JDF- Experience and Challenge

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Dr.

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G JDF- Experience and Challenge

Dr. Rainer ProsiCTO, CIP4Senior Software Architect, Heidelberg

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Outline

• Architectural Overview of JDF• Experience with JDF 1.1• Outline of JDF 1.2 Activities

Areas of activity (Who and What) Cooperation with other standards Timeline for JDF 1.2

JDF Interoperability Status

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JDF on One Slide

• JDF is a Graphic Arts Job Ticket Data Interchange Format Specification - JDF is not an Application or System

• Encoded in XML• Extensible• Based on semantic structures defined by:

• Adobe PJTF• CIP3 PPF

• JDF Job Definition + JMF Messaging define the JDF Framework

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The Building Blocks of the JDF Framework

• JDF Node• Description of a Process, Process Group or Product

• JDF Resource• Description of a parameter set or physical entity

• JDF ResourceLink• Link between

JDF Nodes (processes) and Resources

• JDF Capabilities Descriptions• Limitation of a JDF interface

• JMF Messages• Real time data interchange format

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The JDF Node

• Description of a generic Process• The “Verb” in JDF• Do something at a given time• Structured container for Scheduling and Auditing

• One JDF node type for Products and Processes• Less Precise Product Intent at the Job Root Node• Workflow Group nodes “ProcessGroup” in between• Detailed individual or combined Processes in the Leaf

Nodes

JD F N ode O utput (resources)

T im e

Start End

scheduling :

Inpu t (resources)

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Product Intent vs. Process Modeling

• Goal of Product Intent Description• Customers view of the “thing” that he wants to have

manufactured• Contract Negotiation• Process Independent

• Goal of Process Modeling • Interface between production and management information

systems• Process interdependencies • Manufacturing Instruction Details

CoverEnd

Sheets

ReaderPages

Book

Contents

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JDF Resources

• Specification of Parameters of• Product Intent description• Logical Entities, e.g RIP Parameters, Imposition setup• Physical Entities, e.g. Media, Devices, Plates

• Based on Adobe PJTF and CIP3 PPF• Intent Resources for product intent nodes• Prepress : Adobe PJTF• Press, Finishing: CIP3 PPF

• Internal to JDF or External Links to well-defined Formats • Thumbnails• Preview Files • ICC Profiles• Content Data

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ResourceLink

• Bind a Resource to a Node• Define Resource Usage (input or output)• Link to a Subset / Part of a Resource

• E.g. Cyan Plate of the Front of Sheet #1• Define the Amount

• Allow reuse of Resources by multiple processes• One resource may be linked by multiple ResourceLinks

• Defines a process network

Parent Node

Child Node 1 Child Node 2

Resource 1

Link

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ConventionalPrinting JDF Node Example

ConventionalPrinting

ExposedMedia(Plate)

Media

Ink

ResourceLinks

Component(including amount)

InkZoneProfile

ParametersLayout

(Control Marks)

NodeInfo•Planned StartTime•Planned EndTime

AuditPoolActual Resource UsageActual Time Summary

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Node Executability Resource ResourceLink JDF Node

Not Executable

Not Available

Available

Available

ResourceLinks

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Node Executability Resource ResourceLink JDF Node

Executable

Available

Available

Available

ResourceLinks

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Node Executability and Networks

Not Available

Available

Available

Not Executable

Links

Waiting

Links

Available

Available

Not Available

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Node Executability and Networks

Not Available

Available

Available

Not Executable

Links

Running

Links

Available

Available

Available

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Node Executability and Networks

Available

Available

Available

Executable

Links

Completed

Links

Available

Available

Available

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Capabilities Descriptions

• Mapping from Product Intent to Process Networks• Set up Communication between Controllers and

Devices• Define User Interface Constraints• Allow planning systems to automatically schedule jobs

to the optimal available device.• Enable load balancing between devices.

• JMF messages for Capabilities Integration

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Messaging with JMF

• Small XML Structures• Synchronized with JDF• Used for:

• Plug + Play Bootstrapping• Snapshots of Job / Device Status• Dynamic Job update• Queue Support• Capabilities interchange

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Experience with JDF

1999: Adobe, Agfa, MAN and Heidelberg form the GAT initiative with the goal of defining a job ticket for the Graphic Arts that also integrates MIS.

