648 lines
50 KiB
Plaintext
648 lines
50 KiB
Plaintext
# Creating the spatial Geometry object
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USE test;
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CREATE TABLE gis_geometrycollection (fid INTEGER NOT NULL PRIMARY KEY, g GEOMETRY);
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SET @star_elem_vertical= 'POLYGON((5 0,15 25,25 0,15 5,5 0))';
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SET @star_elem_horizontal= 'POLYGON((25 0,0 15,30 15,22 10,25 0))';
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SET @star_center= 'POINT(15 10)';
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SET @star_top= 'POINT(15 25)';
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SET @star_bottom_left= 'POINT(5 0)';
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SET @star_bottom_right= 'POINT(25 0)';
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SET @star_bottom_points= 'MULTIPOINT(5 0,25 0)';
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SET @star_all_points= 'MULTIPOINT(5 0,25 0,15 10,15 25)';
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SET @star_line_horizontal= 'LINESTRING(10 15,20 15)';
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SET @star_line_vertical= 'LINESTRING(15 5,15 25)';
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SET @star_top_to_center= 'LINESTRING(15 25,15 10)';
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SET @star_lines_near_horizontal= 'MULTILINESTRING((25 0,0 15,15 30,0 5))';
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SET @star_lines_near_vertical= 'MULTILINESTRING((0 5,15 25,0 25))';
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SET @star= 'POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0))';
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SET @star_of_elems='MULTIPOLYGON(((5 0,15 25,25 0,15 5,5 0)),((25 0,0 15,30 15,22 10,25 0)))';
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SET @star_collection_elems='GEOMETRYCOLLECTION(MULTIPOLYGON(((5 0,15 25,25 0,15 5,5 0)),((25 0,0 15,30 15,22 10,25 0))),POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0)),LINESTRING(15 25,15 10),MULTIPOINT(5 0,25 0),POINT(15 25))';
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SET @star_collection_multilinestr='GEOMETRYCOLLECTION(MULTIPOLYGON(((5 0,15 25,25 0,15 5,5 0)),((25 0,0 15,30 15,22 10,25 0))),POLYGON((5 0,7 10,0 15,10 15,15 25,20 15,30 15,22 10,25 0,15 5,5 0)),MULTILINESTRING((25 0,0 15,15 30,0 5)),LINESTRING(15 25,15 10),MULTIPOINT(5 0,25 0),POINT(15 25))';
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INSERT INTO gis_geometrycollection VALUES
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(100,ST_GEOMFROMTEXT(@star)),
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(101,ST_GEOMFROMTEXT(@star_elem_vertical)),
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(102,ST_GEOMFROMTEXT(@star_elem_horizontal)),
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(103,ST_GEOMFROMTEXT(@star_of_elems)),
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(104,ST_GEOMFROMTEXT(@star_top)),
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(105,ST_GEOMFROMTEXT(@star_center)),
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(106,ST_GEOMFROMTEXT(@star_bottom_left)),
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(107,ST_GEOMFROMTEXT(@star_bottom_right)),
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(108,ST_GEOMFROMTEXT(@star_bottom_points)),
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(109,ST_GEOMFROMTEXT(@star_all_points)),
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(110,ST_GEOMFROMTEXT(@star_line_horizontal)),
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(111,ST_GEOMFROMTEXT(@star_line_vertical)),
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(112,ST_GEOMFROMTEXT(@star_top_to_center)),
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(113,ST_GEOMFROMTEXT(@star_lines_near_horizontal)),
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(114,ST_GEOMFROMTEXT(@star_lines_near_vertical)),
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(115,ST_GEOMFROMTEXT(@star_collection_elems)),
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(116,ST_GEOMFROMTEXT(@star_collection_multilinestr));
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# Checking the integrity of the above create/insert statements
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# 17 rows.
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SELECT count(ST_ASTEXT(g) != 'NULL') FROM gis_geometrycollection;
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count(ST_ASTEXT(g) != 'NULL')
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17
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#####################################################################################
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# ST_SIMPLIFY(point)
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#####################################################################################
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(17 14)'), 1));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(17 14)'), 1))
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POINT(17 14)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(-8 2)'), 2));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(-8 2)'), 2))
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POINT(-8 2)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(9 0)'), 3));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(9 0)'), 3))
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POINT(9 0)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(10 -8)'), 4));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(10 -8)'), 4))
