: pp. 43-47 : ill. graphs, tables. includes bibliography
summary This article discusses avenues of improving productivity for both custom and mass-produced software. Some of the topics covered are: The importance of improving software productivity, measuring software productivity, analyzing software productivity, improving and indicating trends in software productivity
keywords software, productivity, engineering, programming
series CADline
last changed 2003/06/02 13:58

_id a936
authors Boesjes, E.
year 1988
title The Structure of the Automation Process; Implications for CAAD
source CAAD futures ‘87 [Conference Proceedings / ISBN 0-444-42916-6] Eindhoven (The Netherlands), 20-22 May 1987, pp. 59-69
summary In this paper we describe the dynamic process of change of computer components, computer products and user-techniques. We will refer to this process as the process of automation. In the first part we describe the structure of the process of automation. This structure consists of components and relations between these components. Some of the relations can be characterised as regularities. In the second part we briefly describe the State of the Art in CAAD. From the State of the Art and the process of automation we can extrapolate the State of the Future in CAAD. This extrapolation doesn't bring us to the future we want. The structure of the process of automation will have to change if we want future CAAD to develop towards an ideal.
series CAAD Futures
last changed 2003/11/21 15:16

_id 471f
authors Brooks, Frederick P. Jr.
year 1987
title Essence and Accidents of Software Engineering
source IEEE Computer. April, 1987. vol. 20: pp. 10-19 : ill. includes bibliography. -- See also Information Processing '86 edited by H.J. Kugler; and Brooks, F.P. 'The Mythical Man-Month,' Addison-Wesley, 1978
summary The author analyzed the nature and the problems of software engineering and assessed the technical developments that are most often advanced as potential solutions for the problems
keywords software, programming, languages, management
series CADline
last changed 2003/06/02 10:24

_id ea89
authors Brown, John L.
year 1987
title Integrating Computers into the Design Studio - A Critical Evaluation
doi https://doi.org/10.52842/conf.acadia.1987.029
source Integrating Computers into the Architectural Curriculum [ACADIA Conference Proceedings] Raleigh (North Carolina / USA) 1987, pp. 29-38
summary This paper presents a critical evaluation of two years of experience in using computer aided design as the primary graphic tool in an architectural design studio. In addition to significant benefits being realized, it was found that in a number of circumstances the graphic tool seemed to place unnecessary or inappropriate constraints on the designer. A critical examination of this tendency revealed that there may be a discrepancy between the theoretical framework in which computer aided design systems are developed and used, and the conceptual framework of contemporary architectural thought. These issues arising from the studio experience, are discussed and placed within the context of current theoretical concerns in architecture.

series ACADIA
email
last changed 2022/06/07 07:54

_id 224d
authors Fiebrich, Rolf-Dieter
year 1987
title The Connection Machine : A General Purpose Accelerator for VLSI CAD
source COMPCON 87. IEEE Computer Society, Spring, 1987. pp. 211-214 : ill. includes a short bibliography
summary This paper first summarizes the implementation of several computation-intensive CAD algorithms on the Connection Machine, a massively parallel computer. It then discusses parallel operations of a memory resident design data base currently under development. This data base is the central component to which all CAD tools interface. Substantial speedups are obtained for tasks like simulation and placement as well as database operations. Highly interactive capabilities further shorten the design cycle
keywords CAD, algorithms, database, architecture, parallel processing, programming, geometric modeling, integrated circuits, design, electrical engineering, CAE
series CADline
last changed 1999/02/12 15:08

_id 2ac0
authors Galle, Per
year 1987
title A Formalized Concept of Sketching in Automated Floor Plan Design
source 177 p. 1987. DIKO Research Report No.87/3
summary CADLINE has abstract only. Automated floor plan design, though originally motivated by the difficulties encountered by architects manually designing building layouts, raise several questions that may be of relevance to related application areas as well. e.g. design of electronic circuitry. One such question is, 'how do we come from a given set of constraints on size and placement of rooms (components) to a set of floor plans (circuit layouts) that satisfy these constraints?' In manual architectural design, sketches are used as an intermediate step. The present work is a study of a number of formalizations of the sketch concept which have been or could be used in computer- generation of architectural floor plans. A particular type of sketch, called the 'delta-derivative', is suggested and developed. The delta-derivative of a desired solution plan is an approximation of that solution plan and usually several other similar or 'equivalent' solutions. The idea is to generate sketches ('abstract' plans) before solutions ('concrete' plans), because they are simpler to compute, weeding out sketches that are not 'promising', and trying to refine the remaining sketches into solutions proper, thus limiting the amount of combinatorial search. Several abstraction levels of sketches may be used in this process. However, constraints as specified by the user of an automated design system are assumed to apply to the solutions; therefore a major theoretical problem which is addressed in the report is the derivation of sketch-level constraints that define which sketches to be generated. A comprehensive floor plan design system based on these ideas has been implemented, and empirical results are reported which confirms certain predicted advantages of delta-derivatives but also shows that the sketch-level constraints based on the developed theory are too weak if used alone; they allow generation of too many sketches which cannot possibly be refined into solutions. The report finally conjectures a solution to this problem
keywords CAD, planning, architecture, floor plans, design, combinatorics, programming, abstraction
series CADline
last changed 1999/02/12 15:08

