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How do Planners Generate Ideas?

How to generate ideas in planning is a question that many planning students ask. This can seem a mysterious and difficult process. Unfortunately, planning education has not always done a great job of helping students unpack this apparent mystery.
Ann Forsyth | April 6, 2015, 10am PDT
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Mosman Council

How to generate ideas in planning is a question that many planning students ask. This can seem a mysterious and difficult process. Unfortunately, planning education has not always done a great job of helping students unpack this apparent mystery.

While there are numerous ways planners do in fact generate ideas, in my experience many fall into one of the following categories.

  • The black box—a method where the answer comes from a process that is not well described and based on an amalgam of experiences. When Katherine Crewe and I developed a typology of approaches to landscape architecture a few years back, we found that landscape architects well-known for artistic creativity often described their process in this way. However, I expect that most black box approaches supplement one or more of the others below.
  • Analysis and synthesis—in this process planners analyze the situation and use that information to synthesize a solution. This is broadly applicable to most planning situations, however it does not give much guidance about the step from analysis to synthesis. Again, I think that many people following this process use one of the following methods to make that step.
  • Precedents—in this approach planners look to examples and alter them to fit the situation at hand. This requires some analysis and also knowledge of planning practice. Better planners will have a good sense of such historic cases and in different places with a rich understanding of context. This has the advantage of being tried and true but ideas don’t always transfer well—think of a modernist high rise that does well in affluent parts of New York, in cities like Singapore, or for populations like seniors, but doesn't transfer well to different places and demographic groups.
  • Patterns—these are a more abstract form of precedent, looking not at whole environments but at components. The exemplary work is Alexander et al.'s Pattern Language, but some uses of Lynch's The Image of the City would place it in this camp because he identifies patterns like paths and nodes. (There’s a more participatory use of the book, about understanding local perceptions, which is different.) The new urbanists have codified a number of these patterns and use them to generate their developments.
  • Similes (and analogies and metaphors)—yet more abstract, an example helps explain this concept. One way landscape architecture faculty sometimes try to inspire students to think more broadly is to ask them to think of a designing a parking lot as a "park for cars." This can create new thinking—for example, parking lot that is planted, cooling, calming. A business improvement district can be seen to make a downtown like a mall (in terms of cleanliness, service, etc.). To think in similes, of course, it helps to understand precedents and have analyzed the sites.

There are likely several other ways people come up with ideas. Within each approach there are many analytical methods, precedents, patterns, and similes making each one complex. However, my point is that generating ideas is a process that can be learned and improved. It isn't a mystery.

I have written about this briefly in "Innovation in Urban Design: Does Research Help?" Journal of Urban Design 12, 3: 461-473. [Abstract] 

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