SELECT xmin(envelope(GeomUnion(the_geom))) as xmin, ymin(envelope(GeomUnion(the_geom))) as ymin, xmax(envelope(GeomUnion(the_geom))) as xmax, ymax(envelope(GeomUnion(the_geom))) as ymax, x(centroid(GeomUnion(the_geom))) as centro_x, y(centroid(GeomUnion(the_geom))) as centro_y FROM geometrias WHERE id_lugar IN ('') AND id_pais=3{extend:{"x":-34.60721961590082,"y":-58.41602325439453,"xmin":0,"ymin":0,"xmax":0,"ymax":0}, tours:[]}