From: Nicklas Avén <nicklas.aven@jordogskog.no>
Date: Wed, 16 May 2018 21:36:23 +0000 (+0000)
Subject: Fixes bounding box handling in twkb_input #4089
X-Git-Tag: 2.5.0alpha~8
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=274dd4190e578ae3b0e4bb9da84b9c55ba1e08d9;p=postgis

Fixes bounding box handling in twkb_input #4089

git-svn-id: http://svn.osgeo.org/postgis/trunk@16572 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/liblwgeom/lwin_twkb.c b/liblwgeom/lwin_twkb.c
index a947adbfc..ed838035f 100644
--- a/liblwgeom/lwin_twkb.c
+++ b/liblwgeom/lwin_twkb.c
@@ -598,7 +598,7 @@ LWGEOM* lwgeom_from_twkb_state(twkb_parse_state *s)
 			bbox.zmax = bbox.zmin + twkb_parse_state_double(s, s->factor_z);
 		}
 		/* M */
-		if ( s->has_z )
+		if ( s->has_m )
 		{
 			bbox.mmin = twkb_parse_state_double(s, s->factor_m);
 			bbox.mmax = bbox.mmin + twkb_parse_state_double(s, s->factor_m);
diff --git a/regress/tickets.sql b/regress/tickets.sql
index 47d96a9f6..9560f3866 100644
--- a/regress/tickets.sql
+++ b/regress/tickets.sql
@@ -1085,5 +1085,8 @@ SELECT '#4037.4', ST_AsText(ST_Union('POLYGON((0 0, 10 10, 0 10, 10 0, 0 0))', S
 SELECT '#4055a', ST_SRID(unnest(ST_ClusterWithin(ARRAY['SRID=4326;POINT (3 7)'::geometry, 'SRID=4326;LINESTRING (3 0, 3 9)'], 0)));
 SELECT '#4055b', ST_SRID(unnest(ST_ClusterIntersecting(ARRAY['SRID=4326;POINT (3 7)'::geometry, 'SRID=4326;LINESTRING (3 0, 3 9)'])));
 
+--#4089
+select '#4089', st_astext(st_geomfromtwkb(st_AsTWKB(st_GeometryFromText('LINESTRING Z(1 1 1, 3 3 1)'), 1, 0, 0, false, true)));
+
 -- Clean up
 DELETE FROM spatial_ref_sys;
diff --git a/regress/tickets_expected b/regress/tickets_expected
index 7005d1110..26873ddfd 100644
--- a/regress/tickets_expected
+++ b/regress/tickets_expected
@@ -348,3 +348,4 @@ NOTICE:  Self-intersection
 #4037.4|POLYGON((0 0,2 2,2 8,0 10,10 10,8 8,8 2,10 0,0 0))
 #4055a|4326
 #4055b|4326
+#4089|LINESTRING Z (1 1 1,3 3 1)