Channel Code - bwipp/postscriptbarcode GitHub Wiki

Channel Code is a linear, continuous, self-checking, bidirectional barcode symbology that encodes between two and seven digits in a short space.

Standards: ANSI/AIM BC12 - USS Channel Code.

• The data field can hold zero prefixed values from any of the following ranges:
  • Channel 3: 00-26
  • Channel 4: 000-292
  • Channel 5: 0000-3493
  • Channel 6: 00000-44072
  • Channel 7: 000000-576688
  • Channel 8: 0000000-7742862
• The channel is determined to be one more than the number of digits given in the data field.
• The shortfinder option generates a symbol with a shortened finder pattern.
• The includecheck option appends an optional check bar suffix.

A channel 3 symbol holding the value five:

Data:    05
Options: includetext
Encoder: channelcode

A channel 4 symbol holding the value 123:

Data:    123
Options: includetext
Encoder: channelcode

A channel 4 symbol holding the value five including optional check bars:

Data:    005
Options: includetext includecheck
Encoder: channelcode

A channel 3 symbol holding the value 26 with a shortened finder pattern:

Data:    26
Options: shortfinder includetext
Encoder: channelcode