[postgis-tickets] [PostGIS] #2433: ST_ConcaveHull 2.1 regres failure compared to 2.0.3

[PostGIS]

#2433: ST_ConcaveHull 2.1 regres failure compared to 2.0.3
---------------------+------------------------------------------------------
 Reporter:  robe     |       Owner:  pramsey      
     Type:  defect   |      Status:  new          
 Priority:  high     |   Milestone:  PostGIS 2.1.0
Component:  postgis  |     Version:  2.0.x        
 Keywords:           |  
---------------------+------------------------------------------------------
 This worked in 2.0.3

 {{{
 SELECT ST_ConcaveHull('SRID=4326;MULTIPOINTM(-71.0821 42.3036 1,-71.0821
 67.3036 1,-56.0821 42.3036 1,-56.0821 67.3036 1,-41.0821 42.3036
 1,-41.0821 67.3036 1,-26.0821 42.3036 1,-26.0821 67.3036 1,-11.0821
 42.3036 1,-11.0821 67.3036 1,3.9179 42.3036 1,3.9179 67.3036 1,18.9179
 42.3036 1,18.9179 67.3036 1,33.9179 42.3036 1,33.9179 67.3036 1,48.9179
 42.3036 1,48.9179 67.3036 1,-71.0821 42.3036 2,-71.0821 67.3036 2,-56.0821
 42.3036 2,-56.0821 67.3036 2,-41.0821 42.3036 2,-41.0821 67.3036
 2,-26.0821 42.3036 2,-26.0821 67.3036 2,-11.0821 42.3036 2,-11.0821
 67.3036 2,3.9179 42.3036 2,3.9179 67.3036 2,18.9179 42.3036 2,18.9179
 67.3036 2,33.9179 42.3036 2,33.9179 67.3036 2,48.9179 42.3036 2,48.9179
 67.3036 2)'::geometry
 , 0.5,false)
 }}}

 and gave answer:


 {{{ -- The ST_AsEWKT output
 -- PostgreSQL 9.2.4, compiled by Visual C++ build 1600, 32-bit
 POSTGIS="2.0.3 r11132" GEOS="3.5.0dev-CAPI-1.9.0 r0" PROJ="Rel. 4.8.0, 6
 March 2012" GDAL="GDAL 1.10.0, released 2013/04/24" LIBXML="2.7.8"
 LIBJSON="UNKNOWN" RASTER

 SRID=4326;POLYGON((-71.0821 42.3036,-71.0821 67.3036,48.9179
 67.3036,48.9179 42.3036,-71.0821 42.3036))
 }}}


 Which makes sense if we drop the M as I would expect it to.

 In 2.1.0 branch

 {{{
 -- PostgreSQL 9.2.4, compiled by Visual C++ build 1600, 32-bit
 POSTGIS="2.1.0rc3 r11766" GEOS="3.5.0dev-CAPI-1.9.0 r0" PROJ="Rel. 4.8.0,
 6 March 2012" GDAL="GDAL 1.10.0, released 2013/04/24" LIBXML="2.7.8"
 LIBJSON="UNKNOWN" RASTER


 ERROR:  Operation on mixed SRID geometries
 CONTEXT:  PL/pgSQL function st_concavehull(geometry,double
 precision,boolean) line 63 at assignment
 ********** Error **********
 }}}

 This could be a bug in my code I suppose that it might be missing
 resetting the SRID but why it worked in 2.0.3 and not in 2.1.0 is a bit
 troubling.

-- 
Ticket URL: <http://trac.osgeo.org/postgis/ticket/2433>
PostGIS <http://trac.osgeo.org/postgis/>
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