topic moving window to sum line lengths in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/moving-window-to-sum-line-lengths/m-p/677487#M9866 <HTML><HEAD></HEAD><BODY><SPAN>Hi All,</SPAN><BR /><BR /><SPAN>Curious if there's an approach to generate a raster via a moving window that sums the length of polylines within a circular neighborhood?&nbsp; In -line statistics-, it appears that it calculates line length under statistic mean (see below), yet does not have a statistic that simply reports line length?&nbsp; I thought about converting lines to raster with a fixed value, and using neighborhood stats to sum the pixels but I'd lose a lot of information with this approach (i.e. varying lengths of line in any given pixel with the presence of a line).&nbsp;&nbsp; Any help is greatly appreciated!</SPAN><BR /><BR /><SPAN>Cheers,</SPAN><BR /><SPAN>jason</SPAN><BR /><BR /><BR /><SPAN>MEAN ??? Calculates the average field value in each neighborhood, weighted by the length.The form of the calculation is:</SPAN><BR /><SPAN>Mean = (sum of (length * field_value)) / (sum_of_length) </SPAN><BR /><SPAN>Only the part of the length that falls within the neighborhood is used.</SPAN></BODY></HTML> Tue, 27 Sep 2011 20:11:25 GMT JasonTack 2011-09-27T20:11:25Z moving window to sum line lengths https://community.esri.com/t5/arcgis-spatial-analyst-questions/moving-window-to-sum-line-lengths/m-p/677487#M9866 <HTML><HEAD></HEAD><BODY><SPAN>Hi All,</SPAN><BR /><BR /><SPAN>Curious if there's an approach to generate a raster via a moving window that sums the length of polylines within a circular neighborhood?&nbsp; In -line statistics-, it appears that it calculates line length under statistic mean (see below), yet does not have a statistic that simply reports line length?&nbsp; I thought about converting lines to raster with a fixed value, and using neighborhood stats to sum the pixels but I'd lose a lot of information with this approach (i.e. varying lengths of line in any given pixel with the presence of a line).&nbsp;&nbsp; Any help is greatly appreciated!</SPAN><BR /><BR /><SPAN>Cheers,</SPAN><BR /><SPAN>jason</SPAN><BR /><BR /><BR /><SPAN>MEAN ??? Calculates the average field value in each neighborhood, weighted by the length.The form of the calculation is:</SPAN><BR /><SPAN>Mean = (sum of (length * field_value)) / (sum_of_length) </SPAN><BR /><SPAN>Only the part of the length that falls within the neighborhood is used.</SPAN></BODY></HTML> Tue, 27 Sep 2011 20:11:25 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/moving-window-to-sum-line-lengths/m-p/677487#M9866 JasonTack 2011-09-27T20:11:25Z