Gestures in Python

[Simon Wittber (Maptek)]

>> I've been playing a lot of Black & White recently, and after I got
the 
>> hang of things, it struck me that Gesture's are an excellent and 
>> under-utilised interface / input paradigm.
>>
>> I've decide to have a go at implementing a minimal gesture
recognition 
>> framework on top of pygame, using Python at first, then moving to C++

>> if speed becomes an issue.
>>
>> Does anyone have any idea how to implement gestures? I had a look at 
>> libStroke <http://www.etla.net/libstroke/> and have some ideas of my 
>> own, but am interested to see if anyone has experience or other takes

>> on the subject.

>Wrapping libstroke would be nice, and potentially a lot easier than 
>implementing your own system. And the pygame crowd would definitely
find it 
>interesting (I know I would :)

The libStroke implementation seems a bit flawed. It grabs the stroke and

normalizes the pattern into a 3x3 grid of points, which it uses to
generate
a string (the gesture identifier). I can't imagine this is very accurate
or 
reliable.