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_081
id ecaade2008_081
authors LaBelle, Guillaum; Nembrini, Julien; Huang , Jeffrey
year 2008
title Simulation-Driven Design System
doi https://doi.org/10.52842/conf.ecaade.2008.469
source Architecture in Computro [26th eCAADe Conference Proceedings / ISBN 978-0-9541183-7-2] Antwerpen (Belgium) 17-20 September 2008, pp. 469-476
summary This paper presents a design process efficiently involving parametric design, realistic physical simulation and rapid-prototyping fabrication for contextual shape adaptation. This case study focuses on lighting simulation for the specific problem of solar energy harvesting. Inspired by the phototropic mechanism, the ability of plants to grow according to the availability of light, an innovative design technique is defined, taking its root in the morphogenetic design school [Hensel, 2004].
keywords Parametric,Simulation, Generative Design, CAD, Phototropism
series eCAADe
email
last changed 2022/06/07 07:52

_id cf2009_771
id cf2009_771
authors LaBelle, Guillaume; Nembrini, Julien and Huang, Jeffrey
year 2009
title Programming framework for architectural design ANAR+: Object oriented geometry
source T. Tidafi and T. Dorta (eds) Joining Languages, Cultures and Visions: CAADFutures 2009, PUM, 2009, pp. 771- 785
summary From the recent advent of scripting tools integrated into commercial CAAD software and everyday design practice, the use of programming applied to an architectural design process becomes a necessary field of study. The presented research explores the use of programming as explorative and reflexive medium (Schön, 1983) through the development of a programming framework for architectural design. Based on Java, the ANAR+ library is a parametric geometry environment meant to be used as programming interface by designers. Form exploration strategies based on parametric variations depend on the internal logic description, a key role for form generation. In most commercial CAD software, geometric data structures are often predefined objects, thus constraining the form exploration, whereas digital architectural research and teaching are in need for an encompassing tool able to step beyond new software products limitations.
keywords Parametric design, programming language, architectural Geometry, pro-cessing
series CAAD Futures
email
last changed 2009/06/08 20:53

_id ecaade2010_142
id ecaade2010_142
authors Labelle, Guillaume; Nembrini, Julien; Huang, Jeffrey
year 2010
title Geometric Programming Framework: ANAR+: Geometry library for Processing
doi https://doi.org/10.52842/conf.ecaade.2010.403
source FUTURE CITIES [28th eCAADe Conference Proceedings / ISBN 978-0-9541183-9-6] ETH Zurich (Switzerland) 15-18 September 2010, pp.403-410
summary This paper introduces a JAVA based library for parametric modeling through programming. From the recent advent of scripting tools integrated into commercial CAAD software and everyday design practice, the use of programming applied to an architectural design process becomes a necessary field of study. The ANAR+ library is a parametric geometry environment meant to be used as programming interface by designers. Form exploration strategies based on parametric variations depends on the internal logic description, a key role for form generation. In most commercial CAD software, geometric data structures are often predefined objects, thus constraining the form exploration, whereas digital architectural research and teaching are in need for an encompassing tool able to step beyond new software products limitations. We introduce key concepts of the library and show a use of the library within a form finding process driven by irradiance simulation.
wos WOS:000340629400043
keywords Processing; JAVA; Scene graph; Parametric modeling; Geometry
series eCAADe
email
last changed 2022/06/07 07:52

_id 2de7
authors Lachmi, K., Beatrice, B., Timerman, A. and Kalay, Y.E.
year 1997
title Semantically Rich Building Representation
doi https://doi.org/10.52842/conf.acadia.1997.207
source Design and Representation [ACADIA ‘97 Conference Proceedings / ISBN 1-880250-06-3] Cincinatti, Ohio (USA) 3-5 October 1997, pp. 207-227
summary At the core of any computational system that can support design development, analysis, and evaluation is a building representation which should be able to represent all the different components that make up a building, along with the manner in which they come together. In other words, the representation must be informationally complete and semantically rich. The paper discusses these two criteria in detail, and briefly reviews other research efforts aimed at developing building representations for CAAD that attempt to meet them. Our solution to this problem is then presented. It is aimed primarily at the schematic design phase, the rationale for which is also stated. Taking the view that buildings are unique assemblies of discrete, mostly standardized components, our representation is clearly divided into two components: the Object Database (ODB) which stores detailed information about various building elements, and the Project Database (PDB) which holds information about how these elements are assembled to make up a particular building. An ODB may be shared by many building projects, while the PDB must necessarily be unique to each. The data schemas of both the PDB and the ODB are described in detail and their computational implementation, to the extent that it has been completed, is illustrated.

