[postgis-devel] [PostGIS] #1500: ST_AppendLine(line1, line2, [gap_tolerance]) or ST_MakeLine accepting line input (was: ST_AppendLine(line1, line2, [gap_tolerance]))

PostGIS trac at osgeo.org
Thu Jan 26 00:18:01 PST 2012


#1500: ST_AppendLine(line1, line2, [gap_tolerance]) or ST_MakeLine accepting line
input
-------------------------+--------------------------------------------------
 Reporter:  strk         |       Owner:  pramsey      
     Type:  enhancement  |      Status:  new          
 Priority:  medium       |   Milestone:  PostGIS 2.0.0
Component:  postgis      |     Version:  trunk        
 Keywords:               |  
-------------------------+--------------------------------------------------

Comment(by strk):

 Another idea, which avoids to add yet another signature, could be
 enhancing ST_MakeLine to also accept line inputs. You could then mix
 points and lines in a chain of components for a line.
 In this case the function would always fill the gaps between lines, for
 consistency with what it already does with points. Also it would not drop
 the duplicate vertex at the sewing point.

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/1500#comment:2>
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