One thought is to get designers to visit an institution with which they are not already familiar with a view to identifying what made the own experience less satisfying than it might have been. It may help if they take friends and or family who are…
We certainly plan to use a layered approach. I think it's the only way - and easily transferable into Google Earth of course. And thanks also for the heads up re. Omingraffle.
Many thanks Rob- yes, that's just what I meant. We have had similar problems, and I was thinking of using Google Earth, but with a z axis to represent time. Looks like we'll be going down the simple drawing app route too...