Re: [pygame] Need Help with Distance Algorithm in Numeric

[Magnus Lie Hetland <magnus@xxxxxxxxxxx>]

Kamilche <klachemin@xxxxxxxxxxx>:
>
[snip]
> import Numeric
> 
> # Your distance function, for measuring how similar two RGB triples
> # are. I'm just using plain ol' Euclidean distance here. Note that it
> # returns the pairwise distances for all elements in a and b (which
> # must have the same shapes).
> def dist(a, b):
>     "Euclidean distance"
>     return Numeric.sqrt(sum((b - a)**2, -1))

And here is your bug. Don't use sum() -- use Numeric.sum() :)

-- 
Magnus Lie Hetland                   Fall seven times, stand up eight
http://hetland.org                                 [Japanese proverb]