series ACADIA
email
last changed 2022/06/07 07:52

_id ecaade2021_187
id ecaade2021_187
authors Lacroix, Igor, Furtado Lopes, Gonçalo and Sousa, José Pedro
year 2021
title Integrating Sociological Survey and Algorithmic Modelling for Low-Cost Housing
doi https://doi.org/10.52842/conf.ecaade.2021.1.445
source Stojakovic, V and Tepavcevic, B (eds.), Towards a new, configurable architecture - Proceedings of the 39th eCAADe Conference - Volume 1, University of Novi Sad, Novi Sad, Serbia, 8-10 September 2021, pp. 445-454
summary This paper presents a study developed in the scope of an ongoing research about the creation of an architectural design system of low-cost housing in Portugal's context. Its goal is to present the survey, analysis and digitization work of a research carried out in the 1960s by Portuguese architect Nuno Portas, with the help of architect Alexandre Alves Costa. The method was to convert mathematical information contained in Portas' and Alves Costa's report from Lisbon's National Laboratory of Civil Engineering (LNEC) into an algorithmic model with Rhinoceros® and Grasshopper® software. Besides revealing for the first time a comprehensive study of this pioneering work, this paper will set the foundations to propose the adaptation of its process into low-cost housing design. The result presented here is an algorithm for selecting the best architectural type from a database of housing floor plans, analyzed by a questionnaire regarding the inhabitants' needs and satisfactions.
keywords sociological survey; algorithmic modelling; low-cost housing; Nuno Portas; Alexandre Alves Costa
series eCAADe
email
last changed 2022/06/07 07:52

_id sigradi2018_1600
id sigradi2018_1600
authors Lacroix, Igor
year 2018
title Guerrilla urbanism and digital production: a study of temporary occupation of public spaces
source SIGraDi 2018 [Proceedings of the 22nd Conference of the Iberoamerican Society of Digital Graphics - ISSN: 2318-6968] Brazil, São Carlos 7 - 9 November 2018, pp. 1159-1166
summary The paper presents some of the spatial production involved in three events promoted by different organizations in the city of Brasilia, Brazil. The role of architecture was to materialize sensations, experiences and phenomena for the people who participated. This production defines a kind of urbanism produced by groups of people who are temporarily using public spaces of the city with creativity. Limited by minimum time and budgets, and located in a place where high technology is scarce, handcraft is a necessity in all production processes. The main intention is to analyze how the use of advanced technology corresponds to this type of situation.
keywords Parametric Design; Artistic Production; Ephemeral Architecture; Urban Intervention; Guerrilla Urbanism
series SIGRADI
email
last changed 2021/03/28 19:58

_id ijac202220407
id ijac202220407
authors Lacroix, Igor; Orkan Zeynel Güzelci; Gonçalo Furtado Lopes; José Pedro Sousa
year 2022
title Connecting the Portuguese system of evolutive housing with building information modeling: From analogical to digital methods
source International Journal of Architectural Computing 2022, Vol. 20 - no. 4, pp. 801–816
summary In Portugal, in the 1960s and 1970s, there was research concerning a system of the architectural design of housing for economically less favored populations, which related sociological information with analogical computational methods and culminated with its application in the Local Ambulatory Support Service (SAAL). This article presents the digitization process of these methods for the development of an architectural design system for social housing. The main goal is to improve methodological procedures for the original research and, specifically, to adapt them to computational design and modeling processes. To this end, this research transposed the aforementioned methodology into an algorithmic model that matches sociological information acquired from an online form with a database of social housing floor plan images to generate a building information modeling (BIM) directly from the selected image source. The result is an algorithmic model informed by sociological data linked with a BIM model to enable further rationalization of architectural design.
keywords evolutive housing, social housing, local ambulatory support service, sociological survey, algorithmic modeling, building information modeling
series journal
last changed 2024/04/17 14:30

