public NumberTick(Number number,String label,TextAnchor textAnchor,TextAnchor rotationAnchor,double angle){
  super(number.doubleValue(),label,textAnchor,rotationAnchor,angle);
  this.number=number;
}

public NumberTick ( Number number , String label , TextAnchor textAnchor , TextAnchor rotationAnchor , double angle ) { super ( number . doubleValue ( ) , label , textAnchor , rotationAnchor , angle ) ; this . number = number ; }
creates a new tick .