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POINT(10 -8)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(20 -2)'), 5));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(20 -2)'), 5))
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POINT(20 -2)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(7 13)'), 10));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(7 13)'), 10))
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POINT(7 13)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(-16 11)'), 1000));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(-16 11)'), 1000))
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POINT(-16 11)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(-5 -2)'), 2000000));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(-5 -2)'), 2000000))
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POINT(-5 -2)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(-10 6)'), 1234567890));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(-10 6)'), 1234567890))
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POINT(-10 6)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(-16 -8)'), 111111111111));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(-16 -8)'), 111111111111))
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POINT(-16 -8)
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#####################################################################################
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# ST_SIMPLIFY(multipoint)
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#####################################################################################
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(19 -4, -2 -6, -8 2)'), 1));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(19 -4, -2 -6, -8 2)'), 1))
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MULTIPOINT((19 -4),(-2 -6),(-8 2))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(-3 14, 19 8, 10 -8)'), 2));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(-3 14, 19 8, 10 -8)'), 2))
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MULTIPOINT((-3 14),(19 8),(10 -8))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(1 -8, -1 12, -11 16)'), 3));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(1 -8, -1 12, -11 16)'), 3))
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MULTIPOINT((1 -8),(-1 12),(-11 16))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(-16 11, -2 -7, -11 11)'), 4));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(-16 11, -2 -7, -11 11)'), 4))
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MULTIPOINT((-16 11),(-2 -7),(-11 11))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(19 12, 0 9, 5 10, 20 -16, 7 -17, 9 -18, 19 -7)'), 10));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(19 12, 0 9, 5 10, 20 -16, 7 -17, 9 -18, 19 -7)'), 10))
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MULTIPOINT((19 12),(0 9),(5 10),(20 -16),(7 -17),(9 -18),(19 -7))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(-1 11, -17 -11, -15 16, 6 -6, 11 -13, -4 -12, -13 -5)'), 1000));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(-1 11, -17 -11, -15 16, 6 -6, 11 -13, -4 -12, -13 -5)'), 1000))
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MULTIPOINT((-1 11),(-17 -11),(-15 16),(6 -6),(11 -13),(-4 -12),(-13 -5))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(17 -11, -19 -6, 5 17, -14 13, 20 13, 20 2, 0 -12)'), 200000));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(17 -11, -19 -6, 5 17, -14 13, 20 13, 20 2, 0 -12)'), 200000))
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MULTIPOINT((17 -11),(-19 -6),(5 17),(-14 13),(20 13),(20 2),(0 -12))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(-15 12, 17 -12, -7 14, 1 6, 19 -10, 11 -9, 0 -17)'), 9999999));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(-15 12, 17 -12, -7 14, 1 6, 19 -10, 11 -9, 0 -17)'), 9999999))
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MULTIPOINT((-15 12),(17 -12),(-7 14),(1 6),(19 -10),(11 -9),(0 -17))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(3 -13, 18 -2, -5 -13, -12 1, 20 0, -6 14, 5 -4)'), 1234567890));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT(3 -13, 18 -2, -5 -13, -12 1, 20 0, -6 14, 5 -4)'), 1234567890))
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MULTIPOINT((3 -13),(18 -2),(-5 -13),(-12 1),(20 0),(-6 14),(5 -4))
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#####################################################################################
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# ST_SIMPLIFY(linestring)
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#####################################################################################
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 5,10 10)'), 1));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 5,10 10)'), 1))
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LINESTRING(0 0,10 10)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 0,5 5)'), 3.5));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 0,5 5)'), 3.5))
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LINESTRING(0 0,5 0,5 5)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 0,5 5)'), 3.6));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 0,5 5)'), 3.6))
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LINESTRING(0 0,5 5)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,4 4,6 -6,10 0)'), 5));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,4 4,6 -6,10 0)'), 5))
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LINESTRING(0 0,4 4,6 -6,10 0)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 0,5 5,0 5,0 0)'), 3.5));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 0,5 5,0 5,0 0)'), 3.5))
