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 20 of 22

_id ecaade2013_214
id ecaade2013_214
authors Barros, Pedro; Beirão, José and Duarte, José Pinto
year 2013
title The Language of Mozambican Slums
source Stouffs, Rudi and Sariyildiz, Sevil (eds.), Computation and Performance – Proceedings of the 31st eCAADe Conference – Volume 2, Faculty of Architecture, Delft University of Technology, Delft, The Netherlands, 18-20 September 2013, pp. 715-724
wos WOS:000340643600074
summary A shape grammar was developed for analyzing the evolution of Maputo´s slums with the strategic objective of capturing the evolution of house types and understanding the social agreements behind the spatial relations of their house elementary spaces in order to reuse such rules for the purpose of rehabilitation. This paper shows preliminary results of the research and aims at developing, based on the resulting grammars, a parametric tool able to execute morphological analyses, simulations and generate improved design solutions for the qualification of Maputo´s informal settlements.
keywords Shape grammars; urbanism; computation; regeneration; informal settlements.
series eCAADe
email prbarros.arq@gmail.com
last changed 2016/05/16 09:08

_id ecaade2012_130
id ecaade2012_130
authors Beirão, José ; Arrobas, Pedro ; Duarte, José
year 2012
title Parametric Urban Design: Joining morphology and urban indicators in a single interactive model
source Achten, Henri; Pavlicek, Jiri; Hulin, Jaroslav; Matejovska, Dana (eds.), Digital Physicality - Proceedings of the 30th eCAADe Conference - Volume 1 / ISBN 978-9-4912070-2-0, Czech Technical University in Prague, Faculty of Architecture (Czech Republic) 12-14 September 2012, pp.167-175
wos WOS:000330322400016
summary A parametric urban design system integrating GIS data in a CAD environment is proposed as a platform for discussing urban plans providing flexibility and information access in an interactive fashion. The proposed system links calculations of urban indicators with the parameter manipulation of the layout geometry, therefore allowing for a systematic update of indicators according to design modifi cations. Hence, design may be fine-tuned in an informed manner enhancing the quality of design decisions.
keywords Parametric urban design; density studies; design methods
series eCAADe
email jnb@fa.utl.pt
last changed 2014/04/14 11:07

_id ecaade2013_212
id ecaade2013_212
authors Beirão, José and Arrobas, Pedro
year 2013
title Interactive Urban Parametric Design
source Stouffs, Rudi and Sariyildiz, Sevil (eds.), Computation and Performance – Proceedings of the 31st eCAADe Conference – Volume 1, Faculty of Architecture, Delft University of Technology, Delft, The Netherlands, 18-20 September 2013, pp. 291-299
wos WOS:000340635300030
summary This paper presents the use of a City Information Modeling (CIM) platform composed of a GIS platform, a SQL database, a CAD design interface and a VPI used to develop the parametric models of possible development scenarios. It calculates urban indicators and measurable design properties in order to better understand and support choices while making design decisions. Such approach improves the generation of alternative scenarios projections supported by the calculation of urban properties.
keywords Flexible planning; parametric urban design; alternative scenarios.
series eCAADe
email parrobas@gmail.com
last changed 2016/05/16 09:08

