topic Generating polygons/building footprints in Data Management Questions https://community.esri.com/t5/data-management-questions/generating-polygons-building-footprints/m-p/478429#M27247 <HTML><HEAD></HEAD><BODY><SPAN>Someone came to me and said "I saw someone do this; figure out how it works."&nbsp; So now I am trying to figure it out.......</SPAN><BR /><BR /><SPAN>An aerial image of some sort (don't know the file type) was used as the reference layer.&nbsp; A polygon footprint was drawn around each of a couple of the buildings.&nbsp; A button was clicked and the remainder of the building footprints were generated.&nbsp; It could be that it was just an image classification of a very large-scale image, but I don't know.&nbsp; Does anyone know of another method that might generate a building footprint like that?</SPAN><BR /><BR /><SPAN>Thanks in advance.</SPAN></BODY></HTML> Wed, 25 Apr 2012 18:11:24 GMT DebHollon 2012-04-25T18:11:24Z Generating polygons/building footprints https://community.esri.com/t5/data-management-questions/generating-polygons-building-footprints/m-p/478429#M27247 <HTML><HEAD></HEAD><BODY><SPAN>Someone came to me and said "I saw someone do this; figure out how it works."&nbsp; So now I am trying to figure it out.......</SPAN><BR /><BR /><SPAN>An aerial image of some sort (don't know the file type) was used as the reference layer.&nbsp; A polygon footprint was drawn around each of a couple of the buildings.&nbsp; A button was clicked and the remainder of the building footprints were generated.&nbsp; It could be that it was just an image classification of a very large-scale image, but I don't know.&nbsp; Does anyone know of another method that might generate a building footprint like that?</SPAN><BR /><BR /><SPAN>Thanks in advance.</SPAN></BODY></HTML> Wed, 25 Apr 2012 18:11:24 GMT https://community.esri.com/t5/data-management-questions/generating-polygons-building-footprints/m-p/478429#M27247 DebHollon 2012-04-25T18:11:24Z Re: Generating polygons/building footprints https://community.esri.com/t5/data-management-questions/generating-polygons-building-footprints/m-p/478430#M27248 <HTML><HEAD></HEAD><BODY><SPAN>Yes, this sounds like some type of Image Classification.&nbsp; It may be </SPAN><A href="http://www.overwatch.com/products/feature_analyst.php">Feature Analyst</A><SPAN> which is an automated feature extraction extension&nbsp; that enables GIS analyst to rapidly and accurately collect vector&nbsp; feature data from high-resolution satellite and aerial imagery.&nbsp; And there is also the </SPAN><A href="http://www.exelisvis.com/language/en-us/productsservices/envi/envifeatureextractionmodule.aspx">ENVI Feature Extraction Module</A><SPAN>.</SPAN></BODY></HTML> Wed, 25 Apr 2012 18:39:58 GMT https://community.esri.com/t5/data-management-questions/generating-polygons-building-footprints/m-p/478430#M27248 TimothyHales 2012-04-25T18:39:58Z Re: Generating polygons/building footprints https://community.esri.com/t5/data-management-questions/generating-polygons-building-footprints/m-p/478431#M27249 <HTML><HEAD></HEAD><BODY><SPAN>Thanks, Tim.&nbsp; I'll try Feature Analyst to see how that looks.</SPAN></BODY></HTML> Thu, 26 Apr 2012 10:32:44 GMT https://community.esri.com/t5/data-management-questions/generating-polygons-building-footprints/m-p/478431#M27249 DebHollon 2012-04-26T10:32:44Z