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grib save : minor update #229

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merged 2 commits into from
Nov 30, 2012
Merged

grib save : minor update #229

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ae1214e
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bblay Nov 27, 2012
2112adb
tests (using mock!)
bblay Nov 27, 2012
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@bblay
bblay committed Nov 27, 2012
commit ae1214e59a75b33bea10aba741cb0dec7cd09182
22 changes: 14 additions & 8 deletions lib/iris/fileformats/grib_save_rules.py
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Original file line number Diff line number Diff line change
Expand Up @@ -264,17 +264,23 @@ def hybrid_surfaces(cube, grib):

def non_hybrid_surfaces(cube, grib):

# pressure?
# pressure
if cube.coords("air_pressure") or cube.coords("pressure"):
grib_v_code = 100
output_unit = iris.unit.Unit("Pa")
v_coord = (cube.coords("air_pressure") or cube.coords("pressure"))[0]

# altitude
elif cube.coords("altitude"):
grib_v_code = 102
output_unit = iris.unit.Unit("m")
v_coord = cube.coord("altitude")

# # height?
# elif cube.coords("height"):
# grib_v_code = 102 # XXX is this correct?
# output_unit = iris.unti.Unit("m")
# v_coord = cube.coord("height")
# height
elif cube.coords("height"):
grib_v_code = 103
output_unit = iris.unit.Unit("m")
v_coord = cube.coord("height")

else:
raise iris.exceptions.TranslationError("Vertical coordinate not found / handled")
Expand Down Expand Up @@ -440,10 +446,10 @@ def data(cube, grib):

# mdi
if isinstance(cube.data, numpy.ma.core.MaskedArray):
gribapi.grib_set_long(grib, "missingValue", cube.data.fill_value)
gribapi.grib_set_double(grib, "missingValue", float(cube.data.fill_value))
data = cube.data.filled()
else:
gribapi.grib_set_long(grib, "missingValue", -1e9)
gribapi.grib_set_double(grib, "missingValue", float(-1e9))
data = cube.data

# values
Expand Down