Comment:
Chris
Summary:
The paper introduced Tahuti, a geometrical sketch recognition system for UML diagram. The system is dual-view sketch recogniton environment, which based on a multi-layer recognition framework which recognizes multi-stroke objets by their geometrical properties allowing users the freedom to draw naturally as they would on paper. The system can provide two views, interpreted version of stroks and original strokes. Users can choose to switch between them at any time. And users can draw and edit while viewing either their original strokes or the interpreted version of their strokes engendering user-autonomy in sketching. The result shows that uers preferred Tahuti to a paint programs and to Rational Ross.
Discussion:
The system looks nice. I actually watched the demo from youtube about this system. It works pretty good for editing UML diagram, user can drag and move the class components to whevere they want. The system give much freedom for people to draw. And the beautiful idea here is to encourage people to switch between different views. In all, nice system which deleveoped by my advisor!
I like the idea about the non-modal concept. It allows users not to switch between several modes, such as drawing and editing. Really good for human-computer interaction. Another merit of the system is the freedom that gives to users through geometric based method.
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