Is it possible to symbolize in Map Viewer based on relationship to another layer in map (Arcade)?

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03-20-2023 07:36 PM
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GIS_utahDEM
Occasional Contributor

I know it's possible to create an expression within pop-ups that relates the feature with features in another layer, but I'm trying to extend this capability to symbology. I have an expression that works in pop-ups to count the number of features of another layer that fall within a specific buffer of the current feature. I want to be able to symbolize based on that count, but the same expression does not work within symbology. I know I could calculate this in the data layer with adding another field, but I was hoping not to do that and I definitely want the calculation to be dynamic. 

My expression that works in the pop-up is essentially what is explained here: https://www.esri.com/arcgis-blog/products/arcgis-online/analytics/use-arcade-geometry-functions/#:~:...

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magisian
Regular Contributor

Hi,

Not according to this idea:

https://community.esri.com/t5/arcgis-online-ideas/allow-featureset-functions-to-be-accessed-in/idi-p...

You could try set something up with attribute rules, or updating a field in the layer some other way (automated updates of data).

If the option WAS available, it could potentially significantly increase the time taken to render symbology + increase the number of queries made against the service. I wouldn't recommend it for performance / system health reasons.

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magisian
Regular Contributor

Hi,

Not according to this idea:

https://community.esri.com/t5/arcgis-online-ideas/allow-featureset-functions-to-be-accessed-in/idi-p...

You could try set something up with attribute rules, or updating a field in the layer some other way (automated updates of data).

If the option WAS available, it could potentially significantly increase the time taken to render symbology + increase the number of queries made against the service. I wouldn't recommend it for performance / system health reasons.

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