AGAVE:

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• AGAVE
• Access Grid Augmented with Virtual Environments
• Dan Sandin,Jason Leigh
• Kyoung Shin Park ,Yong-joo Cho
• Jonas Talandis, Natt Mintrasak
• Electronic Visualization Laboratory
• University of Illinois At Chicago

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AGAVE

• Access Grid
• VR

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Three Essentials of Virtual Reality

• 1. Surround vision
• Get close to the screen

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Three Essentials of Virtual Reality

• 2. Stereo
• 2 Display screens
• Multiplexing

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Three Essentials of Virtual Reality

• 3. Viewer-centered perspective
• First redefinition of perspective since the
  Renaissance

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Three Essentials of Virtual Reality

• 3. Viewer-centered perspective
• Tracking

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Virtual Reality Displays

• CAVE

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Virtual Reality Displays

• I-Desk ElsieDesk

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Virtual Reality Display for the AG

• ElsieDesk
• Front projected
• passive stereo
• Large audience

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Virtual Reality Display for the AG

• ElsieDesk
• Similar Tech to AG
• Two LCD projectors for Stereo
• Front Projected on
  Special Screen
• Inexpensive Glasses

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Virtual Reality Display for the AG

• Compatible with current AG
  in non-Stereo.

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Two Ways to Share on the AG

• Share images (bit maps)
• Share control information

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Two Ways to Share on the AG

• Share images (bit maps)
• Same as speaker images
• Has similar defects
• Is relatively easy to implement
• especially if the computer has video out
• Cannot do Stereo or Viewer Centered Perspective

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Two Ways to Share on the AG

• Share images (bit maps)
• The Heart Demonstration

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Two Ways to Share on the AG

• Share control information
• Uses CAVElib and CAVERNsoft
• The CAVE application runs on each node, either on
  a VR display or a normal computer
• Nodes subscribe to a server that shares state,
  avatar and database information.

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Two Ways to Share on the AG

• Share control information
• Uses CAVElib and CAVERNsoft
• Supports VR
• stereo, viewer centered perspective
• Better Performance for complex images
• Supports AG as a peer in Tele-Immersive
  applications

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Two Ways to Share on the AG

• Share control information
• Uses CAVElib and CAVERNsoft
• Problems

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Questions
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For More Information
www.evl.uic.edu