[Southeast-US] clines from Poly-QGIS help

Newcomb, Doug doug_newcomb at fws.gov
Thu Apr 23 08:25:55 PDT 2015


Kathi,
This looks close.
https://smathermather.wordpress.com/2011/09/16/what-is-the-center-line-of-a-polygon-or-how-to-change-labeling-in-geoserver/

GRASS 7 v.centerline addon looks like it may do the trick as well.
http://trac.osgeo.org/grass/browser/grass-addons/grass7/vector/v.centerline/v.centerline.html

Doug

On Thu, Apr 23, 2015 at 9:38 AM, <kathi at spatialanalysisinc.com> wrote:

> Okay, I have a poly shapefile. I need to create some nice and smoothi-ish
> looking centerlines from it. I’d like to use QGIS.
>
>
>
> There are several ESRI Info level tools that do this, and ET GeoWizards
> will create some for around $250 a license. HOWEVER, my goal is to create
> smooth centerlines without buying either of those tools.
>
>
>
> Can anyone recommend a process in QGIS that will produce something like
> this?
>
>
>
> Thx!
>
>
>
> Kathi Cotney
>
>
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-- 
Doug Newcomb
USFWS
Raleigh, NC
919-856-4520 ext. 14 doug_newcomb at fws.gov
---------------------------------------------------------------------------------------------------------
The opinions I express are my own and are not representative of the
official policy of the U.S.Fish and Wildlife Service or Dept. of the
Interior.   Life is too short for undocumented, proprietary data formats.
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