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Modifiable Treemaps Containing Variable-Shaped Units

Modifiable Treemaps Containing Variable-Shaped Units. Frédéric Vernier Mitsubishi Electric Research Labs (MERL, Cambridge) - CLIPS-IMAG Laboratory University of Grenoble, FRANCE. Outline. Motivation Avoid long rectangles, display label, drag&drop in Treemaps Fieldmap: Algorithm

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Modifiable Treemaps Containing Variable-Shaped Units

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  1. Modifiable Treemaps Containing Variable-Shaped Units Frédéric Vernier Mitsubishi Electric Research Labs (MERL, Cambridge) - CLIPS-IMAG Laboratory University of Grenoble, FRANCE

  2. Outline • Motivation • Avoid long rectangles, display label, drag&drop in Treemaps • Fieldmap: Algorithm • Working example: PARENT • Features for file management • Demonstration • Conclusion • Drawbacks and advantages • What’s next

  3. Treemaps / AdFire

  4. Eval = 5.5 Selected option: Min (Eval) Eval = 4.1 Eval = 6.7 … Algorithm • Recursive re-arrangement • Evaluation function f( , ) = 1.5 • Ratio width/height

  5. File Explorer • Information: Files & Folders • Visualization: Shape, Color & Text • Rectangles: Disk usage + • Brightness: File age • Hue: Type of a file • Label: File name • Interaction • Drag & Drop for moving a file • Double clicking for opening a file • Navigation: Stairs, alternative view

  6. 1rst Snapshot • Fixed ratio = 0.2 • 1400 files • Black stairs (path) • Alternative view

  7. Interactive Stairs

  8. 2nd Snapshot • Fixed ratio = 1.0 • 240 files • Selected Folder • 8 hues, brighter/darker

  9. Treemaps • The same hierarchy using the Nested Treemap algo. • Popup label

  10. Alternative View • Indented list … but could be any other Mac/Win view

  11. Conclusion • New algorithm: Fieldmap • Loads the cpu • New challenges • Selection for multiple files (zone) • Symbolic links • Animation to show a reorganization • Contextual evaluation function • New data set • Debugging: 1 tree/field Map per thread • Spreadsheet: hierarchical cells

  12. Spreadsheet

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