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LINESTRING(0 0,5 0,5 5,0 5,0 0)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 0,5 5,0 5,0 0)'), 3.6));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 0,5 5,0 5,0 0)'), 3.6))
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LINESTRING(0 0,5 5,0 0)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 5,0 10,-5 5,0 0)'), 4.9));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 5,0 10,-5 5,0 0)'), 4.9))
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LINESTRING(0 0,5 5,0 10,-5 5,0 0)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 5,0 10,-5 5,0 0)'), 5));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,5 5,0 10,-5 5,0 0)'), 5))
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LINESTRING(0 0,0 10,0 0)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,3 -3,5 5,7 -7,9 9,10 10)'), 1));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,3 -3,5 5,7 -7,9 9,10 10)'), 1))
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LINESTRING(0 0,1 1,3 -3,5 5,7 -7,10 10)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5)'), 0.5));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5)'), 0.5))
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LINESTRING(0 0,0 1,1 1,1 2,2 2,2 3,4 4,4 5,5 5)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5)'), 0.6));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5)'), 0.6))
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LINESTRING(0 0,0 1,1 1,4 5,5 5)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5)'), 0.7));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5)'), 0.7))
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LINESTRING(0 0,0 1,5 5)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5)'), 0.8));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5)'), 0.8))
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LINESTRING(0 0,5 5)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 0,3 -1,4 0,5 1,6 0,7 -1,8 0,9 1,10 0)'), 0.9));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 0,3 -1,4 0,5 1,6 0,7 -1,8 0,9 1,10 0)'), 0.9))
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LINESTRING(0 0,1 1,3 -1,5 1,7 -1,9 1,10 0)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 0,3 -1,4 0,5 1,6 0,7 -1,8 0,9 1,10 0)'), 1));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 0,3 -1,4 0,5 1,6 0,7 -1,8 0,9 1,10 0)'), 1))
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LINESTRING(0 0,10 0)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 0,3 1,4 0,5 1,6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0)'), 0.6));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 0,3 1,4 0,5 1,6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0)'), 0.6))
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LINESTRING(0 0,1 1,2 0,3 1,4 0,5 1,6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 0,3 1,4 0,5 1,6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0)'), 0.7));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 0,3 1,4 0,5 1,6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0)'), 0.7))
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LINESTRING(0 0,1 1,2 0,3 1,6 0,5 -1,4 0,3 -1,0 0)
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 0,3 1,4 0,5 1,6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0)'), 0.8));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,1 1,2 0,3 1,4 0,5 1,6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0)'), 0.8))
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LINESTRING(0 0,1 1,6 0,5 -1,0 0)
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#####################################################################################
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# ST_SIMPLIFY(multilinestring)
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#####################################################################################
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 5,10 10))'), 1));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 5,10 10))'), 1))
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MULTILINESTRING((0 0,10 10))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 5,10 10),(0 0,5 0,5 5))'), 3.5));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 5,10 10),(0 0,5 0,5 5))'), 3.5))
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MULTILINESTRING((0 0,10 10),(0 0,5 0,5 5))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 5,10 10),(0 0,5 0,5 5))'), 3.6));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 5,10 10),(0 0,5 0,5 5))'), 3.6))
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MULTILINESTRING((0 0,10 10),(0 0,5 5))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 0,5 5),(0 0,5 0,5 5,0 5,0 0))'), 3.5));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 0,5 5),(0 0,5 0,5 5,0 5,0 0))'), 3.5))
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MULTILINESTRING((0 0,5 0,5 5),(0 0,5 0,5 5,0 5,0 0))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 0,5 5),(0 0,5 0,5 5,0 5,0 0))'), 3.6));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 0,5 5),(0 0,5 0,5 5,0 5,0 0))'), 3.6))
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MULTILINESTRING((0 0,5 5),(0 0,5 5,0 0))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 5,0 10),(0 0,-5 5,0 10))'), 4.9));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 5,0 10),(0 0,-5 5,0 10))'), 4.9))
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MULTILINESTRING((0 0,5 5,0 10),(0 0,-5 5,0 10))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 5,0 10),(0 0,-5 5,0 10))'), 5));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,5 5,0 10),(0 0,-5 5,0 10))'), 5))
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MULTILINESTRING((0 0,0 10),(0 0,0 10))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,1 1,3 -3,5 5,7 -7,9 9,10 10,0 0))'), 1));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,1 1,3 -3,5 5,7 -7,9 9,10 10,0 0))'), 1))
