From ff096e9bfe719200832f621673fcfb36c03ca74f Mon Sep 17 00:00:00 2001 From: Regina Obe Date: Fri, 26 Jun 2009 13:30:38 +0000 Subject: [PATCH] update ST_Buffer so appears in new in PostGIS 1.5 section git-svn-id: http://svn.osgeo.org/postgis/trunk@4224 b70326c6-7e19-0410-871a-916f4a2858ee --- doc/reference.xml | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/doc/reference.xml b/doc/reference.xml index 57010e1fd..40bcb9805 100644 --- a/doc/reference.xml +++ b/doc/reference.xml @@ -11534,7 +11534,8 @@ SELECT ST_Buffer(ST_GeomFromText('POINT(50 50)'), 20) As smallc, Returns a geometry that represents all points whose distance from this Geometry is less than or equal to distance. Calculations - are in the Spatial Reference System of this Geometry. + are in the Spatial Reference System of this Geometry. Introduced in 1.5 support for + different end cap and mitre settings to control shape. @@ -11568,8 +11569,13 @@ SELECT ST_Buffer(ST_GeomFromText('POINT(50 50)'), 20) As smallc, Returns a geometry that represents all points whose distance from this Geometry is less than or equal to distance. Calculations - are in the Spatial Reference System of this Geometry. + are in the Spatial Reference System of this Geometry. Introduced in 1.5 support for + different end cap and mitre settings to control shape. + Availability: 1.5 - ST_Buffer was enhanced to support different endcaps and join types. These are useful for example to convert road linestrings + into polygon roads with flat or square edges instead of rounded edges. - requires GEOS >= 3.2 to take advantage of advanced functionality. + + The optional third parameter can either specify number of segments used to approximate a quarter circle (integer case, defaults to 8) or a list of blank-separated key=value pairs (string case) to tweak operations as follows: -- 2.40.0