[PostGIS] #6081: Test failure with SFCGAL 2.3.0

PostGIS trac at osgeo.org
Fri Jun 12 10:47:30 PDT 2026


#6081: Test failure with SFCGAL 2.3.0
----------------------------+-----------------------------
 Reporter:  Bas Couwenberg  |      Owner:  Loïc Bartoletti
     Type:  defect          |     Status:  new
 Priority:  medium          |  Milestone:  PostGIS 3.6.5
Component:  sfcgal          |    Version:  3.6.x
 Keywords:                  |
----------------------------+-----------------------------
 Two tests fail with SFCGAL 2.3.0:
 {{{
  /build/postgis-3.6.4+dfsg/sfcgal/regress/alphashape .. failed (diff
 expected obtained: /tmp/pgis_reg/test_168_diff)
 -----------------------------------------------------------------------------
 --- ./sfcgal/regress/alphashape_expected        2026-06-08
 18:28:56.000000000 +0000
 +++ /tmp/pgis_reg/test_168_out  2026-06-12 17:42:48.730767282 +0000
 @@ -1,4 +1,4 @@
 -CG_AlphaShape_default|POLYGON((8.9 5.3,9.1 5,8.7 4.2,9 3,8.4 1.9,7.8
 1.6,7.3 1.6,6.5 1.6,5.3 1.8,4.3 1.9,3.7 2.3,3 2.2,2.8 3.3,2.3 3.6,2.6
 4.4,2.7 5.4,2.3 6,2.4 6.7,2.7 7.7,2.4 8.2,2.6 8.5,3.4 8.6,3.9 8.8,4.5
 9,4.9 9.5,5.2 9.8,5.7 9.7,6.4 9.7,7.2 9.5,7.6 8.8,7.5 8.4,8.3 7.2,8.5
 7.1,8.8 5.8,8.9 5.3))
 -CG_AlphaShape_hole|POLYGON((8.9 5.3,9.1 5,8.7 4.2,9 3,8.4 1.9,7.8 1.6,7.3
 1.6,6.5 1.6,5.3 1.8,4.3 1.9,3.7 2.3,3 2.2,2.8 3.3,2.3 3.6,2.6 4.4,2.7
 5.4,2.3 6,2.4 6.7,2.7 7.7,2.4 8.2,2.6 8.5,3.4 8.6,3.9 8.8,4.5 9,4.9
 9.5,5.2 9.8,5.7 9.7,6.4 9.7,7.2 9.5,7.6 8.8,7.5 8.4,8.3 7.2,8.5 7.1,8.8
 5.8,8.9 5.3),(3.6 6.1,3.6 6.8,4 7.5,4.3 8,6 8.1,6.8 7.3,7.7 6.7,8.1 6,8.2
 5.4,8.1 4.7,7.8 4.3,7.6 2.7,6.2 2.2,5.4 3.2,4.4 4.2,3.8 4.6,3.6 6.1))
 -CG_OptimalAlphaShape_default|POLYGON((8.9 5.3,9.1 5,8.7 4.2,9 3,8.8
 2.9,8.4 1.9,7.8 1.6,7.3 1.6,6.5 1.6,5.3 1.8,4.3 1.9,3.7 2.3,3 2.2,2.8
 3.3,2.3 3.6,2.6 4.4,2.7 5.4,2.3 6,2.4 6.7,2.7 7.7,2.4 8.2,2.6 8.5,3.4
 8.6,3.9 8.8,4.5 9,4.9 9.5,5.2 9.8,5.7 9.7,6.4 9.7,7.2 9.5,7.6 8.8,7.5
 8.4,7.5 7.7,8.3 7.2,8.5 7.1,8.3 6.4,8.8 5.8,8.9 5.3))
 -CG_OptimalAlphaShape_hole|POLYGON((8.9 5.3,9.1 5,8.7 4.2,9 3,8.8 2.9,8.4
 1.9,7.8 1.6,7.3 1.6,6.5 1.6,5.3 1.8,4.3 1.9,3.7 2.3,3 2.2,2.8 3.3,2.3
