topic Setting a threshold for defining 'contiguous' areas in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/setting-a-threshold-for-defining-contiguous-areas/m-p/366288#M5132 <HTML><HEAD></HEAD><BODY><SPAN>Hi all</SPAN><BR /><BR /><SPAN>I want to create a shapefile (and eventually a grid) of contiguous veg areas (will be using area as the final grid output). </SPAN><BR /><BR /><SPAN>That is easy enough to do, except client wants me to set a threshold that any patch joined by a corridor less than 50m wide should be considered non-contiguous. </SPAN><BR /><BR /><SPAN>Does anyone have a simple method that they have used to cut polygons when they are less than 50m wide (or identify if less than 2 pixels if I grid it)? I need to keep the original polygon outlines and areas.</SPAN><BR /><BR /><SPAN>thanks</SPAN><BR /><BR /><SPAN>Simon</SPAN></BODY></HTML> Tue, 15 May 2012 02:50:26 GMT SimonNeville 2012-05-15T02:50:26Z Setting a threshold for defining 'contiguous' areas https://community.esri.com/t5/arcgis-spatial-analyst-questions/setting-a-threshold-for-defining-contiguous-areas/m-p/366288#M5132 <HTML><HEAD></HEAD><BODY><SPAN>Hi all</SPAN><BR /><BR /><SPAN>I want to create a shapefile (and eventually a grid) of contiguous veg areas (will be using area as the final grid output). </SPAN><BR /><BR /><SPAN>That is easy enough to do, except client wants me to set a threshold that any patch joined by a corridor less than 50m wide should be considered non-contiguous. </SPAN><BR /><BR /><SPAN>Does anyone have a simple method that they have used to cut polygons when they are less than 50m wide (or identify if less than 2 pixels if I grid it)? I need to keep the original polygon outlines and areas.</SPAN><BR /><BR /><SPAN>thanks</SPAN><BR /><BR /><SPAN>Simon</SPAN></BODY></HTML> Tue, 15 May 2012 02:50:26 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/setting-a-threshold-for-defining-contiguous-areas/m-p/366288#M5132 SimonNeville 2012-05-15T02:50:26Z Re: Setting a threshold for defining 'contiguous' areas https://community.esri.com/t5/arcgis-spatial-analyst-questions/setting-a-threshold-for-defining-contiguous-areas/m-p/366289#M5133 <HTML><HEAD></HEAD><BODY><BLOCKQUOTE class="jive-quote">Hi all<BR /><BR />I want to create a shapefile (and eventually a grid) of contiguous veg areas (will be using area as the final grid output). <BR /><BR />That is easy enough to do, except client wants me to set a threshold that any patch joined by a corridor less than 50m wide should be considered non-contiguous. <BR /><BR />Does anyone have a simple method that they have used to cut polygons when they are less than 50m wide (or identify if less than 2 pixels if I grid it)? I need to keep the original polygon outlines and areas.<BR /><BR />thanks<BR /><BR />Simon</BLOCKQUOTE><BR /><SPAN> </SPAN><BR /><SPAN>POSTSCRIPT - cancel request: Decided to use Euclidean distance to ID any cell &lt;30m from cleared area. This cuts out the narrow corridors. cheers.</SPAN></BODY></HTML> Tue, 15 May 2012 10:39:14 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/setting-a-threshold-for-defining-contiguous-areas/m-p/366289#M5133 SimonNeville 2012-05-15T10:39:14Z