_id 2005_491
id 2005_491
authors Beirão, José and Duarte, José
year 2005
title Urban Grammars: Towards Flexible Urban Design
source Digital Design: The Quest for New Paradigms [23nd eCAADe Conference Proceedings / ISBN 0-9541183-3-2] Lisbon (Portugal) 21-24 September 2005, pp. 491-500
summary Traditional urban plans have definitive design systems, without the flexibility required to deal with the complexity and change that characterise contemporary urban societies. To provide urban plans with increased flexibility, it is proposed a design methodology capable of producing various design solutions instead of a specific definitive design. The methodology uses shape grammars as a process for generating urban design. In this approach, design becomes a system of solutions rather than a specific one. Through the analyses of a group of urban plans, a design methodology was sketched in which rules are used to enable more flexibility. These plans where chosen for their perceived qualities in terms of language, planning efficiency, and latent flexibility. As a result, a four-phased methodology was identified and thus, proposed for designing urban plans. This methodology was then combined with shape grammars and tested in a design studio setting. Students were asked to use the methodology and shape grammars as auxiliary instruments in the design of a flexible plan for a new town. In the following year, to simulate real-world conditions and oblige students to consider urban ordering and scale, work was structured differently. First, students were asked to develop a rule-based urban plan as in the previous year. Second, they were asked to conceive a detail plan for a sector of an urban plan defined by another group of students following its rules. The plans were then analysed with the goal of refining the methodology. Results show that shape grammars produce urban plans with non-definitive formal solutions, while keeping a consistent spatial language. They also provide plans with explicit and implicit flexibility, thereby giving future designers a wider degree of freedom. Finally, they provide students with a concrete methodology for approaching urban design and foster the development of additional designing skills.
keywords Shape Grammars, Flexible Urban Design
series eCAADe
email josebeirao@netc.pt
last changed 2012/11/23 18:17

_id ecaade2011_050
id ecaade2011_050
authors Beirão, José N.; Nourian, Pirouz; Mashhoodi, Bardia
year 2011
title Parametric urban design: An interactive sketching system for shaping neighborhoods
source RESPECTING FRAGILE PLACES [29th eCAADe Conference Proceedings / ISBN 978-9-4912070-1-3], University of Ljubljana, Faculty of Architecture (Slovenia) 21-24 September 2011, pp.225-234
wos WOS:000335665500025
summary In this paper we show the structure of an urban design parametric system. The system is dynamic and builds an interactive relation with the designer updating the layout and related data at each input change. The responsiveness of the system allows the designer to gain awareness on the qualitative consequences of each design move by comparing a design state with a set of urban indicators and density measures which are automatically calculated along with the geometrical updates.
keywords Parametric urban design; city modelling; urban planning
series eCAADe
email J.N.Beirao@tudelft.nl
last changed 2016/05/16 09:08

_id sigradi2012_145
id sigradi2012_145
authors Beirão, José Nuno
year 2012
title Minha Casa Minha Vida – a critical perspective; Possible alternatives and improvements
source SIGraDi 2012 [Proceedings of the 16th Iberoamerican Congress of Digital Graphics] Brasil - Fortaleza 13-16 November 2012, pp. 657-660
summary This paper exposes a criticism on the Brazilian social housing program “Minha Casa Minha Vida” (MCMV) and provides a few strategies for improving results. The role of new technologies is addressed as a way of enhancing the results of those strategies.
keywords Housing; Design process; New production systems
series SIGRADI
email jnb@fa.utl.pt
last changed 2016/03/10 08:47

_id caadria2014_170
id caadria2014_170
authors Beirão, José Nuno; André Chaszar and Ljiljana _avi_
year 2014
title Convex- and Solid-Void Models for Analysis and Classification of Public Spaces
source Rethinking Comprehensive Design: Speculative Counterculture, Proceedings of the 19th International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2014) / Kyoto 14-16 May 2014, pp. 253–262
summary In this paper a semiautomated morphological classification of urban space is addressed systematically by sorting through the volumetric shapes of public spaces represented as 3-dimensional convex and solid voids. The motivation of this approach comes from a frequent criticism of space syntax methods for lacking information on how buildings and terrain morphology influence the perception and use of public spaces in general and streets in particular. To solve this problem information on how façades relate with streets and especially information about the facades’ height should be considered essential to produce a richer and more accurate morphological analysis of street canyons and other open spaces. Parametric modelling of convex voids broadens the hitherto known concept of two-dimensional convex spaces considering surrounding facades’ height and topography as important inputs for volumetric representation of urban space. The method explores the analytic potentials of ‘convex voids’ and ‘solid voids’ in describing characteristics of open public spaces such as containment, openness, enclosure, and perceived enclosure, and using these metrics to analyse and classify urban open spaces.
keywords Open public space; convex voids; solid voids; user-guided feature recognition
series CAADRIA
email jnb@fa.ulisboa.pt
last changed 2014/04/22 08:23

