Speaking as someone who has used graphvis before, those examples are one possible mode of output. The input for the graphvis programs are plain text files. Se

Speaking as someone who has used graphvis before, those examples are one possible mode of output. The input for the graphvis programs are plain text files. See: https://en.wikipedia.org/wiki/DOT_%28graph_description_language%29 https://en.wikipedia.org/wiki/DOT_%28graph_description_langu...