444 lines
30 KiB
Plaintext
444 lines
30 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_elem_vertical_val= '((5 0,15 25,25 0,15 5,5 0))';
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SET @star_elem_horizontal_val= '((25 0,0 15,30 15,22 10,25 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 base star
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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_CONVEXHULL(point)
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#####################################################################################
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_center)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_center)))
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POINT(15 10)
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top)))
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POINT(15 25)
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(-0 0)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(-0 0)')))
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POINT(-0 0)
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(2.34 -2.34)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(2.34 -2.34)')))
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POINT(2.34 -2.34)
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(1e308 -1e308)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(1e308 -1e308)')))
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POINT(1e308 -1e308)
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(-0.0000 0.000001)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(-0.0000 0.000001)')))
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POINT(-0 0.000001)
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SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=105;
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ST_ASTEXT(ST_CONVEXHULL(g))
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POINT(15 10)
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#####################################################################################
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# ST_CONVEXHULL(multipoint)
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#####################################################################################
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_all_points)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_all_points)))
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POLYGON((5 0,25 0,15 25,5 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_bottom_points)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_bottom_points)))
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LINESTRING(5 0,25 0)
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(0 0,0 0,0 0,0 0)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(0 0,0 0,0 0,0 0)')))
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POINT(0 0)
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(0 0,0 5,5 5,5 0,0 0)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(0 0,0 5,5 5,5 0,0 0)')))
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POLYGON((0 0,5 0,5 5,0 5,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(1 -1,1000 -1000,0.0001 0.000)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(1 -1,1000 -1000,0.0001 0.000)')))
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POLYGON((0.0001 0,1 -1,1000 -1000,0.0001 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 -3,0 2,5 7,10 2,10 0,10 -2)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 -3,0 2,5 7,10 2,10 0,10 -2)')))
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POLYGON((0 2,5 -3,10 -2,10 2,5 7,0 2))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 0,0 5,5 10,10 5,10 -5)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 0,0 5,5 10,10 5,10 -5)')))
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POLYGON((0 5,10 -5,10 5,5 10,0 5))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(2 -5,2 5,8 5,8 2,8 0)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(2 -5,2 5,8 5,8 2,8 0)')))
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POLYGON((2 -5,8 0,8 5,2 5,2 -5))
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Select ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 0,25 0,15 10,15 25)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT(5 0,25 0,15 10,15 25)')))
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POLYGON((5 0,25 0,15 25,5 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=108;
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ST_ASTEXT(ST_CONVEXHULL(g))
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LINESTRING(5 0,25 0)
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#####################################################################################
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# ST_CONVEXHULL(linestring)
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#####################################################################################
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top_to_center)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top_to_center)))
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LINESTRING(15 10,15 25)
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_line_horizontal)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_line_horizontal)))
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LINESTRING(10 15,20 15)
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(0 0,-0.00 0,0.0 0)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(0 0,-0.00 0,0.0 0)')))
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POINT(0 0)
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(0 0,0 5,5 5,5 0,0 0)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(0 0,0 5,5 5,5 0,0 0)')))
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POLYGON((0 0,5 0,5 5,0 5,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(1 -1,1000 -1000,0.0001 0.000)')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(1 -1,1000 -1000,0.0001 0.000)')))
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POLYGON((0.0001 0,1 -1,1000 -1000,0.0001 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=110;
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ST_ASTEXT(ST_CONVEXHULL(g))
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LINESTRING(10 15,20 15)
