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 caadria2016_000
id caadria2016_000
authors Chien, Sheng-Fen; Seungyeon Choo, Marc Aurel Schnabel, Walaiporn Nakapan, Mi Jeong Kim and Stanislav Roudavsk (Eds.)
year 2016
title Living Systems and Micro-Utopias: Towards Continuous Designing
source Proceedings of the 21st International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2016) / Melbourne 30 March–2 April 2016, 918 p.
summary Today, human activities constitute the primary environmental impact on the planet. In this context, commitments to sustainability, or minimization of damage, prove insufficient. To develop regenerative, futuring1 capabilities, architectural design needs to extend beyond the form and function of things in contained projects and engage with the management of complex systems. Such systems involve multiple types of dynamic phenomena – biotic and abiotic, technical and cultural – and can be understood as living. Engagement with such living systems implies manipulation of pervasive and unceasing change, irrespective of whether it is accepted by design stakeholders or actively managed towards homeostatic or homeorhetic conditions. Manipulation of continuity requires holistic and persistent design involvements. In other words, “designers should become the facilitators of flow, rather than the originators of maintainable ‘things’ such as discrete products or images.
series CAADRIA
last changed 2016/03/11 09:21

_id caadria2013_183
id caadria2013_183
authors Choo Thian Siong and Patrick Janssen
year 2013
title Semi-Transparent Building Integrated Photovoltaic Facades – Maximise Energy Savings Using Evolutionary Multi-Objective Optimisation
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. 127-136
wos WOS:000351496100013
summary The optimisation of semi-transparent building integrated photovoltaic facades can be challenging when finding an overall balanced performance between conflicting performance criteria. This paper proposes a design optimisation method that maximises overall energy savings generated by these types of facades by simulating the combined impact of electricity generation, cooling load, and daylight autonomy. A proof-of-concept demonstration of the proposed method is presented for a typical office facade.  
keywords Multi-objective optimisation, Semi-transparent building integrated photovoltaic 
series CAADRIA
last changed 2016/05/16 09:08

_id disschoo
id disschoo
authors Choo, Seung Yeon
year 2004
source Technische Universität München
summary The research presented in this thesis describes a computer-aided design support of traditional architectural theories. Traditional architectural theories in western architecture have been considered as a basis for answering the fundamental questions of architecture: proportion, symmetry, colour, harmony and so on. In particular, the aesthetic aspect of these theories has been one of many important architectural aspects, and which is concerned with the field of architecture in determining the beauty of architectural form. The most significant role of the traditional theories in architecture is to maintain unity, to avoid chaos and then to achieve harmony in a design, using some specific design principles. However, current technology-guided constructions tend to neglect often the importance of these theories due to the standardization of building elements, due to mechanically-prepared construction and the reducing completion costs, etc. Thus, this research proposes a design support system as a design assistant that gives an intelligent advice on architectural design, using analytical design- and ordering- principles of traditional theories for the optimization of the architectural design from the aesthetic perspective. To evaluate the aesthetic quality of an architectural design, this system is implemented in the AutoCAD environment, using the AutoLISP. It is applied so as to explain and develop aesthetic qualities of a design. Designs proposed by this system include optimum designs, which are based on the traditional architectural theories, and new ones which can be in future connected to information models. To do this, the definition of information about building elements is accomplished by using the neutral format EXPRESS and EXPRESS-G for such application systems. The results of the application system are presented, such as the easily generating and quickly conceptualising of an object model, the checking of the aesthetic value of the design during the various design phases, the helping to find direction during rational searching for a solution. The user can easily appreciate the usefulness of the proposed system as a set of tools for searching for rational architectural aesthetics and formal solutions at different design-stages. It is to be hoped that a new "traditional" fundamental of architecture, such as the proposed system, incorporating CAAD systems, will find its place among new technological methods in the AEC industry and so help to bridge the gap between the value of traditional architecture and CAAD systems.
keywords Aesthetics, Design Theory, Order Principle, Product Model, IFC, AutoCAD/AutoLISP
series thesis:PhD
type normal paper
last changed 2004/05/23 05:05

