topic adding lengths of polylines to an attribute table in Geoprocessing Questions https://community.esri.com/t5/geoprocessing-questions/adding-lengths-of-polylines-to-an-attribute-table/m-p/118700#M4116 <HTML><HEAD></HEAD><BODY><SPAN>Hello,</SPAN><BR /><BR /><SPAN>I am creating a model in which a polyline feature (streams) is intersected with a polygon feature (impervious surface converted to polygons), splitting the polylines into a number of small segments.&nbsp; I used the "multipart to single part" and "feature to line" (unchecking retain attributes) tools to convert the new segments into a set of small polylines without the attributes of the original shapefile, which lists the length of each polyline before being split.&nbsp; What I would like to do now is measure the length of each polyline segment and add that data as a field in the attribute table for the new feature.&nbsp; Is there a way to do this?</SPAN><BR /><BR /><SPAN>Many thanks</SPAN></BODY></HTML> Sat, 05 May 2012 21:25:57 GMT AlecSpangler 2012-05-05T21:25:57Z adding lengths of polylines to an attribute table https://community.esri.com/t5/geoprocessing-questions/adding-lengths-of-polylines-to-an-attribute-table/m-p/118700#M4116 <HTML><HEAD></HEAD><BODY><SPAN>Hello,</SPAN><BR /><BR /><SPAN>I am creating a model in which a polyline feature (streams) is intersected with a polygon feature (impervious surface converted to polygons), splitting the polylines into a number of small segments.&nbsp; I used the "multipart to single part" and "feature to line" (unchecking retain attributes) tools to convert the new segments into a set of small polylines without the attributes of the original shapefile, which lists the length of each polyline before being split.&nbsp; What I would like to do now is measure the length of each polyline segment and add that data as a field in the attribute table for the new feature.&nbsp; Is there a way to do this?</SPAN><BR /><BR /><SPAN>Many thanks</SPAN></BODY></HTML> Sat, 05 May 2012 21:25:57 GMT https://community.esri.com/t5/geoprocessing-questions/adding-lengths-of-polylines-to-an-attribute-table/m-p/118700#M4116 AlecSpangler 2012-05-05T21:25:57Z Re: adding lengths of polylines to an attribute table https://community.esri.com/t5/geoprocessing-questions/adding-lengths-of-polylines-to-an-attribute-table/m-p/118701#M4117 <HTML><HEAD></HEAD><BODY><SPAN>Use the Add Field tool (Data Management toolbox - Fields toolset) to add a double type field.</SPAN><BR /><SPAN>Use the Calculate Field tool (in the same toolset) to calculate shape_length. See examples (ArcGIS 10) here:</SPAN><BR /><A href="http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Calculate_Field_examples/005s0000002m000000/">http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#/Calculate_Field_examples/005s0000002m000000/</A></BODY></HTML> Sun, 06 May 2012 04:39:24 GMT https://community.esri.com/t5/geoprocessing-questions/adding-lengths-of-polylines-to-an-attribute-table/m-p/118701#M4117 DanLee 2012-05-06T04:39:24Z