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#####################################################################################
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# ST_CONVEXHULL(multilinestring)
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#####################################################################################
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_vertical)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_vertical)))
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POLYGON((0 5,15 25,0 25,0 5))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_horizontal)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_horizontal)))
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POLYGON((0 5,25 0,15 30,0 15,0 5))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,-0.00 0),(0.0 0))')));
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ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,0 5,5 5,5 0,0 0))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((0 0,0 5,5 5,5 0,0 0))')))
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POLYGON((0 0,5 0,5 5,0 5,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((0 10,10 0),(10 0,0 0),(0 0,10 10))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((0 10,10 0),(10 0,0 0),(0 0,10 10))')))
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POLYGON((0 0,10 0,10 10,0 10,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((1 -1,1000 -1000,0.0001 0.000))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((1 -1,1000 -1000,0.0001 0.000))')))
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POLYGON((0.0001 0,1 -1,1000 -1000,0.0001 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((4 7,1 0,1 7),(4 9,8 6,9 4))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING((4 7,1 0,1 7),(4 9,8 6,9 4))')))
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POLYGON((1 0,9 4,8 6,4 9,1 7,1 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=114;
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ST_ASTEXT(ST_CONVEXHULL(g))
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POLYGON((0 5,15 25,0 25,0 5))
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#####################################################################################
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# ST_CONVEXHULL(polygon)
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#####################################################################################
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star)))
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POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_elem_vertical)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_elem_vertical)))
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POLYGON((5 0,25 0,15 25,5 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 5,5 5, 0 0))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 5,5 5, 0 0))')))
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POLYGON((0 0,5 5,0 5,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((5 2,5 5,2 8,5 2))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((5 2,5 5,2 8,5 2))')))
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POLYGON((2 8,5 2,5 5,2 8))
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Select ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((5 0,15 25,25 0,15 5,5 0))')))
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POLYGON((5 0,25 0,15 25,5 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0))')))
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POLYGON((0 0,10 0,10 10,0 10,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((10 10,10 0,0 20,0 10,10 10))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((10 10,10 0,0 20,0 10,10 10))')))
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POLYGON((0 10,10 0,10 10,0 20,0 10))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,-10 0,-10 -10,0 -10, 0 0))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0,-10 0,-10 -10,0 -10, 0 0))')))
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POLYGON((-10 -10,0 -10,10 0,10 10,0 10,-10 0,-10 -10))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4))')))
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POLYGON((0 0,10 0,10 10,0 10,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0))')))
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POLYGON((0 0,10 0,10 10,0 10,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0))')))
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POLYGON((4 4,6 4,6 6,4 6,4 4))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(8 8,8 10,10 10,10 8,8 8))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((4 4,4 6,6 6,6 4,4 4),(8 8,8 10,10 10,10 8,8 8))')))
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POLYGON((4 4,6 4,6 6,4 6,4 4))
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SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=100;
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ST_ASTEXT(ST_CONVEXHULL(g))
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POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
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#####################################################################################
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# ST_CONVEXHULL(multipolygon)
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#####################################################################################
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_of_elems)));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_of_elems)))
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POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5, 0 0)))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 5,5 5, 0 0)))')))
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POLYGON((0 0,5 5,0 5,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 10,10 0,0 0, 0 10)),((0 0,10 10,10 0, 0 0)))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 10,10 0,0 0, 0 10)),((0 0,10 10,10 0, 0 0)))')))
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POLYGON((0 0,10 0,10 10,0 10,0 0))
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Select ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)),((4 4,4 6,6 6,6 4,4 4)))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)),((4 4,4 6,6 6,6 4,4 4)))')))
