public void toThreeD(){
        double[] hold0 = (double[])this.point.clone();
        double[] hold1 = new double[3];
        if(this.nDimensions>3){
            System.out.println("Method toThreeD:  Dimensions are greater than three so instance cannot be convertd to a three D Point");
        }
        else{
            if(this.nDimensions<3){
                for(int i=0; i<this.nDimensions; i++)hold1[i] = hold0[i];
                for(int i=this.nDimensions; i<3; i++)hold1[i] = 0.0; 
                this.point = hold1;
                this.nDimensions = 3;
            }
        }
    }