topic Remove a levee from a DEM? in 3D Questions https://community.esri.com/t5/3d-questions/remove-a-levee-from-a-dem/m-p/659387#M3941 <HTML><HEAD></HEAD><BODY><SPAN>I have a number of DEM's which have a manmade levee type feature that I want to remove. The feature is clear in the raster (or a tin) but I am not sure how to a) consistently delineate it and b) how to remove it to find the un-leveed surface. If the base of the levee were the same along the whole length, it would be much easier. I could just remove areas above a certain elevation, but the levee base elevation differs. Any thoughts on how this might be acomplished?</SPAN></BODY></HTML> Tue, 19 Feb 2013 18:08:06 GMT TimuGallien 2013-02-19T18:08:06Z Remove a levee from a DEM? https://community.esri.com/t5/3d-questions/remove-a-levee-from-a-dem/m-p/659387#M3941 <HTML><HEAD></HEAD><BODY><SPAN>I have a number of DEM's which have a manmade levee type feature that I want to remove. The feature is clear in the raster (or a tin) but I am not sure how to a) consistently delineate it and b) how to remove it to find the un-leveed surface. If the base of the levee were the same along the whole length, it would be much easier. I could just remove areas above a certain elevation, but the levee base elevation differs. Any thoughts on how this might be acomplished?</SPAN></BODY></HTML> Tue, 19 Feb 2013 18:08:06 GMT https://community.esri.com/t5/3d-questions/remove-a-levee-from-a-dem/m-p/659387#M3941 TimuGallien 2013-02-19T18:08:06Z Re: Remove a levee from a DEM? https://community.esri.com/t5/3d-questions/remove-a-levee-from-a-dem/m-p/659388#M3942 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote">I have a number of DEM's which have a manmade levee type feature that I want to remove. The feature is clear in the raster (or a tin) but I am not sure how to a) consistently delineate it and b) how to remove it to find the un-leveed surface. If the base of the levee were the same along the whole length, it would be much easier. I could just remove areas above a certain elevation, but the levee base elevation differs. Any thoughts on how this might be acomplished?</BLOCKQUOTE><BR /><BR /><SPAN>Do you have the levee recorded as a polygon feature?</SPAN></BODY></HTML> Mon, 25 Feb 2013 23:39:32 GMT https://community.esri.com/t5/3d-questions/remove-a-levee-from-a-dem/m-p/659388#M3942 TimBarnes 2013-02-25T23:39:32Z