ST_GeomCollection

Definición

ST_GeomCollection construye una colección de geometría desde una representación de texto conocida.

Sintaxis

Oracle

sde.st_multilinestring (wkt clob, srid integer) sde.st_multipoint (wkt clob, srid integer) sde.st_multipolygon (wkt clob, srid integer)

PostgreSQL

sde.st_multilinestring (wkt, srid integer) sde.st_multilinestring (esri_shape bytea, srid integer) sde.st_multipoint (wkt, srid integer) sde.st_multipoint (esri_shape bytea, srid integer) sde.st_multipolygon (wkt, srid integer) sde.st_multipolygon (esri_shape bytea, srid integer)

Tipo de devolución

ST_GeomCollection

Ejemplo

Crear una tabla, geomcoll_test.

CREATE TABLE geomcoll_test (id integer, geometry sde.st_geometry);  INSERT INTO geomcoll_test (id, geometry) VALUES ( 1901, sde.st_multipoint ('multipoint (1 2, 4 3, 5 6)', 0) );  INSERT INTO geomcoll_test (id, geometry) VALUES ( 1902, sde.st_multilinestring ('multilinestring ((33 2, 34 3, 35 6), (28 4, 29 5, 31 8, 43 12), (39 3, 37 4, 36 7))', 0) );  INSERT INTO geomcoll_test (id, geometry) VALUES ( 1903, sde.st_multipolygon ('multipolygon (((3 3, 4 6, 5 3, 3 3), (8 24, 9 25, 1 28, 8 24), (13 33, 7 36, 1 40, 10 43, 13 33)))', 0) );

Seleccione la colección de geometría de la tabla geomcoll_test.

Oracle

SELECT id, sde.st_astext (geometry) Geomcollection FROM GEOMCOLL_TEST;          ID     GEOMCOLLECTION            1901     MULTIPOINT (1.00000000 2.00000000, 4.00000000 3.00000000,               	5.00000000 6.00000000)        1902     MULTILINESTRING ((33.00000000 2.00000000, 34.00000000    		3.00000000, 35.00000000 6.00000000),(28.00000000 4.00000000,       		29.00000000 5.00000000, 31.00000000 8.00000000, 43.00000000       		12.00000000),(39.00000000 3.00000000, 37.00000000     		4.00000000, 36.00000000 7.00000000))         1903     MULTIPOLYGON (((13.00000000 33.00000000, 10.00000000   		43.00000000, 1.00000000 40.00000000, 7.00000000 36.00000000,     		13.00000000 33.00000000)),((8.00000000 24.00000000,     		9.00000000 25.00000000, 1.00000000 28.00000000, 8.00000000     		24.00000000)), ((3.00000000 3.00000000,5.00000000     		3.00000000, 4.00000000 6.00000000,3.00000000 3.00000000)))  

PostgreSQL

SELECT id, sde.st_astext (geometry)  AS geomcollection FROM geomcoll_test;          id     geomcollection      1901     MULTIPOINT (1 2, 4 3, 5 6)  1902     MULTILINESTRING ((33 2, 34	3, 35 6),(28 4, 29 5, 31 8, 43 12),(39 3, 37 4, 36 7))   1903     MULTIPOLYGON (((13 33, 10 43, 1 40, 7 36, 13 33)),((8 24, 9 25, 1 28, 8 24)), 3 3, 5 3, 4 6, 3 3)))