Feature request #4936
Ability to flip or reverse direction of a linestring
| Status: | Closed | ||
|---|---|---|---|
| Priority: | Normal | ||
| Assignee: | - | ||
| Category: | Digitising | ||
| Pull Request or Patch supplied: | No | Resolution: | duplicate |
| Easy fix?: | No | Copied to github as #: | 14735 |
Description
As of QGIS 1.7.3, there doesn't appear to be any way to reverse the direction of a linestring (or linear ring).
E.g.:
LINESTRING (140 350, 220 340, 230 370, 280 370, 280 300, 210 260)Reversed:
LINESTRING (210 260, 280 300, 280 370, 230 370, 220 340, 140 350)It would be beneficial to have a Flip1 or Reverse2 button in the "Advanced Digitizing" toolbar.
[1] Term used in Esri's ArcDesktop, see http://webhelp.esri.com/ArcGISDesktop/9.3/index.cfm?TopicName=Flipping_lines
[2] Term used by both JTS and GEOS, see http://geos.refractions.net/ro/doxygen_docs/html/classgeos_1_1geom_1_1LineString.html#a31
History
#1
Updated by Nathan Woodrow about 12 years ago
I wrote a small plugin to do this a while ago, can be found in the Plugin Installer searching for "Swap". I plan on adding this function to the core QGIS code at some stage but no ETA at the moment.
#2
Updated by Giovanni Manghi about 12 years ago
- Target version set to Version 2.0.0
#3
Updated by Pirmin Kalberer over 11 years ago
- Target version changed from Version 2.0.0 to Future Release - Nice to have
#4
Updated by Nyall Dawson over 8 years ago
- Resolution set to duplicate
- Status changed from Open to Closed
Duplicate of #2701