_id ecaade2009_124
id ecaade2009_124
authors Beirão, José Nuno; Duarte, José Pinto; Stouffs, Rudi
year 2009
title An Urban Grammar for Praia: Towards Generic Shape Grammars for Urban Design
source Computation: The New Realm of Architectural Design [27th eCAADe Conference Proceedings / ISBN 978-0-9541183-8-9] Istanbul (Turkey) 16-19 September 2009, pp. 575-584
wos WOS:000334282200069
summary This paper presents a shape grammar for planned urban spaces intending an implementation for generative urban design. This implementation will form part of an urban design support tool defined to formulate, generate and evaluate urban designs. The goal is to formulate urban program descriptions according to context conditions using a description grammar and generate alternative design solutions using a shape grammar. The generation is guided by several evaluation processes performed by an evaluation module. In this paper we are focusing on the definition of the generic shape grammar using an existent urban plan as a case study. The aim is to encode the design moves of the urban designer into generic grammar rules amenable for specific instantiations through the customization of rule parameters.
keywords Shape grammars, patterns, generative urban design
series eCAADe
email J.N.Beirao@tudelft.nl, jnb@fa.utl.pt, jduarte@fa.utl.pt, R.M.F.Stouffs@tudelft.nl
last changed 2016/05/16 09:08

_id sigradi2009_821
id sigradi2009_821
authors Beirão, José Nuno; Nuno Montenegro; Jorge Gil; José P. Duarte; Rudi Stouffs
year 2009
title The city as a street system: A street description for a city ontology
source SIGraDi 2009 - Proceedings of the 13th Congress of the Iberoamerican Society of Digital Graphics, Sao Paulo, Brazil, November 16-18, 2009
summary The street system is an important component of the city ontology created for a generative urban design tool and should be able to integrate the many visions or interpretations that designers or other urban design agents may have about streets. This paper describes several characteristics of the street system, with its components organized into object classes which are the shape sets of algebras used by a generation module to generate street network representations that can be assessed by a GIS platform.
keywords Ontology; urban design; shape grammars; planning
series SIGRADI
email J.N.Beirao@tudelft.nl
last changed 2016/03/10 08:47

_id cf2009_890
id cf2009_890
authors Beirão, José; Duarte José, Stouffs Rudi
year 2009
title Grammars of designs and grammars for designing - grammar-based patterns for urban design
source T. Tidafi and T. Dorta (eds) Joining Languages, Cultures and Visions: CAADFutures 2009, PUM, 2009
summary Analytical work has demonstrated the potential of shape grammars for capturing rules embedded in existing design styles, and generating designs within such styles that match given design contexts. However, the creation of grammars for new design styles, from exploratory rules to design synthesis, remains elusive. The combined use of patterns and discursive grammars is here proposed as a way of encoding the semantics behind recurrent urban design operations and enable the development of a tool to support the creation of new grammars. The idea is that by exploring the combination of generative patterns designers may arrive at new grammars.
series other
type normal paper
email J.N.Beirao@tudelft.nl
last changed 2009/08/21 05:43

_id 4c44
id 4c44
authors Beirão, José; Duarte, José; Gil, Jorge; Montenegro, Nuno
year 2009
title Monitoring urban design through generative design support tools: a generative grammar for Praia
source Proceedings of 15 Congresso da APDR, Cidade da Praia, Cabo Verde.
summary Abstract Urban planning and design has a considerable impact on the economic performance of cities and regions. It is a complex process that extends for a long period and involves many participants. The lack of integrated tools to support this process hampers the ability to maximize the response of plans to contextual conditions while using the least resources. This paper describes research that aims to develop such a tool, integrating formulation, generation, and evaluation capabilities. It is focused on the generation module which relies on the encoding of Urban Induction Patterns (UIP) using shape grammars. A grammar for the extension plan of the city of Praia is presented as one of the case studies used to support UIP definition and illustrate its application. The paper also discusses how the proposed tool can be used for developing and monitoring urban plans.
keywords shape grammars; generative urban design; planning
series other
type normal paper
email J.N.Beirao@tudelft.nl
more http://www.apdr.pt/congresso/2009/
last changed 2009/07/30 13:58

