i have two difrent sets of xyz data of different resolution
for eadh i have used GMT's    
pscontour
i would like to merge these data frames(add them up an counter the, together)
  does any body know a good utility to do this
i have two difrent sets of xyz data of different resolution
for eadh i have used GMT's    
pscontour
i would like to merge these data frames(add them up an counter the, together)
  does any body know a good utility to do this