_id sigradi2016_636
id sigradi2016_636
authors Lacroix, Igor; Paranhos, Paulo Henrique; Aviani, Francisco Leite; Silva, Neander Furtado
year 2016
title Estudo de detalhamento estrutural da Catedral de Palmas – TO, Brasil [Structural study of Palmas Cathedral, Brazil]
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.528-533
summary This article presents a study for the structure of Palmas Cathedral, designed by architect Paulo Henrique Paranhos. The goal is to gather a set of parametric modeling and rapid prototyping techniques, aiming the efficiency and automation of parts of the design and fabrication process for the steel truss that constitutes the coverage of the project in question. It discusses the expansion of the architect’s work field. Once the professional holds the application of advanced technologies focusing on construction and manufacturing, will be able to take responsibility for parts of the engineering design.
keywords Collaboration; Parametric design; Rapid prototyping; Structural design; Steel structure
series SIGRADI
email
last changed 2021/03/28 19:58

_id ecaade2010_090
id ecaade2010_090
authors Ladouce, Nicolas; Hee, Limin; Janssen, Patrick T.
year 2010
title Urban Space Planning for Sustainable High Density Environment
doi https://doi.org/10.52842/conf.ecaade.2010.777
source FUTURE CITIES [28th eCAADe Conference Proceedings / ISBN 978-0-9541183-9-6] ETH Zurich (Switzerland) 15-18 September 2010, pp.777-785
summary In this paper we investigate the possibilities of new typologies of urban public space for high density environments. The premise for the project would be that with new high-density typologies, it would be necessary to consider a difference in the nature of urban public spaces rather than a difference in degree from the status quo. From observations of urban patterns that drive collective, hybrid spaces around Asia, relationships between urban attributes are drawn. For this paper we shall focus on the particular case of Linked Hybrid, Beijing, China, as an elevated urban public space. A literature review focuses on reviewing key theories to construct and adopt a rating system to develop an empirical framework to evaluate the case studies and extract the key attributes. These rated attributes are then abstracted in a real-time model that enables user manipulation. The purpose is to create a tool to better observe the effects and evolution of planning decisions for future urban spaces in high density contexts. The preliminary results are consistent with the idea that selected spatial parameters of a space may be embedded into a “barcode” and referenced as a type. The combination of different types, hence their parameters may be used for effective replication of their characteristics to improve the decision-making process for urban designers. The research is not intended to reproduce the successful urban public spaces but rather result in a catalogue of typologies which can be referred to during the initial stages of planning to provide an indication of spatial qualities.
wos WOS:000340629400083
keywords High density environments; Collective urban space; Hybrid typologies; Parametric urbanism
series eCAADe
email
last changed 2022/06/07 07:52

_id caadria2019_221
id caadria2019_221
authors Ladron de Guevara, Manuel, Borunda, Luis, Ficca, Jeremy, Byrne, Daragh and Krishnamurti, Ramesh
year 2019
title Robotic Free-Oriented Additive Manufacturing Technique for Thermoplastic Lattice and Cellular Structures
doi https://doi.org/10.52842/conf.caadria.2019.2.333
source M. Haeusler, M. A. Schnabel, T. Fukuda (eds.), Intelligent & Informed - Proceedings of the 24th CAADRIA Conference - Volume 2, Victoria University of Wellington, Wellington, New Zealand, 15-18 April 2019, pp. 333-342
summary This paper presents a novel Additive Manufacturing application of situated Robotic Fused Deposition Modeling (RFDM) for thermoplastic cellular and lattice structures, called Free-Oriented Additive Manufacturing (FOAM), to accommodate variations in spatial conditions, deposition direction, and geometry in order to adapt to complex infrastructure settings, thus, breaking the conventional layer-by-layer stacking principle and the constant constraint of locking the tip of the nozzle to the negative Z direction when fabricating at an architectural scale.
keywords Robotic 3D Printing; Situated Fused Deposition; Thermoplastic Lattice Structures
series CAADRIA
email
last changed 2022/06/07 07:52

