[postgis-devel] [PostGIS] #240: ST_SimplifyPreserveTopology documentation unclear on intersections within a MultiPolygon

PostGIS trac at osgeo.org
Mon Aug 17 08:21:53 PDT 2009


#240: ST_SimplifyPreserveTopology documentation unclear on intersections within a
MultiPolygon
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  Reporter:  perchrh  |       Owner:  robe         
      Type:  defect   |      Status:  new          
  Priority:  medium   |   Milestone:  postgis 1.5.0
 Component:  postgis  |     Version:               
Resolution:           |    Keywords:               
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Comment (by kneufeld):

 The JTS docs say "The result rings touch at no more than the number of
 touching point in the input (although they may touch at fewer points)".
 So this too is unclear if the preservation occurs at just the polygon
 level or also at the multipolygon level.

 http://tsusiatsoftware.net/jts/javadoc/com/vividsolutions/jts/simplify/TopologyPreservingSimplifier.html

 Martin?

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/240#comment:2>
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