title: How to define a node shape in graphviz?
body: <p>I want to draw circle as the node in dot. I am using the following simple code which should draw circle. But it draws draws eclipse instead. This is my code :</p>
  
  <pre><code>digraph G {
  node [ shape=circle, width=0.5, height = 0.5, fixedsize=true]
  Node1  -&gt; Node1 ;
  Node1 -&gt; Node2;
  Node2 -&gt; Node1;
  Node2 -&gt; Node2;
  };
  </code></pre>
  
  <p>This is what I get :</p>
  
  <p><img src="https://i.stack.imgur.com/aKAtQ.png" alt="enter image description here"></p>
  
  <p>How do I draw circle?</p>