public void upLoadNodes(){
		// All nodes are VertexPulse except the final node
		for (int i = 0; i < NumNodes; i++) {
			if(i!=(LastNode-1)){
				Gd.addVertex(new VertexPulse(i) );
			}
		}
		// The final node is a FinalVertexPulse 
		FinalVertexPulse vv = new FinalVertexPulse(LastNode-1);
		Gd.addFinalVertex(vv);
	}