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THE PERSPECTIVE WALL

THE PERSPECTIVE WALL. Jock D Mackinlay George D Robertson Stuart K Card. Purpose. Perspective Wall is used to visualize large volumes of linear data (for instance, chronological / alphabetical data). Motivation. To combine Detail and Context Center panel to view detail

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THE PERSPECTIVE WALL

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  1. THEPERSPECTIVEWALL Jock D Mackinlay George D Robertson Stuart K Card

  2. Purpose Perspective Wall is used to visualize large volumes of linear data (for instance, chronological / alphabetical data).

  3. Motivation • To combine Detail and Context • Center panel to view detail • Perspective panels to view context • To handle Wide Aspect Ratios

  4. Aspect Ratio • the relative horizontal and vertical sizes. For example, if a graphic has an aspect ratio of 2:1, it means that the width is twice as large as the height.

  5. Salient features • Folding is used to distort a 2-D layout into a 3-D visualization,using hardware support for 3-D interactive animation. • Perspective panels are shaded to enhance the effect of 3-D. • Vertical dimension can be used to visualize layering information.

  6. Beyond 1-D

  7. Space Utilization • Details on the Center Panel are at least three times larger than the details on a flat wall that fits in the field of view. • Perspective Wall makes three times as much information visible as a flat wall that has details of the same size.

  8. Advantages • Smooth Animation / Transition of views helps user perceive object constancy. • Highlights relationships between objects in detail and context; e.g.; objects bend around the corner. • Ease in adjusting the ratio of detail to context, as the user desires. • Intuitive and easy to use and learn.

  9. HCI Metrics • Easy to learn • Easy to use, intuitive • High User Retention • Good User Satisfaction • Errors – No scope for errors

  10. Thanks!!!

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