[postgis-devel] [PostGIS] #670: ST_SharedPaths

[PostGIS]

#670: ST_SharedPaths
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 Reporter:  strk     |       Owner:  strk         
     Type:  defect   |      Status:  new          
 Priority:  medium   |   Milestone:  PostGIS 2.0.0
Component:  postgis  |     Version:  1.5.X        
 Keywords:           |  
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Comment(by strk):

 But could also return a GEOMETRYCOLLECTION with first element being the
 "same" and the second element being the "opposite" dir shared
 MULTILINESTRINGS (which is what GEOS returns).

 This second interface is simpler to implement/maintain and faster (as GEOS
 output is in the GEOMETRYCOLLECTION form already). Also, doesn't prevent
 you to obtain the previous proposed output by use of ST_Dump.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/670#comment:1>
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