From 0d66fc712f435d859afd708fadb1dc8ee8c1c6c3 Mon Sep 17 00:00:00 2001
From: Yann Esposito <yann.esposito@gmail.com>
Date: Thu, 11 Oct 2012 16:52:20 +0200
Subject: [PATCH] better graph handling

---
 lib/graph.rb | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/lib/graph.rb b/lib/graph.rb
index 42f80fbbb..3eefa1f23 100644
--- a/lib/graph.rb
+++ b/lib/graph.rb
@@ -55,8 +55,13 @@ class Graph < Nanoc3::Filter
             FileUtils.mkdir_p('output'+@item.path+'graph')
             webpath=@item.path + 'graph/' + filename + '.png'
             path='output'+webpath
-            # puts  "dot -Tpng -o #{path} /tmp/graphtemp.dot"
-            system("dot -Tpng -o #{path} /tmp/graphtemp.dot")
+            if str.match(/pos=/)
+                prog="neato"
+            else
+                prog="dot"
+            end
+            # puts  "#{prog} -Tpng -o #{path} /tmp/graphtemp.dot"
+            system("#{prog} -Tpng -o #{path} /tmp/graphtemp.dot")
             # puts %{<img alt="#{title}" src="#{webpath}"/>}
             %{<figure><img alt="#{title}" src="#{webpath}"/><figcaption>#{title}</figcaption></figure>}
         end