Find point feature count in multi-polygon feature layer with Arcade expression

11-30-2023 09:47 AM
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New Contributor III

I am working in ArcGIS Online and need to show the point feature count in a polygon layer with multiple features. I found a way to show the count, but it's not too meaningful yet: I need help iterating over the polygon features. Do you know how I can iterate over the polygon features by say fieldname1? 

var p = Portal("");
// Point feature is incidents
var incidents = FeatureSetByPortalItem(p, "123rty", 0);
// Polygon feature is divisions
var divisions = FeatureSetByPortalItem(p, "abc123", 0);

// Iterate over divisions FeatureSet and get intersected incidents for each
for(var d in divisions) {
var inc_count = Count(Intersects(d, incidents))

Console('There are currently ' + inc_count + ' incidents in ')
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2 Replies
MVP Esteemed Contributor

Where are you using this expression? Is it for a Dashboard? Beyond the count, what else are you looking to show?

- Josh Carlson
Kendall County GIS
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New Contributor III

I'm using this expression in a label. It's in a map used in an Experience Builder. There's more fancy stuff I think about, but this is just to start.

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