Save the edits and stop the editing session.In the Paste dialog box, select the polyline shapefile as the Target and click OK.Right-click the selected features again and click Paste.In the map frame, right-click one of the selected polygon features and click Copy.In the Editor toolbar, select the Edit Tool.In the attribute table, click Table Options > Select All.Right-click the polygon shapefile in Table Of Contents and click Open Attribute Table.Start an editing session to edit the shapefiles.The new polyline shapefile is created and displayed in Table Of Contents. For the Coordinate System, select the same coordinate system as the polygon shapefile and click OK.For the Has M and Has Z fields, select SAME_AS_TEMPLATE.In Template Feature Class, select the polygon shapefile. Under the Feature Class Location field in the Create Feature Class box, specify the output geodatabase or folder for the polygon feature class. In ArcToolbox, navigate to Data Management Tools > Feature Class > Create Feature Class.In ArcMap and ArcGIS Pro, the polygon and polyline shapefiles or feature classes must be stored in the same location to enable copying and pasting features. Procedureīelow are the steps to convert polygons to polylines in ArcMap or ArcGIS Pro: Note: These tools are only available with the ArcGIS Desktop Advanced license. Polygons can be converted to polylines using the Polygon To Line or Feature To Line tools. In this article, polygons are converted to polylines by copying and pasting them in a polyline shapefile. All shared boundaries become one line segments, and non-shared boundaries another segment. How To: Convert shapefile polygons to polylines Summaryįor a variety of mapping and analytical reasons, converting polygons to polylines (and vice-versa) is a useful workflow in ArcGIS.
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