[postgis-tickets] [PostGIS] #3097: ST_Split using MULTILINESTRING blade

PostGIS trac at osgeo.org
Tue Nov 7 05:08:11 PST 2017


#3097: ST_Split using MULTILINESTRING blade
--------------------------+---------------------------
  Reporter:  Mike Toews   |      Owner:  strk
      Type:  enhancement  |     Status:  reopened
  Priority:  medium       |  Milestone:  PostGIS 2.2.0
 Component:  postgis      |    Version:  trunk
Resolution:               |   Keywords:
--------------------------+---------------------------
Changes (by WS90):

 * status:  closed => reopened
 * resolution:  fixed =>


Comment:

 Hello,

 I'm working on Postgis "2.3 USE_GEOS=1 USE_PROJ=1 USE_STATS=1"
 and when I execute the following request :


 {{{
 SELECT ST_AsText(ST_Split(poly, blade))
 FROM (
   SELECT
     'POLYGON((20 30, 100 180, 160 20, 20 30),(70 70, 92 105, 110 50, 70
 70))'::geometry poly,
     'MULTILINESTRING((150 90, 90 70, 60 20),(50 140, 90 70))'::geometry
 blade
 ) f;
 }}}


 I get the error : "Splitting a Polygon by a MultiLineString is
 unsupported"

--
Ticket URL: <https://trac.osgeo.org/postgis/ticket/3097#comment:4>
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