How can we improve the speed of the functionst_worldtorastercoordx(rast,geom)[
HiPierre: IamaprojectmanagerofchinamobileHubeI,recentlywearewokingonamini-projecttoverifytheRasterfunctionofPostGIS2.1. RasterDATAissuchanadvanceddatamodel,thereforitissodifficulttofindsomemater