topic Re: how can i tilt my DEM? in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/how-can-i-tilt-my-dem/m-p/5356#M94 <HTML><HEAD></HEAD><BODY><P>What is your cell size relative to the feature size?&nbsp; This will be important because if you plan to determine slope SA's surface, slope), then I presume you will have a window of slopes that meet your criteria which you want to extract.</P><P>The elevation difference issue is a bit more complicated since there isn't a 'difference from', but you can determine elevation range within a neighborhood (SA's neighborhood functions). &nbsp;</P><P>The combination of matching slope (and aspect?) and elevation difference for your neighborhood size and shape might lead to a solution.</P><P>But... a picture of your situation might suggest whether manual digitizing would result in better or supportive results.</P></BODY></HTML> Mon, 16 Apr 2018 00:41:36 GMT DanPatterson_Retired 2018-04-16T00:41:36Z how can i tilt my DEM? https://community.esri.com/t5/arcgis-spatial-analyst-questions/how-can-i-tilt-my-dem/m-p/5355#M93 <HTML><HEAD></HEAD><BODY><DIV class=""><P>I'm working on relictic fluvial terraces which have been tilted a few degrees during tectonic exhumation. I want to extract surfaces (terraces) with a certain slope angle and within a certain range of height.</P><P>How can I correct my DEM for this?</P></DIV></BODY></HTML> Sun, 15 Apr 2018 18:29:28 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/how-can-i-tilt-my-dem/m-p/5355#M93 KonstantinHohmann 2018-04-15T18:29:28Z Re: how can i tilt my DEM? https://community.esri.com/t5/arcgis-spatial-analyst-questions/how-can-i-tilt-my-dem/m-p/5356#M94 <HTML><HEAD></HEAD><BODY><P>What is your cell size relative to the feature size?&nbsp; This will be important because if you plan to determine slope SA's surface, slope), then I presume you will have a window of slopes that meet your criteria which you want to extract.</P><P>The elevation difference issue is a bit more complicated since there isn't a 'difference from', but you can determine elevation range within a neighborhood (SA's neighborhood functions). &nbsp;</P><P>The combination of matching slope (and aspect?) and elevation difference for your neighborhood size and shape might lead to a solution.</P><P>But... a picture of your situation might suggest whether manual digitizing would result in better or supportive results.</P></BODY></HTML> Mon, 16 Apr 2018 00:41:36 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/how-can-i-tilt-my-dem/m-p/5356#M94 DanPatterson_Retired 2018-04-16T00:41:36Z