public int getPieIndex() {
        return this.pieIndex;
    }

    /**
     * Sets the pie index.
     *
     * @param index  the new index value.
     * 
     * @see #getPieIndex()
     */
    public void setPieIndex(int index) {
        this.pieIndex = index;
    }

    /**
     * Returns the section index.
     *
     * @return The section index.
     * 
     * @see #setSectionIndex(int)
     */
    public int getSectionIndex() {
        return this.sectionIndex;