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POLYGON((0 0,10 0,10 10,0 10,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10, 0 0)),((10 10,10 15,15 15,10 10)))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10, 0 0)),((10 10,10 15,15 15,10 10)))')))
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POLYGON((0 0,15 15,10 15,0 10,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)),((4 4,4 6,6 6,6 4,4 4)))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0)),((4 4,4 6,6 6,6 4,4 4)))')))
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POLYGON((0 0,10 0,10 10,0 10,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0, 0 0),(4 4,4 6,6 6,6 4,4 4)))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0, 0 0),(4 4,4 6,6 6,6 4,4 4)))')))
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POLYGON((0 0,10 0,10 10,0 10,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)))')))
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POLYGON((0 0,10 0,10 10,0 10,0 0))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0)))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4),(0 0,0 10,10 10,10 0,0 0)))')))
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POLYGON((4 4,6 4,6 6,4 6,4 4))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4),(8 8,8 10,10 10,10 8,8 8)))')));
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ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((4 4,4 6,6 6,6 4,4 4),(8 8,8 10,10 10,10 8,8 8)))')))
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POLYGON((4 4,6 4,6 6,4 6,4 4))
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SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((10 10,10 0,5 10,10 10)),((0 10,0 20,5 10,0 10)))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((10 10,10 0,5 10,10 10)),((0 10,0 20,5 10,0 10)))')))
|
|
POLYGON((0 10,10 0,10 10,0 20,0 10))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)),'
|
|
'((0 0,0 10,10 10,10 0,0 0)))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)),'
|
|
'((0 0,0 10,10 10,10 0,0 0)))')))
|
|
POLYGON((0 0,10 0,10 10,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)),'
|
|
'((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6, 4 4)))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,0 10,10 10,10 0,0 0),(0 0,0 10,10 10,10 0,0 0)),'
|
|
'((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6, 4 4)))')))
|
|
POLYGON((0 0,10 0,10 10,0 10,0 0))
|
|
#####################################################################################
|
|
# ST_CONVEXHULL(geometrycollection)
|
|
#####################################################################################
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_elems)));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_elems)))
|
|
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_multilinestr)));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_multilinestr)))
|
|
POLYGON((0 5,5 0,25 0,30 15,15 30,0 15,0 5))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION()')))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION())')))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT(0 0,10 10))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT(0 0,10 10))')))
|
|
LINESTRING(0 0,10 10)
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT(0 0,10 10)))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),MULTIPOINT(0 0,10 10)))')))
|
|
LINESTRING(0 0,10 10)
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(1 1,2 2,3 3),'
|
|
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10)))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(1 1,2 2,3 3),'
|
|
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10)))')))
|
|
POLYGON((0 0,10 0,15 15,10 15,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(10 10),'
|
|
'MULTIPOINT(0 0,10 10),'
|
|
'LINESTRING(1 1,2 2,3 3),'
|
|
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10)))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POINT(10 10),'
|
|
'MULTIPOINT(0 0,10 10),'
|
|
'LINESTRING(1 1,2 2,3 3
|
|
POLYGON((0 0,10 0,15 15,10 15,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0, 0 0)))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0, 0 0)))')))
|
|
POLYGON((0 0,10 0,10 10,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0, 0 0)))))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0, 0 0)))))')))
|
|
POLYGON((0 0,10 0,10 10,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0)),POLYGON((0 0,10 0,10 -10,0 -10,0 0)))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0)),POLYGON((0 0,10 0,10 -10,0 -10,0 0)))')))
|
|
POLYGON((0 -10,10 -10,10 10,0 10,0 -10))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,0 10,10 10,10 0,0 0),LINESTRING(0 0,10 0,10 -10,0 -10,0 0))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(LINESTRING(0 0,0 10,10 10,10 0,0 0),LINESTRING(0 0,10 0,10 -10,0 -10,0 0))')))
|
|
POLYGON((0 -10,10 -10,10 10,0 10,0 -10))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4)),'
|
|
'MULTIPOLYGON(((0 0,0 10,10 10,10 0, 0 0)),((10 10,10 15,15 15,15 10,10 10))))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4)),'
|
|
'MULTIPOLYGON(((0 0,0 10,10 10,10 0, 0 0)),((10 10,10 15,15 15,15 10,1
|
|
POLYGON((0 0,10 0,15 10,15 15,10 15,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(),POLYGON((0 0,0 10,10 10,10 0,0 0)))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(),POLYGON((0 0,0 10,10 10,10 0,0 0)))')))
|
|
POLYGON((0 0,10 0,10 10,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0)),GEOMETRYCOLLECTION())')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0)),GEOMETRYCOLLECTION())')))
|
|
POLYGON((0 0,10 0,10 10,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
|
|
'MULTIPOINT(0 0,10 10)),'
|
|
'GEOMETRYCOLLECTION(LINESTRING(1 1,2 2,3 3),'
|
|
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10))))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
|
|
'MULTIPOINT(0 0,10 10)),'
|
|
|
|
POLYGON((0 0,10 0,15 15,10 15,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
|
|
'MULTIPOINT(0 0,10 10)),'
|
|
'GEOMETRYCOLLECTION(LINESTRING(1 1,2 2,3 3),'
|
|
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10))),'
|
|
'GEOMETRYCOLLECTION(POLYGON((0 0,0 10,10 10,10 0,0 0),(4 4,4 6,6 6,6 4,4 4)),'
|
|
'MULTIPOLYGON(((0 0,0 10,10 10,10 0, 0 0)),'
|
|
'((10 10,10 15,15 15,15 10,10 10)))))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
