shrug-l: Creating an If/Then Python script, ArcMap 10.7

[Nathaniel Countess]

Hello Scott,

While I’ll be able to take a crack at this later in the week, (I’m also brushing up on Python for similar purposes) one way to approach this would be through ArcPy’s “arcpy.da.SearchCursor” and “arcpy.da.UpdateCursor”. These classes allow Python to “look” at and modify your attribute table values, respectively, within ArcMap. Another way is through importing the table into a pandas dataframe and manipulating it from there... but ArcPy's capability to operate seamlessly w/n ArcMap is worth skipping over that learning curve.

I hope that’s a good starter for now. Will e-mail direct with a more concrete solution when time permits.

Cheers,

Nathaniel Countess
________________________________
From: SHRUG-L <shrug-l-bounces at lists.dep.state.fl.us> on behalf of Scott Crosby <scrosby at alachuacounty.us>
Sent: Tuesday, September 7, 2021 12:08:11 PM
To: SHRUG-L at lists.dep.state.fl.us <SHRUG-L at lists.dep.state.fl.us>
Subject: shrug-l: Creating an If/Then Python script, ArcMap 10.7


Hi all,



I need to create a Python script that will change the values of one field based on the values of another field. In a nutshell, I want a Field called “Fire Type” to change to a yes, no or maybe, based on the values in another field called “Name_State” where this will happen:

                Name State = mesic flatwoods, or sandhill, or wet flatwoods, or pasture, or semi-improved pasture; then

                Fire type = Yes



                AND

                Name State = (non-pyric natural community); then

                Fire Type = No



                AND

                Name State = Basin marsh, or depression marsh, or dome swamp; then

                Fire Type = Maybe



It’s been a while since I’ve dealt with Python, so any help anyone can provide would be greatly appreciated.



Thanks,

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Scott Crosby, SAF Certified Forester
Senior Environmental Specialist
Environmental Protection
408 W. University Ave Suite 106 • Gainesville • FL • 32601
352-264-6823 (office) • 352-213-0024 (mobile)
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