Hi Regina,
What i was tried is
update Mytable set caja1=boundary(setsrid(box2d(the_geom),23029))
update Mytable set
gbbox=x(pointN(caja1,1))||','||y(pointN(caja1,1))||','||x(pointN(caja1,3))||','||y(pointN(caja1,3))
Geoserver needs a parameter: bbox=xmin,ymin,xmax,ymax
I don´t find the xmax function applied to a box2d ( only to box3d) and , is
it.... i´ve just have read your last message! :)
Gus
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