[postgis-tickets] [PostGIS] #3664: st_curvetoline turns arcs into circles

[PostGIS]

#3664: st_curvetoline turns arcs into circles
---------------------+---------------------------
 Reporter:  mjurce   |      Owner:
     Type:  defect   |     Status:  new
 Priority:  blocker  |  Milestone:  PostGIS 2.3.1
Component:  postgis  |    Version:  2.0.x
 Keywords:  curve    |
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 Hi,
 this geom with last very small arc will be turned to circle, that is
 worng:

 select st_curvetoline(st_geomFromText('MULTICURVE(
 CIRCULARSTRING(2719518.614 1096168.495,2719519.485 1096167.76,2719520.239
 1096166.906),
 CIRCULARSTRING(2719520.239 1096166.906,2719520.463 1096166.411,2719520.559
 1096165.876),
 CIRCULARSTRING(2719520.559 1096165.876,2719520.587 1096164.96,2719520.389
 1096164.066),
 CIRCULARSTRING(2719520.389 1096164.066,2719520.388 1096164.062,2719520.386
 1096164.059)
 )'))

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3664>
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