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Elision Based Text Zooming

Elision Based Text Zooming. Project Update Sam Davis. Motivation. Computers make a lot of things easier Reading with computers The Web Is reading easier online than on paper? Reading online requires scrolling Scrolling is hard: Either Scroll too quickly to read the text, or

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Elision Based Text Zooming

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  1. Elision Based Text Zooming Project Update Sam Davis

  2. Motivation • Computers make a lot of things easier • Reading with computers • The Web • Is reading easier online than on paper? • Reading online requires scrolling • Scrolling is hard: Either • Scroll too quickly to read the text, or • Take forever to find what you’re looking for

  3. Scrolling • Easier than turning pages in a book? • Page Up & Page Down

  4. Idea • Beginnings of paragraphs are most important • Pre-reading • Hide everything else • Give users control over what is hidden • Remember the user’s choices

  5. Idea in Detail • Control “zooming” and scrolling with the mouse • Hide/show paragraphs a line at a time as zoom increases/decreases • When zoomed out, display clicked paragraphs in full • Visually mark clicked paragraphs

  6. Other Approaches • Zoom out by making text smaller • Multi-scale Table of Contents • Source code folding

  7. Dataset • World Wide Web • News Articles • Academic Papers • Online Books

  8. Implementation • Extension to Firefox Web Browser • JavaScript • XML DOM transformations • Visual Feedback: • Dynamically modify page • Draw zooming/scrolling widget in front of page

  9. Screen Shots Zooming in on an excerpt from Free Culture by Lawrence Lessig:

  10. Challenges • Determine what a paragraph is – more than one representation: • <p> • <br> • <li> • …

  11. Challenges (cont.) • Find line breaks due to wrapping • Hard? Easy? Don’t know yet. • Firefox documentation is incomplete

  12. Challenges (cont.) • Deciding what to hide • Beginnings of paragraphs important, but maybe the ends are as well • At some point, need to hide entire paragraphs • Which ones? • Treat long paragraphs differently than short paragraphs?

  13. Challenges (cont.) • User choices introduce compromise

  14. Challenges (cont.) • Not everything is plain text • Images • Tables • Lists • Formatting

  15. Challenges (cont.) • Zooming without Scrolling

  16. Current Progress • Learned how to write Firefox extensions • Implemented framework for hiding and unhiding text • Working prototype • Word-at-a-time zooming • Only handles <p> delimited paragraphs • No scrolling • No selection of paragraphs

  17. Questions? Suggestions?

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