
delft3d_grd2kml('lake_and_sea_5_ll.grd',... % we did coordinate conversion outside matlab
                   'epsg',4326,...          % not used for spherical grids
                    'dep','dep_at_cor_triangulated_filled_corners.dep',...
                 'dpsopt','mean',...
              'zScaleFun',@(z) (z+25)*250);
                   