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MULTILINESTRING((0 0,1 1,3 -3,5 5,7 -7,10 10,0 0))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5),'
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'(0 0,1 0,1 1,2 1,2 2,3 2,3 3,4 3,4 4,5 4,4 4))'), 0.5));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5),'
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'(0 0,1 0,1 1,2 1,2 2,3 2,3 3,4 3,4 4,5 4,4 4))'), 0.5))
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MULTILINESTRING((0 0,0 1,1 1,1 2,2 2,2 3,4 4,4 5,5 5),(0 0,1 0,1 1,2 1,2 2,4 3,4 4,5 4,4 4))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5),'
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'(0 0,1 0,1 1,2 1,2 2,3 2,3 3,4 3,4 4,5 4,4 4))'), 0.6));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5),'
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'(0 0,1 0,1 1,2 1,2 2,3 2,3 3,4 3,4 4,5 4,4 4))'), 0.6))
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MULTILINESTRING((0 0,0 1,1 1,4 5,5 5),(0 0,1 0,4 4,5 4,4 4))
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SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5),'
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'(0 0,1 0,1 1,2 1,2 2,3 2,3 3,4 3,4 4,5 4,4 4))'), 0.7));
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ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,0 1,1 1,1 2,2 2,2 3,3 3,3 4,4 4,4 5,5 5),'
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'(0 0,1 0,1 1,2 1,2 2,3 2,3 3,4 3,4 4,5 4,4 4))'), 0.7))
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MULTILINESTRING((0 0,0 1,5 5),(0 0,5 4,4 4))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,1 1,2 0,3 1,4 0,5 1,6 0),(6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0))'), 0.6));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,1 1,2 0,3 1,4 0,5 1,6 0),(6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0))'), 0.6))
|
|
MULTILINESTRING((0 0,1 1,2 0,3 1,4 0,5 1,6 0),(6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,1 1,2 0,3 1,4 0,5 1,6 0),(6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0))'), 0.7));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,1 1,2 0,3 1,4 0,5 1,6 0),(6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0))'), 0.7))
|
|
MULTILINESTRING((0 0,1 1,2 0,3 1,6 0),(6 0,5 -1,4 0,3 -1,0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,1 1,2 0,3 1,4 0,5 1,6 0),(6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0))'), 0.8));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,1 1,2 0,3 1,4 0,5 1,6 0),(6 0,5 -1,4 0,3 -1,2 0,1 -1,0 0))'), 0.8))
|
|
MULTILINESTRING((0 0,1 1,6 0),(6 0,5 -1,0 0))
|
|
#####################################################################################
|
|
# ST_SIMPLIFY(polygon)
|
|
#####################################################################################
|
|
# Invalid geometry in input.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,4 4,6 -6,10 0,0 0,0 0,0 0))'), 5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,4 4,6 -6,10 0,0 0,0 0,0 0))'), 5))
|
|
POLYGON((10 0,0 0,4 4,6 -6,10 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 5,5 5,5 0,0 0))'), 3.5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 5,5 5,5 0,0 0))'), 3.5))
|
|
POLYGON((5 5,0 5,0 0,5 0,5 5))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 5,5 5,5 0,0 0))'), 3.6));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 5,5 5,5 0,0 0))'), 3.6))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,10 10,-10 10,0 0))'), 14));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,10 10,-10 10,0 0))'), 14))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,10 10,-10 10,0 0))'), 15));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,10 10,-10 10,0 0))'), 15))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,5 5,0 10,-5 5,0 0))'), 4.9));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,5 5,0 10,-5 5,0 0))'), 4.9))
|
|
POLYGON((0 10,-5 5,0 0,5 5,0 10))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,5 5,0 10,-5 5,0 0))'), 5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,5 5,0 10,-5 5,0 0))'), 5))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,1 1,3 -3,5 5,7 -7,9 9,10 10,0 0))'), 1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,1 1,3 -3,5 5,7 -7,9 9,10 10,0 0))'), 1))
|
|
POLYGON((10 10,0 0,1 1,3 -3,5 5,7 -7,10 10))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((5 0,10 10,-10 10,-5 0,-10 -10,10 -10,5 0))'), 4.9));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((5 0,10 10,-10 10,-5 0,-10 -10,10 -10,5 0))'), 4.9))
|
|
POLYGON((-10 10,-5 0,-10 -10,10 -10,5 0,10 10,-10 10))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((5 0,10 10,-10 10,-5 0,-10 -10,10 -10,5 0))'), 5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((5 0,10 10,-10 10,-5 0,-10 -10,10 -10,5 0))'), 5))
|
|
POLYGON((-10 10,-10 -10,10 -10,10 10,-10 10))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((5 0,10 10,-10 10,-5 0,-10 -10,10 -10,5 0))'), 12));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((5 0,10 10,-10 10,-5 0,-10 -10,10 -10,5 0))'), 12))
|
|
POLYGON((-10 10,-10 -10,10 -10,10 10,-10 10))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((5 0,10 10,-10 10,-5 0,-10 -10,10 -10,5 0))'), 17));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((5 0,10 10,-10 10,-5 0,-10 -10,10 -10,5 0))'), 17))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4))'), 1.4));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4))'), 1.4))
|
|
POLYGON((10 10,0 10,0 0,10 0,10 10),(6 6,6 4,4 4,4 6,6 6))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4))'), 1.5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4))'), 1.5))
|
|
POLYGON((10 10,0 10,0 0,10 0,10 10))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4))'), 7));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4))'), 7))
