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Phyton statement if/else - string/double

BartoszBrzeziński1

Hi,

I stuck with simple expression in field calculator in ArcGis. I hope you`ll help me. The picture below contain two fields "Zal" (Double) and "W_zal" (string). I would like to fill field "W_zal" based on "Zal". For example: if Zal > 10, W_zal is 'text', if Zal < 10 , W_zal is "text_2". I`dont know whats is wrong, brackets, spacing... I`ll be grateful for yours help.

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Accepted answers

BartoszBrzeziński1

Thank you Dan!

All comments

NeilAyres

But awarding the answer to yourself is a bit....

DanPatterson_Retired

Ahhh good... at least the thread is closed

DanPatterson_Retired

Joe... I think Bartosz is long gone... it get randomly bumped up the pile over time though

JoeBorgione

Perhaps you could mark this as Answered since the information Dan provides is spot on.

BartoszBrzeziński1

Thank you Dan!

DanPatterson_Retired

select the python parser

and use this as the expression in the code block. I have written the example verbosely so you can follow the logic. It is always best to assign the required output and return the final value after the fact to ensure that all is correct.

def convert(val,fld):
    if fld > 10:
        val = "text"
    else:
        val = "text2"
    return val

and this in the expression box

convert(2, !Zval!)

here is an example using a slightly different example... but the principle is the same.

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