public DataMountainForceLayout(boolean enforceBounds) {
super("data",enforceBounds,false);
ForceSimulator fsim = new ForceSimulator();
fsim.addForce(new NBodyForce(-0.4f, 25f, NBodyForce.DEFAULT_THETA));
fsim.addForce(new SpringForce(1e-5f,0f));
fsim.addForce(new DragForce());
setForceSimulator(fsim);
m_nodeGroup = "data";
m_edgeGroup = null;