[postgis-tickets] [PostGIS] #2951: ST_Centroid for geography

[PostGIS]

#2951: ST_Centroid for geography
--------------------------+---------------------------
  Reporter:  Mike Toews   |      Owner:  robe
      Type:  enhancement  |     Status:  new
  Priority:  medium       |  Milestone:  PostGIS 2.4.0
 Component:  liblwgeom    |    Version:
Resolution:               |   Keywords:
--------------------------+---------------------------

Comment (by robe):

 here is the bt where it comes from centroid:


 {{{
 [Switching to Thread 8460.0x1d80]
 lwpoint_get_y (point=0xc051c8d73f5ce5f6) at lwpoint.c:76
 76              if ( lwpoint_is_empty(point) )
 (gdb) bt
 #0  lwpoint_get_y (point=0xc051c8d73f5ce5f6) at lwpoint.c:76
 #1  0x00000000633f90e0 in geography_centroid_from_mpoly ()
    from
 C:\ming64gcc48\projects\postgresql\rel\pg10w64gcc48\lib\postgis-2.4.dll
 #2  0x00000000633f83ca in geography_centroid ()
    from
 C:\ming64gcc48\projects\postgresql\rel\pg10w64gcc48\lib\postgis-2.4.dll
 #3  0x00000000005aa1ed in ExecInterpExpr (state=0x55998f0,
     econtext=0x55994a0, isnull=<optimized out>) at execExprInterp.c:672
 #4  0x00000000005b3f77 in ExecEvalExprSwitchContext (isNull=0x2e3ec2f "",
     econtext=0x55994a0, state=0x55998f0)
     at ../../../src/include/executor/executor.h:290
 #5  ExecProject (projInfo=0x55998e8)
     at ../../../src/include/executor/executor.h:324
 #6  ExecScan (node=node at entry=0x5599388,
     accessMtd=accessMtd at entry=0x5cffa0 <SeqNext>,
     recheckMtd=recheckMtd at entry=0x5cff90 <SeqRecheck>) at execScan.c:201
 #7  0x00000000005d0033 in ExecSeqScan (node=node at entry=0x5599388)
     at nodeSeqscan.c:130
 #8  0x00000000005b2a78 in ExecProcNode (node=node at entry=0x5599388)
     at execProcnode.c:447
 #9  0x00000000005adb63 in ExecutePlan (execute_once=<optimized out>,
     dest=0x5586590, direction=<optimized out>, numberTuples=0,

 }}}

--
Ticket URL: <https://trac.osgeo.org/postgis/ticket/2951#comment:9>
PostGIS <http://trac.osgeo.org/postgis/>
The PostGIS Trac is used for bug, enhancement & task tracking, a user and developer wiki, and a view into the subversion code repository of PostGIS project.