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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:

SubcommandSource
nrt_arNRT: Arctic Sea
nrt_boNRT: Baltic Sea
nrt_moNRT: Mediterranean Sea
nrt_glNRT: Global
coraCORA: current format
cora_legacyCORA: 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.