$ gemmi xds2mtz -h
Usage:
  gemmi xds2mtz [options] XDS_FILE MTZ_FILE
Options:
  -h, --help               Print usage and exit.
  -V, --version            Print version and exit.
  -v, --verbose            Verbose output.
  --title                  MTZ title.
  -H LINE, --history=LINE  Add a history line.
  --project=PROJECT        Project in MTZ hierarchy (default: 'XDSproject')
  --crystal=CRYSTAL        Crystal in MTZ hierarchy (default: 'XDScrystal')
  --dataset=DATASET        Dataset in MTZ hierarchy (default: 'XDSdataset')
  --batchmin=BATCHMIN      Delete reflections with BATCH<BATCHMIN (default: 1)

Polarization correction and overload elimination options for INTEGRATE.HKL
files:
  --polarization=VALUE     XDS parameter FRACTION_OF_POLARIZATION
  --normal='Pnx Pny Pnz'   XDS POLARIZATION_PLANE_NORMAL (default: '0 1 0')
  --overload=OVERLOAD      XDS parameter OVERLOAD to eliminate reflections with
                           MAXC>OVERLOAD

If XDS_FILE is -, the input is read from stdin.