_id ecaade2009_002
id ecaade2009_002
authors Choo, Seung Yeon; Heo, Kyu Souk; Seo, Ji Hyo; Kang, Min Soo
year 2009
title Augmented Reality- Effective Assistance for Interior Design: Focus on Tangible AR Study
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. 649-656
wos WOS:000334282200078
summary This article presents an application of Augmented Reality technology for interior design. Plus, an Educational Interior Design Project is reviewed. Along with the dramatic progress of digital technology, virtual information techniques are also required for architectural projects. Thus, the new technology of Augmented Reality offers many advantages for digital design and construction fields. AR is also being considered as a new design approach for interior design. In an AR environment, virtual furniture can be displayed and modified in real-time on the screen, allowing the user to have an interactive experience with the virtual furniture in a real-world environment. Finally, this study proposes a new method for applying AR technology to interior design work, where a user can view virtual furniture and communicate with 3D virtual furniture data using a dynamic and flexible user interface. Plus, all the properties of the virtual furniture can be adjusted using occlusion based interaction methods for a Tangible Augmented Reality.
keywords Interior design, augmented reality, ARToolKit, tangible AR, interactive augmented reality
series eCAADe
last changed 2016/05/16 09:08

_id caadria2015_172
id caadria2015_172
authors Choo, Thian-Siong and Patrick Janssen
year 2015
title Performance-Based Parametric Design : A Framework for Building Envelope Design
source Emerging Experience in Past, Present and Future of Digital Architecture, Proceedings of the 20th International Conference of the Association for Computer-Aided Architectural Design Research in Asia (CAADRIA 2015) / Daegu 20-22 May 2015, pp. 603-612
summary Existing performance-based design exploration methods typically suffer from a lack of real-time feedback and a lack of actionable feedback. This paper proposes a hybrid design exploration method that overcomes these issues by combining parametric modelling, surrogate modelling, and evolutionary algorithms. The proposed method is structured as a mixed-initiative approach, in which parametric modelling is the key to creating a synergistic relationship between the architect and the computational system. Surrogate-based techniques will address the issue of real-time feedback, the evolutionary exploration techniques will address the issue of actionable feedback. As a first stage in developing the PEX method, this paper reports on two experiments conducted to identify an appropriate surrogate modelling technique that is efficient and robust.
keywords Performance-based design, parametric modelling, surrogate modelling, evolutionary algorithms
series CAADRIA
last changed 2015/06/05 05:14

_id ijac201412105
id ijac201412105
authors Choo, Thian-Siong; Patrick Janssen
year 2014
title Evolutionary Optimisation of Semitransparent Building Integrated Photovoltaic Facades
source International Journal of Architectural Computing vol. 12 - no. 1, 81-100
summary The optimisation of semi-transparent building integrated photovoltaic facades can be challenging when attempting to find an overall balance performance between conflicting performance criteria. This paper presents a three-phase design optimisation method that maximises overall electricity savings generated by these types of facades by simulating the combined impact of electricity generation, cooling load, and daylight autonomy. Two demonstrations are performed, with the difference being that the second demonstration uses an enhanced model for calculating daylight savings that takes into account the use of blinds to counteract glare. For both demonstrations, the three-phase optimisation method significantly reduces optimisation run times. Comparing the design variants evolved by the two demonstrations, the use of the enhanced daylight savings model results in a total electricity savings that is more accurate but in terms of visual differentiation, the difference between the optimized design variants is relatively small.
series journal
last changed 2019/05/24 07:55

