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 11 of 11

_id caadria2015_170
id caadria2015_170
authors Chen, Yu Chen and Chao-Ming Wang
year 2015
title The Research of Human-Computer Interaction by Combining Affective Computing into Chinese Calligraphy Art
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. 55-64
summary Calligraphy is one of the important cultures in Chinese world. The rich strokes, structures and forms make the Chinese calligraphy an art. As the writing script is closely correlated to the emotions of the writer, a lot of scholars explore the correlation between the Chinese calligraphy lines and affect from the perspectives of psychology and art. In this study, it introduces the affective-computing technology and combines the digital media from the perspective of Chinese calligraphy and emotions, to develop an interactive calligraphy-art device. It re-interprets the Chinese calligraphy art with the digital tool and installs the pulse sensor and pressure sensor in the Chinese pen brush, so as to detect the user’s pulse and writing power. Moreover, it converts the physiological signals into affect and provides visual feedback in real time, which includes the changes and motions of the Chinese calligraphy lines. The study proposes contacting the traditional Chinese calligraphy with a new human-computer interaction mode. With the visual feedback effect during the interaction, it allows the user to know the close correlation between the Chinese calligraphy and the emotions. Through the work, the Chinese calligraphy art can be carried forward.
keywords Chinese Calligraphy Art; Human-Computer Interaction; Affective Computing.
series CAADRIA
email wangcm@yuntech.edu.tw
last changed 2015/06/05 05:14

_id cf2011_p003
id cf2011_p003
authors Ng, Edward; Ren Chao
year 2011
title Sustainable Planning with a Synergetic Collation of Thermal and Dynamic Characteristics of Urban Climate using Map Based Computational Tools
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. 367-382.
summary Since 2006, half of the world’s population lives in cities. In the age of climate change, designing for quality environmental living conditions and sustainability is a topical concern. However, on the one hand, designers and city planners operate with their three dimensional city morphological data such as building shapes and volumes, forms and their spacings, and functional attributes and definition signatures. On the other hand, urban climatologists operate with their numbers and equations, quantities and signals, and normals and anomalies. Traditionally the two camps do not meet. It is a challenge to develop design tools that they can work together. Map based information system based on computational geographic information system (GIS) that is properly structured and represented offers a common language, so to speak, for the two professional groups to work together. Urban climatic map is a spatial and graphical tool with information embedded in defined layers that are collated so that planners and urban climatologists can dialogue over design issues. With various planning and meteorological data coded in defined grid resolutions onto the GIS map system, data can be synergized and collated for various understandings. This papers explains the formulation of Hong Kong’s GIS based Urban Climatic Map as an example of how the map works in practice. Using the map, zonal and district based planning decisions can be made by planners and urban climatologists that lead to new designs and policy changes.
keywords sustainable development, urban planning, urban thermal, urban dynamics, computer tools
series CAAD Futures
email edwardng@cuhk.edu.hk
last changed 2012/02/11 18:21

_id caadria2018_101
id caadria2018_101
authors Tablada, Abel, Chaplin, Ian, Huang, Huajing, Lau, Siu-Kit, Yuan, Chao and Lau, Stephen Siu-Yu
year 2018
title Simulation Algorithm for the Integration of Solar and Farming Systems on Tropical Façades
source T. Fukuda, W. Huang, P. Janssen, K. Crolla, S. Alhadidi (eds.), Learning, Adapting and Prototyping - Proceedings of the 23rd CAADRIA Conference - Volume 2, Tsinghua University, Beijing, China, 17-19 May 2018, pp. 123-132
summary The study focuses on the creation of an algorithm in Grasshopper using Ladybug and Honeybee plugins to simulate a large number of façade design variants with the integration of photovoltaic (PV) panels as shading devices and farming systems. The algorithm aims to facilitate such simulations in a semi-automated way complying with standard practise in a relative short time. Simulation results are then extracted and assessed using an analytical optimization method.
keywords Key words: grasshopper; ladybug; honeybee; BIPV; vertical farming; productive facades
series CAADRIA
email abel@nus.edu.sg
last changed 2018/05/17 07:08

_id 63ad
authors Wang, Chao-Jen
year 1999
title Architectural Design Thinking in Virtual Reality
source CAADRIA '99 [Proceedings of The Fourth Conference on Computer Aided Architectural Design Research in Asia / ISBN 7-5439-1233-3] Shanghai (China) 5-7 May 1999, pp. 71-80
summary Throughout the history of the development of architectural design, from the use of planar representations to three-dimensional media using prespective and physical models, up to the present application of computer drafting, computer modeling, animation and other new design media, drawing has traditionally been used by designers to carry out the most basic design reasoning. Through discussion by Bridges and Charitos (1997, pp. 143), virtual reality (VR) has become a new design medium used by designers. Given that different media lead to different phenomena in design reasoning (Mitchell, 1990), this paper probes into differences in the attributes of design reasoning derived from traditional drawing and those observed when virtual reality is used to perform design tasks.
series CAADRIA
email jerryjan@iaa.nctu.edu.tw
last changed 2000/01/13 10:09

