pick_ruby.dot

digraph pick_ruby {
    rankdir = "TB";
    size = "8.5";
    esep = 1;
    splines = true;
    graph [fontname = "Open Sans" fontsize=18];
    edge [fontname = "Open Sans" fontsize=18];
    node [shape = "rect" fontname = "Open Sans" fontsize=18];

    "Do you want concurrency and/or parallelism?" -> "Are you a sadist?" [label = "No"];

    "Are you a sadist?" -> "CRuby 2.x" [label = "No"];
    "Are you a sadist?" -> "CRuby 1.8" [label = "Yes"];

    "Do you want concurrency and/or parallelism?" -> "Do you need to interact with Java code?" [label = "Yes"];

    "Do you need to interact with Java code?" -> "JRuby" [label = "Yes"];

    "Do you need to interact with Java code?" -> "Do you need C extension support?" [label = "No"];

    "Do you need C extension support?" -> "Rubinius" [label = "Yes"];

    "Do you need C extension support?" -> "Do you want the implementation to be written in Ruby itself?" [label = "No"];

    "Do you want the implementation to be written in Ruby itself?" -> "Do you hate the JVM/Java?" [label = "No/don't care"];

    "Do you want the implementation to be written in Ruby itself?" -> "Rubinius" [label = "Yes"];

    "Do you hate the JVM/Java?" -> "Rubinius" [label = "Yes"];

    "Do you hate the JVM/Java?" -> "Do you want to use Java tooling?" [label = "No"];

    "Do you want to use Java tooling?" -> "JRuby" [label = "Yes"];

    "Do you want to use Java tooling?" -> "Rubinius" [label = "No"];
}