Post 4-State bar code descriptors
80
British Royal Mail 4-State customer code
Japan Post 4-State bar code
Key Range Default value Description
/Symbology — /RoyalMail Identifies the bar code symbology
/Bars 38–63 (dec) 50 (dec)
[integer]
Sets the bar width to 1/100 mm
/Spaces 20–24 (dec) 22 (dec)
[integer]
Sets the number of bars that print per inch
/TrackerHeight 102–152 (dec) 127 (dec)
[integer]
Sets the tracker height to 1/100 mm
/Ascender,
Descender Offset
160–216 (dec) 188 (dec)
[integer]
Sets the ascender and descender offset in 1/
100 mm
The total height of an ascender or descender is
the sum of this field and the tracker height.
/QuietZone [int int] [150 150]
[array of
integers]
Optional
Sets the quiet zone in /Units
/Units — — The value is 1/100 mm
Key Range Default value Description
/Symbology — /JapanPostal Identifies the bar code symbology
/Size 80–115 (dec) 100 (dec)
[integer]
Optional
The overall size of the bar code is in decipoints
(1/10 pt).
/Bars 0.5–0.7 times the /
Size parameter
above
0.6 times /Size Sets the bar width to 1/100 mm
The range for this value changes based on the
/Size setting. For example, if /Size is set to
100, the range for this value is 50 to 70, with
the default setting being 60. If the value is set
outside the valid range, then the closest value
inside the range is used
/Spaces 0.45–0.6 times the
/Size parameter
above
0.6 times /Size See /Bars description above.
/TimingBar 1.05–1.35 times
the /Size
parameter above
1.2 times /Size See /Bars description above.
/LongBar 3.4–3.6 times the /
Size parameter
above
3.6 times /Size See /Bars description above.
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