[postgis-tickets] [PostGIS] #3355: ST_Intersects() return no result with ST_Segmentize()

PostGIS trac at osgeo.org
Sun Nov 1 20:38:14 PST 2015


#3355: ST_Intersects() return no result with ST_Segmentize()
----------------------+---------------------------
  Reporter:  sdiz     |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  high     |  Milestone:  PostGIS 2.2.1
 Component:  postgis  |    Version:  2.2.x
Resolution:           |   Keywords:
----------------------+---------------------------

Comment (by sdiz):

 The WKB is also the same, but "=" say 'f':

 {{{
 db=> WITH X AS
 db->   ( SELECT 'LINESTRING(124.983539 1.419224,91.181596
 29.647798)'::geography )
 db-> SELECT
 db->   (SELECT * from X),
 db->   ST_Segmentize((SELECT * from X), 47487290),
 db->   (SELECT * from X) = ST_Segmentize((SELECT * from X), 47487290);
 -[ RECORD 1
 ]-+-------------------------------------------------------------------------------------------
 geography     |
 0102000020E610000002000000CBD58F4DF23E5F40412C9B3924B5F63F6745D4449FCB56400A6AF816D6A53D40
 st_segmentize |
 0102000020E610000002000000CBD58F4DF23E5F40412C9B3924B5F63F6745D4449FCB56400A6AF816D6A53D40
 ?column?      | f
 }}}

--
Ticket URL: <https://trac.osgeo.org/postgis/ticket/3355#comment:1>
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