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Alteryx Designer Desktop Discussions

Find answers, ask questions, and share expertise about Alteryx Designer Desktop and Intelligence Suite.

Find Nearest Outside of Polygon

JoeMapsG
5 - Atom

Hi,

 

Hopefully someone will be able to help me with the following problem I am trying to solve.

 

I have a list of spatial polygons (town boundaries) and then a separate list of locations (centroids), I would like to find the nearest location that falls outside of each polygon (almost all the polygon contains 1-2 of the location centroids. Therefore I need to find nearest, excluding any points that fall within a polygon.

 

Thanks in advance for any help!

 

Joe

2 REPLIES 2
JosephSerpis
17 - Castor
17 - Castor

HI @JoeMapsG you can use the spatial match tool as a filter to first find the locations that fall inside a ploygon then isolate those records from your list of locations then use a Find the Nearest tool with the remaining list of locations to find the nearest from the points that fall outside of a polygon. 

PhilipMannering
16 - Nebula
16 - Nebula

You could also use the Distance Tool and return a distance of zero if point is within the polygon. Example attached.

 

 

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