public ArrayList<ChartSet> prepareEnterAnimation(ChartView chartView){
  mIsExiting=false;
  return prepareAnimation(chartView);
}

public ArrayList < ChartSet > prepareEnterAnimation ( ChartView chartView ) { mIsExiting = false ; return prepareAnimation ( chartView ) ; }
method that prepares the enter animation . defines starting points , targets , distance , yadda , as well as the first set of points to be drawn .