 3.6,2.6 4.4,2.7 5.4,2.3 6,2.4 6.7,2.7 7.7,2.4 8.2,2.6 8.5,3.4 8.6,3.9
 8.8,4.5 9,4.9 9.5,5.2 9.8,5.7 9.7,6.4 9.7,7.2 9.5,7.6 8.8,7.5 8.4,7.5
 7.7,8.3 7.2,8.5 7.1,8.3 6.4,8.8 5.8,8.9 5.3),(3.6 6.1,3.6 6.8,4 7.5,4.3
 8,5 8.6,6 8.1,6.8 7.3,7.7 6.7,8.1 6,8.2 5.4,8.1 4.7,7.8 4.3,8.1 2.9,7.6
 2.7,7 2,6.2 2.2,5.5 2.6,5.4 3.2,4.8 3.4,4.4 4.2,3.8 4.6,3.6 6.1))
 +CG_AlphaShape_default|MULTIPOLYGON(((8.9 5.3,8.8 5.8,8.5 7.1,8.3 7.2,7.5
 8.4,7.6 8.8,7.2 9.5,6.4 9.7,5.7 9.7,5.2 9.8,4.9 9.5,4.5 9,3.9 8.8,3.4
 8.6,2.6 8.5,2.4 8.2,2.7 7.7,2.4 6.7,2.3 6,2.7 5.4,2.6 4.4,2.3 3.6,2.8
 3.3,3 2.2,3.7 2.3,4.3 1.9,5.3 1.8,6.5 1.6,7.3 1.6,7.8 1.6,8.4 1.9,9 3,8.7
 4.2,9.1 5,8.9 5.3)))
 +CG_AlphaShape_hole|MULTIPOLYGON(((8.9 5.3,8.8 5.8,8.5 7.1,8.3 7.2,7.5
 8.4,7.6 8.8,7.2 9.5,6.4 9.7,5.7 9.7,5.2 9.8,4.9 9.5,4.5 9,3.9 8.8,3.4
 8.6,2.6 8.5,2.4 8.2,2.7 7.7,2.4 6.7,2.3 6,2.7 5.4,2.6 4.4,2.3 3.6,2.8
 3.3,3 2.2,3.7 2.3,4.3 1.9,5.3 1.8,6.5 1.6,7.3 1.6,7.8 1.6,8.4 1.9,9 3,8.7
 4.2,9.1 5,8.9 5.3),(3.6 6.8,4 7.5,4.3 8,6 8.1,6.8 7.3,7.7 6.7,8.1 6,8.2
 5.4,8.1 4.7,7.8 4.3,7.6 2.7,6.2 2.2,5.4 3.2,4.4 4.2,3.8 4.6,3.6 6.1,3.6
 6.8)))
 +CG_OptimalAlphaShape_default|MULTIPOLYGON(((8.9 5.3,8.8 5.8,8.3 6.4,8.5
 7.1,8.3 7.2,7.5 7.7,7.5 8.4,7.6 8.8,7.2 9.5,6.4 9.7,5.7 9.7,5.2 9.8,4.9
 9.5,4.5 9,3.9 8.8,3.4 8.6,2.6 8.5,2.4 8.2,2.7 7.7,2.4 6.7,2.3 6,2.7
 5.4,2.6 4.4,2.3 3.6,2.8 3.3,3 2.2,3.7 2.3,4.3 1.9,5.3 1.8,6.5 1.6,7.3
 1.6,7.8 1.6,8.4 1.9,8.8 2.9,9 3,8.7 4.2,9.1 5,8.9 5.3)))
 +CG_OptimalAlphaShape_hole|MULTIPOLYGON(((8.9 5.3,8.8 5.8,8.3 6.4,8.5
 7.1,8.3 7.2,7.5 7.7,7.5 8.4,7.6 8.8,7.2 9.5,6.4 9.7,5.7 9.7,5.2 9.8,4.9
 9.5,4.5 9,3.9 8.8,3.4 8.6,2.6 8.5,2.4 8.2,2.7 7.7,2.4 6.7,2.3 6,2.7
 5.4,2.6 4.4,2.3 3.6,2.8 3.3,3 2.2,3.7 2.3,4.3 1.9,5.3 1.8,6.5 1.6,7.3
 1.6,7.8 1.6,8.4 1.9,8.8 2.9,9 3,8.7 4.2,9.1 5,8.9 5.3),(3.6 6.8,4 7.5,4.3
 8,5 8.6,6 8.1,6.8 7.3,7.7 6.7,8.1 6,8.2 5.4,8.1 4.7,7.8 4.3,8.1 2.9,7.6
 2.7,7 2,6.2 2.2,5.5 2.6,5.4 3.2,4.8 3.4,4.4 4.2,3.8 4.6,3.6 6.1,3.6 6.8)))
 -----------------------------------------------------------------------------
 }}}
 {{{
  /build/postgis-3.6.4+dfsg/sfcgal/regress/extrudestraigthskeleton ..