_id caadria2010_034
id caadria2010_034
authors Chung, Daniel Hii Jun and Malone-Lee Lai Choo
year 2010
title Computational fluid dynamics for efficient urban design
source Proceedings of the 15th International Conference on Computer Aided Architectural Design Research in Asia / Hong Kong 7-10 April 2010, pp. 357-366
summary Computational fluid dynamics (CFD) is a method of solving and analysing problems that involved fluid flows. In the field of architecture, urban design and urban planning, CFD is useful for the analysis of ventilation and airflow in the built environment, especially in very dense cities. This paper will look into the possibility of making CFD more accessible to the general design and planning field. A simulation is done on a urban design proposal to quickly see how air flow behaves around it. From there, it looks into the future where technology will make CFD simulation more easily adopted and the possibilities of integrating the ventilation analysis with other environmental analysis results into the urban design arena.
keywords Computational fluid dynamics; sustainability; high density; urban design; airflow
series CAADRIA
last changed 2012/05/30 19:29

_id cf2011_p049
id cf2011_p049
authors Hii Jun Chung, Daniel; Chye Kiang Heng, Lai Choo Malone Lee, Ji Zhang
year 2011
title Analyzing the Ventilation Performance of Tropical High Density Residential Precincts using Computational Fluid Dynamics
source Computer Aided Architectural Design Futures 2011 [Proceedings of the 14th International Conference on Computer Aided Architectural Design Futures / ISBN 9782874561429] Liege (Belgium) 4-8 July 2011, pp. 351-366.
summary Major cities in the world are getting bigger as they continue to grow to cater for more population increase. These cities normally forced the urban planning to go high density. In the tropical context, high density cities like Singapore and Hong Kong do not have the luxury of space to go low rise and compact. These cities have to build to the floor area ratio of 4 and above to cater for the population. Their only solution is to go up, as high as possible, to the extent that the natural wind flow pattern will be altered, which brings environmental impact to the people. This is generally not good since wind flow helps to maintain the thermal comfort of the people as heat and pollutants are being channeled out of the city to avoid Urban Heat Island effect. In the tropical context, wind flow is crucial to maintain people’s comfort as the temperature is generally very high from the exposure of the sun for the entire year. Studies have shown that wind flow plays the most significant part in maintaining human comfort despite exposing to direct sunlight in the tropics. Therefore, wind flow analysis is extremely crucial to make the design sustainable and energy efficient, as people will not have to depend on mechanical ventilation to compensate for the lack of wind flow. Computational Fluid Dynamics (CFD) has always been used in the field of architecture, urban design and urban planning to understand the patterns of wind flow through the built environment apart from wind tunnel tests. The availability of more powerful hardware for the mainstream computer users as well as the lowering costs of these computers made CFD more possible to be adopted in the design world today. This also means using CFD in the design process, especially to analyze the impact of the design to the current site conditions and annual wind patterns will help the new design to be more responsive to the site. The interest of this paper is to analyze the high density typologies to see how well they respond to the local wind flow pattern. A typology is considered acceptable when the wind flow going through the site is still maintaining acceptable wind speed. This means it does not block off the wind and create stagnant spaces. Different designs generate different typologies which will respond differently to the wind pattern. The study aims at comparing the local high density typologies in terms of their response to the wind. Changes to a typology can be explored too to see if the performance will be different. For a typology which is considered a total failure in terms of response to wind, it may improve its performance if the orientation is altered. The CFD software can also parametrically respond to the changes of the typologies’ dimensions. This is helpful to see how much more a typology can still be performing well before failure by increasing the floor area index. The easiest way to do this is to pump up the building height. In conclusion, designing in response to wind is extremely important as it is more sustainable and responsive to Urban Heat Island effect. A design which responds well to the wind patterns will help save cost of cooling load and fan expenditure. The people will also be more willing to use the outdoor spaces which will as a whole generate more vibrant city spaces. As a result, a high density city with huge population count can still enjoy good thermal comfort if the general urban planning and design respond well to wind.
keywords computational fluid dynamics, sustainability, high density, urban design, airflow, ventilation
series CAAD Futures
last changed 2012/02/11 18:21

