mirror of
https://git.osgeo.org/gitea/postgis/postgis
synced 2024-10-24 09:02:37 +00:00
23 lines
2.5 KiB
SQL
23 lines
2.5 KiB
SQL
SELECT 0, ST_AsText(ST_RemoveRepeatedPoints('GEOMETRYCOLLECTION EMPTY'));
|
|
SELECT 1, ST_AsText(ST_RemoveRepeatedPoints('LINESTRING(0 0, 1 1, 1 1, 2 2)'));
|
|
SELECT 2, ST_AsText(ST_RemoveRepeatedPoints('LINESTRING(0 0, 1 1, 1 1, 2 2, 2 2, 2 2, 2 2, 3 3, 3 3)'));
|
|
SELECT 3, ST_AsText(ST_RemoveRepeatedPoints('MULTILINESTRING((0 0, 1 1, 1 1, 2 2, 2 2, 2 2, 2 2, 3 3, 3 3),(5 5, 5 5, 5 5, 4 4, 2 2))'));
|
|
SELECT 4, ST_AsText(ST_RemoveRepeatedPoints('POLYGON((0 0, 10 0, 10 10, 10 10, 0 10, 0 10, 0 10, 0 0, 0 0, 0 0),(5 5, 5 5, 5 8, 8 8, 8 8, 8 8, 8 5,8 5, 5 5, 5 5, 5 5, 5 5, 5 5))'));
|
|
SELECT 5, ST_AsText(ST_RemoveRepeatedPoints('MULTIPOLYGON(((0 0, 10 0, 10 10, 10 10, 0 10, 0 10, 0 10, 0 0, 0 0, 0 0),(5 5, 5 5, 5 8, 8 8, 8 8, 8 8, 8 5,8 5, 5 5, 5 5, 5 5, 5 5, 5 5)),((50 50, 50 50, 50 50, 50 60, 50 60, 50 60, 60 60, 60 50, 60 50, 50 50),(55 55, 55 58, 58 58, 58 55, 58 55, 55 55)))'));
|
|
SELECT 6, ST_AsText(ST_RemoveRepeatedPoints('MULTIPOINT(0 0, 10 0, 10 10, 10 10, 0 10, 0 10, 0 10, 0 0, 0 0, 0 0,5 5, 5 5, 5 8, 8 8, 8 8, 8 8, 8 5,8 5, 5 5, 5 5, 5 5, 5 5, 5 5,50 50, 50 50, 50 50, 50 60, 50 60, 50 60, 60 60, 60 50, 60 50, 50 50,55 55, 55 58, 58 58, 58 55, 58 55, 55 55)'));
|
|
SELECT 7, ST_AsText(ST_RemoveRepeatedPoints('GEOMETRYCOLLECTION(MULTIPOINT(0 0, 10 0, 10 10, 10 10, 0 10, 0 10, 0 10, 0 0, 0 0, 0 0,5 5, 5 5, 5 8, 8 8, 8 8, 8 8, 8 5,8 5, 5 5, 5 5, 5 5, 5 5, 5 5,50 50, 50 50, 50 50, 50 60, 50 60, 50 60, 60 60, 60 50, 60 50, 50 50,55 55, 55 58, 58 58, 58 55, 58 55, 55 55),MULTIPOLYGON(((0 0, 10 0, 10 10, 10 10, 0 10, 0 10, 0 10, 0 0, 0 0, 0 0),(5 5, 5 5, 5 8, 8 8, 8 8, 8 8, 8 5,8 5, 5 5, 5 5, 5 5, 5 5, 5 5)),((50 50, 50 50, 50 50, 50 60, 50 60, 50 60, 60 60, 60 50, 60 50, 50 50),(55 55, 55 58, 58 58, 58 55, 58 55, 55 55))))'));
|
|
SELECT 8, ST_AsText(ST_RemoveRepeatedPoints('POINT(0 0)'));
|
|
SELECT 9, ST_AsText(ST_RemoveRepeatedPoints('CURVEPOLYGON(CIRCULARSTRING(
|
|
-2 0 0 0,
|
|
-1 -1 1 2,
|
|
0 0 2 4,
|
|
1 -1 3 6,
|
|
2 0 4 8,
|
|
0 2 2 4,
|
|
-2 0 0 0),
|
|
(-1 0 1 2, 0 0.5 2 4,
|
|
1 0 3 6, 0 1 3 4, -1 0 1 2))'));
|
|
SELECT 10, ST_AsText(ST_RemoveRepeatedPoints('LINESTRING(0 0, 0 0)'));
|
|
SELECT 11, ST_AsText(ST_RemoveRepeatedPoints('LINESTRING(0 0, 0 0, 0 0, 0 0, 0 0)'));
|
|
SELECT 12, ST_SRID(ST_RemoveRepeatedPoints('SRID=3;LINESTRING(0 0, 0 0, 0 0, 0 0, 0 0)'));
|