NCO - Revision history

Guillaume: /* Examples */

2010-03-30T10:31:21Z

‎Examples

2009-02-23T17:45:17Z

‎PCOMS subset netcdf extraction and gluing

2009-02-23T13:43:18Z

2009-02-23T13:11:48Z

2009-02-23T13:10:09Z

2009-02-23T12:35:22Z

‎PCOMS renaming a variable in all files

2009-02-23T12:34:59Z

‎PCOMS renaming a variable in all files

2009-02-23T12:32:39Z

‎Applied examples

2009-02-17T16:46:04Z

2009-02-05T16:55:13Z

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 in netCDF ‘in.nc’.
   > ncrename -a u:long_name,largo_nombre in.nc
 ===ncks extracts===

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 L. Fernandes produces daily netcdf datasets for the portuguese coast available on a thredds catalog [http://data.mohid.com:8080/thredds/catalog/MohidAll/pcoms/catalog.html here]. Our goal is to extract a subset and glue the files together.
   > ncks
 ===PCOMS renaming a variable in all files===

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   for> echo .;
   for> done
 [[Category:Linux]]
 [[Category:Netcdf]]

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 Rename attribute long_name into CF compliant attribute
-  > time for i in `ls -1 | grep U_V`; do sudo ncatted -O -a standard_name,vm,m,c,"sea_water_speed" $i; echo .;done
+  > time for i in `ls -1 | grep U_V`;
 [[Category:Linux]]
 [[Category:Netcdf]]

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 ===PCOMS renaming a variable in all files===
 Rename variable ''vm'' into CF compliant variable name ''sea_water_speed'':
-  >  for i in `ls -1 | grep U_V`; do sudo ncrename -v vm,sea_water_speed $i; echo . ; done
+  > time for i in `ls -1 | grep U_V`; do sudo ncrename -v vm,sea_water_speed $i; echo . ; done
 [[Category:Netcdf]]

← Older revision		Revision as of 12:32, 23 February 2009
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	> ncks		> ncks
		+
		+	===PCOMS renaming a variable in all files===
		+	Rename variable ''vm'' into CF compliant variable name ''sea_water_speed'':
		+	> for i in `ls -1 \| grep U_V`; do sudo ncrename -v vm,sea_water_speed $i; done
		+

	[[Category:Netcdf]]		[[Category:Netcdf]]

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 They are [[netcdf]] files averagers, concateners and renamer operators that act on a netcdf dataset [[hyperslab]] or an ensemble of netcdf datasets [[hyperslab|hyperslabs]].
 ==Examples==
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 The first line transposes the lat and lon dimensions. The second line trims the deptht dimension. The third line inverts the deptht dimension, and finally, the last line, excludes all variables, except the temperature and the salinity.
 [[Category:Netcdf]]

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 any coordinate variables associated with pressure. The ‘out.nc’ from the second version is
 guaranteed to contain only two variables time and pressure.
 ===nca averages===