Bug Number BUG-000084820
Submitted Jan 27, 2015
Modified Aug 14, 2015
Severity Medium
Applies To ArcGIS for Desktop
Version Found 10.3
Prog Language N/A
Server Platform Windows 7
Client Platform Windows 7
Database N/A
Locale N/A
Status Not in Current Product Plan
Version Fixed
SP Fixed

Bug BUG-000084820


Overlapping line segments are not being dissolved in the 'Polygon To Line' tool.

Additional Information

The tool works as designed and as documented. The 6 polygons not only share borders among themselves, but also overlap and share some borders with the larger polygon. The tool reference states: "If a polygon overlaps another polygon, two output lines will be generated representing each crossing boundary twice: the first line will represent the outer boundary of one of the overlapping polygons, therefore, its LEFT_FID is the feature ID of the polygon it crosses and its RIGHT_FID will be its own polygon feature ID; the second line will be in the opposite direction, splitting the other polygon, therefore, its LEFT_FID and RIGHT_FID will be the same as the other polygon feature ID." So the result of PolygonToLine is correct

Alternate Solution

Use the 'Feature To Line' tool without preserving the attributes.