empty|puntal|SRID=990000;MULTIPOINT EMPTY
empty|lineal|SRID=990000;MULTILINESTRING EMPTY
empty|areal|SRID=990000;MULTIPOLYGON EMPTY
empty|mixed|SRID=990000;GEOMETRYCOLLECTION EMPTY
empty|hier|puntal|SRID=990000;MULTIPOINT EMPTY
empty|hier|lineal|SRID=990000;MULTILINESTRING EMPTY
empty|hier|areal|SRID=990000;MULTIPOLYGON EMPTY
empty|hier|mixed|SRID=990000;GEOMETRYCOLLECTION EMPTY
