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Enhancing Digital Publishing with ReplicaMap: A Revolutionary Tool for Rendering and Accessibility

ReplicaMap revolutionizes digital publishing by facilitating seamless integration between image-based renditions and styled XHTML formats. It empowers publishers with minimal overhead through semi-automatic workflows, eliminating the need for browsers and ensuring fast render times via direct GPU utilization. This innovative tool enhances readability and accessibility by mapping between two renditions, while providing metadata for articles and creating hot spots for additional information. Ideal for magazines and comics, ReplicaMap offers a pioneering solution for modern publishing challenges.

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Enhancing Digital Publishing with ReplicaMap: A Revolutionary Tool for Rendering and Accessibility

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  1. Digital Replica Plus

  2. History and Motivation • Derived from PDF-based print workflows • Minimal overhead for publishers • Semi-automatic tool for creation • No browser needed • Predictable, fast render times • Direct GPU utilization, direct HW image decoding • “Readability” through article view • … and a basis for Accessiblity

  3. Two “Renditions” • The page images and the articles • Articles are pointed at by the OPF • Images are “known” via file structure & presence of the Replica Map • Not a great solution, but… • All of the problems we solved are very real

  4. ReplicaMap Motivations • Mapping Between Two Renditions • List of Hot-spots • Metadata On Spine Items • Alternate Linear Flows

  5. Mapping Between Two Renditions- Magazines • Rendition 1: an image per page • Rendition 2: lightly styled XHTML content of articles • ReplicaMap provides a list of areas in Rendition 1 that link to Rendition 2.

  6. A List of Hot Spots- Magazines In addition to mapping between alternative renditions, hot-spots on a particular page can provide links to other information. In this case – links to individual video messages from the editors.

  7. Metadata On Spine Items - Magazines A magazine generally contains a collection of articles, and the articles have their own set of metadata: • Article Title (dc:title) • Byline (dc:creator) • Date (dc:date) • Original Publication/Reprint Info (Note: also applies to collection of short stories)

  8. Alternate Flows - Comics • On small screen devices, fixed-size rendered pages may not be legible • One solution is to provide a set of regions to zoom in on as a traversal of the content. • Example: A list of cells in a comic page. • Can be thought of as a mapping from one rendition, back to itself (with a different set of media constraints/selectors)

  9. Observations • The key notion in Fixed Layout is “fixed” • No dynamic layout • Re-layout can cause a host of incompatibilities • No font licensing issues • The fixed rendition(s) is the basis • Other renditions map onto the fixed version • But can be (and in our case, are) bi-directional • Overlays are easy, because • The basis is fixed • We strongly favor declarative markup that informs the user experience over embedding the UX in (e.g.) JavaScript

  10. More Observations • WoodWing, Adobe and others have created non-ePub-based fixed formats • Adobe’s .folio format appears closed and proprietary • WoodWing converging on .folio (abandoning the open “OFIP” format?) • These are essentially images of pages, XML describing a “spine” and related notions, and overlays • Evolved ePub can and should encompass such formats

  11. Futures & Recommendations • Formalize replica map and call it Rendition Map • Fix the “bug” in CFIs that prevent them from referencing non-default renditions • Make multiple renditions useful • Images should be legal spine items • B&N is announcing, and will release to Open Source, an InDesign plug-in to create “DRP” directly, including “article mode” • Please see the IDPF Wiki for details on RenditionMap and related thoughts and samples

  12. Thank You!

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