postgis/regress/node.sql
Sandro Santilli 29b697dbc8 Add SQL-level tests for ST_Node (#1206)
git-svn-id: http://svn.osgeo.org/postgis/trunk@8093 b70326c6-7e19-0410-871a-916f4a2858ee
2011-11-04 18:24:54 +00:00

15 lines
467 B
SQL

-- Node two crossing lines
select 't1', st_asewkt(st_node(
'SRID=10;MULTILINESTRING((0 0, 10 0),(5 -5, 5 5))'
));
-- Node two overlapping lines
select 't2', st_asewkt(st_node(
'SRID=10;MULTILINESTRING((0 0, 10 0, 20 0),(25 0, 15 0, 8 0))'
));
-- Node a self-intersecting line
-- NOTE: requires GEOS 3.3.2 which is still unreleased at time of writing
-- see http://trac.osgeo.org/geos/ticket/482
--select st_node('SRID=10;LINESTRING(0 0, 10 10, 0 10, 10 0)');