Hot Spot/Density-like Analysis for Overlapping Polygons

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09-19-2019 11:31 AM
JasonRogers1
New Contributor III

I have a large dataset of polygons and need to identify the overlaps for two purposes:

1) To create a display similar to a hot spot or density (shows the highest concentrations of polygon coverage).

2) For use in spatial joins with point features in order to answer questions such as: this point was intersected by ## polygons.

The first method I found was to run a Union, then a Dissolve. The problem is that this method takes a LONG time to run, and can actually run out of RAM, even with my 64GB system.

Does anyone have a better methodology?  Thanks for the advice!

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