_id caadria2019_404
id caadria2019_404
authors Hyejin, Park, Hyeongmo, Gu, Woojun, Lee, Inhan, Kim and Seungyeon, Choo
year 2019
title A Development of KBIMS-based Building Design Quality Evaluation and Performance Review Interface
source M. Haeusler, M. A. Schnabel, T. Fukuda (eds.), Intelligent & Informed - Proceedings of the 24th CAADRIA Conference - Volume 1, Victoria University of Wellington, Wellington, New Zealand, 15-18 April 2019, pp. 747-756
summary Recently, The South Korean national government and local governments in Korea are pursuing national R & D tasks that can be used in the design stage to expand the BIM technology to the public environment of the future city, such as the construction of the IT integrated architecture design environment and the convenient construction administrative system environment. Among these R & D researches, various studies are continuing to provide more convenient and accurate architectural services at the licensing stage in order to promote the introduction and practical use of BIM in the Korean construction industry. Typical examples are BIM-based building design quality evaluation and building performance review technology development. Therefore, the goal of this study is to introduce the case of developing the performance review interface according to the regulation and required performance criterion of BIM model using KBIMS and analyze the possibility of evaluating building design quality by applying this to a practical project.
keywords OpenBIM; Design Automation; Performance Review; Design Quality; Legal Review
series CAADRIA
last changed 2019/04/16 08:25

_id ijac20109103
id ijac20109103
authors Jun Chung, Daniel Hii; Malone-Lee Lai Choo
year 2011
title Computational Fluid Dynamics for Urban Design: The Prospects for Greater Integration
source International Journal of Architectural Computing vol. 9 - no. 1, 33-54
summary Computational Fluid Dynamics (CFD) has always been used in the field of architecture, urban design and urban planning to understand the patterns of wind flow through the built environment. Its analysis is important to evaluate whether the natural ventilation through a site is adequate to mitigate heat and pollutant to achieve better human comfort in dense urban environments. However, given the complex operational requirements, the response to wind flow is not always done early enough to support planning and design. This paper seeks to illustrate how CFD analysis can aid planning and design of urban areas and investigates the workflow requirements, in the hope of making the CFD simulations more accessible to the practices and contribute to design decisions. It also looks at the present technological advancements and future prospects to assess the scenarios where emerging technologies can make CFD simulation more readily available with affordable and even mobile hardware installations.
series journal
last changed 2019/05/24 07:55

_id cf2017_349
id cf2017_349
authors Kim, Eonyong; Kim, Kibum; Choo, Seungyeon; Ryu, Jikeun
year 2017
title Rule-based Security Planning System for Practical Application
source Gülen Çagdas, Mine Özkar, Leman F. Gül and Ethem Gürer (Eds.) Future Trajectories of Computation in Design [17th International Conference, CAAD Futures 2017, Proceedings / ISBN 978-975-561-482-3] Istanbul, Turkey, July 12-14, 2017, pp. 349-359.
summary Security planning is a vital part of the operation and management phase in a building’s life cycle. Ideally, this will be addressed during the building design phase. However, reality often differs from this ideal. In the real world, information such as floor plans tend to insufficiently describe or imperfectly match physical buildings, and must be surveyed and re-worked during security planning. Because of this, security companies require two kinds of staff: those in the security business and those in charge of planning, including floor plan verification. This research focused on creating an efficient way to help staff in this work environment develop a system of security planning for buildings and facilities using a rule-based approach in a tailormade CAD system. In this research, we developed a new 3D CAD system for desktops and mobile devices, which specializes in security planning using a game-engine. To avoid errors during security planning, a rule-based check system was developed and integrated into the CAD system. The rule-set of this rule base was built from the security planning manual, including guidelines on equipment layout and wiring in various situations, which could then be used in the development of an automated check. This research describes the method of system development and final results.
keywords Security Planning, Operation and Management, Rule Base, BIM, CAD
series CAAD Futures
last changed 2017/12/01 13:38

