λ python main.py  --help
Usage: main.py [OPTIONS] COMMAND [ARGS]...

Options:
  --install-completion [bash|zsh|fish|powershell|pwsh]
                                  Install completion for the specified shell.
  --show-completion [bash|zsh|fish|powershell|pwsh]
                                  Show completion for the specified shell, to
                                  copy it or customize the installation.
  --help                          Show this message and exit.

Commands:
  b3dm     convert gltf to b3dm
  glb      convert gltf to glb
  tileset  split gltf model to 3d tiles

λ python main.py glb --help
Usage: main.py glb [OPTIONS] FIN [FOUT]

  convert gltf to glb

Arguments:
  FIN     input gltf path  [required]
  [FOUT]  Optional output glb path (defaults to the path of the input file)

Options:
  --help  Show this message and exit.

 λ python main.py b3dm --help
Usage: main.py b3dm [OPTIONS] FIN [FOUT]

  convert gltf to b3dm

Arguments:
  FIN     input gltf path  [required]
  [FOUT]  Optional output b3dm path(defaults to the path of the input file)

Options:
  --help  Show this message and exit.

 λ python main.py tileset --help
Usage: main.py tileset [OPTIONS] FIN [FOUT]

  split gltf model to 3d tiles

Arguments:
  FIN     input gltf path  [required]
  [FOUT]  Optional output glb path (defaults to the path of the input file)

Options:
  --measure [meter|foot]  measure of attributes in gltf buffers  [default:
                          Measure.METER]
  --help                  Show this message and exit.