calculating fields in model builder

DavidManz — Tue, 19 Apr 2011 19:33:03 GMT

I have what is probably a bonehead question for everyone else. How can I calculate the value of field X to 100 but only if the value of field y=A. I can do this easily enough in arcmap but I want to make a model that will do this. Can anyone help?

Re: calculating fields in model builder

MaudGillespie — Tue, 19 Apr 2011 21:34:36 GMT

Without going into too much detail; you would use the calculate field tool and, in the expression field, click on the calculate expression icon and insert a code block similar to this:

dim FieldName
dim ExpValue

FieldName = "y"
if "FieldName" = "A" then
ExpValue = "100"
end if

For further information, search the help files for using code blocks.

Good Luck,

Frank

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calculating fields in model builder

Re: calculating fields in model builder