[gdal-dev] how to convert netCDF image
Gong, Shawn (Contractor)
Shawn.Gong at drdc-rddc.gc.ca
Fri Jan 9 09:55:56 EST 2009
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).
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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