topic Re: Find nearest cell with 5' higher than the elevation of points in 3D Questions https://community.esri.com/t5/3d-questions/find-nearest-cell-with-5-higher-than-the-elevation/m-p/447801#M2689 <HTML><HEAD></HEAD><BODY><P>hmmm. convert polygon to raster.&nbsp; keep the extents the same, cell size the same, snap raster the dem, then subtract the two, query for cells that exceed your threshold</P></BODY></HTML> Sun, 21 Jun 2020 23:48:20 GMT DanPatterson 2020-06-21T23:48:20Z Find nearest cell with 5' higher than the elevation of points https://community.esri.com/t5/3d-questions/find-nearest-cell-with-5-higher-than-the-elevation/m-p/447800#M2688 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P>I have a 2D polygon file and an EDM file.&nbsp; I already converted that 2D polygon to 3D polygon with Z value from the EDM surface elevation.&nbsp; Now I want to create another polygon file based on that 3D polygon file with the elevation of each vertice 5-foot higher than the original one&nbsp;lying on that EDM surface.&nbsp; I am sorry I cannot explain it very well.</P><P>Maybe I should put it this way:&nbsp; I want to find the nearest grid cell that has an elevation 5-foot higher than the elevation of each vertice of the polygons.&nbsp; Thanks.</P></BODY></HTML> Sun, 21 Jun 2020 21:57:39 GMT https://community.esri.com/t5/3d-questions/find-nearest-cell-with-5-higher-than-the-elevation/m-p/447800#M2688 StephenMau 2020-06-21T21:57:39Z Re: Find nearest cell with 5' higher than the elevation of points https://community.esri.com/t5/3d-questions/find-nearest-cell-with-5-higher-than-the-elevation/m-p/447801#M2689 <HTML><HEAD></HEAD><BODY><P>hmmm. convert polygon to raster.&nbsp; keep the extents the same, cell size the same, snap raster the dem, then subtract the two, query for cells that exceed your threshold</P></BODY></HTML> Sun, 21 Jun 2020 23:48:20 GMT https://community.esri.com/t5/3d-questions/find-nearest-cell-with-5-higher-than-the-elevation/m-p/447801#M2689 DanPatterson 2020-06-21T23:48:20Z