https://community.esri.com/t5/arcgis-pro-questions/how-to-determine-if-two-sets-of-polygons-are/m-p/1376850#M78192 <P>If you want to know all the neighbors for all your polygons, then look at</P><P><A href="https://pro.arcgis.com/en/pro-app/latest/tool-reference/analysis/how-polygonneighbors-analysis-works.htm" target="_blank">How Polygon Neighbors Works—ArcGIS Pro | Documentation</A></P><P>you can probably ignore the geometry output stuff since you don't need it.</P><P>Alternatives are spatial joins, near as table (using the same file for both inputs)</P><P><A href="https://pro.arcgis.com/en/pro-app/latest/tool-reference/analysis/generate-near-table.htm" target="_blank">Generate Near Table (Analysis)—ArcGIS Pro | Documentation</A></P><P>It really depends on what you actually need... assuming that it isn't as simple as finding those two Tract ID s in the table and selecting them and looking at it in the map to see if they are adjacent</P> Thu, 01 Feb 2024 01:29:07 GMT DanPatterson 2024-02-01T01:29:07Z https://community.esri.com/t5/arcgis-pro-questions/how-to-determine-if-two-sets-of-polygons-are/m-p/1376810#M78183 <P>Hi everyone,</P><P>&nbsp;</P><P>I have a geodatabase table containing subject ID, Census Tract ID 1, and Census Tract ID 2. How can I know if the two census tracts are adjacent or not?&nbsp;</P><P>For example</P><P>subject ID | Tract ID 1 | Tract ID 2</P><P>1001 |&nbsp;<SPAN>48201223100 |&nbsp;48201250100</SPAN></P><P><SPAN>How do I find out if&nbsp;48201223100 and 48201250100 are adjacent or not?&nbsp;</SPAN></P><P>&nbsp;</P><P>Thanks!</P> Wed, 31 Jan 2024 22:47:36 GMT https://community.esri.com/t5/arcgis-pro-questions/how-to-determine-if-two-sets-of-polygons-are/m-p/1376810#M78183 tutu 2024-01-31T22:47:36Z https://community.esri.com/t5/arcgis-pro-questions/how-to-determine-if-two-sets-of-polygons-are/m-p/1376850#M78192 <P>If you want to know all the neighbors for all your polygons, then look at</P><P><A href="https://pro.arcgis.com/en/pro-app/latest/tool-reference/analysis/how-polygonneighbors-analysis-works.htm" target="_blank">How Polygon Neighbors Works—ArcGIS Pro | Documentation</A></P><P>you can probably ignore the geometry output stuff since you don't need it.</P><P>Alternatives are spatial joins, near as table (using the same file for both inputs)</P><P><A href="https://pro.arcgis.com/en/pro-app/latest/tool-reference/analysis/generate-near-table.htm" target="_blank">Generate Near Table (Analysis)—ArcGIS Pro | Documentation</A></P><P>It really depends on what you actually need... assuming that it isn't as simple as finding those two Tract ID s in the table and selecting them and looking at it in the map to see if they are adjacent</P> Thu, 01 Feb 2024 01:29:07 GMT https://community.esri.com/t5/arcgis-pro-questions/how-to-determine-if-two-sets-of-polygons-are/m-p/1376850#M78192 DanPatterson 2024-02-01T01:29:07Z https://community.esri.com/t5/arcgis-pro-questions/how-to-determine-if-two-sets-of-polygons-are/m-p/1376866#M78193 <P>Thank you for your reply!</P><P>The table has over 800 records and I need to figure out if the census tracts are adjacent for each subject. It will take a lot of time and energy to go through them manually so I wonder if there is another way.</P> Thu, 01 Feb 2024 02:35:15 GMT https://community.esri.com/t5/arcgis-pro-questions/how-to-determine-if-two-sets-of-polygons-are/m-p/1376866#M78193 tutu 2024-02-01T02:35:15Z https://community.esri.com/t5/arcgis-pro-questions/how-to-determine-if-two-sets-of-polygons-are/m-p/1376871#M78197 <P>Yes... the links I sent you are options.&nbsp; Have a look at them and decide what is appropriate for your situation.</P> Thu, 01 Feb 2024 03:23:22 GMT https://community.esri.com/t5/arcgis-pro-questions/how-to-determine-if-two-sets-of-polygons-are/m-p/1376871#M78197 DanPatterson 2024-02-01T03:23:22Z