nauty-ancestorg - removes a specified number of final vertices
ancestorg [-q] [-g#:#|-g#] [infile
[outfile]]
- The g-th generation ancestor of a graph is the graph obtained by
removing
- the final g vertices. The 0-th generation ancestor is the graph itself.
For each input graph, write the ancestors whose generation is given by the
g argument. No zero-sized graphs are written. Output is always in graph6
format.
- The output file has a header if and only if the input file does.
- -g# -g#:#
- Specify a generation or range of generations (default: all)
- -q
- Suppress auxiliary information