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Welcome

Welcome. Today’s Instructor:. Steve Hiebert Chair, CIP4 Product Description WG Software Architect Indigo Digital Press Division. “JDF Capabilities”. Presentation originally by Craig Benson Senior Computer Scientist II Adobe Systems, Inc. and modified by Dr. Rainer Prosi,

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Welcome

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  1. Welcome Today’s Instructor: Steve Hiebert Chair, CIP4 Product Description WG Software Architect Indigo Digital Press Division “JDF Capabilities” Presentation originally byCraig BensonSenior Computer Scientist IIAdobe Systems, Inc. and modified by Dr. Rainer Prosi, Senior Workflow Architect Heidelberger Druckmaschinen AG

  2. Today’s Agenda • Interoperability • Capabilities • Workflow • PPD’s and Schemas • Capabilities Theory • Capabilities Overview

  3. It’s all about Interoperability!!! If you don’t know about capabilities, you won’t be able to “interoperate”…

  4. It’s all about Interoperability!! But if you do, you can use the right tools…

  5. What are “Capabilities”? Capabilities allow actors in the workflow to determine what some other actor can do...

  6. What are Capabilities? Of course, there’s no requirement that any of the actors actually be people…

  7. Who are the actors? • Job submission utilities (both to a print shop and within the print shop) • Print shops • MIS systems • Prepress workflow managers • Applications • Individual pieces of equipment • Operators of offline equipment • And the list goes on…

  8. What can Capabilities be used For? • Determining what products a print shop could produce. • Allows the creation of JDF Intent (product descriptions). • Determining what equipment is available in a shop. • Allows MIS systems to take JDF Intent and determine production steps to produce job. • Creating a UI to allow configuration of job processing for a piece of equipment or application. • Preflighting a JDF before processing by a JDF consumer.

  9. An example workflow RIP Color Adjust Prepress Workflow Controller Impose Trap

  10. An example workflow RIP Color Adjust Ask for capabilities Prepress Workflow Controller Impose Trap

  11. An example workflow Capabilities File RIP Color Adjust Prepress Workflow Controller Impose Trap

  12. The UI is created from the capabilities file! Configuration UI for jobs An example workflow RIP Color Adjust Prepress Workflow Controller Impose Trap

  13. An example workflow RIP Color Adjust The JDF+PDF Prepress Workflow Controller Impose Trap

  14. Official Warning Details Ahead!!

  15. What about PPDs and Schemas? PPDs (PostScript Printer Driver) • Provide basic capabilities information about a printer • Allow printer options to be configured by specifying PostScript snippets • Provide a simple constraints mechanism for UI • Allow controls to be localized (but typically just for the “advanced” dialog)

  16. What about PPDs and Schemas? Schemas • Describe the aggregated capabilities of JDF (processes & resources) • Do not support constraints definitions • Do not support localizations • Do not allow a device to specify a subset of the aggregated capabilities

  17. Remember, the schema only specifies the aggregated capabilities of JDF So what are Capabilities? • XML-based • Of course… • The capabilities description directly reflects the structure of the JDF itself. • Constrains a device implementation against the schema • Either the JDF schema or an extension schema • Does not require the schema to be used to work

  18. But that's not all !!!

  19. Capabilities Theory JDF defines a Capabilities Model based on.... • A Device is the “Thing” that executes one or more JDF Nodes • A JDF Node is defined by its resources + resource links • e.g.: A Press has a set of allowed Media and a set of press parameters

  20. Capabilities Theory JDF Parameters are either..... • independent of one another, or • can be expressed as a list of allowed independent sets • e.g. a Scanner can scan at 1000 dpi grayscale, or 500 dpi color • May be further constrained by logical boolean expressions • The Device can print Duplex • The Device can print Transparencies • Setting Duplex and Transparency at the same time is constrained

  21. Capabilities Theory • Performance may be specified • Maximum + Average • Depending on further Job parameters • Allow specification of current and persistent capabilities • Define defaults and (un)/supported features • JMF messages for plug and play in heterogeneous environments • Specify Localization

  22. Valid Parameter Point Valid Parameter Point Invalid Parameter Point Invalid Parameter Point Constrained Area Constrained Area Device Parameter Space Area covered by device capabilities Restriction to 3 dimensions for display purposes only

  23. Capabilities Overview Feature Macros (JDF 1.2) • Allows a set of multiple JDF controls to be represented by a single abstract control in a user interface. • ScannerQuality: (draft, good, best) • sets resolution, color mode, …

  24. Capabilities Overview Localizations (JDF 1.2) • Feature names and individual values can be localized (even true and false) • Also used with constraints to provide localized descriptions (for UI) of the error described when the constraint test fails

  25. Capabilities Overview Feature Availability (JDF 1.2) • The feature is installed on the device and is available for use. • The feature has not been installed on the device. • The feature has been installed on the device, but may not be used until licensed. • The feature is installed and licensed on the device, but has been disabled.

  26. Capabilities Overview UI Hints (JDF 1.2) • Feature grouping • Unit type • Angle, length, weight,… • Whether a feature should be displayed • The feature should be displayed. • The feature should not be displayed. • The feature should be displayed only for administrators. • The feature should be conditionally displayed. • The feature should be displayed only in vendor support situations. • Icons to represent the device

  27. Capabilities Overview • JMF (Job Messaging Format) capabilities • Which JMF messages are supported • Specifics for each message • JMF Bootstrapping for Device Discovery

  28. Capabilities Overview Performance Data • Minimum/Maximum/Average setup time • Minimum/Maximum/Average cleanup time • Average/Worst case run rate

  29. Capabilities Link the Workflow Together !

  30. Thanks for Listening Today’s Instructor: Steve Hiebert Chair, CIP4 Product Description WG Software Architect Indigo Digital Press Division “JDF Capabilities” Presentation originally byCraig BensonSenior Computer Scientist IIAdobe Systems, Inc. and modified by Dr. Rainer Prosi, Senior Workflow Architect Heidelberger Druckmaschinen AG

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