_id ecaade2008_055
id ecaade2008_055
authors Beirão, José; Duarte, José; Stouffs, Rudi
year 2008
title Structuring a Generative Model for Urban Design: Linking GIS to Shape Grammars
source Architecture in Computro [26th eCAADe Conference Proceedings / ISBN 978-0-9541183-7-2] Antwerpen (Belgium) 17-20 September 2008, pp. 929-938
summary Urban Design processes need to adopt flexible and adaptive procedures to respond to the evolving demands of the contemporary city. To support such dynamic processes, a specific design methodology and a supporting tool are needed. This design methodology considers the development of a design system rather than a single design solution. It is based on patterns and shape grammars. The idea is to link the descriptions of each pattern to specific shape rules inducing the generation of formal solutions that satisfy the pattern. The methodology explores, from the urban designer point of view, the capacity of a shape grammar to codify and generate urban form (Duarte et al, 2007). This paper defines the ontology of urban entities to build on a GIS platform the topology describing the various components of the city structure. By choosing different sets of patterns the designer defines his vision for a specific context. The patterns are explicated into shape rules that encode the designer’s interpretation of the pattern, and operate on this ontology of urban entities generating solutions that satisfy the pattern’s concept. Some examples of the topological relations are shown.
keywords Patterns, shape grammars, ontology, generative urban design
series eCAADe
email J.N.Beirao@tudelft.nl
last changed 2008/09/09 13:55

_id ecaade2011_108
id ecaade2011_108
authors Celani, Gabriela; Beirão, José N.; Duarte, José P.: Vaz, Carlos
year 2011
title Optimizing the “characteristic structure”: Combining shape grammars and genetic algorithms to generate urban patterns
source RESPECTING FRAGILE PLACES [29th eCAADe Conference Proceedings / ISBN 978-9-4912070-1-3], University of Ljubljana, Faculty of Architecture (Slovenia) 21-24 September 2011, pp.491-500
wos WOS:000335665500057
summary The present paper is part of an undergoing research that aims at developing software that can generate urban plans, based on contemporary urban design concepts, in an optimized way. As a design method, the project proposes the use of the trilogy formulation/ generation/evaluation, which starts with an outline of the design requirements, proceeds with the definition of generative procedures that can result in these requirements, and follows with the evaluation of the generated designs. The paper describes the development of a computer program that implements some of Marshall’s evaluation methods, and further elaborates them to define generative criteria and to optimize the resulting designs with GA techniques. The program aims at generating what Marshall calls a “characteristic structure”, a type of urban fabric that is usually found in vernacular urban fabrics.
keywords Generative design; urban design; genetic algorithms; shape grammars
series eCAADe
email gabi.celani@gmail.com
last changed 2016/05/16 09:08

_id caadria2013_220
id caadria2013_220
authors Chaszar, André and José Nuno Beirão
year 2013
title Feature Recognition and Clustering for Urban Modelling – Exploration and Analysis in GIS and CAD
source Open Systems: Proceedings of the 18th International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2013) / Singapore 15-18 May 2013, pp. 601-610
wos WOS:000351496100059
summary In urban planning exploration and analysis assist the generation, measurement, interpretation and management of the modelled urban environments. This frequently involves categorisation of model elements and identification of element types. Such designation of elements can be achieved through attribution (e.g. ‘tagging’ or ‘layering’) or direct selection by model users. However, for large, complex models the number and arrangement of elements makes these approaches impractical in terms of time/effort and accuracy. This is particularly true of models which include substantial numbers of elements representing existing urban fabric, rather than only newly generated elements (which might be automatically attributed during the generation process). We present methods for identification and categorisation of model elements in models of existing and proposed urban agglomerations. We also suggest how these methods can enable exploration of models, discovery of identities and relationships not otherwise obvious, and acquisition of insights to the models’ structure and contents which are not captured, and may even be obscured, by manual selection or automated pre-attribution.  
keywords City information modelling, Data mining, Feature recognition, Geometric-content-based-search, Urban typologies 
series CAADRIA
email ccaatt@gmail.com
last changed 2016/05/16 09:08

