topic Re: how to filter a minimum area size? in Spatial Data Science Questions https://community.esri.com/t5/spatial-data-science-questions/how-to-filter-a-minimum-area-size/m-p/303833#M678 <HTML><HEAD></HEAD><BODY><P>Hi David,</P><P></P><P>Make sure the spatial reference is in Projected coordinate system. If the output of your site suitability analysis is vector layer, you could filter the polygons using <STRONG>Definition Query</STRONG>.</P><P>e.g.: If the unit of the reference system is meters,</P><P>Go to Layer Properties &gt; Definition Query. Click Query Builder. Write the following query</P><P>Edited: <STRONG>'Shape_Area' &gt; 10000</STRONG></P></BODY></HTML> Fri, 08 May 2015 10:36:39 GMT JayantaPoddar 2015-05-08T10:36:39Z how to filter a minimum area size? https://community.esri.com/t5/spatial-data-science-questions/how-to-filter-a-minimum-area-size/m-p/303831#M676 <HTML><HEAD></HEAD><BODY><P>I 'm making a site suitability analysis with several layer, but i don't know how to restrict the areas what are smaller than 1ha.</P></BODY></HTML> Fri, 08 May 2015 08:18:21 GMT https://community.esri.com/t5/spatial-data-science-questions/how-to-filter-a-minimum-area-size/m-p/303831#M676 DavidGregor1 2015-05-08T08:18:21Z Re: how to filter a minimum area size? https://community.esri.com/t5/spatial-data-science-questions/how-to-filter-a-minimum-area-size/m-p/303832#M677 <HTML><HEAD></HEAD><BODY><P>What software?&nbsp; If ArcMap and you are doing this with the spatial analyst extension, you can do this with the raster calculator expression if you know the cell size .&nbsp; You can query for areas less than that threshold.&nbsp; If you have many areas that belong to that class, you will need to perform a RegionGroup first to delineate unique areas then query for the threshold.</P></BODY></HTML> Fri, 08 May 2015 09:48:35 GMT https://community.esri.com/t5/spatial-data-science-questions/how-to-filter-a-minimum-area-size/m-p/303832#M677 DanPatterson_Retired 2015-05-08T09:48:35Z Re: how to filter a minimum area size? https://community.esri.com/t5/spatial-data-science-questions/how-to-filter-a-minimum-area-size/m-p/303833#M678 <HTML><HEAD></HEAD><BODY><P>Hi David,</P><P></P><P>Make sure the spatial reference is in Projected coordinate system. If the output of your site suitability analysis is vector layer, you could filter the polygons using <STRONG>Definition Query</STRONG>.</P><P>e.g.: If the unit of the reference system is meters,</P><P>Go to Layer Properties &gt; Definition Query. Click Query Builder. Write the following query</P><P>Edited: <STRONG>'Shape_Area' &gt; 10000</STRONG></P></BODY></HTML> Fri, 08 May 2015 10:36:39 GMT https://community.esri.com/t5/spatial-data-science-questions/how-to-filter-a-minimum-area-size/m-p/303833#M678 JayantaPoddar 2015-05-08T10:36:39Z