|
|
POLYGON((10 10,0 10,0 0,10 0,10 10))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4))'), 7.1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4))'), 7.1))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((10 2,5 2,5 10,-5 10,-5 2,-10 2,-10 -2,-5 -2,-5 -10,5 -10,5 -2,10 -2,10 2))'), 3));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((10 2,5 2,5 10,-5 10,-5 2,-10 2,-10 -2,-5 -2,-5 -10,5 -10,5 -2,10 -2,10 2))'), 3))
|
|
POLYGON((-10 -2,-5 -2,-5 -10,5 -10,5 -2,10 -2,10 2,5 2,5 10,-5 10,-5 2,-10 2,-10 -2))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((10 2,5 2,5 10,-5 10,-5 2,-10 2,-10 -2,-5 -2,-5 -10,5 -10,5 -2,10 -2,10 2))'), 4));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((10 2,5 2,5 10,-5 10,-5 2,-10 2,-10 -2,-5 -2,-5 -10,5 -10,5 -2,10 -2,10 2))'), 4))
|
|
POLYGON((-10 -2,-5 -2,-5 -10,5 -10,10 2,5 2,5 10,-5 10,-10 -2))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((10 2,5 2,5 10,-5 10,-5 2,-10 2,-10 -2,-5 -2,-5 -10,5 -10,5 -2,10 -2,10 2))'), 5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((10 2,5 2,5 10,-5 10,-5 2,-10 2,-10 -2,-5 -2,-5 -10,5 -10,5 -2,10 -2,10 2))'), 5))
|
|
POLYGON((-10 -2,5 -10,10 2,-5 10,-10 -2))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((10 2,5 2,5 10,-5 10,-5 2,-10 2,-10 -2,-5 -2,-5 -10,5 -10,5 -2,10 -2,10 2))'), 11));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((10 2,5 2,5 10,-5 10,-5 2,-10 2,-10 -2,-5 -2,-5 -10,5 -10,5 -2,10 -2,10 2))'), 11))
|
|
NULL
|
|
#####################################################################################
|
|
# ST_SIMPLIFY(multipolygon)
|
|
#####################################################################################
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))'), 3.5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))'), 3.5))
|
|
MULTIPOLYGON(((5 5,0 5,0 0,5 0,5 5)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))'), 3.6));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)))'), 3.6))
|
|
NULL
|
|
# Invalid geometry in input.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,1 1,3 -3,5 5,7 -7,9 9,10 10,0 0)))'), 1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,1 1,3 -3,5 5,7 -7,9 9,10 10,0 0)))'), 1))
|
|
MULTIPOLYGON(((10 10,0 0,1 1,3 -3,5 5,7 -7,10 10)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4)))'), 1.4));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4)))'), 1.4))
|
|
MULTIPOLYGON(((10 10,0 10,0 0,10 0,10 10),(6 6,6 4,4 4,4 6,6 6)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4)))'), 1.5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4)))'), 1.5))
|
|
MULTIPOLYGON(((10 10,0 10,0 0,10 0,10 10)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4)))'), 7));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4)))'), 7))
|
|
MULTIPOLYGON(((10 10,0 10,0 0,10 0,10 10)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4)))'), 7.1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0),(4 4,4 6,6 6,6 4,4 4)))'), 7.1))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((4 4,4 6,6 6,6 4,4 4,4 4,4 4,4 4)))'), 1.4));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((4 4,4 6,6 6,6 4,4 4,4 4,4 4,4 4)))'), 1.4))
|
|
MULTIPOLYGON(((10 10,0 10,0 0,10 0,10 10)),((6 6,4 6,4 4,6 4,6 6)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((4 4,4 6,6 6,6 4,4 4,4 4,4 4,4 4)))'), 1.5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((4 4,4 6,6 6,6 4,4 4,4 4,4 4,4 4)))'), 1.5))
|
|
MULTIPOLYGON(((10 10,0 10,0 0,10 0,10 10)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((4 4,4 6,6 6,6 4,4 4,4 4,4 4,4 4)))'), 7));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((4 4,4 6,6 6,6 4,4 4,4 4,4 4,4 4)))'), 7))
|
|
MULTIPOLYGON(((10 10,0 10,0 0,10 0,10 10)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((4 4,4 6,6 6,6 4,4 4,4 4,4 4,4 4)))'), 7.1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((4 4,4 6,6 6,6 4,4 4,4 4,4 4,4 4)))'), 7.1))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)),((0 0,0 -5,-5 -5,-5 0,0 0)))'), 3.5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)),((0 0,0 -5,-5 -5,-5 0,0 0)))'), 3.5))
|
|
MULTIPOLYGON(((5 5,0 5,0 0,5 0,5 5)),((-5 -5,0 -5,0 0,-5 0,-5 -5)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)),((0 0,0 -5,-5 -5,-5 0,0 0)))'), 3.6));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5,5 0,0 0)),((0 0,0 -5,-5 -5,-5 0,0 0)))'), 3.6))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,10 10,-10 10,0 0)),((0 0,-10 -10,10 -10,0 0)))'), 14));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,10 10,-10 10,0 0)),((0 0,-10 -10,10 -10,0 0)))'), 14))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,10 10,-10 10,0 0)),((0 0,-10 -10,10 -10,0 0)))'), 15));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,10 10,-10 10,0 0)),((0 0,-10 -10,10 -10,0 0)))'), 15))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,5 5,0 10,-5 5,0 0)),((0 0,-5 -5,0 -10,5 -5,0 0)))'), 4.9));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,5 5,0 10,-5 5,0 0)),((0 0,-5 -5,0 -10,5 -5,0 0)))'), 4.9))
|
|
MULTIPOLYGON(((0 10,-5 5,0 0,5 5,0 10)),((0 -10,5 -5,0 0,-5 -5,0 -10)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,5 5,0 10,-5 5,0 0)),((0 0,-5 -5,0 -10,5 -5,0 0)))'), 5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,5 5,0 10,-5 5,0 0)),((0 0,-5 -5,0 -10,5 -5,0 0)))'), 5))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,4 6,0 10,-4 6,0 0)),((0 0,-6 4,-10 0,-6 -4,0 0)),'
|
|
'((0 0,-4 -6,0 -10,4 -6,0 0)),((0 0,6 -4,10 0,6 4,0 0)))'), 3));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,4 6,0 10,-4 6,0 0)),((0 0,-6 4,-10 0,-6 -4,0 0)),'
|
|
'((0 0,-4 -6,0 -10,4 -6,0 0)),((0 0,6 -4,10 0,6 4,0 0)))'), 3))
|
|
MULTIPOLYGON(((0 10,-4 6,0 0,4 6,0 10)),((-10 0,-6 -4,0 0,-6 4,-10 0)),((0 -10,4 -6,0 0,-4 -6,0 -10)),((10 0,6 4,0 0,6 -4,10 0)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,4 6,0 10,-4 6,0 0)),((0 0,-6 4,-10 0,-6 -4,0 0)),'
