code: protected BufferedImage create_BARGRAPH_TRACK_Image(final int WIDTH, final double START_ANGLE,
                                                                         final double ANGLE_EXTEND,
                                                                         final double APEX_ANGLE,
                                                                         final double BARGRAPH_OFFSET) {
          return create_BARGRAPH_TRACK_Image(WIDTH, START_ANGLE, ANGLE_EXTEND, APEX_ANGLE, BARGRAPH_OFFSET, null);
      }
docs: Returns the bargraph track image
  with the given with and height.
  @param WIDTH
  @param START_ANGLE
  @param ANGLE_EXTEND
  @param APEX_ANGLE
  @param BARGRAPH_OFFSET
  @return buffered image containing the bargraph track image