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check if value is None before trying to cast float
the tool used to fail when there were NULL values in the fields
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anitagraser committed Aug 28, 2014
1 parent 6130505 commit 75b3464
Showing 1 changed file with 9 additions and 8 deletions.
Expand Up @@ -104,16 +104,17 @@ def processAlgorithm(self, progress):
total = 100.0 / float(count)
current = 0
for ft in features:
value = float(ft.attributes()[index])
if isFirst:
minValue = value
maxValue = value
isFirst = False
else:
if value < minValue:
if ft.attributes()[index]:
value = float(ft.attributes()[index])
if isFirst:
minValue = value
if value > maxValue:
maxValue = value
isFirst = False
else:
if value < minValue:
minValue = value
if value > maxValue:
maxValue = value

values.append(value)
sumValue += value
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