SURFER_READ Reads surfers *.grd files Syntax: [x y data OPT] = surfer_read(filename) Input: filename = a surfer *.grd file Output: x = vector with x coordinates y = vector with y coordinates data = the data in the grid (single precison) OPT = the metadata from the grid file Example [x y data OPT] = surfer_read(filename.grd)