pipeline.gv

digraph partmc_modules {
    rankdir = TB;
    node [fontsize = 10, height = 0.3, width = 0.5];
    graph [nodesep = 0.2, ranksep = 0.3];
    edge [arrowsize = 0.7];

    library [label="library.tex", fixedsize=true, width=1.3, height=0.5, fontname=Courier, shape=invhouse, style=filled, fillcolor=honeydew1];
    scantron [label="scantron.dat", fixedsize=true, width=1.3, height=0.5, fontname=Courier, shape=invhouse, style=filled, fillcolor=honeydew1];
    override [label="override.csv", fixedsize=true, width=1.3, height=0.5, fontname=Courier, shape=invhouse, style=filled, fillcolor=honeydew1];

    students [label="students, Scantron", shape=hexagon, style=filled, fillcolor=mistyrose1];

    exams [label="exams.tex", fontname=Courier, shape=box, style=filled, fillcolor=lavender];
    solutions [label="solutions.csv", fontname=Courier, shape=box, style=filled, fillcolor=lavender];
    specs [label="specs.csv", fontname=Courier, shape=box, style=filled, fillcolor=lavender];
    points [label="points.csv", fontname=Courier, shape=box, style=filled, fillcolor=lavender];
    answers [label="answers.csv", fontname=Courier, shape=box, style=filled, fillcolor=lavender];
    scores [label="scores.csv", fontname=Courier, shape=box, style=filled, fillcolor=lavender];
    stats [label="stats.tex", fontname=Courier, shape=box, style=filled, fillcolor=lavender];
    statsdata [label="stats_*.csv", fontname=Courier, shape=box, style=filled, fillcolor=lavender];

    proc_lib [label="randexam proc-lib", fontname=Courier, shape=ellipse, style=filled, fillcolor=cornsilk1];
    proc_scan [label="randexam proc-scan", fontname=Courier, shape=ellipse, style=filled, fillcolor=cornsilk1];
    proc_ans [label="randexam proc-ans", fontname=Courier, shape=ellipse, style=filled, fillcolor=cornsilk1];

    library -> proc_lib
    proc_lib -> { solutions; exams; specs; points }
    exams -> students
    students -> scantron
    { scantron; specs } -> proc_scan
    proc_scan -> answers
    { specs ; answers; points; override } -> proc_ans
    proc_ans -> { scores; stats; statsdata }
}