private void simpleDraw() throws Exception {
	
  // build graph		
  Graph graph = GraphFactory.newGraph();
  graph.getInfo().setCaption("My test drawing");

  GraphNode f = graph.addNode();
  f.getInfo().setCaption("father");
  f.getInfo().setFillColor("cyan");
			 
  GraphNode m = graph.addNode();
  m.getInfo().setCaption("mother");
  m.getInfo().setFillColor("pink");
	
  GraphNode c = graph.addNode();
  c.getInfo().setCaption("child"); 
  m.getInfo().setFillColor("yellow");
	
  GraphEdge ab = graph.addEdge(f, c);	
  ab.getInfo().setCaption("parent");
	
  GraphEdge bc = graph.addEdge(m, c);
  bc.getInfo().setCaption("parent");
		
  // output graph to *.gif
  final String dotFileName = outFolder + "\\SimpleDraw.dot"; 
  final String gifFileName = outFolder + "\\SimpleDraw.gif";
	
  GRAPHtoDOTtoGIF.transform(
    graph, dotFileName, gifFileName, exeFile
  );
}