
214 ◾ Software Designers in Action: A Human-Centric Look at Design Work
© 2010 Taylor & Francis Group, LLC
1. Viewpoint transitions occur frequently and opportunistically and so need to be made
as simple and quick to achieve as possible.
2. Informal diagrams and lists need to be integrated with other more formal notations.
Ideally, a tool should support the transition from informal notations to more formal
ones, but there is little in these case studies that can give any pointers to this.
3. As noted above, the capture of reasoning is needed. Again, the case studies indicate
the need (as failure to record this occurred very frequen ...