title: Cannot open .dot file gvEdit
body: <p>I cannot open the attached dot file in gvEdit. 
  I tried to convert it to png file</p>
  
  <pre><code>dot -Tpng final.dot &gt; finalgraph.png
  </code></pre>
  
  <p>it gives me the following problem:</p>
  
  <pre><code>dot: graph is too large for cairo-renderer bitmaps. Scaling by 0.311296 to fit
  dot: failure to create cairo surface: out of memory
  </code></pre>
  
  <p>My purpose is only to view the dot file, how should I resolve it?</p>
  
  <p>The dot file is here:
  <a href="https://www.dropbox.com/s/vt2q653x2x9jjbj/final.dot?dl=0" rel="nofollow">https://www.dropbox.com/s/vt2q653x2x9jjbj/final.dot?dl=0</a></p>