netcdf classic (CDF-1) {
dimensions:
	side = 2 ;
	xysize = 180 ;
// global attributes:
		:title = "surface" ;
		:source = "surface -R-181/-46/3/21.02 -Gxz-temp.grd -I15/1.06 -A14 -V x-z-T-age.xy" ;
variables:
	double x_range(side) ;
		x_range:units = "user_x_unit" ;
	double y_range(side) ;
		y_range:units = "user_y_unit" ;
	double z_range(side) ;
		z_range:units = "user_z_unit" ;
	double spacing(side) ;
	int dimension(side) ;
	float z(xysize) ;
		z:scale_factor = 1.0 ;
		z:add_offset = 0.0 ;
		z:node_offset = 0 ;
}