Modeling sketching primitives to support freehand drawing based on context awareness

Ma, Cuixia, Qin, Sheng-feng, Wang, Hongan and Dai, Guozhong (2010) Modeling sketching primitives to support freehand drawing based on context awareness. Computing and Informatics, 29 (4). pp. 585-600. ISSN 1335-9150

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Freehand drawing is an easy and intuitive method for thinking input and output. In sketch based interface, there lack support for natural sketching with drawing cues, like overlapping, overlooping, hatching, etc. which happen frequently in physical pen and paper. In this paper, we analyze some characters of drawing cues in sketch based interface and describe the different types of sketching primitives. An improved sketch information model is given and the idea is to present and record design thinking during freehand drawing process with individuality and diversification. The interaction model based on context is developed which can guide and help new sketch-based interface development. New applications with different context contents can be easily derived from it and developed further. Our approach can support the tasks that are common across applications, requiring the designer to only provide support for the application-specific tasks. It is capable of and applicable for modeling various sketching interfaces and applications. Finally, we illustrate the general operations of the system by examples in different applications.

Item Type: Article
Subjects: W200 Design studies
Department: Faculties > Arts, Design and Social Sciences > Design
Depositing User: Becky Skoyles
Date Deposited: 19 Mar 2014 14:51
Last Modified: 12 Oct 2019 19:34

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