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pV2N

Parallel Vic-to-netCDF batch conversion

Performs a batch (parallel) conversion of VIC files to netCDF using the tonic library.

To use, simply edit run.sh to match your specific configuration. In particular, change the year_range variable: to circumvent memory issues, the range should not extend more than 40 years. Use other machines to run the remaining years.

To run, call run.sh. Note that it will iterate over all GCMs defined in the gcm_list variable.

To run a single, specific configuration, call python driver.py with the specific arguments you desire:

usage: driver.py [-h] [-y0 YEAR_BEGIN] [-y1 YEAR_END] [-g GCM] [-np NPROCS]
                 [-in INFILES] [-out OUTDIR] [-p PREFIX]

Parallel batch conversion from VIC to netCDF file formats. Given initial
parameters, will convert (in parallel!) requested files to the binary netCDF
format. Uses the big memory mode - be careful how many years and processes you
allocate! (20 processors will require approximately 150 GB of RAM. Keep an eye
on htop - this program WILL slow to a crawl if swap space becomes required!)

optional arguments:
  -h, --help            show this help message and exit
  -y0 YEAR_BEGIN, --year_begin YEAR_BEGIN
                        Beginning year of conversions
  -y1 YEAR_END, --year_end YEAR_END
                        Ending year of conversions
  -g GCM, --gcm GCM     Name of GCM (i.e., CCSM4)
  -np NPROCS, --nprocs NPROCS
                        Number of processors to request in pool
  -in INFILES, --infiles INFILES
                        Path to infiles. Wildcard (*) required!
  -out OUTDIR, --outdir OUTDIR
                        Base directory to write netCDF files to. Will
                        automatically append GCM name to the dir.
  -p PREFIX, --prefix PREFIX
                        desired prefix for the written netCDF files.