[gdal-dev] can't handle grib file

[Margherita Di Leo]

Hi all,

I have a problem handling some grib files, I get a warning message and I
can't understand how to deal with it..

running gdalinfo, it says:

Un-handled possible ensemble section center 78 subcenter 255
[... several times, cut]
Un-handled possible ensemble section center 78 subcenter 255
Driver: GRIB/GRIdded Binary (.grb)
Files:
/home/leomarg/Desktop/Fire_event_test_case_Valencia/grib/dwd_grib1_ispra_gmi202_2012063000

Size is 201, 161
Coordinate System is:
GEOGCS["Coordinate System imported from GRIB file",
    DATUM["unknown",
        SPHEROID["Sphere",6367470,0]],
    PRIMEM["Greenwich",0],
    UNIT["degree",0.0174532925199433]]
Origin = (-10.000000000000000,74.960000000000008)
Pixel Size = (0.000000000000000,-0.000000000000000)
Corner Coordinates:
Upper Left  ( -10.0000000,  74.9600000) ( 10d 0' 0.00"W, 74d57'36.00"N)
Lower Left  ( -10.0000000,  74.9600000) ( 10d 0' 0.00"W, 74d57'36.00"N)
Upper Right ( -10.0000000,  74.9600000) ( 10d 0' 0.00"W, 74d57'36.00"N)
Lower Right ( -10.0000000,  74.9600000) ( 10d 0' 0.00"W, 74d57'36.00"N)
Center      ( -10.0000000,  74.9600000) ( 10d 0' 0.00"W, 74d57'36.00"N)
Band 1 Block=201x1 Type=Float64, ColorInterp=Undefined
  Description = 10[m] HTGL (Specified height level above ground)
  Metadata:
    GRIB_COMMENT=u-component (zonal) of wind [m/s]
    GRIB_ELEMENT=U
    GRIB_FORECAST_SECONDS=0 sec
    GRIB_REF_TIME=  1341014400 sec UTC
    GRIB_SHORT_NAME=10-HTGL
    GRIB_UNIT=[m/s]
    GRIB_VALID_TIME=  1341014400 sec UTC
Band 2 Block=201x1 Type=Float64, ColorInterp=Undefined
  Description = 10[m] HTGL (Specified height level above ground)
  Metadata:
    GRIB_COMMENT=v-component (merdional) of wind [m/s]
    GRIB_ELEMENT=V
    GRIB_FORECAST_SECONDS=0 sec
    GRIB_REF_TIME=  1341014400 sec UTC
    GRIB_SHORT_NAME=10-HTGL
    GRIB_UNIT=[m/s]
    GRIB_VALID_TIME=  1341014400 sec UTC

[...]

Furthermore, when I try with gdal_translate to convert one of the bands in
tif format, the size of the pixels created is 0x0.

Thanks in advance for any hint.

-- 
Dr. Margherita Di Leo
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