On Fri, Jan 9, 2009 at 3:55 PM, Gong, Shawn (Contractor)
<shawn.g...@drdc-rddc.gc.ca> wrote:
> hi list,
>
> I have some netCDF images that are in lat/lon. But they are flipped upside
> down, and longitude is around 300 deg instead of -60 deg (West).

This sounds like
http://trac.osgeo.org/gdal/ticket/2654
or
http://trac.osgeo.org/gdal/ticket/2584

Which GDAL version do you use? *Something* was fixed (possibly also
your problem).

Markus



> What gdal function can I use to convert/flip it to lat/lon and into [-180, 
> 180]?
>
> thanks,
>
> Shawn
>
> gdalinfo owsofa.nc
>
> Driver: netCDF/Network Common Data Format
>
> Files: owsofa.nc
>
> Size is 512, 512
>
> Coordinate System is `'
>
> Metadata:
>
>   NC_GLOBAL#Title=OWS gridded fields
>
>   NC_GLOBAL#Conventions=CF-1.3
>
> Subdatasets:
>
>   SUBDATASET_1_NAME=NETCDF:"owsofa.nc":SST
>
>   SUBDATASET_1_DESC=[105x189] SST (32-bit floating-point)
>
>   SUBDATASET_2_NAME=NETCDF:"owsofa.nc":SST1
>
>   SUBDATASET_2_DESC=[105x189] SST1 (32-bit floating-point)
>
>   SUBDATASET_3_NAME=NETCDF:"owsofa.nc":T150
>
>   SUBDATASET_3_DESC=[105x189] T150 (32-bit floating-point)
>
> Corner Coordinates:
>
> Upper Left  (    0.0,    0.0)
>
> Lower Left  (    0.0,  512.0)
>
> Upper Right (  512.0,    0.0)
>
> Lower Right (  512.0,  512.0)
>
> Center      (  256.0,  256.0)
>
> gdalinfo NETCDF:"owsofa.nc":SST
>
> Driver: netCDF/Network Common Data Format
>
> Files: none associated
>
> Size is 189, 105
>
> Coordinate System is `'
>
> Origin = (284.875000000000000,60.125000000000000)
>
> Pixel Size = (0.250000000000000,-0.250000000000000)
>
> Metadata:
>
>   NC_GLOBAL#Title=OWS gridded fields
>
>   NC_GLOBAL#Conventions=CF-1.3
>
>   SST#units=degree_C
>
>   SST#long_name=SST
>
>   SST#start_time=2008-DEC-02 0936
>
>   SST#end_time=2008-DEC-05 0936
>
>   SST#grid_mapping=crs
>
>   SST#_FillValue=1.000000e+35
>
>   lon#units=degrees_east
>
>   lon#long_name=longitude
>
>   lon#standard_name=longitude
>
>   lat#units=degrees_north
>
>   lat#long_name=latitude
>
>   lat#standard_name=latitude
>
>   crs#grid_mapping_name=latitude_longitude
>
>   crs#longitude_of_prime_meridian=0
>
>   crs#semi_major_axis=6.37814e+06
>
>   crs#inverse_flattening=298.257
>
> Corner Coordinates:
>
> Upper Left  (     284.875,      60.125)
>
> Lower Left  (     284.875,      33.875)
>
> Upper Right (     332.125,      60.125)
>
> Lower Right (     332.125,      33.875)
>
> Center      (     308.500,      47.000)
>
> Band 1 Block=189x1 Type=Float32, ColorInterp=Undefined
>
>   NoData Value=1.00000004091847876e+35
>
>   Metadata:
>
>     NETCDF_VARNAME=SST
>
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