From: Nicklas Avén <nicklas.aven@jordogskog.no>
Date: Thu, 4 Jun 2015 18:53:10 +0000 (+0000)
Subject: Harmonize ST_SimplifyVW with ST_Simplify behavior when feeded with 0 tolerance
X-Git-Tag: 2.2.0rc1~399
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=054ac575c9ac92cf22756ecdc173caa3dd7106eb;p=postgis

Harmonize ST_SimplifyVW with ST_Simplify behavior when feeded with 0 tolerance

git-svn-id: http://svn.osgeo.org/postgis/trunk@13618 b70326c6-7e19-0410-871a-916f4a2858ee
---

diff --git a/liblwgeom/effectivearea.c b/liblwgeom/effectivearea.c
index 80f3ce47c..cf7d7e214 100644
--- a/liblwgeom/effectivearea.c
+++ b/liblwgeom/effectivearea.c
@@ -408,7 +408,7 @@ static POINTARRAY * ptarray_set_effective_area(POINTARRAY *inpts,int avoid_colla
 		/*Only return points with an effective area above the threashold*/
 		for (p=0;p<ea->inpts->npoints;p++)
 		{
-			if(ea->res_arealist[p]>=trshld)
+			if(ea->res_arealist[p]>trshld)
 			{
 				pt=getPoint4d(ea->inpts, p);
 				pt.m=ea->res_arealist[p];
@@ -421,7 +421,7 @@ static POINTARRAY * ptarray_set_effective_area(POINTARRAY *inpts,int avoid_colla
 		/*Only return points with an effective area above the threashold*/
 		for (p=0;p<ea->inpts->npoints;p++)
 		{
-			if(ea->res_arealist[p]>=trshld)
+			if(ea->res_arealist[p]>trshld)
 			{
 				pt=getPoint4d(ea->inpts, p);
 				ptarray_append_point(opts, &pt, LW_TRUE);
diff --git a/postgis/postgis.sql.in b/postgis/postgis.sql.in
index 446d4af1c..10692bcdd 100644
--- a/postgis/postgis.sql.in
+++ b/postgis/postgis.sql.in
@@ -2931,7 +2931,7 @@ CREATE OR REPLACE FUNCTION ST_SimplifyVW(geometry,  float8)
 	LANGUAGE 'c' IMMUTABLE STRICT;
 	
 -- Availability: 2.2.0
-CREATE OR REPLACE FUNCTION ST_SetEffectiveArea(geometry,  float8 default 0, integer default 1)
+CREATE OR REPLACE FUNCTION ST_SetEffectiveArea(geometry,  float8 default -1, integer default 1)
 	RETURNS geometry
 	AS 'MODULE_PATHNAME', 'LWGEOM_SetEffectiveArea'
 	LANGUAGE 'c' IMMUTABLE STRICT;