topic Re: Creating 'donut' polygons from existing overlapping polygon feature in Data Management Questions https://community.esri.com/t5/data-management-questions/creating-donut-polygons-from-existing-overlapping/m-p/202929#M11637 <HTML><HEAD></HEAD><BODY><SPAN>You could apply the Erase tool iteratively. From what I understand you have a bunch of layers, each on larger than the last. If you start with the deepest layer, use that to cut a hole in the next layer up so on and so forth. Should work?</SPAN></BODY></HTML> Wed, 19 Oct 2011 02:31:39 GMT SamCoggins1 2011-10-19T02:31:39Z Creating 'donut' polygons from existing overlapping polygon feature https://community.esri.com/t5/data-management-questions/creating-donut-polygons-from-existing-overlapping/m-p/202928#M11636 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>Is there an easy way to create 'donut' polygons from my current 'stacked' polygon feature class?</SPAN><BR /><BR /><SPAN>I am working on a bathymetric (lake) map and need to find the total acres at certain depths within the lake.&nbsp; I currently have a polygon feature class symbolized by the depth attribute.&nbsp; However, since the different polygons are stacked on top of each other, the acreage is incorrect.&nbsp; Is there an easy/fast way to clip or intersect the polygon to create donuts, while keeping the correct depth attribute?</SPAN><BR /><BR /><SPAN>I have access to ArcInfo 9.2 and ArcInfo 10.</SPAN><BR /><BR /><SPAN>Thanks!</SPAN><BR /><SPAN>Melissa</SPAN></BODY></HTML> Mon, 17 Oct 2011 17:19:54 GMT https://community.esri.com/t5/data-management-questions/creating-donut-polygons-from-existing-overlapping/m-p/202928#M11636 M_M 2011-10-17T17:19:54Z Re: Creating 'donut' polygons from existing overlapping polygon feature https://community.esri.com/t5/data-management-questions/creating-donut-polygons-from-existing-overlapping/m-p/202929#M11637 <HTML><HEAD></HEAD><BODY><SPAN>You could apply the Erase tool iteratively. From what I understand you have a bunch of layers, each on larger than the last. If you start with the deepest layer, use that to cut a hole in the next layer up so on and so forth. Should work?</SPAN></BODY></HTML> Wed, 19 Oct 2011 02:31:39 GMT https://community.esri.com/t5/data-management-questions/creating-donut-polygons-from-existing-overlapping/m-p/202929#M11637 SamCoggins1 2011-10-19T02:31:39Z