void setHintAngles(){
    	  this.hintAngles = new ArrayList<Coordinate>();
    	  float interval = parent.TWO_PI/this.numTimeSlices;       	 
    	  float startAngle, endAngle;    	 
    	  for (int i=0;i<this.numTimeSlices;i++){    		  
    		  //First, calculate the angles for the current time interval
    		  startAngle = (i*interval);    		  
    		  endAngle = (startAngle + interval);       		 
    		  
    		  //Add the start and end angles for the current time slice (i), off-setting it by half pi
    		  //So that the beginning of time is at the top of the node (like a clock)
    		  
    		  this.hintAngles.add(new Coordinate(startAngle, endAngle));
    		  //System.out.println(i+" "+startAngle*180/Math.PI+" "+endAngle*180/Math.PI);
    	  }
    	  this.hintSegmentAngle = interval;
      }