ruby-graphviz とは、 Ruby から Grapviz を簡単に扱えるようにするソフトウェア
◆ Ubuntu での実行手順の例
sudo apt -y update sudo apt -y install ruby-full sudo apt -y install ruby1.9.1-dev sudo gem install ruby-graphviz
※ Graphviz のインストールも済ませておくこと
require "ruby-graphviz" gv = GraphViz.new( :G, :type => :digraph ) s = gv.add_nodes( "s" ) p = gv.add_nodes( "p" ) q = gv.add_nodes( "q" ) r = gv.add_nodes( "r" ) gv.add_edges( s, p ) gv.add_edges( s, q ) gv.add_edges( p, p ) gv.add_edges( p, r ) gv.add_edges( q, p ) gv.add_edges( q, r ) gv.add_edges( r, s ) gv.output( :png => "sample1.png" )
実行結果例
require "ruby-graphviz" require "graphviz/theory" gv = GraphViz.new( :G, :type => :digraph ) s = gv.add_nodes( "s" ) p = gv.add_nodes( "p" ) q = gv.add_nodes( "q" ) r = gv.add_nodes( "r" ) gv.add_edges( s, p ) gv.add_edges( s, q ) gv.add_edges( p, p ) gv.add_edges( p, r ) gv.add_edges( q, p ) gv.add_edges( q, r ) gv.add_edges( r, s ) t = GraphViz::Theory.new( gv ) puts t.adjancy_matrix puts t.incidence_matrix
実行結果例