public void initialize() {
		String parameter = this.getParamString();
		if(parameter.equals("")){
			if(Configuration.dimX < Configuration.dimY){
				radius = Configuration.dimX / 3.0;
			}
			else{
				radius = Configuration.dimY / 3.0;
			}
		}
		else{
			radius = Double.parseDouble(parameter);
		}
		
		oneStep = 360.0 / numberOfNodes;
	}