Plessey

#summary Reference for Plessey

=Plessey=

Plessey is a continuous, arbitrary length barcode symbology for encoding hexadecimal data.

Also known as: Anker Code.

Variants:

• [Msi MSI Modified Plessey] is a variant of the Plessey (UK) barcode developed by the MSI Data Corporation.

===Data and Options===

• The data can contain any of the following:
  • Numbers 0-9
  • Capital letters A-F
• Two manditory check characters implementing a CRC check are automatically included.
• The includecheckintext option makes the calculated check characters appear in the human readable text.
• The unidirectional option generates a unidirectional Plessey symbol.

===Examples===

Equivalent symbols, the latter displaying the two mandatory check characters:

{{{ 0 0 moveto (01234ABCD) (includetext) /plessey /uk.co.terryburton.bwipp findresource exec }}}

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

{{{ 0 0 moveto (01234ABCD) (includetext includecheckintext) /plessey /uk.co.terryburton.bwipp findresource exec }}}

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

A unidirectional symbol:

{{{ 0 0 moveto (01234ABCD) (unidirectional) /plessey /uk.co.terryburton.bwipp findresource exec }}}

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