topic Create stream polylines - already have a DEM in 3D Questions https://community.esri.com/t5/3d-questions/create-stream-polylines-already-have-a-dem/m-p/722742#M4336 <HTML><HEAD></HEAD><BODY><SPAN>Original User: agnar</SPAN><BR /><BR /><SPAN>The Topo2Raster Tool allows you to create a DEM from vector features, and as a byproduct, also allows you to create a stream polyline feature.</SPAN><BR /><BR /><SPAN>But I already have a DEM, how can I create stream polyline features from it?</SPAN></BODY></HTML> Sun, 19 Jun 2011 18:57:50 GMT Anonymous User 2011-06-19T18:57:50Z Create stream polylines - already have a DEM https://community.esri.com/t5/3d-questions/create-stream-polylines-already-have-a-dem/m-p/722742#M4336 <HTML><HEAD></HEAD><BODY><SPAN>Original User: agnar</SPAN><BR /><BR /><SPAN>The Topo2Raster Tool allows you to create a DEM from vector features, and as a byproduct, also allows you to create a stream polyline feature.</SPAN><BR /><BR /><SPAN>But I already have a DEM, how can I create stream polyline features from it?</SPAN></BODY></HTML> Sun, 19 Jun 2011 18:57:50 GMT https://community.esri.com/t5/3d-questions/create-stream-polylines-already-have-a-dem/m-p/722742#M4336 Anonymous User 2011-06-19T18:57:50Z Re: Create stream polylines - already have a DEM https://community.esri.com/t5/3d-questions/create-stream-polylines-already-have-a-dem/m-p/722743#M4337 <HTML><HEAD></HEAD><BODY><SPAN>Agnar,</SPAN><BR /><BR /><SPAN>You need Spatial Analyst.&nbsp; Here is a good starting point. </SPAN><BR /><BR /><SPAN> </SPAN><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/An_overview_of_the_Hydrology_tools/009z0000004w000000/">An overview of the Hydrology toolset</A><BR /><BR /><SPAN>Regards,</SPAN><BR /><SPAN>Eric</SPAN></BODY></HTML> Mon, 20 Jun 2011 16:08:40 GMT https://community.esri.com/t5/3d-questions/create-stream-polylines-already-have-a-dem/m-p/722743#M4337 EricRice 2011-06-20T16:08:40Z