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ar:alan-s-thoughts-on-developing-user-interfaces-by-dan-olsen [2014/08/11 16:02] (current)
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 +<​u>'''​Book:'''</​u>​ [http://​catalog.lib.byu.edu/​uhtbin/​pcnum/​2333707%20 Developing User Interfaces] by Dan R. Olsen, Jr.
  
 +<​u>'''​Notes:'''</​u>​
 +
 +'''​CHAPTER 1'''​
 +* (pg 12) '''​Interactive cycle''':​ User sees display, user makes goals and gives input, input is interpreted to change data, data is represented on the display. (<​del>​rinse and </​del>​repeat).
 +* (pg 13) '''​Gulf of Evaluation''':​ Information is difficult to interpret and evaluate in order to make goals
 +* (pg 13) '''​Gulf of Execution''':​ The user doesn'​t know how to communicate the goal to the interface. ​ ''​Solution:''​ User must feel safe to experiment with the interface, and should have clear feedback, so that he can learn how it works (overcoming the gulf of execution). ​ Being able to "​undo"​ helps the user to feel free to experiment & explore!
 +* (pp 17-23) '''​Interface Design Process''':​
 +** '''​Task Analysis''':​ Know what the user will need to do
 +** '''​Functional Model''':​ How the information will be stored and manipulated in the system
 +** '''​Presentations''':​ How to visually represent the information
 +** '''​Interactive Porthole''':​ How to fit things on the screen, and how to get at information that isn't currently displayed on the screen
 +** '''​Actions''':​ How to manipulate the objects on the screen. ​ Intuition dictates, "if I can see it, I can manipulate it."
 +'''​CHAPTER 2'''​
 +* (pg 30) '''​Frequency of use'''​ will determine how to include an item in the interface
 +* (pg 32) Make sure not to think of the task as a programmer (like start & end times for VCR programming - '''​machine-oriented'''​),​ but as the user (like "I want to tape ''​The Cosby Show''"​ - '''​user-oriented'''​)
 +* '''​TASK ANALYSIS'''​
 +** Questions to answer:
 +*:* What do the users want to do?
 +*:* What information objects are required?
 +*:* What actions are required?
 +
 +<​u>'''​Still to be read:'''</​u>​
 +
 +* Chapter 5: Basic Interaction (i.e. Model-View-Controller Architecture)
 +* Chapter 13: Cut, Copy, and Paste
 +* Chapter 14: Monitoring the Interface: Undo, Groupware, and Macros
 +
 +The rest of the chapters just focus on widget toolkits, geometric shapes, and other finer details of graphical user interfaces.
 +
 +<​u>'''​Application to personal research:'''</​u>​
 +
 +The user needs to be able to create a script that the robot can follow and that will allow for changes in behavior during run-time (in response to sensor or remote control inputs). ​ I will need to create the functional model of a script. ​ It would be good to present the information in a way that is intuitive (like the LEGO Minstorms NXT programming environment) and/or familiar (like Microsoft Word) to the user.  I'm considering a tree-based interface, where a portion of the tree is on-screen, and the rest can be reached by clicking on that branch (similar to a genealogy chart). ​ I imagine I'll setup user actions similar to how the LEGOs interface works.
 +
 +I will use simple icons to represent the robot'​s actions and commands, hopefully minimizing the "gulf of evaluation." ​ I will eventually implement cut, copy, paste, undo, and redo to help minimize the "gulf of execution."​
 +
 +----
 +
 +<< [[User Interface Design]]
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