Comment on:
JJ
Summary
K-Sketch is a general-purpose, informal, 2D animation system which can help novice users to easily creat animations. This paper first interviews some experienced animator in order to find how an informal tool can helps their work. Then, they conducts some interviews with non-animators to find their needs when they want to creat their own animations.
The authors defined 18 animation operations. From these 18 operations, they choose 9 from them in order find a balance between reaction time and the powerof this system. Experiments show K-Sketch is stronger than PowerPoint.
Discussion:
It is a great paper showing the full process of developing a useful system: doing researchs on the needs of aimed users, After that, developing a system that fulfill those requirment with a balance between reaction time and number of functions. At last, doing some experiments to measure the performance or compare it with the performance of other related systems.
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