topic Concave Hull polygons from either points or polyline groupings. in Mapping Questions https://community.esri.com/t5/mapping-questions/concave-hull-polygons-from-either-points-or/m-p/394228#M4262 <HTML><HEAD></HEAD><BODY><SPAN>Has anyone managed to successfully create Concave Hull polygons from either polylines or points?</SPAN><BR /><BR /><SPAN>[ATTACH=CONFIG]26913[/ATTACH]</SPAN><BR /><BR /><SPAN>I've spent some time researching the issue and I have yet to find a method that allows you to make them successfully.</SPAN><BR /><BR /><SPAN>The nearest I've got is through the use of the "Aggregate Points" ToolBox in Cartography Tools &gt; Generalization. However, it doesn't allow you the option to 'bound' groups of points/features by attribute. </SPAN><BR /><BR /><SPAN>There is the 'Concave Hull Estimator' tool. Fine, but it neither allows you the option to scale the range or isolate feature clusters by attribute.</SPAN><BR /><BR /><SPAN>Dan Patterson's 'Bounding Containers' script has been mentioned, but on practice, it makes Convex Hull, not Concave Hull. </SPAN><BR /><BR /><SPAN>Does anyone have any suggestions...?</SPAN><BR /><BR /><SPAN>Any help much appreciated.</SPAN></BODY></HTML> Fri, 23 Aug 2013 10:18:13 GMT CliveCartwright 2013-08-23T10:18:13Z Concave Hull polygons from either points or polyline groupings. https://community.esri.com/t5/mapping-questions/concave-hull-polygons-from-either-points-or/m-p/394228#M4262 <HTML><HEAD></HEAD><BODY><SPAN>Has anyone managed to successfully create Concave Hull polygons from either polylines or points?</SPAN><BR /><BR /><SPAN>[ATTACH=CONFIG]26913[/ATTACH]</SPAN><BR /><BR /><SPAN>I've spent some time researching the issue and I have yet to find a method that allows you to make them successfully.</SPAN><BR /><BR /><SPAN>The nearest I've got is through the use of the "Aggregate Points" ToolBox in Cartography Tools &gt; Generalization. However, it doesn't allow you the option to 'bound' groups of points/features by attribute. </SPAN><BR /><BR /><SPAN>There is the 'Concave Hull Estimator' tool. Fine, but it neither allows you the option to scale the range or isolate feature clusters by attribute.</SPAN><BR /><BR /><SPAN>Dan Patterson's 'Bounding Containers' script has been mentioned, but on practice, it makes Convex Hull, not Concave Hull. </SPAN><BR /><BR /><SPAN>Does anyone have any suggestions...?</SPAN><BR /><BR /><SPAN>Any help much appreciated.</SPAN></BODY></HTML> Fri, 23 Aug 2013 10:18:13 GMT https://community.esri.com/t5/mapping-questions/concave-hull-polygons-from-either-points-or/m-p/394228#M4262 CliveCartwright 2013-08-23T10:18:13Z