|
|
'((0 0,-4 -6,0 -10,4 -6,0 0)),((0 0,6 -4,10 0,6 4,0 0)))'), 4));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,4 6,0 10,-4 6,0 0)),((0 0,-6 4,-10 0,-6 -4,0 0)),'
|
|
'((0 0,-4 -6,0 -10,4 -6,0 0)),((0 0,6 -4,10 0,6 4,0 0)))'), 4))
|
|
MULTIPOLYGON(((4 6,-4 6,0 0,4 6)),((-6 4,-6 -4,0 0,-6 4)),((-4 -6,4 -6,0 0,-4 -6)),((6 -4,6 4,0 0,6 -4)))
|
|
#####################################################################################
|
|
# ST_SIMPLIFY(geometrycollection)
|
|
#####################################################################################
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0))'), 1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(0 0))'), 1))
|
|
GEOMETRYCOLLECTION(POINT(0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTIPOINT(0 0,1 0,1 1,2 0,2 2))'), 1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTIPOINT(0 0,1 0,1 1,2 0,2 2))'), 1))
|
|
GEOMETRYCOLLECTION(MULTIPOINT((0 0),(1 0),(1 1),(2 0),(2 2)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,5 0,5 5,0 5,0 0))'), 3.5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,5 0,5 5,0 5,0 0))'), 3.5))
|
|
GEOMETRYCOLLECTION(LINESTRING(0 0,5 0,5 5,0 5,0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,5 0,5 5,0 5,0 0))'), 3.6));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,5 0,5 5,0 5,0 0))'), 3.6))
|
|
GEOMETRYCOLLECTION(LINESTRING(0 0,5 5,0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,4 4,6 -6,10 0))'), 5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,4 4,6 -6,10 0))'), 5))
|
|
GEOMETRYCOLLECTION(LINESTRING(0 0,4 4,6 -6,10 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTILINESTRING((0 0,0 4,4 4),(0 0,5 0,5 5,0 5,0 0)))'), 3.5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTILINESTRING((0 0,0 4,4 4),(0 0,5 0,5 5,0 5,0 0)))'), 3.5))
|
|
GEOMETRYCOLLECTION(MULTILINESTRING((0 0,4 4),(0 0,5 0,5 5,0 5,0 0)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTILINESTRING((0 0,0 5,5 5),(0 0,5 0,5 5,0 5,0 0)))'), 3.6));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTILINESTRING((0 0,0 5,5 5),(0 0,5 0,5 5,0 5,0 0)))'), 3.6))
|
|
GEOMETRYCOLLECTION(MULTILINESTRING((0 0,5 5),(0 0,5 5,0 0)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTILINESTRING((0 0,1 1,3 -3,5 5,7 -7,9 9,10 10,0 0)))'), 1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTILINESTRING((0 0,1 1,3 -3,5 5,7 -7,9 9,10 10,0 0)))'), 1))
|
|
GEOMETRYCOLLECTION(MULTILINESTRING((0 0,1 1,3 -3,5 5,7 -7,10 10,0 0)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)))'), 7));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)))'), 7))
|
|
GEOMETRYCOLLECTION(POLYGON((10 10,0 10,0 0,10 0,10 10)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)))'), 8));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)))'), 8))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((0 0,0 -8,-8 -8,-8 0,0 0))))'), 7));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((0 0,0 -8,-8 -8,-8 0,0 0))))'), 7))
|
|
GEOMETRYCOLLECTION(MULTIPOLYGON(((10 10,0 10,0 0,10 0,10 10))))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((0 0,0 -8,-8 -8,-8 0,0 0))))'), 8));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)),((0 0,0 -8,-8 -8,-8 0,0 0))))'), 8))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()'), 1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()'), 1))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())'), 1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())'), 1))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(), LINESTRING(0 0,5 0,5 5))'), 3.5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(), LINESTRING(0 0,5 0,5 5))'), 3.5))
|
|
GEOMETRYCOLLECTION(LINESTRING(0 0,5 0,5 5))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(), LINESTRING(0 0,5 0,5 5))'), 3.6));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(), LINESTRING(0 0,5 0,5 5))'), 3.6))
|
|
GEOMETRYCOLLECTION(LINESTRING(0 0,5 5))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(), POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)))'), 7));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(), POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)))'), 7))
|
|
GEOMETRYCOLLECTION(POLYGON((10 10,0 10,0 0,10 0,10 10)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(), POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)))'), 8));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(), POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0)))'), 8))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,0 5,5 5,5 0,0 0),'
|
|
'POLYGON((0 0,0 -5,-5 -5,-5 0,0 0)))'), 3.5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,0 5,5 5,5 0,0 0),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,0 5,5 5,5 0,0 0),POLYGON((-5 -5,0 -5,0 0,-5 0,-5 -5)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,0 5,5 5,5 0,0 0),'
|
|
'POLYGON((0 0,0 -5,-5 -5,-5 0,0 0)))'), 3.6));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,0 5,5 5,5 0,0 0),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,5 5,0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'LINESTRING(0 0,5 5,0 10,-5 5,0 0),'
|
|
'POLYGON((0 0,-5 -5,0 -10,5 -5,0 0)))'), 4.9));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'LINESTRING(0 0,5 5,0 10,-5 5,0 0),'
|
|
'POLYGON((0 0,-5 -5,0 -10,5 -5,0 0)))'), 4.9))
|
|
GEOMETRYCOLLECTION(LINESTRING(0 0,5 5,0 10,-5 5,0 0),POLYGON((0 -10,5 -5,0 0,-5 -5,0 -10)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'LINESTRING(0 0,5 5,0 10,-5 5,0 0),'
|
|
'POLYGON((0 0,-5 -5,0 -10,5 -5,0 0)))'), 5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'LINESTRING(0 0,5 5,0 10,-5 5,0 0),'
|
|
'POLYGON((0 0,-5 -5,0 -10,5 -5,0 0)))'), 5))
|
|
GEOMETRYCOLLECTION(LINESTRING(0 0,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'MULTILINESTRING((0 0,5 5,0 10,-5 5,0 0),(0 0,-5 -5,0 -10,5 -5,0 0)),'
