Jazz: An Extensible Zoomable User Interface Graphics Toolkit in Java

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Jazz An Extensible Zoomable User Interface
Graphics Toolkit in Java
Benjamin B. Bederson, Jon Meyer, Lance Good
Presenter Jun Wang Discusser Rohit Kelapure
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What Is Jazz

• ZUI (Zoomable User Interface)
• - Virtual canvas
• - Virtual camera
• Jazz
• General-purpose toolkit to create ZUI
• Java, zooming, 2D OO graphics

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Why Use Jazz

• Prior GUI toolkits
• Complex and hard-to-enhance top-level classes
• (MFC CWnd, Java Component, Swing JComponent)

MONOLITHIC !!!
MINILITHIC !!!
Jazz (ZNode) - Simple objects within a scene
graph hierarchy
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Demo
HiNote A Drawing Tool Based on Jazz
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How Jazz Works (I)

• Nodes hierarchically group things together
• Visual Components define geometry color
  attributes
• Cameras special visual components

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How Jazz Works (II)

• 2D Scene Graph
• - Advantages
• Scale Versatility
• Interactivity
• Data Reusability
• - Disadvantages
• Footprint
• Low Efficiency
• Restrictions

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Other Features

• Adding Functionality Using Node Types
• - decorator, hyperlink, layout, sticky,
  fade,
• spatial index
• Events Handling
• Custom Visual Components
• - Legacy Java Code, Swing Component

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Embedding Swing Components Into Jazz
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HCI Metrics

• Speed of performance
• Learning time
• Error rate
• Retention over time
• User satisfaction

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Other Considerations

• Scale
• User Tasks
• Insight Factor

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Thank You!