“Those Look Similar!” Issues in Automating Gesture Design Advice
Summary:
Long et al. give a brief overview about gestural recognition in this paper before diving into their new design tool, "Quill". Quill interestingly advises the designer of similar gestures and warns that users may perceive them as the same thing. The paper explains how Quill goes through all the gestures and gives warnings to the designer based on similarity data that the tool creates. It discusses the problems that arose from this "advice" feature, and explains how often and for what reasons they finalized the feature's attributes. It explains several different options for giving advice and which ones were put in the final product.
Discussion:
I think this is a great optional tool for gestural language designers. This seems like a good feature; as programming languages have tools that highlight errors and broken code, this highlights possible mistakes in gestural languages. I can't help but think that we should stress the optional part though, being reminded of Clippy from Microsoft Word. Even though Long and the others went out of their way to be as least annoying to the designer as possible, Quill still has a lot of error in the advice giving.
Personally, I believe that gestural languages should be used for different means. For example, typing will almost always be faster than a pencil/writing tablet for taking lots of words, but throw in a fraction or big equation and sketching is totally the way to go. Basically I'm saying that gestural languages shouldn't be as broad as some applications, because there's only so many shapes you can make before you either get repetitive or just plain confusing.
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