topic Re: Adding building heights to DEM in ArcGIS Online Questions https://community.esri.com/t5/arcgis-online-questions/adding-building-heights-to-dem/m-p/92445#M4466 <HTML><HEAD></HEAD><BODY><P>Thanks so much for your help, Dan!!</P><P></P><P>Postdoctoral Fellow 2017-18</P><P>ANAMED, Koç University</P></BODY></HTML> Thu, 28 Dec 2017 09:29:03 GMT LanaRadloff1 2017-12-28T09:29:03Z Adding building heights to DEM https://community.esri.com/t5/arcgis-online-questions/adding-building-heights-to-dem/m-p/92443#M4464 <HTML><HEAD></HEAD><BODY><P>Hi Everyone,</P><P>I was hoping that someone might be able to help me. I am trying to do a viewshed analysis using archaeological data, but the problem is that I want to include hypothetical heights for the fortification walls around a settlement, so that my viewshed analysis takes this into account.</P><P>How do I go about adding these heights to my dem?</P><P>Thanks so much for your help!</P></BODY></HTML> Mon, 25 Dec 2017 13:50:47 GMT https://community.esri.com/t5/arcgis-online-questions/adding-building-heights-to-dem/m-p/92443#M4464 LanaRadloff1 2017-12-25T13:50:47Z Re: Adding building heights to DEM https://community.esri.com/t5/arcgis-online-questions/adding-building-heights-to-dem/m-p/92444#M4465 <HTML><HEAD></HEAD><BODY><P>Add the structures, and <A href="http://desktop.arcgis.com/en/arcmap/latest/extensions/3d-analyst/extruding-features-by-an-attribute-value.htm"><STRONG>extrude the base heights</STRONG></A>is for visualization, but I suspect you are looking for a multipatch and the sections to read are on intervisibility and sight lines in this general area</P><P><A href="http://desktop.arcgis.com/en/arcmap/latest/tools/3d-analyst-toolbox/intervisibility.htm">http://desktop.arcgis.com/en/arcmap/latest/tools/3d-analyst-toolbox/intervisibility.htm</A></P></BODY></HTML> Mon, 25 Dec 2017 14:35:36 GMT https://community.esri.com/t5/arcgis-online-questions/adding-building-heights-to-dem/m-p/92444#M4465 DanPatterson_Retired 2017-12-25T14:35:36Z Re: Adding building heights to DEM https://community.esri.com/t5/arcgis-online-questions/adding-building-heights-to-dem/m-p/92445#M4466 <HTML><HEAD></HEAD><BODY><P>Thanks so much for your help, Dan!!</P><P></P><P>Postdoctoral Fellow 2017-18</P><P>ANAMED, Koç University</P></BODY></HTML> Thu, 28 Dec 2017 09:29:03 GMT https://community.esri.com/t5/arcgis-online-questions/adding-building-heights-to-dem/m-p/92445#M4466 LanaRadloff1 2017-12-28T09:29:03Z