topic Re: Watersheds, using DEM and stormwater network in ArcGIS Network Analyst Questions https://community.esri.com/t5/arcgis-network-analyst-questions/watersheds-using-dem-and-stormwater-network/m-p/30792#M295 <HTML><HEAD></HEAD><BODY><SPAN>I supported such a project some years ago and recall doing exactly that.&nbsp; Because the drainage follows your stormwater network, the DEM should be forced to comply with the network.</SPAN></BODY></HTML> Thu, 20 Dec 2012 15:16:04 GMT MarkEllis 2012-12-20T15:16:04Z Watersheds, using DEM and stormwater network https://community.esri.com/t5/arcgis-network-analyst-questions/watersheds-using-dem-and-stormwater-network/m-p/30791#M294 <HTML><HEAD></HEAD><BODY><SPAN>Hi all</SPAN><BR /><SPAN>I would like to generate watersheds for an area using the tools in spatial analyst. The area is situated in a city where there is a stormwater network that will influence on the catchment areas. </SPAN><BR /><SPAN>Would it be correct to use the raster calculator to combine the DEM with the storm water pipes? Or should you solved this in another way?</SPAN></BODY></HTML> Wed, 19 Dec 2012 14:19:46 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/watersheds-using-dem-and-stormwater-network/m-p/30791#M294 LindaJohansson 2012-12-19T14:19:46Z Re: Watersheds, using DEM and stormwater network https://community.esri.com/t5/arcgis-network-analyst-questions/watersheds-using-dem-and-stormwater-network/m-p/30792#M295 <HTML><HEAD></HEAD><BODY><SPAN>I supported such a project some years ago and recall doing exactly that.&nbsp; Because the drainage follows your stormwater network, the DEM should be forced to comply with the network.</SPAN></BODY></HTML> Thu, 20 Dec 2012 15:16:04 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/watersheds-using-dem-and-stormwater-network/m-p/30792#M295 MarkEllis 2012-12-20T15:16:04Z Re: Watersheds, using DEM and stormwater network https://community.esri.com/t5/arcgis-network-analyst-questions/watersheds-using-dem-and-stormwater-network/m-p/30793#M296 <HTML><HEAD></HEAD><BODY><SPAN>Thank you a lot for your answere!</SPAN></BODY></HTML> Thu, 20 Dec 2012 15:17:57 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/watersheds-using-dem-and-stormwater-network/m-p/30793#M296 LindaJohansson 2012-12-20T15:17:57Z Re: Watersheds, using DEM and stormwater network https://community.esri.com/t5/arcgis-network-analyst-questions/watersheds-using-dem-and-stormwater-network/m-p/30794#M297 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote">Hi all<BR />I would like to generate watersheds for an area using the tools in spatial analyst. The area is situated in a city where there is a stormwater network that will influence on the catchment areas. <BR />Would it be correct to use the raster calculator to combine the DEM with the storm water pipes? Or should you solved this in another way?</BLOCKQUOTE><BR /><BR /><SPAN>In my experience doing this, I have used the storm drainage network as cutlines to my DEM.&nbsp; I use GeoHMS (free) to do this.</SPAN></BODY></HTML> Thu, 20 Dec 2012 15:49:13 GMT https://community.esri.com/t5/arcgis-network-analyst-questions/watersheds-using-dem-and-stormwater-network/m-p/30794#M297 AndrewMoffitt 2012-12-20T15:49:13Z