_id 8eb5
authors Gero, John S. (Conference Chairman and Editor)
year 1987
title Expert Systems in Computer-Aided Design
source IFIP WG 5.2 Working Conference on Expert Systems in Computer-Aided Design. proceedings. 1987. 533 p. : ill. Amsterdam: North-Holland, 1987. Also published as a book by North Holland (Amsterdam, 1987)
summary The aim of the Expert Systems in Computer-Aided Design conference was to provide a forum for the exchange of ideas and experiences related to expert systems in computer-aided design, to present and explore the state-of-the-art of expert systems in computer-aided design, to delineate future directions in both research and practice and to promote further development. Seventeen of the nineteen papers accepted were presented with each presentation followed by a round table discussion. The discussion was taped, transcribed and edited and forms part of this volume. The authors came from seven countries, whilst the attendees represented some thirteen nationalities. There is an implicit structure in the ordering of the papers, commencing with system architectures, representation tools through applications to specific design concerns. These papers demonstrate the wide variety of knowledge engineering tools needed in computer-aided design. It is interesting to observe the progression over these three conferences in the ratio of computer scientists to design researchers amongst the authors. The balance over the period has swung from a predominance of computer scientists to a predominance of design researchers. We are beginning to see knowledge engineering development driven by designers' needs
keywords CAD, expert systems, AI, design
series CADline
email
last changed 2003/06/02 13:58

_id 43a9
authors Goldman, Glenn and Zdepski, Stephen
year 1987
title Form, Color & Movement
doi https://doi.org/10.52842/conf.acadia.1987.039
source Integrating Computers into the Architectural Curriculum [ACADIA Conference Proceedings] Raleigh (North Carolina / USA) 1987, pp. 39-50
summary Computer generated three dimensional architectural modeling is a fundamental transformation of the traditional architectural design process.

Viewing a three dimensional computer model from many vantage points and through animation sequences, presents buildings and their surrounding environments as a sequence of spaces and events, rather than as static objects or graphic abstractions. Three dimensional modeling at the earliest stages of design tends to increase the spatial and formal properties of early building design studies, and diminishes the dominance of plan as the form giver.

The following paper is based upon the work of second, third and fifth year architectural students who have engaged in architectural design through the use of microcomputer graphics. In each case they entered the architectural studio with virtually no computer experience. Although the assigned architectural projects were identical to those of other "conventional" architectural studios, their design work was accomplished, almost solely, using four different types of graphic software: Computer-Aided Drafting, 3-Dimensional Modeling, Painting and Animation programs. Information presented is based upon student surveys, semester logs, interviews, impressions of external design critics, and the comparison of computer based and conventional studio final presentations.

series ACADIA
email
last changed 2022/06/07 07:51

_id 8385
authors Holtz, Neal M. and Rasdorf, William J.
year 1988
title An Evaluation of Programming Languages and Language Features for Engineering Software Development
source International Journal of Engineering with Computers. Springer-Verlag, 1988. vol. 3: pp. 183-199
summary Also published as 'Procedural Programming Languages for the Development of CAD and CAE Systems Software,' in the proceedings of ASME International Conference on Computers in Engineering (1987 : New York, NY). The scope of engineering software has increased dramatically in the past decade. In its early years, most engineering applications were concerned solely with solving difficult numerical problems, and little attention was paid to man- machine interaction, to data management, or to integrated software systems. Now computers solve a much wider variety of problems, including those in which numerical computations are less predominant. In addition, completely new areas of engineering applications such as artificial intelligence have recently emerged. It is well recognized that the particular programming language used to develop an engineering application can dramatically affect the development cost, operating cost. reliability, and usability of the resulting software. With the increase in the variety, functionality, and complexity of engineering software, with its more widespread use, and with its increasing importance, more attention must be paid to programming language suitability so that rational decisions regarding language selection may be made. It is important that professional engineers be aware of the issues addressed in this paper, for it is they who must design, acquire, and use applications software, as well as occasionally develop or manage its development. This paper addresses the need for engineers to possess a working knowledge of the fundamentals of computer programming languages. In pursuit of this, the paper briefly reviews the history of four well known programming languages. It then attempts to identify and to look critically at the attributes of programming languages that significantly affect the production of engineering software. The four procedural programming languages chosen for review are those intended for scientific and general purpose programming, FORTRAN 77, C, Pascal, and Modula-2. These languages are compared and some general observations are made. As it is felt important that professional engineers should be able to make informed decisions about programming language selection, the emphasis throughout this paper is on a methodology of evaluation of programming languages. Choosing an appropriate language can be a complex task and many factors must be considered. Consequently, fundamentals are stressed
keywords programming, engineering, languages, software, management, evaluation, FORTRAN, C, PASCAL, MODULA-2, CAD, CAE
series CADline
last changed 2003/06/02 13:58

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