GraphVizTest

GraphVizTest.rb

require "graphviz"

#http://www.graphviz.org/Download_windows.php

g = GraphViz::new("G", { :type => "digraph", :use => "dot"})

depends = {
  1 => [],
  2 => [1],
  3 => [1],
  4 => [3],
  5 => [3],
  6 => [2],
  7 => [5],
  8 => [7],
  9 => [7],
  10 => [6, 7]
}

depends.each do |job, list|
  j = g.add_nodes(job.to_s)
  list.each do |d|
    g.add_edges(j, g.add_nodes(d.to_s))
  end
end

g.output(png: "result.png")