$ ig -o include

usage: ig [-h] [--pattern PATTERNS] [-i PREFIXES] [-v] [-p PORT] [-o] [-j]
          [-d DIRECTORY] [--relation {includes,included-by}]
          [--min-degree MIN_DEGREE] [--group-granularity GROUP_GRANULARITY]
          [--full-path] [--colors COLORS] [--color-variation COLOR_VARIATION]
          [--color-alpha-min COLOR_ALPHA_MIN]
          directories [directories ...]

Visualize C++ include graphs

positional arguments:
  directories           The directories to inspect

optional arguments:
  -h, --help            show this help message and exit
  --pattern PATTERNS    The file (glob) patterns to look for
  -i PREFIXES, -I PREFIXES, --prefix PREFIXES
                        An include path for headers to recognize
  -v, --verbose         Turn on verbose output
  -p PORT, --port PORT  The port to serve the visualization on
  -o, --open            Open the webpage immediately
  -j, --json            Print the graph JSON and instead of serving it
  -d DIRECTORY, --dir DIRECTORY
                        The directory to store the served files in. If not
                        supplied, a temporary directory is created.
  --relation {includes,included-by}
                        The relation of edges in the graph
  --min-degree MIN_DEGREE
                        The initial minimum degree nodes should have to be
                        displayed
  --group-granularity GROUP_GRANULARITY
                        How coarse to group nodes (by folder)
  --full-path           If set, shows the full path for nodes
  --colors COLORS       The base RGB colors separated by commas
  --color-variation COLOR_VARIATION
                        The variation in RGB around the base colors
  --color-alpha-min COLOR_ALPHA_MIN
                        The minimum alpha value for colors

$ pip install ig-cpp