_id caadria2022_316
id caadria2022_316
authors Ladron de Guevara, Manuel, Schneidman, Alexander, Byrne, Daragh and Krishnamurti, Ramesh
year 2022
title Design Intents Disentanglement: A Multimodal Approach for Grounding Design Attributes in Objects
doi https://doi.org/10.52842/conf.caadria.2022.1.333
source Jeroen van Ameijde, Nicole Gardner, Kyung Hoon Hyun, Dan Luo, Urvi Sheth (eds.), POST-CARBON - Proceedings of the 27th CAADRIA Conference, Sydney, 9-15 April 2022, pp. 333-342
summary Language is ambiguous; many terms and expressions convey the same idea. This is especially true in design fields, where conceptual ideas are generally described by high-level, qualitative attributes, called design intents. Words such as "organic", sequences like "this chair is a mixture between Japanese aesthetics and Scandinavian design" or more complex structures such as "we made the furniture layering materials like a bird weaving its nest‚ represent design intents. Furthermore, most design intents do not have unique visual representations, and are highly entangled within the design artifact, leading to complex relationships between language and images. This paper examines an alternative design scenario based on everyday natural language used by designers, where inputs such as a minimal and sleek looking chair are visually inferred by algorithms that have previously learned complex associations between designs and intents‚vision and language, respectively. We propose a multimodal sequence-to-sequence model which takes in design images and their corresponding descriptions and outputs a probability distribution over regions of the images in which design attributes are grounded. Expectedly, our model can reason and ground objective descriptors such as black or curved. Surprisingly, our model can reason about and ground more complex subjective attributes such as rippled or free, suggesting potential regions where the design object might register such vague descriptions. Link to code: https://github.com/manuelladron/codedBert.git
keywords Natural Language Processing, Multimodal Machine Learning, Design Intents Disentanglement, SDG 9
series CAADRIA
email
last changed 2022/07/22 07:34

_id cf2019_015
id cf2019_015
authors Ladron de Guevara, Manuel; Luis Ricardo Borunda and Ramesh Krishnamurti
year 2019
title A Multi-Resolution Design Methodology Based on Discrete Models
source Ji-Hyun Lee (Eds.) "Hello, Culture!"  [18th International Conference, CAAD Futures 2019, Proceedings / ISBN 978-89-89453-05-5] Daejeon, Korea, p. 129
summary The use of programming languages in design opens up unexplored and previously unworkable territories, mainly, in conventional architectural practice. In the 1990s, languages of continuity, smoothness and seamlessness dominated the architectural inquiry with the CNC milling machine as its manufacturing tool. Today’s computational design and fabrication technology look at languages of synthesis of fragments or particles, with the 3D printer as its fabrication archetype. Fundamental to this idea is the concept of resolution– the amount of information stored at any localized region. Construction of a shape is then based on multiple regions of resolution. This paper explores a novel design methodology that takes this concept of resolutions on discrete elements as a design driver for architectural practice. This research has been tested primarily through additive manufacturing techniques.
keywords Multi-Resolution Design Methodology; Discrete-Based Computational Design; Resolutions; Additive Manufacturing
series CAAD Futures
email
last changed 2019/07/29 14:08

_id ijac202018301
id ijac202018301
authors Ladron de Guevara, Manuel; Luis Ricardo Borunda, Daragh Byrne, and Ramesh Krishnamurti
year 2020
title Multi-resolution in architecture as a design driver for additive manufacturing applications
source International Journal of Architectural Computing vol. 18 - no. 3, 218-234
summary Additive manufacturing is evolving toward more sophisticated territory for architects and designers, mainly through the increased use of scripting tools. Recognizing this, we present a design and fabrication pipeline comprised of a class of techniques for fabrication and methods of design through discrete computational models. These support a process responsive to varied design intents: this structured workflow expands the design and fabrication space of any input shape, without having to explicitly deal with the complexity of discrete models beforehand. We discuss a multi-resolution-based methodology that incorporates discrete computational methods, spatial additive manufacturing with both robotic and commercial three-dimensional printers, as well as, a free-oriented technique. Finally, we explore the impact of computational power on design outcome, examining in-depth the concept of resolution as a design driver.
keywords Multi-resolution, discrete models, customized fabrication, differentiated infills, design methodology
series journal
email
last changed 2020/11/02 13:34