_id ddss9502
id ddss9502
authors Wang, Ming-Hung and Chao, Hua-Yu
year 1994
title Spatial Schemata and Design Competence: A Case of Beginning Designers
source Second Design and Decision Support Systems in Architecture & Urban Planning (Vaals, the Netherlands), August 15-19, 1994
summary In the course of learning professional skills in architectural design, students will develop, usually with the help of instructors, certain ways of analyzing spatial relations. Such spatial schemes are considered critical means to the comprehension of the graphical representations of spaces, and therefore schemes of different kind will have different effects on design performance. This study intends to explore this issue. Three sets of experiments are conducted to test our working hypotheses as stated as follows: (i) to reproduce a plane graphic requires knowledge and skills different from those to recognize; (ii) some schemes are more effective than others in reproducing plane graphics; (iii) the kind of schemes that can effectively reproducing given forms (in plane graphics) can also have positive effects on design capabilities. It is interesting to further differenti-ate the kinds of schemes and their power as design tools. All these experiments employ three kinds of spatial schemes: the categorical, the referential, and the hierarchical from the results we can reach the following conclusions: (i) reconstruction is a different mental activity from recognition which is mainly a comparison between the input data and the known characteristics reconstruction relies more on the structured relations among data that should be established in the course of recognition. Therefore, effective cognition is a part of design competence; (ii) categori-cal schema is found most effective in recognition test. The quality of this type has to do with the quality of its contents. Referential schema can effectively relate elements to one another and to the context in which they are located. This schema contributes to the quality of spatial compositions. Hierarchical schemata are more general that can help identify dependent relations among elements, and therefore reduce the complexity. Conceivably this can increase the efficiency of problem-solving in design.
series DDSS
last changed 2003/08/07 14:36

_id caadria2018_316
id caadria2018_316
authors Yan, Chao, Zhang, Yunyu, Yuan, Philip F. and Yao, Jiawei
year 2018
title Virtual Motion - Shifting Perspective as an Instrument for Geometrical Construction
source T. Fukuda, W. Huang, P. Janssen, K. Crolla, S. Alhadidi (eds.), Learning, Adapting and Prototyping - Proceedings of the 23rd CAADRIA Conference - Volume 2, Tsinghua University, Beijing, China, 17-19 May 2018, pp. 471-480
summary From the invention of projection to the emergence of digital technology, there's a clear correspondences among the transformations of visual representation paradigm in art, the developments of design instrument in architecture, and the human perception of time/space. Base on the examination of this particular historical trajectory, this paper focuses the working mechanism of shifting perspective as an alternative design instrument to explore the possibility of embedding time and motion into static form in digital age. Firstly, the paper reviews how the shifting perspective was introduced to represent space in modern western painting and photography. Then based on the research on shifting perspective, the paper develops a design tool, which would be able to translate motion into the particular geometrical feature of a generated 3D object. In the end, the paper brings further discussions about the formal and spatial effects brought by this new tool, and its potential to incorporate the perceptive image of human being into design process.
keywords Shape Study; Projective Geometry; Shifting Perspective; Motion; Time Dimension
series CAADRIA
email yanchao@tongji.edu.cn
last changed 2018/05/17 07:08

_id caadria2018_132
id caadria2018_132
authors Yan, Chao
year 2018
title "Real Virtuality" in the Process of Digitally Embedded Perception
source T. Fukuda, W. Huang, P. Janssen, K. Crolla, S. Alhadidi (eds.), Learning, Adapting and Prototyping - Proceedings of the 23rd CAADRIA Conference - Volume 1, Tsinghua University, Beijing, China, 17-19 May 2018, pp. 91-100
summary The "digital turn" in architecture is ontologically drawn from Deleuzian philosophy, particularly the thinking defined by Manuel Delanda as real virtuality. This philosophical thinking reflects the essential paradigm of digital design-a generative process driven by intensive difference to approach the singularity of form in a space of possibilities. However, no matter how dynamic the design process is in digital software, the construction result of a building is unavoidably static and permanent. Thus, the essence of digital design will always be misaligned with the material reality of its production. Addressing on this confliction, the research is trying to rethink the philosophical term "real virtuality" in the process of human perception. By examining different theories about the anti-static condition of perception, it forms a novel perspective to address the dynamic relationship between building form, virtual "information" and human perception, and extends the productivity of "becoming" from digital design process to the process of building colonization.
keywords Digital Design Theory; Real Virtuality; New Materialism; Perception; Visual Uncertainty
series CAADRIA
email yanchao@tongji.edu.cn
last changed 2018/05/17 07:07

