[postgis-tickets] [PostGIS] #3264: Spurious edges in ST_ApproximateMedialAxis
PostGIS
trac at osgeo.org
Tue Aug 25 05:34:06 PDT 2015
#3264: Spurious edges in ST_ApproximateMedialAxis
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Reporter: strk | Owner: strk
Type: defect | Status: new
Priority: medium | Milestone: PostGIS 2.2.0
Component: postgis | Version: trunk
Resolution: | Keywords:
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Comment (by strk):
Pre-simplifying input to skeletin is suggested as being a good idea by
Fernando Cacciola of CGAL:
https://github.com/CGAL/cgal/issues/123#issuecomment-112911320
Distance from the contour is not constant: the data I'm using is about
rivers and along this specific river there are legit medial axis that are
1mt away from border while the offending one in the picture is 10mt away
(so the local area shown in picture would have an average of 20mt
distance).
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3264#comment:4>
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