[postgis-tickets] [PostGIS] #4398: A function to smooth the linestring without losing vertices

[PostGIS]

#4398: A function to smooth the linestring without losing vertices
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 Reporter:  komzpa       |      Owner:  komzpa
     Type:  enhancement  |     Status:  assigned
 Priority:  medium       |  Milestone:  PostGIS 3.0.0
Component:  postgis      |    Version:  trunk
 Keywords:               |
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 ST_ChaikinSmoothing looks good but does not preserve vertices. When using
 to smooth contour lines obtained by ST_LocateBetweenElevations though,
 vertices are the values we are most sure about, so these should be kept
 and instead intermediate interpolations should be added.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4398>
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