[portland] Iterating Through Tuples In A List

[Rich Shepard]

On Fri, 15 Feb 2008, kirby urner wrote:

> Remember that you can go:
>
> for row in self.appData.tsets:
>    print row

   Thank you.

> These look mutually consistent to me.  Do you have input into what
> data structure to use?  A dictionary might be better, e.g.
>
> {"HabitatComplexity":("Decay S-Curve", "Growth S-Curve"),
> "SpecialConcern":("Decay S-Curve", "Bell Curve", "Growth S-Curve"),
> "Variety":("Decay S-Curve", "Growth S-Curve")}
>
> Nevermind though.  Sounds like you've got something more like:
>
> [("HabitatComplexity" 2, ("Decay S-Curve", "Growth S-Curve")),
> ("SpecialConcern", 3, ("Decay S-Curve", "Bell Curve", "Growth S-Curve")),
> ("Variety", 2, ("Decay S-Curve", "Growth S-Curve"))]
>
> Number of subcomponents is sort of "data sugar" as it'd be easy
> to just get it from len, but oh well.

   The examples are portions of each tuple. They're retrieved from database
tables and each carries unique information.

> You could use your "Decay S-Curve" type strings (are they strings?)
> as pointers to plotting functions?

   That's exactly what I'm doing. Getting only the desired tuples to plot on
the same axes has been my hangup.

> Also, based on previous postings, I'm worried you don't really need "self"
> -- you're inside some class definition here?

   Yes. And row is referenced in several functions.

Rich

-- 
Richard B. Shepard, Ph.D.               |  Integrity            Credibility
Applied Ecosystem Services, Inc.        |            Innovation
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