HDF5 file, superblock version 2
group /
	attribute Conventions = "COARDS, CF-1.5"
	attribute GMT_version = "5.0.1b_r12392 [64-bit]"
	attribute description = "grdsample -R-180/180/-90/90 -I10m/10m /Users/altim/data/ETOPO2/etopo2v2.nc -Getopo10.nc"
	attribute history = "grdreformat test/genper/etopo10.nc etopo10.nc=ns"
	attribute node_offset = 1
	attribute title = "Produced by grdreformat"
dataset /lat: float64, shape (1080)
	attribute actual_range = -90.0, 90.0
	attribute long_name = "latitude"
	attribute units = "degrees_north"
// lat: first -89.91666666666667, last 89.91666666666667, count 1080
dataset /lon: float64, shape (2160)
	attribute actual_range = -180.0, 180.0
	attribute long_name = "longitude"
	attribute units = "degrees_east"
// lon: first -179.91666666666666, last 179.91666666666666, count 2160
dataset /z: int16, shape (1080, 2160)
	attribute _FillValue = -32768
	attribute actual_range = -10757.0, 7362.0
	attribute long_name = "z"