[postgis-tickets] [PostGIS] #3719: Error: Invalid number of points in LinearRing

PostGIS trac at osgeo.org
Mon Oct 16 08:54:10 PDT 2017


#3719: Error: Invalid number of points in LinearRing
-------------------------+---------------------------
  Reporter:  tiiipponen  |      Owner:  pramsey
      Type:  defect      |     Status:  new
  Priority:  medium      |  Milestone:  PostGIS 2.3.4
 Component:  postgis     |    Version:  2.3.x
Resolution:              |   Keywords:
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Comment (by tiiipponen):

 {{{
 This is not fixed yet?

 #3772 doesn't really solve this ticket.
 Especially when same tolerance values and types should handle both big and
 small arcs in same geometry.

 I think there should be some way to say to stroking function not to create
 straight lines (like in my suggestion there was two tolerance parameters).
 For example flag 4 (in bit 3) that "Never create arcs less than 5
 segments"

 Other option is to have some way to indicate that function should create
 segments internally and intelligently with some rule of arc length and
 angle and maybe tolerance.
 For example tolerance type 3: "Resulting tolerance is created internally
 based on arc length, arc angle and tolerance."
 }}}

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3719#comment:6>
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