page_size:             # all measurements in mm
  width:        210    # width of the paper sheet
  height:       297    # height of the paper sheet
reg_marks:
  margin:        10    # distance from each page border to registration mark center
  radius:         2.5  # registration mark radius
  offset:         6    # distance between the search area and each page border (*)
  crop:          20
  blur:           2
  dilate:         5
header:
  name:                # ‘name’ is just a label; you can add arbitrary header elements
    top:          5    # margin relative to registration frame top side
    left:        15    # margin relative to registration frame left side
    width:      170    # text will be fitted to this width
    height:       7    # text will be fitted to this height
    size:        14    # font size
  title:
    top:         15
    left:        15
    width:      180
    height:      12
    size:        12
  code:
    top:          5
    left:       165
    width:       20
    height:      10
    size:        14
  signature:
    top:         30
    left:         7.5
    width:      120
    height:      15
    size:         7
    box:       true    # header element will be enclosed in a box
items:
  top:           55.5  # response area margin, relative to reg frame
  left:          10.5  # response area margin, relative to reg frame
  rows:          30    # number of items per column
  columns:        4    # number of columns
  column_width:  44    #
  x_spacing:      7    # horizontal distance between ajacent cell centers
  y_spacing:      7    # vertical distance between ajacent cell centers
  cell_width:     6    # width of each choice and calibration cell
  cell_height:    5    # height of each choice and calibration cell
  max_cells:      5    # maximum number of choices per item
  font_size:      9    # size of both the item number and choice cell letter
  number_width:   8    #
  number_margin:  2    # margin between
barcode:
  bits:          40    # the maximum sheet identifier is 2 to the power or bits
  left:          15    # distance between registration frame side and the first barcode bit
  width:          3    # width of each barcode bit
  height:         3    # height of each barcode bit from the registration frame bottom side
  spacing:        4    # horizontal distance between adjacent barcode bit centers