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 ecaade2008_160
id ecaade2008_160
authors Aschwanden, Gideon; Halatsch, Jan; Schmitt , Gerhard
year 2008
title Crowd Simulation for Urban Planning
source Architecture in Computro [26th eCAADe Conference Proceedings / ISBN 978-0-9541183-7-2] Antwerpen (Belgium) 17-20 September 2008, pp. 493-500
summary This paper presents a semi-automatic visualization method for the evaluation of urban environments that is based on artificial intelligence. It proposes the use of agent-based crowd simulation software on a mid-scale urban planning level for design evaluation. The information on agents’ movements is noted in standard raster images. The results are maps that are easy to understand. These maps show movement paths of the agents and density and give further conclusion on bottlenecks in planning contexts. Key measures, like the occupant movement in a given district, until now relied greatly on empirical knowledge or data that could be only gathered after an urban design had become built reality. Our method focuses on the adaptation of common software technology that is originally situated in film and TV productions. A practical workflow shows how our method can be easily integrated in daily design tasks.
keywords Artificial intelligence, agent-based, crowd simulation, urban planning, design evaluation, occupant movement
series eCAADe
last changed 2008/09/09 13:55

_id ecaade2010_168
id ecaade2010_168
authors Halatsch, Jan; Caro, Thomas; Moser, Bruno; Schmitt, Gerhard
year 2010
title A Grammar-based Procedural Design Guideline Visualization Diagram for the Development of SVA Masdar
source FUTURE CITIES [28th eCAADe Conference Proceedings / ISBN 978-0-9541183-9-6] ETH Zurich (Switzerland) 15-18 September 2010, pp.833-840
summary Nowadays, a large set of involved planning parties are heavily demanded with the definition of holistic in kind requirement specifications for urban planning sites – so called future cities. However, the resulting amountof specifications for a specific building project poses a great challenge to designers and planners especially when it comes to include this information into their design proposals for a sustainable urban development. These design performance criteria are traditionally expressed in textual and numerical planning guidelines and which are making it difficult to establish a comprehensive and holistic view onto the domain itself. Therefore we present in this paper a design guide visualization method to overcome this situation for the evaluation of design specification and urban layouts in a qualitative and quantitative manner.
wos WOS:000340629400089
keywords Sustainable urban patterns; Shape grammars; Design evaluation; Urban planning; Design guide translation
series eCAADe
last changed 2016/05/16 09:08

_id ecaade2009_179
id ecaade2009_179
authors Halatsch, Jan; Kunze, Antje; Schmitt, Gerhard
year 2009
title Value Lab: a Collaborative Environment for the Planning of Future Cities
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. 507-514
summary This paper describes how the Value Lab is a) developed and b) used in education, research and workshops for (1) Interactive urban design and scenario planning that includes methods to support concurrent collaborative urban design over distances, and scenario planning based on defined case studies; (2) Visualization techniques for the detection and prediction of changes in urban environments; (3) Knowledge transfer to synthesize, interact with and communicate essential knowledge and findings from an array of disciplines for decision making, education, training, demonstration, and public discussions.
wos WOS:000334282200061
keywords Urban planning, information architecture, multi-touch displays, simulation, city modeling
series eCAADe
last changed 2016/05/16 09:08

_id ecaade2009_180
id ecaade2009_180
authors Halatsch, Jan; Mamoli, Myrsini; Economou, Athanassios; Schmitt, Gerhard
year 2009
title The Hellenistic City Model Inspired by Koolhaas: A Test Case for a Generic City Model
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. 279-286
summary In this paper, we suggest a generic city description model suited for purposes like semi-automatic city modeling and urban layout evaluation. The generic city model refers to basic vital functions of a (computable) city. Feature patterns are used to extend the generic city model with global and local characteristics. The Hellenistic cities serve as a platform for a first implementation to test a semi-automatic city model generation. As a result four cities are reconstructed as a first example of our ongoing work, Miletus, Knidos, Priene and Olynthus. Future work will deal with the application of the generic city model to the performance simulation of contemporary urban layouts.
wos WOS:000334282200034
keywords City modeling, semi-automatic, design grammars, urban planning, archeological reconstruction, generic city
series eCAADe
last changed 2016/05/16 09:08

