Design Principles
1.Should be interactive
2. The recognition of shapes/gestures should be independent of user.
3. Should be able to identify single as well as multi strokes
4. Should make use of intuitive gestures while designing a gesture based system
5. Should give automated feedback and guidance
6. Should make use of features of a normal application in computer like copy/paste, undo/redo, changing thickness of the lines, switching colors of pen
7. The system should respond quickly
8. A single system can be made to respond to all kinds of input - mouse, finger, stylus
9. The gestures should be easy to learn and remember.
10. Rejection of the strokes/gestures/shapes should not be too much. It is better to ask users to redo than identifying shapes wrongly
11. Can learn from each user and improve the quality of the system on fly
12. Along with the use of gestures, can have the traditional menus to make the system more powerful. For example, in the K-Sketch system, we can have an option of entering the relative speeds of two objects while are moving in same direction(translation)
Mechanix Improvements
1. Should have an option of saving the assignment and getting back from the point where the student left the previous time
2. Conversion of units. For example, if a student gives the answer in kN instead of N, the system should be capable of doing conversion and respond.
3. When I put "10N" instead of "10 N" for the forces in the diagram, the input is marked in red though the answer is accepted
1.Should be interactive
2. The recognition of shapes/gestures should be independent of user.
3. Should be able to identify single as well as multi strokes
4. Should make use of intuitive gestures while designing a gesture based system
5. Should give automated feedback and guidance
6. Should make use of features of a normal application in computer like copy/paste, undo/redo, changing thickness of the lines, switching colors of pen
7. The system should respond quickly
8. A single system can be made to respond to all kinds of input - mouse, finger, stylus
9. The gestures should be easy to learn and remember.
10. Rejection of the strokes/gestures/shapes should not be too much. It is better to ask users to redo than identifying shapes wrongly
11. Can learn from each user and improve the quality of the system on fly
12. Along with the use of gestures, can have the traditional menus to make the system more powerful. For example, in the K-Sketch system, we can have an option of entering the relative speeds of two objects while are moving in same direction(translation)
Mechanix Improvements
1. Should have an option of saving the assignment and getting back from the point where the student left the previous time
2. Conversion of units. For example, if a student gives the answer in kN instead of N, the system should be capable of doing conversion and respond.
3. When I put "10N" instead of "10 N" for the forces in the diagram, the input is marked in red though the answer is accepted
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