 failed (diff expected obtained: /tmp/pgis_reg/test_170_diff)
 -----------------------------------------------------------------------------
 --- ./sfcgal/regress/extrudestraigthskeleton_expected   2026-06-08
 18:28:56.000000000 +0000
 +++ /tmp/pgis_reg/test_170_out  2026-06-12 17:42:49.070768120 +0000
 @@ -1,4 +1,4 @@
 -Extrude roof|POLYHEDRALSURFACE Z (((4 5 0,5 5 0,4 4 0,4 5 0)),((2 1 0,5 0
 0,0 0 0,2 1 0)),((5 5 0,5 0 0,4 4 0,5 5 0)),((2 1 0,0 0 0,1 1 0,2 1
 0)),((1 2 0,1 1 0,0 0 0,1 2 0)),((0 4 0,2 2 0,1 2 0,0 4 0)),((0 4 0,1 2
 0,0 0 0,0 4 0)),((4 4 0,5 0 0,2 2 0,4 4 0)),((4 4 0,2 2 0,0 4 0,4 4
 0)),((2 2 0,5 0 0,2 1 0,2 2 0)),((0.5 2.5 0.5,0 0 0,0.5 0.5 0.5,0.5 2.5
 0.5)),((1 3 1,0 4 0,0.5 2.5 0.5,1 3 1)),((0.5 2.5 0.5,0 4 0,0 0 0,0.5 2.5
 0.5)),((2.5 0.5 0.5,5 0 0,3.5 1.5 1.5,2.5 0.5 0.5)),((0 0 0,5 0 0,2.5 0.5
 0.5,0 0 0)),((0.5 0.5 0.5,0 0 0,2.5 0.5 0.5,0.5 0.5 0.5)),((4.5 3.5 0.5,5
 5 0,4.5 4.5 0.5,4.5 3.5 0.5)),((3.5 2.5 1.5,3.5 1.5 1.5,4.5 3.5 0.5,3.5
 2.5 1.5)),((4.5 3.5 0.5,5 0 0,5 5 0,4.5 3.5 0.5)),((3.5 1.5 1.5,5 0 0,4.5
 3.5 0.5,3.5 1.5 1.5)),((5 5 0,4 5 0,4.5 4.5 0.5,5 5 0)),((4.5 4.5 0.5,4 4
 0,4.5 3.5 0.5,4.5 4.5 0.5)),((4.5 4.5 0.5,4 5 0,4 4 0,4.5 4.5 0.5)),((3 3
 1,0 4 0,1 3 1,3 3 1)),((3.5 2.5 1.5,4.5 3.5 0.5,3 3 1,3.5 2.5 1.5)),((3 3
 1,4 4 0,0 4 0,3 3 1)),((4.5 3.5 0.5,4 4 0,3 3 1,4.5 3.5 0.5)),((2 1 0,1 1
 0,0.5 0.5 0.5,2 1 0)),((2.5 0.5 0.5,2 1 0,0.5 0.5 0.5,2.5 0.5 0.5)),((1 1
 0,1 2 0,0.5 2.5 0.5,1 1 0)),((0.5 0.5 0.5,1 1 0,0.5 2.5 0.5,0.5 0.5
 0.5)),((1 3 1,2 2 0,3 3 1,1 3 1)),((0.5 2.5 0.5,1 2 0,1 3 1,0.5 2.5
 0.5)),((1 3 1,1 2 0,2 2 0,1 3 1)),((2 2 0,2 1 0,2.5 0.5 0.5,2 2 0)),((3.5
 2.5 1.5,3 3 1,3.5 1.5 1.5,3.5 2.5 1.5)),((3.5 1.5 1.5,2 2 0,2.5 0.5
 0.5,3.5 1.5 1.5)),((3 3 1,2 2 0,3.5 1.5 1.5,3 3 1)))
 -Extrude building and roof|t
 +Extrude roof|POLYHEDRALSURFACE Z (((4 5 0,5 5 0,5 0 0,0 0 0,0 4 0,4 4 0,4
 5 0),(1 1 0,2 1 0,2 2 0,1 2 0,1 1 0)),((0 4 0,0 0 0,0.5 0.5 0.5,0.5 2.5
 0.5,1 3 1,0 4 0)),((0 0 0,5 0 0,3.5 1.5 1.5,2.5 0.5 0.5,0.5 0.5 0.5,0 0
 0)),((5 0 0,5 5 0,4.5 4.5 0.5,4.5 3.5 0.5,3.5 2.5 1.5,3.5 1.5 1.5,5 0
 0)),((5 5 0,4 5 0,4.5 4.5 0.5,5 5 0)),((4 5 0,4 4 0,4.5 3.5 0.5,4.5 4.5
 0.5,4 5 0)),((4 4 0,0 4 0,1 3 1,3 3 1,3.5 2.5 1.5,4.5 3.5 0.5,4 4 0)),((2
 1 0,1 1 0,0.5 0.5 0.5,2.5 0.5 0.5,2 1 0)),((1 1 0,1 2 0,0.5 2.5 0.5,0.5
 0.5 0.5,1 1 0)),((1 2 0,2 2 0,3 3 1,1 3 1,0.5 2.5 0.5,1 2 0)),((2 2 0,2 1
 0,2.5 0.5 0.5,3.5 1.5 1.5,3.5 2.5 1.5,3 3 1,2 2 0)))
 +Extrude building and roof|f
  Empty building and roof|POLYHEDRALSURFACE EMPTY
  Empty roof|POLYHEDRALSURFACE EMPTY
 -----------------------------------------------------------------------------
 }}}
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/6081>
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