|
|
'MULTIPOINT(0 0,10 10)),'
|
|
|
|
POLYGON((0 0,10 0,15 10,15 15,10 15,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
|
|
'MULTIPOINT(0 0,10 10)),'
|
|
'GEOMETRYCOLLECTION(LINESTRING(1 1,2 2,3 3),'
|
|
'MULTILINESTRING((0 0,0 10,10 10,10 0, 0 0),(10 10,10 15,15 15,10 10))),'
|
|
'GEOMETRYCOLLECTION(GEOMETRYCOLLECTION()))')));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('GEOMETRYCOLLECTION(GEOMETRYCOLLECTION(POINT(10 10),'
|
|
'MULTIPOINT(0 0,10 10)),'
|
|
|
|
POLYGON((0 0,10 0,15 15,10 15,0 10,0 0))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(g)) FROM gis_geometrycollection WHERE fid=115;
|
|
ST_ASTEXT(ST_CONVEXHULL(g))
|
|
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
|
|
#####################################################################################
|
|
# ST_CONVEXHULL(geometry) with different SRID values
|
|
#####################################################################################
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_center,-1024)));
|
|
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_all_points,-1)));
|
|
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top_to_center,0)));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_top_to_center,0)))
|
|
LINESTRING(15 10,15 25)
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_vertical,2000)));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_lines_near_vertical,2000)))
|
|
POLYGON((0 5,15 25,0 25,0 5))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star,0)));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star,0)))
|
|
POLYGON((0 15,5 0,25 0,30 15,15 25,0 15))
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_elem_vertical,4145)));
|
|
ERROR 22S00: st_convexhull(POLYGON) has not been implemented for geographic spatial reference systems.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_of_elems,4294967296)));
|
|
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT(@star_collection_elems,4294967295000)));
|
|
ERROR 22003: SRID value is out of range in 'st_geomfromtext'
|
|
#####################################################################################
|
|
# Invalid function calls
|
|
#####################################################################################
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL());
|
|
ERROR 42000: Incorrect parameter count in the call to native function 'ST_CONVEXHULL'
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(NULL));
|
|
ST_ASTEXT(ST_CONVEXHULL(NULL))
|
|
NULL
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT()')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING()')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON(())')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOINT()')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTILINESTRING(())')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON((()))')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(a 0)')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(! 0)')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT('!' 0)')));
|
|
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)')))' at line 1
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(12,34 0)')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(a 0,10 10)')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(0 0,! 10)')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING('!' 0,10 10)')));
|
|
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)')))' at line 1
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('LINESTRING(12,34 0,10 10)')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((a 0,10 10,10 0,0 0))')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,! 10,10 0,0 0))')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON(('!' 0,10 10,10 0,0 0))')));
|
|
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))')))' at line 1
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((12,34 0,10 10,10 0,0 0))')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0))')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,5 5))')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,5 5,10 10))')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POLYGON((0 0,0 5,10 10),(0 0))')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,5 5,10 10)),((10 10)))')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('MULTIPOLYGON(((0 0,5 5,10 10)),((10 10))')));
|
|
ERROR 22023: Invalid GIS data provided to function st_geomfromtext.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(0x000000000200000000000000000000000000000000));
|
|
ERROR HY000: Geometry byte string must be little endian.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(0x010100000001000000010100000000000000000000));
|
|
ERROR HY000: Geometry byte string must be little endian.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(0x010100000002000000000000000000000000000000));
|
|
ERROR HY000: Geometry byte string must be little endian.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(0x000000000600000001000000000200000002000000));
|
|
ERROR HY000: Geometry byte string must be little endian.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(0x000000000200000001000000050000000000000000));
|
|
ERROR HY000: Geometry byte string must be little endian.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(0x010300000002000000010300000002000000050000));
|
|
ERROR HY000: Geometry byte string must be little endian.
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(0x010400000002000000010100000000000000000000));
|
|
ERROR HY000: Geometry byte string must be little endian.
|
|
# Clean up
|
|
DROP TABLE gis_geometrycollection;
|
|
#
|
|
# WL#8579 Spatial Reference Systems
|
|
#
|
|
# SRID 0 (should pass)
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(0 0)', 0)));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(0 0)', 0)))
|
|
POINT(0 0)
|
|
# Projected SRS (should pass)
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(0 0)', 2000)));
|
|
ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(0 0)', 2000)))
|
|
POINT(0 0)
|
|
# Geographic SRS (should fail)
|
|
SELECT ST_ASTEXT(ST_CONVEXHULL(ST_GEOMFROMTEXT('POINT(0 0)', 4326)));
|
|
ERROR 22S00: st_convexhull(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_CONVEXHULL(x'0A000000010100000000000000000000000000000000000000');
|
|
ERROR SR001: There's no spatial reference system with SRID 10.
|