Channel Code

#summary Reference for Channel Code

=Channel Code=

Channel Code is a linear, continuous, self-checking, bidirectional barcode symbology that encodes between 2 and 7 digits in a short space.

Standards: ANSI/AIM BC12 USS.

===Data and Options===

• The data field can hold zero prefixed numbers 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.

===Examples===

A channel 3 symbol holding the value 5:

{{{ 0 0 moveto (05) (includetext) /channelcode /uk.co.terryburton.bwipp findresource exec }}}

http://wiki.postscriptbarcode.googlecode.com/git/images/channelcode-1.png

A channel 4 symbol holding the value 123:

{{{ 0 0 moveto (123) (includetext) /channelcode /uk.co.terryburton.bwipp findresource exec }}}

http://wiki.postscriptbarcode.googlecode.com/git/images/channelcode-2.png

A channel 4 symbol holding the value 5 including optional check bars:

{{{ 0 0 moveto (005) (includetext includecheck) /channelcode /uk.co.terryburton.bwipp findresource exec }}}

http://wiki.postscriptbarcode.googlecode.com/git/images/channelcode-3.png

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

{{{ 0 0 moveto (26) (shortfinder includetext) /channelcode /uk.co.terryburton.bwipp findresource exec }}}

http://wiki.postscriptbarcode.googlecode.com/git/images/channelcode-4.png