_id sigradi2009_669
id sigradi2009_669
authors Jacobi, Martina Maldaner; Jan Halatsch; Antje Kunze; Gerhard Schmitt; Benamy Turkienicz
year 2009
title A grammar-based system for the participatory design of urban structures [A grammar-based system for the participatory design of urban structures ]
source SIGraDi 2009 - Proceedings of the 13th Congress of the Iberoamerican Society of Digital Graphics, Sao Paulo, Brazil, November 16-18, 2009
summary We propose a three-step participatory design cycle for the early urban design phase that can be integrated into the digital design chain. Step one involves a visualization method that is implemented as an interactive card-based interview technique for the collaborative requirement specification of urban designs. In step two these specifications are a) translated into simplified GIS data and then b) implemented into a grammar-based system together with the corresponding design regulations. The final outcome is a generative and iterative urban model, which includes buildings, building blocks, transportation networks and open spaces that visually communicates spatial impacts of urban design proposals.
keywords City modeling; participatory design; shape grammars; urban planning
series SIGRADI
last changed 2016/03/10 08:53

_id ecaade2012_153
id ecaade2012_153
authors Kunze, Antje ; Dyllong, Julia ; Halatsch, Jan ; Waddell, Paul ; Schmitt, Gerhard
year 2012
title Parametric building typologies for San Francisco Bay Area: A conceptual framework for the implementation of design code building typologies towards a parametric procedural city 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. 187-193
summary This research paper concentrates on a conceptual framework for the creation of high-level procedural city models. A workflow is presented, which enables users to create city models in an intuitive way by using design-code-driven building typologies. This drastically advances traditional procedural city modelling where usually low-level implementations of city model components take place. New planning methods and instruments have to be developed for the growing demand of the rapid environmental, social and economic changes in cities and agglomerations. The presented method allows for quick visualization and iteration by using urban planning typologies.
wos WOS:000330322400018
keywords Procedural Modeling; Design Codes; Urban Planning; City Modeling; Decision-making process
series eCAADe
last changed 2014/04/14 11:07

_id ecaade2011_144
id ecaade2011_144
authors Kunze, Antje; Halatsch, Jan; Vanegas, Carlos; Jacobi, Martina Maldaner
year 2011
title A Conceptual Participatory Design Framework for Urban Planning: The case study workshop ‘World Cup 2014 Urban Scenarios’, Porto Alegre, Brazil
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.895-903
summary This paper focuses on the definition of a conceptual participatory design framework for urban planning. Traditional planning methods can no longer satisfy the growing demands on sustainable urban planning in regard to factors such as complexity, problem size, and level of detail and these limitations make the development of new approaches necessary. Expert knowledge as well as insights from stakeholders and community members needs to take part equally in the decision-making process since they are responsible for a broad understanding and acceptance of final planning decisions. Therefore, a participatory framework is presented in the following, which integrates needs and requirements of stakeholders. In order to enable diverse groups of stakeholders to act conjointly, we propose the application of interactive decision support tools, which will leverage general conclusions especially to solve crucial zplanning decisions.
wos WOS:000335665500103
keywords Decision-making process; stakeholder participation; shape grammars; procedural model; urban planning
series eCAADe
last changed 2016/05/16 09:08