_id cf2017_259
id cf2017_259
authors Yan, Chao; Yuan, Philip F.
year 2017
title Spherical Perspective: Notational Drawing System for non-Euclidean Geometry
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. 259-275.
summary As a traditional design media, drawing usually has limitations in dealing with non-Euclidean geometrical problem, and therefore is highly challenged by the digital tools in contemporary architecture. This paper offers an explanation of the working mechanism of spherical perspective, an alternative projection instrument, to explore the potential of drawing in digital design scenario. Firstly, the paper reviews how architects notated nonorthogonal geometry by introducing perspective projection into the drawing system of Stereotomy in history. Then based on the conclusion from historical research, the paper develops a design tool, which would be able to translate geometry from orthogonal projection system to spherical one to generate non-Euclidean form. In the end, the paper brings further discussions about the formal and spatial effects brought by this new tool, and its potential and difficulty to be developed into professional design and representation media for architectural practice.
keywords Form Study, Spherical Perspective, Projective Geometry, Non-Euclidean Geometry, Notational Drawing
series CAAD Futures
email yanchao@tongji.edu.cn, philipyuan007@tongji.edu.cn
last changed 2017/12/01 13:38

_id caadria2018_209
id caadria2018_209
authors Yao, Jiawei, Lin, Yuqiong, Zhao, Yao, Yan, Chao, Li, Changlin and Yuan, Philip F.
year 2018
title Augmented Reality Technology based Wind Environment Visualization
source T. Fukuda, W. Huang, P. Janssen, K. Crolla, S. Alhadidi (eds.), Learning, Adapting and Prototyping - Proceedings of the 23rd CAADRIA Conference - Volume 1, Tsinghua University, Beijing, China, 17-19 May 2018, pp. 369-377
summary Considering the outdoor environment at the initial stage of design process plays a significant role on future building performance. Augmented Reality (AR) technology applied in this research can integrate real world building morphology information and virtual world ventilation information seamlessly that rapidly and directly provides designers information for observation and evaluation. During the case study of "2017 Shanghai DigitalFUTURE" summer workshop, a research on augmented reality technology based wind environment visualization was carried on. The achievement with an application software not only showed the geometric information of the real world objects (such as buildings), but also the virtual wind environment has displayed. Thus, these two kinds of information can complement and superimpose each other. This AR technology based software brings multiple synthetic together, which can (1) visualize the air flow around buildings that provides designers rapid and direct information for evaluation; (2) deal with wind-environment-related data quantitatively and present in an intuitive, easy-to-interpret graphical way; and (3) be further developed as a visualization system based on built-in environments in the future, which contributes to rapid evaluation of a series of programs at the beginning of the building design.
keywords Environment visualization; Augmented reality technology; Fast response; Outdoor ventilation
series CAADRIA
email philipyuan007@tongji.edu.cn
last changed 2018/05/17 07:08

_id acadia16_196
id acadia16_196
authors Yuan, Philip F.; Chai, Hua; Yan, Chao; Zhou, Jin Jiang
year 2016
title Robotic Fabrication of Structural Performance-based Timber Gridshell in Large-Scale Building Scenario
source ACADIA // 2016: POSTHUMAN FRONTIERS: Data, Designers, and Cognitive Machines [Proceedings of the 36th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-77095-5] Ann Arbor 27-29 October, 2016, pp 196-205
summary This paper investigates the potential of a digital geometry system to integrate structural performance-based design and robotic fabrication in the scenario of building a large-scale non-uniform timber shell. It argues that a synthesis of multi-objective optimization, design and construction phases is required in the realization of timber shell construction in architecture practice in order to fulfill the demands of building regulation. Confronting the structural challenge of the non-uniform shell, a digital geometry system correlates all the three phases by translating geometrical information between them. First, a series of structural simulations and experimentations with different objectives are executed to inform the particular shape and tectonic details of each shell component based on its local condition in the geometrical system. Then, controlled by the geometrical system, a hybrid process of different digital fabrication technologies, including a customized robotic timber mill, is established to enable the manufacture of the heterogeneous shell components. Ultimately, the Timber Structure Enterprise Pavilion as the demonstration and evaluation of this method is fabricated and assembled on site through a notational system to indicate the applicability of this research in practical scenarios.
keywords robotic fabrication, geometrical information modeling, simulation and design optimization, big data
series ACADIA
type paper
email philipyuan007@tongji.edu.cn
last changed 2016/10/24 11:12

_id caadria2020_115
id caadria2020_115
authors Zhong, Jia Ding, Chao, Sara, Ming Chun and Tsou, Jin Yeu
year 2020
title Establishing a Prediction Model for Better Decision Making Regarding Urban Green Planning in a High-density Urban Context
source D. Holzer, W. Nakapan, A. Globa, I. Koh (eds.), RE: Anthropocene, Design in the Age of Humans - Proceedings of the 25th CAADRIA Conference - Volume 1, Chulalongkorn University, Bangkok, Thailand, 5-6 August 2020, pp. 517-526
summary This paper presents a prototype of a prediction model. The model helps to improve decision making regarding urban green patch planning. This process is achieved by the model predicting the response of thermal comfort conditions in an urban green patch to different planning decisions. This process is demonstrated via an investigation of variations in urban density. The model features a surface temperature mapping approach, which assigns surface temperature data acquired through field-measurement to solid surfaces in CFD simulations based on the shading state. Besides, trees are simulated in a systematic way, and the model combines CFD simulations with PET values, the processes of which are also demonstrated in this paper.
keywords Urban Green Planning; Decision Making; Thermal Comfort; CFD
series CAADRIA
email jiadingzhong@cuhk.edu.hk
last changed 2020/08/14 18:39

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