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1. Collaborative
White Board

2. GOAL
Provide the tools to create and edit a White Board
Real time synchronization between multiple clients
Must be usable on a tablet device

3. PROBLEMS TO
OVERCOME
Low performance
Low bandwidth
Small screen space
Finger friendly

4. T
TOOLS

5. SPECIAL BOOLEAN
CASE OPERATIONS
WIDGET
?
SUPPORTS
POLYGON
OBJECT
APP
BOOLEAN
WIDGET
? POLYGON
OBJECT
WIDGET
SERVER
WIDGET
APP
……………….
WIDGET
WIDGET
WIDGET

6. INFORMATION FLOW
WIDGET WIDGET
LAYER LAYER
WHITE WHITE
APP SERVER APP
BOARD BOARD
synchronization drawing

7. PERSISTANCE
SERIALIZATION
WIDGET APP
OBJECT
• Name
• Colors
• Polygon points
• Type
….………………. SERVER
SERIALIZATION
WIDGET APP
OBJECT