topic Re: Arcade data expression: copy a single value from a feature set to all rows of a new one in ArcGIS Dashboards Questions

Arcade data expression: copy a single value from a feature set to all rows of a new one

Merlin — Tue, 21 Sep 2021 15:39:57 GMT

Hi there,

I appear to have lost my way in a seemingly easy task. I would like to copy a certain value (TestSeptember) from one feature set to a new one:

Edit: the FFG_Name is blank due to data privacy (contains names).

Anyone who could guide me through this?

Cheers,
Merlin

If it helps, here my code so far:

Re: Arcade data expression: copy a single value from a feature set to all rows of a new one

DavidPike — Tue, 21 Sep 2021 13:32:18 GMT

looks fine (and very nicely formatted). I'm wondering if it's as simple as FFG_Name being an alias? Also what's the original format of FFG_Name? What does it look like?
can you test it with

return att

Re: Arcade data expression: copy a single value from a feature set to all rows of a new one

Merlin — Tue, 21 Sep 2021 15:43:15 GMT

Hi David,

The FFG_Name field was blank to hide the names that actually show up.

My goal is to copy the ModuleDescription Field containing the string 'TestSeptember' to all rows of the second fs.

This was ppl. misguiding in the original post. I tried to edit and clarify.

Re: Arcade data expression: copy a single value from a feature set to all rows of a new one

JohannesLindner — Wed, 22 Sep 2021 08:12:36 GMT

// before line 40 var module_desc = null if(Count(cuMoDe) > 0) { module_desc = First(cuMoDe).ModuleDescription } // before line 44 'Module_desc': module_desc,

Re: Arcade data expression: copy a single value from a feature set to all rows of a new one

Merlin — Wed, 22 Sep 2021 08:34:34 GMT

Excellent! Cheers Johannes.

This was the function that did all I needed:

First(cuMoDe).ModuleDescription