convert
Convert a single NetCDF file into a Parquet file.
ctddump convert <subcommand> [OPTIONS] <src_file> <target_file>
The subcommand selects the source format and its defaults:
| Subcommand | Source |
|---|---|
nrt_ar | NRT: Arctic Sea |
nrt_bo | NRT: Baltic Sea |
nrt_mo | NRT: Mediterranean Sea |
nrt_gl | NRT: Global |
cora | CORA: current format |
cora_legacy | CORA: legacy format |
Examples
ctddump convert nrt_ar input.nc output.parquet
ctddump convert nrt_bo input.nc output.parquet
ctddump convert cora input.nc output.parquet
ctddump convert cora_legacy input.nc output.parquet
Use a saved TOML preset, or override individual fields with flags:
# Apply a config preset
ctddump convert nrt_ar --config my_preset.toml input.nc output.parquet
# Override a single field
ctddump convert nrt_bo --no-deph-source input.nc output.parquet
See Configuration for the available flags and the TOML format, and Output schema for the columns produced.