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-   -   Re: Error (http://www.velocityreviews.com/forums/t954668-re-error.html)

 Mark Lawrence 11-20-2012 01:21 PM

Re: Error

On 20/11/2012 12:31, inshu chauhan wrote:
> I did the following changes in this part of my programme.. now the
> refereence error is removed but its showing me another error :
>
> def ComputeClasses(data):
> radius = .5
> points = []
> for cy in xrange(0, data.height):
> for cx in xrange(0, data.width):
>
> if data[cy,cx] == (0.0,0.0,0.0):
> continue
> else :
> centre = data[cy, cx]
> print centre
> points.append(centre)
>
>
> change = True
>
> while change:
>
> for ring_number in xrange(1, 1000):
> change = False
> new_indices = GenerateRing(cx, cy, ring_number)
>
> for idx in new_indices:
> point = data[idx[0], idx[1]]
>
> if point == (0.0, 0.0, 0.0 ):
> continue
> else:
>
> dist = distance(centre, point)
> if dist < radius :
> print point
> points.append(point)
> change = True
> print change
>
>
> break
>
>
> print points
>
>
> ERROR :
>
> Traceback (most recent call last):
> File "Z:/modules/classification1.py", line 71, in <module>
> ComputeClasses(data)
> File "Z:/modules/classification1.py", line 47, in ComputeClasses
> point = data[idx[0], idx[1]]
> error: index is out of range
>
> What is meant by this statement ' Index out of range ' ? Does it mean that
> my range 1, 1000 is exceeded ??
>
>

What makes you think the error applies to the value from the xrange
call? The traceback tells you that the error has occurred at line 47.
Looking at that and the lines above, I'd guess your problem lies in the
return values from the GenerateRing function.

--
Cheers.

Mark Lawrence.

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