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NathanW2/max_name.py

Last active October 22, 2015 22:59
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max_name.py
from qgis.core import *
from qgis.gui import *
@qgsfunction(args=-1, group='Custom')
def max_name(fields, feature, parent):
realindex = [feature.fieldNameIndex(field) for field in fields]
values = [feature[field] for field in fields]
index = values.index(max(values))
index = realindex[index]
return feature.fields()[index].name()
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Usage

 max_name( 'Tree_id', 'centX', 'centY')

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