Of the numerous changes to the implements for creating 2D images and 3D models, one of the most radical has been the recent adoption of WIMP interfaces. Ironically, there is good reason to believe that WIMP interaction for 3D modeling is actually inferior to the real-world interfaces (pencils, large sheets of paper, clay, paint palettes) that it supplants. In fact, WIMP interaction's principal benefit is its straightforward integration with computer 3D model representations which have many advantages including ease of transformation, archival, replication and distribution.Instead of interpreting user compliance as an affirmation of WIMP interaction, we explore the dichotomy of how easy it is to depict a 3D object with just a pencil and paper, and how hard it is to model the same object using a multithousand dollar workstation. Our challenge is to blend the essence of pencil sketching interfaces with the power of computer model representations.This paper presents an overview of ongoing research in "sketch-like" 3D modeling user interfaces. The objective of this research is to design interfaces that match human ergonomics, exploit prelearned skills, foster new skills and support the transition from novice to skilled expert. Thus pencil sketching is an interaction ideal, supporting users ranging from children to adults, and from doodlers to artists. Perhaps the best testament to the effectiveness of the pencil and paper interface is that very few people even consider it a user interface.
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Sketching in 3D
Zeleznik, Robert
Follow ACM SIGGRAPH Computer Graphics
, Volume 32 (4)
Association for Computing Machinery – Nov 1, 1998
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