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 sigradi2006_e070c
id sigradi2006_e070c
authors Cardoso, Daniel
year 2006
title Controlled Unpredictability: Constraining Stochastic Search as a Form-Finding Method for Architectural Design
source SIGraDi 2006 - [Proceedings of the 10th Iberoamerican Congress of Digital Graphics] Santiago de Chile - Chile 21-23 November 2006, pp. 263-267
summary Provided with a strict set of rules a computer program can perform the role of a simple designer. Taking advantage of a computer’s processing power, it can also provide an unlimited number of variations in the form while following a given set of constraints. This paper delineates a model for interrelating a rule-based system based on purely architectural considerations with non-deterministic computational procedures in order to provide controlled variations and constrained unpredictability. The experimental model consists of a verisimilar architectural problem, the design of a residential tower with a strict program of 200 units of different types in a given site. Following the interpretation of the program, a set of rules is defined by considering architectural concerns such as lighting, dimensions, circulations, etc. These rules are then encoded in a program that generates form in an unsupervised manner by means of a stochastic search algorithm. Once the program generates a design it’s evaluated, and the parameters on the constraints are adjusted in order to produce a new design. This paper presents a description of the architectural problem and of the rule building process, images and descriptions of three different towers produced, and the code for the stochastic-search algorithm used for generating the form. The succesful evolution of the experiments show how in a computation-oriented design process the interpretation of the problem and the rule setting process play a major role in the production of meaningful form, outlining the shifting role of human designers from form-makers to rule-builders in a computation-oriented design endeavour.
keywords Architectural Design; Stochastic; Random; Rule-based systems; Form-generation
series SIGRADI
last changed 2016/03/10 08:48

_id sigradi2016_656
id sigradi2016_656
authors Heidrich, Felipe Etchegaray
year 2016
title Refer?ncias Digitais para Visualizaç?o de Possibilidades de Organizaç?o do Espaço Arquitetônico [Digital References to See Different Possibilities for the Organization of Architectural Space]
source SIGraDi 2016 [Proceedings of the 20th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-7051-86-1] Argentina, Buenos Aires 9 - 11 November 2016, pp.539-543
summary This paper is part of a study that develops interactive three-dimensional models that will be used as digital references of different possibilities of organizing architectural space. Therefore, in this paper, was developed digital models that represent five possible circulations within an art gallery. These models were converting a model with the possibility of interaction and visualization in the third person. The software used in this conversion was chosen because generate a models with easy processing for rendering in real-time and having a viewer freeware, which allowed the intended use.
keywords Architectural Space; Interactive Three-Dimensional Models; Digital References
series SIGraDi
last changed 2017/06/21 12:20

_id cf2019_001
id cf2019_001
authors Shekhawat, Krishnendra; Pinki Pinki and Duarte Jose
year 2019
title A Graph Theoretical Approach for Creating Building Floor Plans
source Ji-Hyun Lee (Eds.) "Hello, Culture!"  [18th International Conference, CAAD Futures 2019, Proceedings / ISBN 978-89-89453-05-5] Daejeon, Korea, pp. 20
summary Existing floor planning algorithms are mostly limited to rectangular room geometries. This restriction is a significant reason why they are not used much in design practice. To address this issue, we propose an algorithm (based on graph theoretic tools) that generates rectangular and, if required, orthogonal floor plans while satisfying the given adjacency requirements. If a floor plan does not exist for the given adjacency requirements, we introduce circulations within a floor plan to have a required floor plan.

keywords adjacency, algorithm, graph theory, rectangular floor plan, orthogonal floor plan
series CAAD Futures
last changed 2019/07/29 12:08

_id ecaadesigradi2019_265
id ecaadesigradi2019_265
authors Vegas, Gonzalo, Bernal, Marcelo and Calvo, Francisco
year 2019
title Multi-Criteria Agent Based Systems - Generation of circulations through local decisions
source Sousa, JP, Xavier, JP and Castro Henriques, G (eds.), Architecture in the Age of the 4th Industrial Revolution - Proceedings of the 37th eCAADe and 23rd SIGraDi Conference - Volume 2, University of Porto, Porto, Portugal, 11-13 September 2019, pp. 121-130
summary This study explores to what extent Agent Based Systems (ABS) can handle multi-criteria optimization problems. The implementation of ABS in the field of optimization has limitations to address multiple criteria in a continuous generation process due to ABS usually merge the perceived information in a single response. To address this limitation, we increase the responsiveness of the systems through a multiple production approach. This approach breaks down the problem into two parts: the configuration through the interactions of the agents, and the overall performance through their local decisions. The method is tested in a case study of the network circulations of a park, optimizing the slope, views and sun. Performance and differentiation capabilities are evaluated in populations generated in two different scenarios. Data analysis methods verify the effectiveness of the algorithm and quantify the influence of each parameter on the final results.
series eCAADeSIGraDi
last changed 2019/08/26 20:26

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