_id ecaade2010_089
id ecaade2010_089
authors Lee, Sang Bok; Ryu, Jung Rim; Choo, Seung Yeon; Woo, Seung Hak; Seo, Ji Hyo; Jo, Jin Sung
year 2010
title A Study on Viewshed Frequency Analysis for Establishing Viewpoints
source FUTURE CITIES [28th eCAADe Conference Proceedings / ISBN 978-0-9541183-9-6] ETH Zurich (Switzerland) 15-18 September 2010, pp.615-622
wos WOS:000340629400066
summary This research suggest the viewshed frequency concept to improve the limit of viewshed analysis and realized it through the programming. Viewshed frequency analysis presents arithmetic operation for several results of multilayered observation points, and designed for not only one building but also large scale of research sites. The results of research were as followed : (1) Viewshed frequency analysis makes possible multi viewpoints stereoscopic analysis and showed more improved results. (2) Viewshed frequency analysis has no limits of the scale of research sites by multi-layered grid observation points method. (3) Viewshed frequency analysis has more elaborate result with DEM which has building height and NDVI(Normalized Difference Vegetation Index).
keywords Viewshed; Viewshed frequency analysis; Viewpoint; LCP; Urbanscape; GIS
series eCAADe
last changed 2016/05/16 09:08

_id ecaade2011_068
id ecaade2011_068
authors Ma, Jin Yul; Choo, Seung Yeon; Seo, Ji Hyo; Jeong, Seung Woo
year 2011
title A Study on BIM based Energy Efficient Design Improvement for Rural Standard Drawing and Specification in South Korea: Focusing on Using Buffer-Zone
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.430-438
wos WOS:000335665500049
summary Throughout the world, global warming has been considered a severe problem, which has led to efforts being made for technical development to reduce greenhouse gases in the building sector. As more attention has been paid to energy consumption by residential housing in the building sector, policies and studies on domestic dwellings tend to focus on quality improvement and energy-efficient housing development rather than quantitative housing supply. Yet, policies and guidelines considering residential energy efficiency are inclined to focus on performance and lack in integrated consideration in connection with design. Hence, it seems necessary to compare and analyze design and energy efficiency and to study correlations between housing design and energy. Lately, BIM technology has been used in buildings domestically and proved reliable in respect of its features that enable overall comparison and prediction of housing design, performance and efficiency. The present study is to use the BIM technology to analyze energy consumption and the standard drawing schemes for rural areas to find ways to improve efficient design in singles housing sector and to suggest how to take advantage of buffer zones and how to improve housing design in favor of energy efficiency.
keywords BIM; Energy Analysis Tool; Rural Standard Drawing; Buffer-Zone; Sustainable design
series eCAADe
last changed 2016/05/16 09:08

_id caadria2017_017
id caadria2017_017
authors Park, Hyejin, Lee, Seunghyun, Kim, Eonyong and Choo, Seungyeon
year 2017
title A Proposal for Building Safety Diagnosis Processes using BIM-based Reverse Engineering Technology
source P. Janssen, P. Loh, A. Raonic, M. A. Schnabel (eds.), Protocols, Flows, and Glitches - Proceedings of the 22nd CAADRIA Conference, Xi'an Jiaotong-Liverpool University, Suzhou, China, 5-8 April 2017, pp. 673-682
summary Recently, the aging of buildings is accelerating around the world. In line with this, architectural structures constructed long time ago require life extension and ongoing management and protection for improvement, because they are too deteriorated. In particular, since structural safety inspection and analysis in building is very important, 'DFS (Design For Safety)'system has been introduced and conducted at the national level in Korea for the whole building life cycle management system encompassing the entire design, work commencement, construction, and completion stages. However, we do not have a system ranging from repair and reinforcement work plans in doing safety design, structural inspection and analysis to ongoing safety inspection. Therefore, it is necessary to establish a system to produce and share integrated information and conduct a research to manage architectural structure across the whole life cycle. Accordingly, this study aims to propose BIM-based reverse engineering technology for generating a safety management model based on laser scanner, verify the investigation items to be utilized of the design when building safety, and seek ways to utilize them for safety design.
keywords BIM; reverse engineering; building safety diagnosis; laser scanning; design for safety
series CAADRIA
last changed 2017/05/09 08:05

