private void initCellSize(){
  this.cellRadius=(this.width - offset * 2) / 4 / 2;
  this.cellInnerRadius=this.cellRadius / 3;
  this.cellBoxWidth=(this.width - offset * 2) / 3;
  this.cellBoxHeight=(this.height - offset * 2) / 3;
}

private void initCellSize ( ) { this . cellRadius = ( this . width - offset * 2 ) / 4 / 2 ; this . cellInnerRadius = this . cellRadius / 3 ; this . cellBoxWidth = ( this . width - offset * 2 ) / 3 ; this . cellBoxHeight = ( this . height - offset * 2 ) / 3 ; }
initialize cell size ( include circle radius , inner circle radius , cell box width , cell box height )
