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Enlarge/Enlargegrid with 2D and 3D dataset
Added by Jens de Bruijn about 7 years ago
Hi,
I have 2 NetCDF files that I would like to merge: sa1_GSMaP_daymean.nc and sa2_GSMaP_daymean.nc. Both are 3-D datasets.
sa_DEM.nc is a 2D dataset in which the area represents the area of the 2 merged files. Unfortunately, when I issue the following 2 commands the temporary outputfile (sa_tmp.nc) keeps expanding far beyond the two inputfiles added together and then crashes when the disk is full.
cdo enlargegrid,sa_DEM.nc sa1_GSMaP_daymean.nc sa_tmp.nc
cdo mergegrid sa_tmp.nc sa2_GSMaP_daymean.nc sa_GSMaP_daymean.nc
Thank you for your help!
Hi Jens!
Could you make file available for download?
cheers
ralf
Dear Ralph, Unfortunately, my datasets are 18GB and 16GB.. 
for grid-related operations usually the first timestamp is sufficient. if it's still to large to upload, you can use our ftp server:ftp.zmaw.de
user: anonymous
passwd: mail-address
write access below incomming directory
hth
ralf
I have uploaded the files with the first 2 timesteps to the folder incoming/jens.
Thank you so much for having a look!
Jens
Try the CDO operator collgrid for this task:
cdo collgrid sa1_GSMaP_daymean.nc sa2_GSMaP_daymean.nc result
I uploaded some result files to
ftp.zmaw.de:/outgoing/ram
you can check the commands in the history attribute
with remapbil and mergegrid I had memory problems, but collgrid worked out of the box.
hth
ralf