_id ecaade2012_95
id ecaade2012_95
authors Ladurner, Georg; Gabler, Markus; Menges, Achim; Knippers, Jan
year 2012
title Interactive Form-Finding for Biomimetic Fibre Structures: Development of a Computational Design Tool and Physical Fabrication Technique Based on the Biological Structure of the Lichen
doi https://doi.org/10.52842/conf.ecaade.2012.2.519
source Achten, Henri; Pavlicek, Jiri; Hulin, Jaroslav; Matejovska, Dana (eds.), Digital Physicality - Proceedings of the 30th eCAADe Conference - Volume 2 / ISBN 978-9-4912070-3-7, Czech Technical University in Prague, Faculty of Architecture (Czech Republic) 12-14 September 2012, pp. 519-529
summary This contribution shows a biomimetic approach to design and produce fibrous structural elements derived from the morphology of the biologic archetype ‘the lichen’. The physical form fi nding strategy allows for a novel self-organised reinforcement for fibrous composite systems. A computational design tool has been developed, based on the fi ndings of various physical models. The digital device allows for shape control and therefore an interaction to and manipulation of the fabrication process. Since the form fi nding algorithms of the tool are based on physical experiments,every geometry is derived through the program and has its counterpart in production. For example: the fibre density in the model can be adjusted which leads to different geometries. In production the chosen denseness is utilised, thus, the production yields automatically to the desired load-optimized geometry found in the form-finding tool.
wos WOS:000330320600055
keywords Biomimetics; Form-finding; Self-organization; Emergence; Fibre structures
series eCAADe
email
last changed 2022/06/07 07:52

_id cf2005_1_92_179
id cf2005_1_92_179
authors LAEPPLE Eberhard, CLAYTON Mark and JOHNSON Robert
year 2005
title Case Studies of Web-Based Collaborative Design
source Computer Aided Architectural Design Futures 2005 [Proceedings of the 11th International Conference on Computer Aided Architectural Design Futures / ISBN 1-4020-3460-1] Vienna (Austria) 20–22 June 2005, pp. 455-464
summary Data collected from real-world projects using Web-based communications and project management systems provide quantitative evidence for characterizing the design process. Tens of thousands of records have been analyzed from six cases. The cases are all high-end office and retail building projects, with about 50 members of the design team. The data supports the distinction of multiple stages in the design process as the patterns of usage of the software changes through time. Coordination activities are more frequent in early stages, while collaboration activities are more common in late stages. In planning and design stages, use of the software is focused upon accessing static information, while in construction documentation a relatively greater number of activities include generate and process operations.
keywords collaboration, communications, design management, design process, software
series CAAD Futures
email
last changed 2006/11/07 07:27

_id c926
authors Laerdal, Arnbjørn O.
year 1992
title Architecture on Cards
doi https://doi.org/10.52842/conf.ecaade.1992.075
source CAAD Instruction: The New Teaching of an Architect? [eCAADe Conference Proceedings] Barcelona (Spain) 12-14 November 1992, pp. 75-84
summary The ArchiCards project (tentative name) is a prototype of a learning tool in architectural theory and history. It applies this novel technology to give a completely new approach to the acquisition of this kind of information. The aim is to give the user a summary along with an understanding of some of the relations in the world of architecture. Also, it has been an issue to unveil some of the possibilities this technology offers in the teaching of architecture.
series eCAADe
last changed 2022/06/07 07:52

