ArcGIS Pro Fill Layer Effect - Invert

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05-01-2019 09:12 AM
Status: Open
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MatthewMiles2
New Contributor II

This one's a bit of a weird idea, but bear with me. Basically, I'd like to see a polygon fill layer effect that reverses the fill, globally covering the area around a polygon with a hole where the polygon is.

I came up with this thought while applying some of the design techniques in a couple (awesome) John Nelson posts here and here, where he created a visual mask for a map by creating a layer showing every state except Wyoming in a transparent white over a basemap.

In my case, the map I was trying to create didn't have any polygons except for the AOI I wanted the mask around - there were no other polygons to create the mask from. I got around this by taking a global polygon dataset in another Cartography blog post, copying it to my organization's SDE, and creating a Query Layer to generate a polygon covering the entire Earth minus that outline and drawing the mask. During this process I thought it would be so much easier if I could just do all that with a layer effect in Pro.

1 Comment
mapping_gnome

We definitely need this! There is a QGIS tool called inverted polygon which does what you're describing, but nothing I've been able to find in Arcpro.