.PYT sample success anyone?

KevinBell

http://resourcesbeta.arcgis.com/en/help/main/10.1/index.html#//001500000022000000.htm

I copied the code from this page into notepad, changed the .txt to .pyt and clicked it in the catalog but it does nothing.  It looks like a toolbox with a red X.

HarryBowman

"Sinuosity measures the amount that a river meanders within its valley, calculated by dividing total stream length by valley length."

Am I wrong in saying the function is returning the inverse of sinuousity? It looks like that to me.

def getSinuosity(shape):
    length = shape.length
    d = math.sqrt((shape.firstPoint.X - shape.lastPoint.X) ** 2 +
                  (shape.firstPoint.Y - shape.lastPoint.Y) ** 2)
    return d/length