void initYifanHu() { layout = yifanHu.buildLayout(); layout.setGraphModel(graphModel); layout.resetPropertiesValues(); layout.setAdaptiveCooling(false); layout.setStepRatio(stepRatio); layout.setOptimalDistance(optimalDistance); layout.setBarnesHutTheta(barnesHutTheta); layout.setQuadTreeMaxLevel(quadTreeMaxLevel); layout.initAlgo(); }