code: public void setDecimalVisible(final boolean DECIMAL_VISIBLE) {
          if (DECIMAL_VISIBLE) {
              DECIMAL_FORMAT.applyPattern("0.0");
          } else {
              DECIMAL_FORMAT.applyPattern("0");
          }
          this.decimalVisible = DECIMAL_VISIBLE;
          repaint();
      }
docs: Enables / disables the visibility of the decimals on the degree value
  @param DECIMAL_VISIBLE