topic Re: Weighted Overlay Tool in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/weighted-overlay-tool/m-p/519832#M7493 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote">Can the weighted overlay tool be used with just Vector data (no raster layers)?&nbsp; For instance I want to prioritize the installation of signaled crosswalks based on proximity to schools, recreational facilities, multifamily housing, etc.</BLOCKQUOTE><BR /><BR /><SPAN>Hi Susan,</SPAN><BR /><BR /><SPAN>The Weighted Overlay analysis only works on raster data:</SPAN><BR /><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#//009z000000rq000000">http://resources.arcgis.com/en/help/main/10.1/index.html#//009z000000rq000000</A><BR /><BR /><SPAN>If you want to perform this analysis in vector format, you will need (preferably) polygon data of all aspects and perform a Union (or multiple unions if you don't have an Advanced/ArcInfo license):</SPAN><BR /><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#//00080000000s000000">http://resources.arcgis.com/en/help/main/10.1/index.html#//00080000000s000000</A><BR /><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#//000800000010000000">http://resources.arcgis.com/en/help/main/10.1/index.html#//000800000010000000</A><BR /><BR /><SPAN>This will result in a polygon layer with smaller polygons and mixed attributes of all your input layers. Then in the attribute table of that feature class, you will have to use field calculations to perform a personalized "weighted overlay". </SPAN><BR /><BR /><SPAN>Can you explain why you want to do this analysis in vector format?</SPAN><BR /><BR /><SPAN>Kind regards,</SPAN><BR /><BR /><SPAN>Xander</SPAN></BODY></HTML> Wed, 18 Sep 2013 06:07:00 GMT XanderBakker 2013-09-18T06:07:00Z Weighted Overlay Tool https://community.esri.com/t5/arcgis-spatial-analyst-questions/weighted-overlay-tool/m-p/519831#M7492 <HTML><HEAD></HEAD><BODY><SPAN>Can the weighted overlay tool be used with just Vector data (no raster layers)?&nbsp; For instance I want to prioritize the installation of signaled crosswalks based on proximity to schools, recreational facilities, multifamily housing, etc.</SPAN></BODY></HTML> Tue, 17 Sep 2013 19:06:45 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/weighted-overlay-tool/m-p/519831#M7492 SusanBien 2013-09-17T19:06:45Z Re: Weighted Overlay Tool https://community.esri.com/t5/arcgis-spatial-analyst-questions/weighted-overlay-tool/m-p/519832#M7493 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote">Can the weighted overlay tool be used with just Vector data (no raster layers)?&nbsp; For instance I want to prioritize the installation of signaled crosswalks based on proximity to schools, recreational facilities, multifamily housing, etc.</BLOCKQUOTE><BR /><BR /><SPAN>Hi Susan,</SPAN><BR /><BR /><SPAN>The Weighted Overlay analysis only works on raster data:</SPAN><BR /><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#//009z000000rq000000">http://resources.arcgis.com/en/help/main/10.1/index.html#//009z000000rq000000</A><BR /><BR /><SPAN>If you want to perform this analysis in vector format, you will need (preferably) polygon data of all aspects and perform a Union (or multiple unions if you don't have an Advanced/ArcInfo license):</SPAN><BR /><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#//00080000000s000000">http://resources.arcgis.com/en/help/main/10.1/index.html#//00080000000s000000</A><BR /><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#//000800000010000000">http://resources.arcgis.com/en/help/main/10.1/index.html#//000800000010000000</A><BR /><BR /><SPAN>This will result in a polygon layer with smaller polygons and mixed attributes of all your input layers. Then in the attribute table of that feature class, you will have to use field calculations to perform a personalized "weighted overlay". </SPAN><BR /><BR /><SPAN>Can you explain why you want to do this analysis in vector format?</SPAN><BR /><BR /><SPAN>Kind regards,</SPAN><BR /><BR /><SPAN>Xander</SPAN></BODY></HTML> Wed, 18 Sep 2013 06:07:00 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/weighted-overlay-tool/m-p/519832#M7493 XanderBakker 2013-09-18T06:07:00Z