Etienne, Chris, thank you very much for your response!
I'll take a closer look at this software, though I wish to be dependent
on fewer packages.
Anton
On 07/23/2012 08:09 PM, Etienne Tourigny wrote:
Chris is right - the netcdf driver in gdal was designed to read netcdf
data and create netcdf files from other formats, not write complex
files.
Anything else is a hack - better to use other tools if you want to
combine bands, variables, etc.
Etienne
On Mon, Jul 23, 2012 at 2:07 PM, Chris Barker <chris.bar...@noaa.gov> wrote:
On Mon, Jul 23, 2012 at 7:50 AM, Anton Korosov <anton.koro...@nersc.no> wrote:
how to create a NetCDF file with several variables that have more than two
dimensions?
I"m sure you can get this to work, but...
netcdf has a pretty different data model than GDAL -- I suspect you'll
be fighting that regularly. You may be better off workign with a more
native netcdf driver. If you are at all familiar with Python, the
"netCDF4" python module is great:
http://netcdf4-python.googlecode.com/svn/trunk/docs/netCDF4-module.html
( you can read stuff in other formats with GDAL, and write with
netcdf4, if that makes sense )
you may want to give it a try.
-Chris
I have to save time series of several fields (sst, chlorophyll, etc) in one
file.
I found that in order to create one 3D variable I can add
NETCDF_DIM_EXTRA, NETCDF_DIM_time_DEF, NETCDF_DIM_time_VALUES to the
metadata in a VRT file. Then I use 'gdal_translate -of NetCDF' or
gdal.GetDriverByName('NetCDF').CreateCopy() to generate a .nc file.
However I cannot make several 3D variables!
Here are two VRTs. One works fine (one variable: 'sst', 3 dimentions: time,
x, y). Another one produces two variables (chl, sst) but time dimension is
not added!
Is it possible to do it in theory?
I use the latest release of GDAL 2.0dev
With best regards and great thanks for the developers of the fantastic
NetCDF driver!
Anton
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Oceanographer
Emergency Response Division
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