_id ijac20108101
id ijac20108101
authors Phan, Viet Toan; Seung Yeon Choo
year 2010
title Augmented Reality-Based Education and Fire Protection for Traditional Korean Buildings
source International Journal of Architectural Computing vol. 8 - no. 1, 75-91
summary This study examines an application of Augmented Reality technology (AR) for Korean Cultural Traditional Buildings, specifically, the Namdaemun Gate, "National Treasure No 1" of the Republic of Korea. Unfortunately, in February 2008, the Namdaemun Gate burned down, despite the efforts of many firemen, as the main difficulty was getting the fire under control without any structural knowledge of the wooden building. Hence, with the great advances in digital technology, an application of virtual technical information to traditional buildings is needed, and the new technology of AR offers many such advantages for digital architectural design and construction fields. While AR is already being considered as new design approach for architecture, outdoor AR is another practical application that can take advantage of new wearable computer equipment (Head-mounted display also know as HMD, position and orientation sensors, and mobile computing) to superimpose virtual graphics of traditional buildings (in this case, Namdaemun Gate) in a real outdoor scene. Plus, outdoor AR also allows the user to move freely around and inside a 3D virtual construction, thereby offering important training opportunities, for example, specific structural information in the case of firemen and mission planning in the case of a real-life emergency. In this example, the proposed outdoor AR system is expected to provide important educational information on traditional wooden building for architects, archaeologists, and engineers, while also assisting firemen to protect such special buildings.
series journal
last changed 2019/05/24 07:55

_id ecaade2011_079
id ecaade2011_079
authors Ryu, Han Soo; Lee, Kwon Hyoung; Ryu, Jung Rim; Choo, Seung Yeon
year 2011
title Development of optimized geometry for low energy super tall office with BIM: Decision on ratio of lateral to longitudinal length and orientation in early design stage
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.811-818
wos WOS:000335665500093
summary There are many researches to make low energy demanding building. Lots of them focus on facility systems and insulation performance of building materials. However, not only systematic solutions but also design solution can reduce building energy consumption. This study focuses on development of optimized geometry for super tall office building in Seoul, Korea. Specifically, ratio of lateral to longitudinal length and building orientation are main topics of this study because these are the most primitive and preceding factors deciding mass design. To analyze the energy efficiency of masses, energy simulation is necessary at the initial design stages. In this study, BIM and BIM based energy simulation tools are arranged to compare the alternatives.
keywords BIM; energy simulation; ratio of lateral to longitudinal length; orientation; super tall office building
series eCAADe
last changed 2016/05/16 09:08

_id ecaade2012_128
id ecaade2012_128
authors Ryu, Jung Rim; Kim, Seung Bae; Kim, Jun Gyu; Lee, Sang Bok; Choo, Seung Yeon
year 2012
title Everyone has Idea, Everyone Can Be Architect: Our First Step for Finding a Good Architecture
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. 667-676
wos WOS:000330320600072
summary It is an immutable truth that architecture ultimately exists for humans. Similarly, it is a well-known fact that countless architectural concepts derived and evolved to restrain development, to control building projects and to consider environment are eventually for the benefit of humans. Architecture today, however, is in the hands of a few renowned architects even though it is supposed to refl ect human beings and times and to work for everyone. Is it too much to say that everyone should have a say in the space used by many? In that respect, we have devised DADL System. Anyone, Anytime, Anywhere. The system is an architectural game that stimulates human instincts, has online communities and is easily accessible by Anyone Anytime and Anywhere (3A Rules). DADL System aims to gather users’ ideas and develop architecture, which is essentially enabled by the ‘Advise’ feature. Advise is designed to lead users to think about architecture voluntarily and to guide them to express their ideas. The structure and contents of Advises are very important factors in DADL System. Also, it is divided into two domains, i.e. Web and Mobile, where data exchange is enabled via cloud computing, establishing a base in compliance with the ‘3A’ Rules. The DADL System supports the architecture of everyone without relying on opinions of a few, so as to open the infi nitive potential for communication between architecture and humans, which today’s architecture should advocate.
keywords Digital Architecture; Design Creativity; Social Network Service; Web-based Design; Communication
series eCAADe
last changed 2014/04/14 11:07