2000: The CIP3 Consortium takes ownership of the standard.

2001: JDF 1.0 is released.2002: JDF 1.1 is released.

• Ambiguities/Bugs found in implementation were removed• Additional Processes were added• Consistency between diverse areas was enhanced

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Experience with JDF - Advantages

Single grammar for specifying job data in the graphic arts industry

Integration of Production, Customer and MIS Definition of production networks Integration of Customer Intent and Production Extensible Model

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Experience with JDF - Challenges / Obstacles

Number of processes in the graphic arts Creative Prepress Press Finishing Fulfillment

Complexity of the standard Size of the Specification Moving from the Abstract Idea to a Concrete Implementation Unclear Role of Production networks in Interfacing private extensions

Legacy System Longevity

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Interface Areas in JDF - JDF 1.2 enhancements

Customer Print (Graphic Arts) Shop MIS Production Prepress Press Postpress

Interoperability Conformance Specification definitions

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Customer Print (Graphic Arts) Shop

• Product Intent Definition• Minor Cleanup / Clarifications

• Add a “generalized” CustomerMessage element• Add Channel definitions for

• Instant Messaging• SMS

• Add extensible reason and message content definitions

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MIS Production

• Definition of the MIS Imposition interface• MIS consumes product intent• Imposition Software outputs flattened page positions Missing Interface from MIS to Imposition Software

• Enhancements of Capabilities• UI Definitions• Constraints definitions

• JMF Enhancements• Added Additional Device MIS messages• Added JMF File Protocol for exchange between very dumb

devices/controllers

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Prepress

• Preflight• Define extensible JDF definition of

• Preflight Profiles• Preflight Reports

• Asset Transfer• Define a Process for Digital Artwork Delivery

• Proofing• Define an integrated combined proofing process

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Press

• Digital Printing Interface Conformance Specifications• 3 Levels of ICS

• Desktop Printers• Department Printers• Graphic Arts Digital Presses

• Conventional Printing• Additional Previews for Quality Control

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Postpress

• Additional Postpress processes added:• Bundling• PrintRoll

• Detailed Waste Definitions• WhiteWaste, ObliqueSheets, Process Specific

• Complex Feeder Definitions

Combined NodeInputComponent

1

Compose output component by taking:

2 items from Input Component 12 items from Input Component 21 items from Input Component 1

InputComponent

2

OutputComponentFeeding Other

Process

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Standards Bodies that Cooperate with CIP4

• CIP4 Appointed Members extract• CGATS: Graphic arts standards• DDAP: Advertising Workflow• E.R.A: European Rotogravure Association• Euprima: European MIS vendors consortium• GATF: Graphic Arts Technical Foundation• ICC: Color workflow• IFRA

• IFRATrack: Messaging for Newspaper production • IDEAlliance

• Papinet: Paper Procurement (PrinterPaper Vendor)• Additional IDEAlliance Standards interfaces are under investigation.

• NPES: Industry Association• PODI: Variable Data Content Layout Definition• PrintTalk: Internet Print Procurement• TAGA: Technical Association of the Graphic Arts• UP3I: Inline Real Time Finishing and Paper Handling

Full list at: http://www.cip4.org/members/members_e.php

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Preliminary JDF 1.2 Time Line

• Consolidation of miscellaneous Changes• Definition + Discussion 06/03• Tech Writing : Q3/03• Integration of Preflight Q3/03• Internal CIP4 publication• 3 Month intellectual property due diligence period

• Official Publication Date

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Interoperability Status

• CIP4 hosted an Interoperability test event in May• Goals were:

• Proof of concept of the event• Integration of products from various vendors• Pinpoint ambiguous areas• Engineering team building

• 3 Further events are scheduled this and early next year

• Events are closed door• Goal is to enhance the standard and enable interoperability• NOT to find scapegoats / heros

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JDF- Experience and Challenge•

Thank you very much for your attention!