_id sigradi2017_088
id sigradi2017_088
authors Elias, Samira; José Nuno Beirão
year 2017
title As relações determinantes entre Forma Urbana e Urbanidade [The determining relationships between Urban Form and Urbanity]
source SIGraDi 2017 [Proceedings of the 21th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-227-439-5] Chile, Concepción 22 - 24 November 2017, pp.611-619
summary This study aims at identifying the determinant factors that form the condition of urbanity in urban space. A set of urbanistic attributes, based on sampled parcels of the urban network, is used for a quanti-qualitative analysis. Calculations based on these attributes are used to identify the indicators that express the performative qualities of the place, thus allowing the evaluation of the correlation between the typological characteristics of form and the qualitative expression of the urban space. This methodology points to the attributes of the urban form that are most strongly related to the concept of urbanity and that positively influence the quality of urban spaces in the Brazilian context. Finally, we compare our observation with those available in the European literature, already well established in these matters.
keywords Urban Form, Urbanity, Urban Space, Urban Attributes, SIG;
series SIGraDi
email samiraelias.urb@gmail.com
last changed 2018/07/27 08:08

_id ecaade2009_148
id ecaade2009_148
authors Gil, Jorge; Montenegro, Nuno C.; Beirão, José Nuno; Duarte, José Pinto
year 2009
title On the Discovery of Urban Typologies: Data Mining the Multi-dimensional Character of Neighbourhoods
source Computation: The New Realm of Architectural Design [27th eCAADe Conference Proceedings / ISBN 978-0-9541183-8-9] Istanbul (Turkey) 16-19 September 2009, pp. 269-278
wos WOS:000334282200033
summary In sustainable urban development the first stage of the urban design process should consist of a pre-design phase where the context of the site is analysed both qualitatively and quantitatively. In this paper we present a methodology for data mining an urban Geographic Information System (GIS) data set, consisting of three main phases: representation, analysis and description. The process reveals a series of block and street typologies at various levels of detail that highlight the different character of two neighbourhoods. This methodology is demanding in the preparation phase and requires a high level of GIS and statistics expertise in the analysis phase. However, it successfully addresses the complex multi-scale and multi-level nature of cities in a systematic way, providing a tool for systematic profiling of neighbourhoods, which is site and problem specific.
keywords Data mining, GIS, sustainable development, urban typologies, urban context
series eCAADe
email gil.jorge@gmail.com, montenegroarquitectos@hotmail.com, J.N.Beirao@tudelft.nl, jduarte@fa.utl.pt
last changed 2016/05/16 09:08

_id ecaade2014_184
id ecaade2014_184
authors José Nuno Beirão, Letícia Mendes and Gabriela Celani
year 2014
title CItyMaker Workshop - An Urban Design Studio to experience the dynamic interaction between design exploration and data flow on density-based indicators
source Thompson, Emine Mine (ed.), Fusion - Proceedings of the 32nd eCAADe Conference - Volume 1, Department of Architecture and Built Environment, Faculty of Engineering and Environment, Newcastle upon Tyne, England, UK, 10-12 September 2014, pp. 33-41
wos WOS:000361384700002
summary This paper shows the results of a workshop on parametric urban design. A pattern based parametric urban design platform provides a common platform for urban design and analysis by linking GIS with a parametric CAD environment. Urban plans are developed by combining design patterns taken from a large set of parametric urban design patterns acknowledged as a generic urban design language. Urban plan instances are obtained through a specific composition of patterns and a specific assignment of parameters to the patterns. The models provide simultaneous analysis by confronting formal solutions with density indicators that are automatically provided by a set of density calculation patterns.
keywords Parametric urban design; citymaker, urban design workshop; design methodology
series eCAADe
email jnb@fa.ulisboa.pt
last changed 2016/05/16 09:08

