2018.2

Pattern ID
The ID of the Anoto pattern. Represents the pattern on the page. Can be used to retrace the
document to which the pattern belong.
Pattern Sequence
Pattern Sequences enable the multiplication of the number of available pattern by adding an
extra identification to the document. A Pattern Sequence is also attributed to each Anoto Digital
Pen, such as an incoming PGC file will contain the Pattern, on which the Pattern Sequence is
added from the pen database. The pattern and pattern sequence refer to a specific document in
the database. Signing a document with a pen of which the Pattern Sequence does not match
that of the document causes Contamination, which can cause errors or ink to be placed on the
wrong document.
Pen ID
The serial number of the Anoto Digital Pen. It is registered in the PlanetPress Capture
database and is present in each PGC file.
PGC File
Pen Generated Coordinates; PGC File containing all ink processed while the pen was
undocked along with the Pen ID. It is possible that a single document requires multiple PGC,
just as it is possible that a single PGC have multiple documents.
Pidget
Type of PlanetPress Capture object. Page element used to give instructions to the Anoto pen,
as opposed to recording ink.
PlanetPress Capture Database
A database containing the list of patterns, sequences, registered pens and documents. The
Capture Database can be used by a single server, or by multiple servers in a Client/Server
architecture.
Session
The time spent by the pen between events that trigger a new session. Generally a session
refers to any ink in a single page containing a Capture Pattern. A session can contain ink from
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