topic Viewshed with building in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/viewshed-with-building/m-p/269754#M3849 <HTML><HEAD></HEAD><BODY><P>The common way to include buildings in a viewshed analysis is to translate the buildings into raster, then add it to the original DTM to get a new DTM with building and then run the analysis on the new DTM.</P><P>The problem with this is that most DTM is low resolution (10 meter is good dtm for most areas).</P><P>The vector data is in better accuracy.</P><P>You need to resample you 10 meter raster into 1 meter raster (100 times bigger) to get good results.&nbsp;</P><P>Is there any other option? Do you think putting an idea in esri site to include polygon layer in the viewshed is a good idea?</P></BODY></HTML> Mon, 24 Aug 2020 10:00:13 GMT ModyBuchbinder 2020-08-24T10:00:13Z Viewshed with building https://community.esri.com/t5/arcgis-spatial-analyst-questions/viewshed-with-building/m-p/269754#M3849 <HTML><HEAD></HEAD><BODY><P>The common way to include buildings in a viewshed analysis is to translate the buildings into raster, then add it to the original DTM to get a new DTM with building and then run the analysis on the new DTM.</P><P>The problem with this is that most DTM is low resolution (10 meter is good dtm for most areas).</P><P>The vector data is in better accuracy.</P><P>You need to resample you 10 meter raster into 1 meter raster (100 times bigger) to get good results.&nbsp;</P><P>Is there any other option? Do you think putting an idea in esri site to include polygon layer in the viewshed is a good idea?</P></BODY></HTML> Mon, 24 Aug 2020 10:00:13 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/viewshed-with-building/m-p/269754#M3849 ModyBuchbinder 2020-08-24T10:00:13Z