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I've got a polyline network and i'm trying to calculate the number of water (polygon) crossings for each polyline.

I'd like to end up with a count associated with each unique polyline.

Is there an easy way to do this using ArcGIS Pro?

  • The answer will differ between ArcGIS Pro and ArcGIS Desktop 10.0. Which do you want to ask about in this particular question? What have you tried with that? – PolyGeo Nov 2 '17 at 21:43
  • Im using Pro but can also run the model in 10.0. – cbannon Nov 3 '17 at 13:43
  • Since your question has started to attract ArcGIS Pro answers I've removed ArcGIS Desktop 10.0 from its scope. If you need answers about that too then just ask a separate question. – PolyGeo Nov 3 '17 at 19:19
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First I would perform an intersect of water polygons on the polyline network so you would have only the lines that cover water.

Then you can use the Frequency tool (http://pro.arcgis.com/en/pro-app/tool-reference/analysis/frequency.htm) to count how often the unique ID for the polyline occurs, giving you the number of times that unique polyline crosses the water.

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