Informatics 121 Software Design I

1. Informatics 121Software Design I Lecture 8 Duplication of course material for any commercial purpose without the explicit written permission of the professor is prohibited.

2. Today’s lecture • Design studio 2 continued

3. Design studio 2 – original • Design an educational traffic flow simulation program • A 2-page briefing is provided, listing the main requirements for the system • You will produce the design over a number of weeks, through a variety of structured exercises and arguments • This will be an individual assignment, with group exercises worked in

4. Design studio 2 – original • This exact same design prompt was given to professional software designers • 1 hour and 50 minutes at the regular whiteboard

5. Design studio 2 – original • Watch the video, carefully • Identify… • …five decisions points that the designers encountered • …the options they considered • …any relationships among the options • …mark the time(s) when these decisions points are discussed • Focus on essence and tradeoffs

6. Design studio 2 – original • Hand in a document, at the beginning of class, Monday • Bring two copies

7. Design studio 2 • Reflection on decision points, choices, and relationships…

8. Design studio 2 – today • Half of the teams • design three alternative user interfaces (60 min) • what does it look like, how does the user control the experience, … • Half of the teams • design three alternative simulators (60 min) • how does it work “on the inside” • Use the decision points, choices, and relationships • document new ones as needed • Use Calico

9. Design studio 2 – continued • Read Michael Jackson’s “Representing structure in a software system design” and Mary Shaw’s “The role of design spaces in software design” • Use it to further identify • …the key decision points underlying this design problem • …the options you think should be considered • …the relationships among the options • Focus on essence and tradeoffs • Nothing to hand in