GRDINFO2('file.grd') will display information about the GMT grid file 'file.grd' in a format similar to the gmt command grdinfo.
D = GRDINFO('file.grd') will in addition return a vector containing (xmin, xmax, ymin, ymax, zmin, zmax, format, xinc, yinc). Format is 1 for pixel registration and 0 for grid node registration.
Similar to the GMT command 'grdinfo', and based on the compiled mexfile-based function grdinfo.m, part of the GMT supplemental packages.
See also GRDREAD2, GRDWRITE2