Usage: gdal vector geom <SUBCOMMAND> [OPTIONS]
where <SUBCOMMAND> is one of:
  - buffer:              Compute a buffer around geometries of a vector dataset.
  - explode-collections: Explode geometries of type collection of a vector dataset.
  - make-valid:          Fix validity of geometries of a vector dataset.
  - segmentize:          Segmentize geometries of a vector dataset.
  - set-type:            Modify the geometry type of a vector dataset.
  - simplify:            Simplify geometries of a vector dataset.
  - swap-xy:             Swap X and Y coordinates of geometries of a vector dataset.
Common Options:
  -h, --help              Display help message and exit
  --json-usage            Display usage as JSON document and exit
  --config <KEY>=<VALUE>  Configuration option [may be repeated]