_id ecaade2010_000
id ecaade2010_000
authors Schmitt, Gerhard; Hovestadt, Ludger; Van Gool, Luc; Bosché, Frédéric; Burkhard, Remo; Colemann, Suzanne; Halatsch, Jan; Hansmeyer, Michael; Konsorski-Lang, Silke; Kunze, Antje; Sehmi-Luck, Martina (eds.)
year 2010
source 28th eCAADe Conference Proceedings [ISBN 978-0-9541183-7-2], ETH Zurich (Switzerland) 15-18 September 2010, 904 p.
summary Future Cities – the title of the 2010 eCAADe Conference describes one of the major challenges of the 21st century. The conference theme is a logical evolution from previous years in that it expands the focus of interest from the building to larger scales and higher complexity. The conference contributions describe methods and instruments that were developed in the last three decades and apply them to city and territorial planning. The eCAADe proceedings demonstrate that CAAD research and education of the past prepared the ground for the future and for the increased responsibility of the CAAD community. The population of cities has developed worldwide from a minority to the majority. Cities are the largest, most complex and most dynamic man-made systems. As vibrant centres of cultural life and of mega events, they are engines that drive local and global economies. However, their growth was in the fewest cases determined by sustainability goals. As a result, contemporary metropolitan territories are often environmentally, socially and economically unsustainable entities placing increasing pressure on the surrounding rural areas. No longer do traditional methods support the planning and managing of large cities – these methods have reached their limits. Parallel to the revolution in the design of buildings, we need a radical re-thinking of the planning, design, development and management process of cities and urban-rural systems. Compared to buildings, urban and rural systems involve a much higher number of stakeholders and decision makers. We need to study and simulate the effects and side effects of urban-rural planning or re-development much earlier in the process than normally done today. The goal seems clear: the transformation of existing and the planning of new sustainable urban-rural systems. As ordering principles we can build on experiences with building architecture. Complexity, dynamics, scale, and the urban metabolism evolve as promising research and education areas.
series eCAADe
last changed 2010/08/24 07:32

_id ecaade2007_143
id ecaade2007_143
authors Ulmer, Andreas; Halatsch, Jan; Kunze, Antje; Müller, Pascal; Gool, Luc Van
year 2007
title Procedural Design of Urban Open Spaces
source Predicting the Future [25th eCAADe Conference Proceedings / ISBN 978-0-9541183-6-5] Frankfurt am Main (Germany) 26-29 September 2007, pp. 351-358
summary This paper presents a novel approach for the automatic creation of vegetation scenarios in real or virtual 3D cities in order to simplify the complex design process and time consuming modeling tasks in urban landscape planning. We introduce shape grammars as a practical tool for the rule-based generation of urban open spaces. The automatically generated designs can be used for pre-visualization, master planning, guided design variation and digital content creation in general (e.g. for the entertainment industry). In a first step, we extend the CGA shape grammar by Müller et al. (2006) with urban planning operations. In a second step, we employ the possibilities of shape grammars to encode design patterns (Alexander et al., 1977). Therefore, we propose several examples of design patterns allowing for an intuitive high-level placement of objects common in urban open spaces (e.g. plants). Furthermore, arbitrary interactions between distinct instances of the vegetation and the urban environment can be encoded. With the resulting system, the designer can efficiently vegetate landscape and city parks, alleys, gardens, patios and even single buildings by applying the corresponding shape grammar rules. Our results demonstrate the procedural design process on two practical example scenarios, each one covering a different scale and different contexts of planning. The first example illustrates a derivation of the Garden of Versailles and the second example describes the usage of high-level rule sets to generate a suburbia model.
keywords City modeling, design methodology, generative design, simulation, virtual environments
series eCAADe
last changed 2007/09/16 15:55

_id ecaade2010_079
id ecaade2010_079
authors Wissen Hayek, Ulrike; Neuenschwander, Noemi; Halatsch, Jan; Gre_t-Regamey, Adrienne
year 2010
title Procedural Modeling of Urban Green Space Pattern Designs Taking into Account Ecological Parameters
source FUTURE CITIES [28th eCAADe Conference Proceedings / ISBN 978-0-9541183-9-6] ETH Zurich (Switzerland) 15-18 September 2010, pp.339-347
summary Cities all over the world are challenged by increasing the quality of life of urban citizens in order to ensure sustainable urban development. However, a lot of policies and planning fail in integrating environmental aspects in a way that makes them applicable for design leading to rather unsustainable developments. This paper presents an approach to integrate ecological parameters into urban design using a procedural, shape grammar driven modeling and visualization system. Design specifications and ecological goals given in the Masterplan of MASDAR City derived as an application example for the workflow. We used the concept of ecosystem services to break down the ecological process knowledge to design rules and meaningful, quantifiable spatial indicators. Our results demonstrate the application of the proposed approach covering different planning scales (district and building level). The integrated model suits as an assessment tool that can be used to test urban design alternatives on the ecological functioning as a starting point for architects.
wos WOS:000340629400036
keywords City modeling; Shape grammar; Ecological indicators; Urban ecosystem services; Sustainable urban patterns
series eCAADe
last changed 2016/05/16 09:08

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