Diagram

The diagram can be edited on draw.io.

Use cases

Add a symbol

• The user starts the app providing the size of the learning set, the name of the new symbol and the command they want to assign to the new symbol.
• The app asks the user to draw the new symbol the number of times the user declared to draw (when providing the size of the learning set).
• The user draws the new symbol everytime the app prompts them to do so.
• The app saves the new symbol.
• The user can use their new symbol now.

Load personal settings

• The user runs the app to list all the currently loaded symbols.
• The app prints the list of the loaded symbols.
• The user runs the app to delete all the symbols.
• The app deletes all symbols.
• The user runs the app to import their settings from a file.
• The app loads the file.
• The user can use the symbols from the file now.

Run the app and execute the related command

• The user starts the app in the user mode (the app reacts to the user's symbols).
• The app starts listening on the touchpad.
• The user draws a symbol which is known to the app.
• The app recognizes the symbol and executes the related command.

Resources

• http://alistair.cockburn.us/get/2465