topic Finding reflectivty of rooftops in Data Management Questions https://community.esri.com/t5/data-management-questions/finding-reflectivty-of-rooftops/m-p/423141#M24155 <HTML><HEAD></HEAD><BODY><SPAN>I am working with high-res, multispectral band imagery (with R,G,B, Near IR bands). I want to be able to find the surface reflectivity of just roofs, specifically contained within the rooftop outline shapefile I have. </SPAN><BR /><BR /><SPAN>I am not exactly sure which tools I need to contain the imagery pixels (in .tiff format) within the shapefile, and how to represent an average pixel (reflectance) value for the rooftop itself.</SPAN><BR /><BR /><SPAN>Can anyone offer me some advice, or a place to start!</SPAN><BR /><SPAN>Thanks</SPAN></BODY></HTML> Mon, 24 Oct 2011 23:50:10 GMT jordanwoods 2011-10-24T23:50:10Z Finding reflectivty of rooftops https://community.esri.com/t5/data-management-questions/finding-reflectivty-of-rooftops/m-p/423141#M24155 <HTML><HEAD></HEAD><BODY><SPAN>I am working with high-res, multispectral band imagery (with R,G,B, Near IR bands). I want to be able to find the surface reflectivity of just roofs, specifically contained within the rooftop outline shapefile I have. </SPAN><BR /><BR /><SPAN>I am not exactly sure which tools I need to contain the imagery pixels (in .tiff format) within the shapefile, and how to represent an average pixel (reflectance) value for the rooftop itself.</SPAN><BR /><BR /><SPAN>Can anyone offer me some advice, or a place to start!</SPAN><BR /><SPAN>Thanks</SPAN></BODY></HTML> Mon, 24 Oct 2011 23:50:10 GMT https://community.esri.com/t5/data-management-questions/finding-reflectivty-of-rooftops/m-p/423141#M24155 jordanwoods 2011-10-24T23:50:10Z Re: Finding reflectivty of rooftops https://community.esri.com/t5/data-management-questions/finding-reflectivty-of-rooftops/m-p/423142#M24156 <HTML><HEAD></HEAD><BODY><SPAN>I am working in ArcMap10</SPAN></BODY></HTML> Mon, 24 Oct 2011 23:52:07 GMT https://community.esri.com/t5/data-management-questions/finding-reflectivty-of-rooftops/m-p/423142#M24156 jordanwoods 2011-10-24T23:52:07Z Re: Finding reflectivty of rooftops https://community.esri.com/t5/data-management-questions/finding-reflectivty-of-rooftops/m-p/423143#M24157 <HTML><HEAD></HEAD><BODY><SPAN>Have a look at the </SPAN><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Zonal_Statistics_as_Table/009z000000w8000000/">Zonal Statistics as Table </A><SPAN>tool in Spatial Analyst.&nbsp; Your roofs shapefile would be the zones.&nbsp; The tool inputs single band rasters, so you'll have to run it on each band seperately, then collate the results into a single table via joins.</SPAN><BR /><BR /><SPAN>Eric</SPAN></BODY></HTML> Tue, 25 Oct 2011 16:40:09 GMT https://community.esri.com/t5/data-management-questions/finding-reflectivty-of-rooftops/m-p/423143#M24157 EricRice 2011-10-25T16:40:09Z