_id ecaade2015_285
id ecaade2015_285
authors Lopes, João V.; Paio, Alexandra, Beirão, José N., Pinho, Eliana Manuel and Nunes, Luís
year 2015
title Multidimensional Analysis of Public Open Spaces - Urban Morphology, Parametric Modelling and Data Mining
source Martens, B, Wurzer, G, Grasl T, Lorenz, WE and Schaffranek, R (eds.), Real Time - Proceedings of the 33rd eCAADe Conference - Volume 1, Vienna University of Technology, Vienna, Austria, 16-18 September 2015, pp. 351-360
wos WOS:000372317300038
summary Public open spaces (parks, squares and other gathering places) can only be grasped from a simultaneous view of their attributes. In an ongoing Phd research project we propose to overcome the limitations of traditional-descriptive urban morphology methods in dealing with this simultaneity derived from their many shapes, functions, uses and relations within the urban structure. After developing the relations between formal attributes and intangible spatial properties, their identity and proximity may be disclosed by multivariate statistical analysis and data mining techniques. We outline a multidimensional method for the synchronic analysis and classification of the public open spaces departing from a research corpus of 126 Portuguese urban squares, whose analysis is intended to interactively (re)define it. The work done so far is presented, which comprises: (i) firming the concepts, criteria and attributes to extract; (ii) survey on theories, methods and spatial analysis tools and shortcomings identification; (iii) adaptation and/or creation of new methods and tools; (iv) creation of databases from CAD and GIS environments; (v) research on multivariate analysis, data mining and data visualization techniques.
series eCAADe
email Joint_ventura@hotmail.com
more https://mh-engage.ltcc.tuwien.ac.at/engage/ui/watch.html?id=975efcfa-7029-11e5-a1a9-9786dd4d89a9
last changed 2016/05/16 09:08

_id sigradi2017_084
id sigradi2017_084
authors Macêdo dos Santos, Deborah; José Nuno Dinis Cabral Beirão
year 2017
title Generative tool to support architectural design decision of earthbag building domes
source SIGraDi 2017 [Proceedings of the 21th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-227-439-5] Chile, Concepción 22 - 24 November 2017, pp.584-589
summary The interest in earthbag dome construction (also known as sandbag, superadobe or superblock construction) is increasing as a world consciousness develops to achieve the planet’s equilibrium for sustainable living. The main objective of this research is to develop a parametric tool to help architects modeling virtual earthbag domes from ideation to construction phase. This challenge has been addressed by adopting an experimental methodology that explores parametric generative design with the use of visual programming language (VPL). In this paper we present the development of a tool for the ideation level including features that allow for the calculation of material quantification. The usability of the tool was validated by earthbag constructors and architects.
series SIGraDi
email deborah.santos@ufca.edu.br
last changed 2018/07/27 08:08

_id ecaade2013_139
id ecaade2013_139
authors Mendes, Leticia Teixeira; Beirão, José Nuno; Duarte, José Pinto and Celani, Gabriela
year 2013
title A Bottom-Up Social Housing System Described with Shape Grammars
source Stouffs, Rudi and Sariyildiz, Sevil (eds.), Computation and Performance – Proceedings of the 31st eCAADe Conference – Volume 2, Faculty of Architecture, Delft University of Technology, Delft, The Netherlands, 18-20 September 2013, pp. 705-714
wos WOS:000340643600073
summary This paper presents the analysis of a bottom-up design system using shape grammars. This research is part of a larger study that proposes the development of a generic grammar to improve the quality of site development in social housing plans, including the improvement of their public spaces. We show the use of shape grammars as an analytical method to study the design of Belapur social housing development, designed by Charles Correa, in 1983.
keywords Design methodology; shape grammar; analytical grammar; low-income housing.
series eCAADe
email leticia@fec.unicamp.br
last changed 2016/05/16 09:08

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