Re: [IPP] Excerpt from PWG JDFMAP on "imposition-template"

[Ira McDonald via ipp <[e-mail]>]

Hi Mike,

I agree with your summary and proposed approach.

Cheers,
- Ira

Ira McDonald (Musician / Software Architect)
Co-Chair - TCG Trusted Mobility Solutions WG
Co-Chair - TCG Metadata Access Protocol SG
Chair - Linux Foundation Open Printing WG
Secretary - IEEE-ISTO Printer Working Group
Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG
IETF Designated Expert - IPP & Printer MIB
Blue Roof Music / High North Inc
http://sites.google.com/site/blueroofmusic
http://sites.google.com/site/highnorthinc
mailto: [e-mail]
PO Box 221  Grand Marais, MI 49839  906-494-2434



On Fri, Sep 13, 2019 at 8:00 AM Michael Sweet <[e-mail]> wrote:

> Ira,
>
> In reading both this section of JDF and section 6.2.18 (which provides the
> explicit imposition definition in JDF and the Layout element for specifying
> things), it looks like there isn’t a stand, well-defined list of imposition
> templates. Indeed, even the examples seem to focus on 2-up, saddle-stitched
> booklet templates/signatures and letterhead/cover letter applications.
> Definitely a process-based approach (place input page 1 *here* on the front
> side of output page 1, etc.) and not something I think we want to reproduce
> in IPP.
>
> I know we want a booklet template, but what other imposition
> templates/signatures are common in production?
>
> I can imagine some marketing communication applications (business cards,
> postcards, etc.) where the same content is repeated on the front and  back
> sides (and is cut after printing) although we might need to define a
> keyword format like ‘same-up_COLS_ROWS_WIDTHxHEIGHTunits’ to specify the
> layout, e.g.:
>
> - ‘same-up_4_3_2x3.5in’ for business cards
> - ‘same-up_2_2_3.5x5in’ for US postcards
> - ‘same-up_2_2_105x148in’ for A6 postcards
>
> This at least would offer a path to convert from IPP to JDF layout
> elements...
>
> Thoughts?
>
> ____________________
> Michael Sweet
>
> On Sep 12, 2019, at 4:51 PM, Ira McDonald via ipp <[e-mail]> wrote:
>
> Hi,
>
> This text from PWG JDFMAP gives a pointer to the right area of CIP4 JDF
> for imposition handling.
>
> Rick Yardumian and I will do some further research into the referenced CIP4
> JDF ExternalImpositionTemplate (to see if there's a useful list of
> keywords,
> such as 'booklet').
>
> 4.1.12 ImpositionTemplate
>
> PWG PJT Mapping: ImpositionTemplate
>
> JDF defines the ExternalImpositionTemplate in section 8.55 of [CIP4JDF],
> which contains the FileSpec element, which contains the UserFileName
> attribute (user-friendly file name), which can be mapped to the PJT
> ImpositionTemplate element (keyword of ‘None’ or ‘Signature’ or
> site-specific name) defined in [PWG5100.3]. The PJT ImpositionTemplate
> element interacts in an implementation-specific manner with the PJT
> NumberUp element and PJT XImage and YImage layout elements.
>
> Cheers,
> - Ira
>
> Ira McDonald (Musician / Software Architect)
> Co-Chair - TCG Trusted Mobility Solutions WG
> Co-Chair - TCG Metadata Access Protocol SG
> Chair - Linux Foundation Open Printing WG
> Secretary - IEEE-ISTO Printer Working Group
> Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG
> IETF Designated Expert - IPP & Printer MIB
> Blue Roof Music / High North Inc
> http://sites.google.com/site/blueroofmusic
> http://sites.google.com/site/highnorthinc
> mailto: [e-mail]
> PO Box 221  Grand Marais, MI 49839  906-494-2434
>
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