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I am using ArcGIS Pro.

I have this set of points where I like an unique id (uid). The only thing they need to be unique is a counter of some sort at the end.

I have another field with some id that should be infront (number), so my expression would be something like:

"!number!"+ INCREMENT + "h"

Is this doable?

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  • I usually create a Point_ID field as "OBJECT_ID +1" ... I do the +1 so that my first point is at 1 not 0. You can do these easily in Calculate Field or in ArcPy.
    – a11
    Commented Mar 6, 2019 at 18:11

1 Answer 1

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If you just want to add a counting number (does not matter if the value is unique or not, or number of unique values) then try:

Pre-logic:

count = 0
def uidcreator(a):
    global count
    count+=1
    return "{0}-{1}h".format(a,count)

Call with:

uid=

uidcreator( !SOMEFIELDNAME!)

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