Post 4-State bar code descriptors
78
British Royal Mail 4-state customer code
Japan post 4-state bar code
Key Range Default value Description
/Symbology /RoyalMail Symbology identification
/Bars 38-63 (dec) 50 (dec)
[integer]
Sets the bar width in 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 in 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 will be the sum of this field and the
tracker height
/QuietZone [int int] [150 150]
[array of
integers]
Optional; in /Units
/Units 1/100 mm
Key Range Default value Description
/Symbology /JapanPostal Symbology identification
/Size 80-115 (dec) 100 (dec)
[integer]
Overall size of bar code in decipoints (1/10 pt.,
optional)
/Bars 0.5-0.7 times the /
Size parameter
above
0.6 times /Size Sets the bar width in 1/100 mm. The range for
this value changes based on the /Size setting.
For example, if /Size = 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,
the closest value inside the range will be used
/Spaces 0.45-0.6 times the
/Size parameter
above
0.6 times /Size See explanation for /Bars above.
/TimingBar 1.05-1.35 times
the /Size
parameter above
1.2 times /Size See explanation for /Bars above.
/LongBar 3.4-3.6 times the /
Size parameter
above
3.6 times /Size See explanation for /Bars above.
/QuietZone [int int] [150 150]
[array of
integers]
Optional; in /Units
/Units 1/100 mm (optional)