Plessey - bwipp/postscriptbarcode GitHub Wiki

Plessey

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

Also known as: Anker Code.

Variants:

  • 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 mandatory 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:

Data:    01234ABCD
Options: includetext
Encoder: plessey

Data:    01234ABCD
Options: includetext includecheckintext
Encoder: plessey

A unidirectional symbol:

Data:    01234ABCD
Options: unidirectional
Encoder: plessey

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