_id caadria2015_119
id caadria2015_119
authors Ryu, Jungrim and Seungyeon Choo
year 2015
title A Development Direction of a New Archi-Urban Integration Model for Utilizing Spatial Information
source Emerging Experience in Past, Present and Future of Digital Architecture, Proceedings of the 20th International Conference of the Association for Computer-Aided Architectural Design Research in Asia (CAADRIA 2015) / Daegu 20-22 May 2015, pp. 795-805
summary For efficient interoperability of information between IFC (a standard open BIM model) and CityGML(a standard model in GIS), the information system is comparatively analysed through IFC, CityGML and LandXML. A direction for developing object-oriented AUIM (Archi-Urban Integration Model) for analysis and maintenance of spatial information is proposed. In this study, LOD for AUIM-based interior spatial information is presented. At the same time, strategies for BIM-GIS convergence are sought.
keywords Spatial Information, Interoperability, Spatial Data Model Standards, BIM/GIS, Info-Convergence.
series CAADRIA
last changed 2015/06/05 05:14

_id caadria2016_497
id caadria2016_497
authors Ryu, Jungrim; Jaehong Jun, Seunghyeon Lee and Seungyeon Choo
year 2016
title A Study on Development of the IFC-based Indoor Spatial Information for Data Visualisation
source Living Systems and Micro-Utopias: Towards Continuous Designing, Proceedings of the 21st International Conference on Computer-Aided Architectural Design Research in Asia (CAADRIA 2016) / Melbourne 30 March–2 April 2016, pp. 497-506
summary MOLIT authorised Indoor Spatial Information as Basic spa- tial information in 2013. It became a legal evidence for constructing and managing Indoor Spatial Information. Although it has a little ad- vantage to utilise as service level that Indoor Spatial Information by laser scan or measurement, it has a lot of problems such as consuming many resources, requiring additional progresses for inputting Object Information. In conclusion, it is inefficient to utilise for the mainte- nance and domestic AEC/FM field. The purposes of this study is to output Indoor Spatial Information by operating IFC model which based on open BIM and to improve availability of Indoor Spatial In- formation with data visualisation. The open-sources of IFC Exporter, an inner program of Revit, is used to output Indoor Spatial Infor- mation. Directs 3D Library is also operated to visualise Indoor Spatial Information. It is possible to inter-operate between XML format and the objects of Indoor Spatial Information. It can be utilised in various field as well. For example COBie linkage in facility management, construction of geo-database using air-photogrammetry of UA V , the simulation of large-scale military operations and the simulation of large-scale evacuation. The method that is purposed in this study has outstanding advantages such as conformance with national spatial in- formation policy, high level of interoperability as indoor spatial in- formation objects based on IFC, convenience of editing information, light level of data and simplifying progress of producing information.
keywords Indoor spatial information, data visualisation, open BIM, IFC
series CAADRIA
last changed 2016/03/11 09:21

_id caadria2005_a_1a_d
id caadria2005_a_1a_d
authors Seung Yeon Choo, Stefan Hoff, Rye-Hwa Jung
year 2005
title A Design Checking Tool Based on Aesthetic Properties from Design Theories of Architecture: Focused on Musical Harmony in Architecture
source CAADRIA 2005 [Proceedings of the 10th International Conference on Computer Aided Architectural Design Research in Asia / ISBN 89-7141-648-3] New Delhi (India) 28-30 April 2005, vol. 1, pp. 33-44
summary This paper proposes a way how a semantic aesthetic property from architectural theories in the Western world can be integrated into a computer-aided architectural design (CAAD) system. It starts from the premise that computer-aided design tools are mostly aimed at serving as drawing tools which are used only after a design formal solution has already been established by the architect. To support an early design solution in a computer-based environment, a design checking tool was developed and tested in a real building project. This tool gives various design alternatives from the early design phase to the final stage of design details, according to musical harmony. Finally, this paper shows that an aesthetic property from architectural theories can be calculated with the aid of a computerbased design tool, and the used tool played its role as a design assistant in supporting the architectural design.
series CAADRIA
last changed 2005/04/30 01:30

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