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Is it possible to create an algorithm in the attributes value field of ArcMap? I want to calculate the final length from the start and end length fields.

SeanKartun1

Please see the attached picture re the fields in question.

Attribute-field-edit.png

DiegoMeira_4-1644605539701.png

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DanPatterson_Retired

Are the data points? or a polyline? or do you only have the data in a table

SeanKartun1

Hi Dan, The fibre loop is a data point. So the AsBuiltLength represents the difference between begin and endmeasure. I want to add an algorithm to the AsBuiltLength field: AsBuiltLength = endmeasure -beginmeasure [or vice versa]. This will save a bit of time. Cheers, Sean

DanPatterson_Retired

I take it you aren't using arcmap which would be a simple field calculation, so perhaps you might want to elaborate on which part of the 'Developer' forest you are in. You can Share to a more directed space if you want (access to the top right of your question)

SeanKartun1

Thanks, I'll return to the question on Monday.

SeanKartun1

Hi Dan, I am using ArcMap. I'm definitely in a forest, so I can't elaborate too much. Would you have any recommendations for sharing/tags?

MatthewDobson

Sean, if your data is in a relational database, a trigger could calculate the AsBuiltLength on an update to the endmeasure and beginmeasure fields (obviously checking that both are populated)..

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