Diva: a web-based high-resolution digital document viewer

  • Authors:

  • Andrew Hankinson;Wendy Liu;Laurent Pugin;Ichiro Fujinaga

  • Affiliations:

  • Centre for Interdisciplinary Research in Music Media and Technology, Schulich School of Music, McGill University, Montreal, QC, Canada;Centre for Interdisciplinary Research in Music Media and Technology, Schulich School of Music, McGill University, Montreal, QC, Canada;RISM Switzerland, Berne, Switzerland;Centre for Interdisciplinary Research in Music Media and Technology, Schulich School of Music, McGill University, Montreal, QC, Canada

  • Venue:
  • TPDL'12 Proceedings of the Second international conference on Theory and Practice of Digital Libraries
  • Year:
  • 2012

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Abstract

This paper introduces the Diva (Document Image Viewer with Ajax) project. Diva is a multi-page image viewer, designed for web-based digital libraries to present documents in a web browser. Key features of Diva include: "lazily loading" only the parts of the document the user is viewing, the ability to "zoom" in and out for viewing high-resolution page images, support for Pyramid TIFF or multi-resolution JPEG 2000 images, a multi-page "grid" view for page images, and HTML5 canvas support for document image rotation and brightness/contrast control. We briefly discuss the history and motivation behind its development, provide an overview of how it compares to other document image viewers, illustrate the different components of Diva and how it works, and provide examples of how this may be used in a digital library context.