topic Re: ArcGIS Online - Calculate Field Automatically in ArcGIS Online Questions

ArcGIS Online - Calculate Field Automatically

BenGrod — Thu, 22 Jan 2015 19:35:18 GMT

When editing an ArcGIS Online hosted feature layer within a web map or web app is there a way to automatically calculate a field upon creation of the feature? I am trying to automatically calculate the area (square feet) of a polygon after it is created.

Re: ArcGIS Online - Calculate Field Automatically

TimWitt2 — Thu, 22 Jan 2015 19:40:55 GMT

Shouldn't there be a SHAPE.AREA field within your feature service?

Re: ArcGIS Online - Calculate Field Automatically

BenGrod — Thu, 22 Jan 2015 19:43:42 GMT

Yes, but the coordinate system is WGS 84 and the shape.area is square meters. I actually need to populate the square feet field which is a simple calculation but I would like to do it automatically.

Re: ArcGIS Online - Calculate Field Automatically

TimWitt2 — Thu, 22 Jan 2015 19:48:15 GMT

Ben, this is not possible.

Re: ArcGIS Online - Calculate Field Automatically

BenGrod — Thu, 22 Jan 2015 19:50:40 GMT

Yeah, I was afraid of that. Thank you though Tim!

Re: ArcGIS Online - Calculate Field Automatically

MikeGarza — Mon, 26 Oct 2015 18:28:39 GMT

Ben, I am facing the same problem you are facing. Were you able to find a solution to this problem? I am having users drop a point on a map and I would like for it to auto field calculate text into a new field.

Re: ArcGIS Online - Calculate Field Automatically

TimWitt2 — Mon, 26 Oct 2015 18:39:57 GMT

Mike,

in your case you might be able to work with a domain. It really depends on what you want to populate.

Tim

Re: ArcGIS Online - Calculate Field Automatically

MikeGarza — Mon, 26 Oct 2015 18:45:01 GMT

Tim, thanks for the quick reply. Unfortunately, a domain will not work because when the user drops in a point I want a new empty field to field calculate the name of that point (which will be unique) along with the data from another field. So once the point gets dropped the data from the other field will be combined with the name of the point that was just dropped and that will always be unique to every point.

Re: ArcGIS Online - Calculate Field Automatically

TimWitt2 — Mon, 26 Oct 2015 18:52:40 GMT

Mike,

in ArcGIS Online this is not possible, you can only do this in ArcGIS Desktop.

Tim

Re: ArcGIS Online - Calculate Field Automatically

MikeGarza — Mon, 26 Oct 2015 18:57:17 GMT

What would the syntax be to have it automatically field calculate a field in desktop? Maybe if I can have that syntax already placed in the empty field once a point is dropped the automatic field calculation will just happen.

Re: ArcGIS Online - Calculate Field Automatically

TimWitt2 — Mon, 26 Oct 2015 19:17:45 GMT

In ArcGIS Desktop you would have to use the Attribute Assistant Add-In: Attribute Assistant | ArcGIS Solutions

But sadly this will not solve your issue, since this only works in ArcGIS Desktop.

Re: ArcGIS Online - Calculate Field Automatically

DelaereMickael — Wed, 15 Mar 2017 15:12:37 GMT

i am searching for the same functionnality.

Possible programmatically in the front office without using esri tech. (i use jsp,javascript to pass sql transactions to the database)

Possible by creating trigger in the database.

but on the cloud i don't know.

Re: ArcGIS Online - Calculate Field Automatically

JonDouglas — Tue, 22 Jun 2021 08:24:04 GMT

well, it sounds like this is a feature esri should look into and enable. I will enter it into their idea page, if its not done already.

edit: alas! this is already implemented. See link here

https://community.esri.com/ideas/10796

Re: ArcGIS Online - Calculate Field Automatically

AdrianWelsh — Fri, 11 Aug 2017 05:45:15 GMT

It would be nice if the Ideas page could list dates on the implementations (or even on the different statuses like "reviewed" or "considered", etc.)

Re: ArcGIS Online - Calculate Field Automatically

BrittanyBurson — Wed, 15 Sep 2021 18:15:02 GMT

Anyone here in 2021 please upvote idea supporting Attribute Rules in ArcGIS Online to enable this.