|
|
'MULTIPOLYGON(((0 0,5 -5,10 0,5 5,0 0)),((0 0,-5 5,-10 0,-5 -5,0 0))))'), 4.9));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'MULTILINESTRING((0 0,5 5,0 10,-5 5,0 0),(0 0,-5 -5,0 -10,5 -5,0 0)),'
|
|
'MULTIPOLYGON(((0 0,5
|
|
GEOMETRYCOLLECTION(MULTILINESTRING((0 0,5 5,0 10,-5 5,0 0),(0 0,-5 -5,0 -10,5 -5,0 0)),MULTIPOLYGON(((10 0,5 5,0 0,5 -5,10 0)),((-10 0,-5 -5,0 0,-5 5,-10 0))))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'MULTILINESTRING((0 0,5 5,0 10,-5 5,0 0),(0 0,-5 -5,0 -10,5 -5,0 0)),'
|
|
'MULTIPOLYGON(((0 0,5 -5,10 0,5 5,0 0)),((0 0,-5 5,-10 0,-5 -5,0 0))))'), 5));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'MULTILINESTRING((0 0,5 5,0 10,-5 5,0 0),(0 0,-5 -5,0 -10,5 -5,0 0)),'
|
|
'MULTIPOLYGON(((0 0,5
|
|
GEOMETRYCOLLECTION(MULTILINESTRING((0 0,0 10,0 0),(0 0,0 -10,0 0)))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(10 10),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
'LINESTRING(0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -3,5 -3,0 -4,5 -4,0 0))'), 1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(10 10),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT((0 0),(1 1),(2 2),(3 3),(4 4),(5 5)),LINESTRING(0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -4,5 -4,0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(10 10),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
'LINESTRING(0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -3,5 -3,0 -4,5 -4,0 0))'), 2));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(10 10),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT((0 0),(1 1),(2 2),(3 3),(4 4),(5 5)),LINESTRING(0 0,5 0,0 -1,5 -1,0 -4,5 -4,0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(10 10),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
'LINESTRING(0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -3,5 -3,0 -4,5 -4,0 0))'), 3));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(10 10),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT((0 0),(1 1),(2 2),(3 3),(4 4),(5 5)),LINESTRING(0 0,5 0,0 -1,5 -4,0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(10 10),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
'LINESTRING(0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -3,5 -3,0 -4,5 -4,0 0))'), 4));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(10 10),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT((0 0),(1 1),(2 2),(3 3),(4 4),(5 5)),LINESTRING(0 0,5 -4,0 0))
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(10 10),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
'LINESTRING(0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -3,5 -3,0 -4,5 -4,0 0))'), 7));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(10 10),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT((0 0),(1 1),(2 2),(3 3),(4 4),(5 5)))
|
|
# Invalid geometry in input.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,2.5 2.5,0 5,-2.5 7.5,0 10),'
|
|
'POLYGON((0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -3,5 -3,0 -4,5 -4,0 0)),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
'MULTILINESTRING((0 0,1 1,-1 1,0 0),(0 0,2 2,-2 2,0 0),(0 0,3 3,-3 3,0 0),(0 0,4 4,-4 4,0 0)),'
|
|
'MULTIPOLYGON(((0 0,2.5 2.5,-2.5 2.5,0 0)),((0 0,-2.5 -2.5,2.5 -2.5,0 0))))'), 1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,2.5 2.5,0 5,-2.5 7.5,0 10),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,2.5 2.5,-2.5 7.5,0 10),POLYGON((5 -4,0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -4,5 -4)),MULTIPOINT((0 0),(1 1),(2 2),(3 3),(4 4),(5 5)),MULTILINESTRING((0 0,1 1,-1 1,0 0),(0 0,2 2,-2 2,0 0),(0 0,3 3,-3 3,0 0),(0 0,4 4,-4 4,0 0)),MULTIPOLYGON(((2.5 2.5,-2.5 2.5,0 0,2.5 2.5)),((-2.5 -2.5,2.5 -2.5,0 0,-2.5 -2.5))))
|
|
# Invalid geometry in input.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,2.5 2.5,0 5,-2.5 7.5,0 10),'
|
|
'POLYGON((0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -3,5 -3,0 -4,5 -4,0 0)),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
'MULTILINESTRING((0 0,1 1,-1 1,0 0),(0 0,2 2,-2 2,0 0),(0 0,3 3,-3 3,0 0),(0 0,4 4,-4 4,0 0)),'
|
|
'MULTIPOLYGON(((0 0,2.5 2.5,-2.5 2.5,0 0)),((0 0,-2.5 -2.5,2.5 -2.5,0 0))))'), 2));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,2.5 2.5,0 5,-2.5 7.5,0 10),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,2.5 2.5,-2.5 7.5,0 10),POLYGON((5 -4,0 0,5 0,0 -1,5 -1,0 -4,5 -4)),MULTIPOINT((0 0),(1 1),(2 2),(3 3),(4 4),(5 5)),MULTILINESTRING((0 0,2 2,-2 2,0 0),(0 0,3 3,-3 3,0 0),(0 0,4 4,-4 4,0 0)),MULTIPOLYGON(((2.5 2.5,-2.5 2.5,0 0,2.5 2.5)),((-2.5 -2.5,2.5 -2.5,0 0,-2.5 -2.5))))
|
|
# Invalid geometry in input.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,2.5 2.5,0 5,-2.5 7.5,0 10),'
|
|
'POLYGON((0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -3,5 -3,0 -4,5 -4,0 0)),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
'MULTILINESTRING((0 0,1 1,-1 1,0 0),(0 0,2 2,-2 2,0 0),(0 0,3 3,-3 3,0 0),(0 0,4 4,-4 4,0 0)),'
|
|
'MULTIPOLYGON(((0 0,2.5 2.5,-2.5 2.5,0 0)),((0 0,-2.5 -2.5,2.5 -2.5,0 0))))'), 3));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,2.5 2.5,0 5,-2.5 7.5,0 10),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,0 10),POLYGON((5 -4,0 0,5 0,0 -1,5 -4)),MULTIPOINT((0 0),(1 1),(2 2),(3 3),(4 4),(5 5)),MULTILINESTRING((0 0,3 3,-3 3,0 0),(0 0,4 4,-4 4,0 0)))
|
|
# Invalid geometry in input.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,2.5 2.5,0 5,-2.5 7.5,0 10),'
|
|
'POLYGON((0 0,5 0,0 -1,5 -1,0 -2,5 -2,0 -3,5 -3,0 -4,5 -4,0 0)),'
|
|
'MULTIPOINT(0 0,1 1,2 2,3 3,4 4,5 5),'
|
|
'MULTILINESTRING((0 0,1 1,-1 1,0 0),(0 0,2 2,-2 2,0 0),(0 0,3 3,-3 3,0 0),(0 0,4 4,-4 4,0 0)),'
|
|
'MULTIPOLYGON(((0 0,2.5 2.5,-2.5 2.5,0 0)),((0 0,-2.5 -2.5,2.5 -2.5,0 0))))'), 4));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION('
|
|
'POINT(0 0),'
|
|
'LINESTRING(0 0,2.5 2.5,0 5,-2.5 7.5,0 10),'
|
|
|
|
