Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>Building roof outlines based on 2015 imagery. Update Areas of Change (AoC) identified from 2015 imagery, AoCs reviewed & accepted by Seattle Public Utilities. Update feature collection done in stereo with 2015 imagery. Original 2012 data removed from identified AoCs, newly collected 2015 data merged back into dataset. All data within 2015 AoCs is given an attribute of "2015" in the "YearUpdated" attribute field. Attribution includes updated building structures apex roof heights.</SPAN></P></DIV></DIV></DIV>
Description: <DIV STYLE="text-align:Left;"><DIV><P><SPAN>Building roof outlines from 2009. Outlines based on the information visible in the vertical aerial photos. In the downtown area, building outlines will either be modified versions of the 2005 outlines or created directly from 2009 imagery. Due to the height of the buildings in the downtown region, building lean in the tiles will make it difficult to create accurate building outlines. The accuracy of the building outlines in the downtown area cannot be guaranteed</SPAN></P></DIV></DIV>