topic Hot Spot/Density-like Analysis for Overlapping Polygons in ArcGIS Pro Questions https://community.esri.com/t5/arcgis-pro-questions/hot-spot-density-like-analysis-for-overlapping/m-p/717384#M31604 <HTML><HEAD></HEAD><BODY><P>I have a large dataset of polygons and need to identify the overlaps for two purposes:</P><P></P><P>1) To create a display similar to a&nbsp;hot spot or density (shows the highest concentrations of polygon coverage).</P><P></P><P>2) For use in spatial joins with point features in order to answer questions such as: this point was intersected by ## polygons.</P><P></P><P>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.</P><P></P><P>Does anyone have a better methodology?&nbsp; Thanks for the advice!</P></BODY></HTML> Thu, 19 Sep 2019 18:31:12 GMT JasonRogers1 2019-09-19T18:31:12Z Hot Spot/Density-like Analysis for Overlapping Polygons https://community.esri.com/t5/arcgis-pro-questions/hot-spot-density-like-analysis-for-overlapping/m-p/717384#M31604 <HTML><HEAD></HEAD><BODY><P>I have a large dataset of polygons and need to identify the overlaps for two purposes:</P><P></P><P>1) To create a display similar to a&nbsp;hot spot or density (shows the highest concentrations of polygon coverage).</P><P></P><P>2) For use in spatial joins with point features in order to answer questions such as: this point was intersected by ## polygons.</P><P></P><P>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.</P><P></P><P>Does anyone have a better methodology?&nbsp; Thanks for the advice!</P></BODY></HTML> Thu, 19 Sep 2019 18:31:12 GMT https://community.esri.com/t5/arcgis-pro-questions/hot-spot-density-like-analysis-for-overlapping/m-p/717384#M31604 JasonRogers1 2019-09-19T18:31:12Z