GEOMETRYCOLLECTION(POINT(0 0),LINESTRING(0 0,0 10),MULTIPOINT((0 0),(1 1),(2 2),(3 3),(4 4),(5 5)),MULTILINESTRING((0 0,3 3,-3 3,0 0),(0 0,4 4,-4 4,0 0)))
|
|
#####################################################################################
|
|
# ST_ASTEXT(ST_SIMPLIFY(geometry) with different SRID values
|
|
#####################################################################################
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT(@star_center,-1024), 1));
|
|
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT(@star_all_points,-1), 1));
|
|
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT(@star_top_to_center,0), 1));
|
|
ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT(@star_top_to_center,0), 1))
|
|
LINESTRING(15 25,15 10)
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT(@star_lines_near_vertical,4326), 1));
|
|
ERROR 22S00: st_simplify(MULTILINESTRING, ...) has not been implemented for geographic spatial reference systems.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT(@star_of_elems,4294967296), 1));
|
|
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT(@star_collection_elems,4294967295000), 1));
|
|
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
|
|
#####################################################################################
|
|
# Invalid function calls
|
|
#####################################################################################
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY());
|
|
ERROR 42000: Incorrect parameter count in the call to native function 'ST_SIMPLIFY'
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(NULL));
|
|
ERROR 42000: Incorrect parameter count in the call to native function 'ST_SIMPLIFY'
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(NULL,1));
|
|
ST_ASTEXT(ST_SIMPLIFY(NULL,1))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT()'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING()'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON(())'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOINT()'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTILINESTRING(())'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('MULTIPOLYGON((()))'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(a 0)'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(! 0)'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT('!' 0)'), 1));
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '!' 0)'), 1))' at line 1
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(12,34 0)'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(a 0,10 10)'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(0 0,! 10)'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING('!' 0,10 10)'), 1));
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '!' 0,10 10)'), 1))' at line 1
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('LINESTRING(12,34 0,10 10)'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((a 0,10 10,10 0,0 0))'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,! 10,10 0,0 0))'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON(('!' 0,10 10,10 0,0 0))'), 1));
|
|
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '!' 0,10 10,10 0,0 0))'), 1))' at line 1
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((12,34 0,10 10,10 0,0 0))'), 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0))'), 0));
|
|
ERROR HY000: Incorrect arguments to st_simplify
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0))'), -1));
|
|
ERROR HY000: Incorrect arguments to st_simplify
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0))'), -1024));
|
|
ERROR HY000: Incorrect arguments to st_simplify
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0))'), 'a'));
|
|
ERROR HY000: Incorrect arguments to st_simplify
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,0 0,0 0,0 0))'), a));
|
|
ERROR 42S22: Unknown column 'a' in 'field list'
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(0x000000000200000000000000000000000000000000, 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_simplify.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(0x010100000001000000010100000000000000000000, 1));
|
|
ERROR SR001: There's no spatial reference system with SRID 257.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(0x010100000002000000000000000000000000000000, 1));
|
|
ERROR SR001: There's no spatial reference system with SRID 257.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(0x000000000600000001000000000200000002000000, 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_simplify.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(0x000000000200000001000000050000000000000000, 1));
|
|
ERROR 22023: Invalid GIS data provided to function st_simplify.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(0x010300000002000000010300000002000000050000, 1));
|
|
ERROR SR001: There's no spatial reference system with SRID 769.
|
|
SELECT ST_ASTEXT(ST_SIMPLIFY(0x010400000002000000010100000000000000000000, 1));
|
|
ERROR SR001: There's no spatial reference system with SRID 1025.
|
|
# Clean up
|
|
DROP TABLE gis_geometrycollection;
|
|
#
|
|
# WL#8579 Spatial Reference Systems
|
|
#
|
|
# SRID 0 (should pass)
|
|
DO ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(0 0)', 0), 1);
|
|
# Projected SRS (should pass)
|
|
DO ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(0 0)', 2000), 1);
|
|
# Geographic SRS (should fail)
|
|
DO ST_SIMPLIFY(ST_GEOMFROMTEXT('POINT(0 0)', 4326), 1);
|
|
ERROR 22S00: st_simplify(POINT, ...) has not been implemented for geographic spatial reference systems.
|
|
#
|
|
# WL#11096 Don't do Cartesian computations on geographic geometries
|
|
#
|
|
# Assume SRID 10 is not defined.
|
|
DO ST_SIMPLIFY(x'0A000000010100000000000000000000000000000000000000', 1);
|
|
ERROR SR001: There's no spatial reference system with SRID 10.
|