_id sigradi2018_1510
id sigradi2018_1510
authors Lafluf Cuevas, Marcos; Barber Sarasola, Gabriela; García Amen, Fernando
year 2018
title Emerging ecosystems of information and city: Anglo digital repository
source SIGraDi 2018 [Proceedings of the 22nd Conference of the Iberoamerican Society of Digital Graphics - ISSN: 2318-6968] Brazil, São Carlos 7 - 9 November 2018, pp. 1023-1030
summary This paper focuses on the implementation of a digital repository and content management of the Museo de la Revolución Industrial, in Fray Bentos, as part of a project carried out in the context of the I+D project "La ciudad inteligente; un palimpsesto digital", currently under development in the Laboratory of Advanced Digital Visualization (Vidialab) of the Faculty of Architecture, Design and Urbanism (FADU). The project main theme is the emerging paradigm of Smart Cities with focus on the territory as an integral cultural landscape. The experience, implementation, processed involved and related topics, are described and analyzed theoretically, in the search of architectural and historical heritage dissemination.
keywords Heritage; Smart City; TIC; Digital repository; Dissemination of heritage; Free software
series SIGRADI
email
last changed 2021/03/28 19:58

_id 81bd
authors Lafue, G.M.E.
year 1979
title Integrating Language and Database for CAD Applications
source Computer Aided Design. IPC Business Press, May, 1979. vol. 11: pp.127-130. includes bibliography
summary This paper focuses on some issues related to the integration of database and programming language concepts and the usefulness of this integration for integrity maintenance. The first section explains why compilation should be independent of the database and presents some consequences of this independence. The second section shows how procedures become integrated parts of the database and serve to implement automatic maintenance of designer-defined integrity by being automatically invoked upon database operations. The third section develops a particular scheme for integrity maintenance with these procedures. Finally, in the fourth section, semantic-integrity is extended to system integrity and it is suggested that the scheme developed in the third section can apply to system integrity
keywords programming, languages, CAD, database
series CADline
last changed 2003/06/02 13:58

_id acadia15_149
id acadia15_149
authors Lagemann, Dennis
year 2015
title A Model to Space
doi https://doi.org/10.52842/conf.acadia.2015.149
source ACADIA 2105: Computational Ecologies: Design in the Anthropocene [Proceedings of the 35th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-53726-8] Cincinnati 19-25 October, 2015), pp. 149-159
summary Architects are used to work with models since the early beginnings of Renaissance. These models were made to conceive spatial objects before they become realized. Nowadays space seems to be outdated: There are information topologies, virtuality, and globalization. Our models are logistical rather than spatial and they become increasingly complicated. They put an emphasis on energy- or cost-efficiency rather than the vividness of a localized place. But as Architects we are supposed to be ‚masters of space’. And somehow it feels like we have lost our domain and degraded ourselves to attaching nice skins on increasingly optimized concrete- or steel-skeletons. In this sense it might be necessary to reconsider our mastership upon the articulation of space. One way to achieve this might be that computation could do more than just deliver increasingly intriguing geometries, instead it might offer us a look at the spaces conceivable but not yet imaginable: computed as information topologies and then rendered back into the geometrical framework of physical space. New media have entered our perception to a degree never imagined by future sciences of the past. So the question arises if space-time can still be considered as a single layer in actuality. As individualization takes command, being special becomes normality. In a quantized society, where many cultures coexist at the same places simultaneously, a new model to space must deal with the superposition of territories.
keywords Models, Computation, Digitization, Architectural History/Theory, Topology <=> Geometry, Active Space, Inversion, Interlaced Fields, Paradigm Shift
series ACADIA
type normal paper
email
last changed 2022/06/07 07:52

_id sigradi2010_423
id sigradi2010_423
authors Lages, de Andrade Isabela; dos Santos Cabral Filho José
year 2010
title Espacialização da informação via ambient display: aspectos técnicos e observações do uso de uma interface tangível [Information spatialization via ambient display: technical aspects and use observations of a tangible interface]
source SIGraDi 2010_Proceedings of the 14th Congress of the Iberoamerican Society of Digital Graphics, pp. Bogotá, Colombia, November 17-19, 2010, pp. 423-426
summary This article presents the description and evaluation of a tangible interface to facilitate a collaborative work process. It starts with the concept of ambient display, which refers to the presentation of information in space or in an object through subtle changes. After describing the developed interface, some observations from the operation of the device are presented. We conclude that ambient displays should not be used as replacements to conventional tools, but instead, as complementary elements, and that it is also important to ensure their application as a method to restore a lost balance between tangible predispositions and the center of attention.
keywords ambient display; tangible interface; interpersonal computer; physical computing; information spatialization
series SIGRADI
email
last changed 2016/03/10 09:54

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