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Introduction to Computer Graphics

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Computer graphics is all these a consciously managed and documented technology ... Graphics. What is CG used for? Graphs and charts (visualization of data) ... – PowerPoint PPT presentation

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Learn more at: http://cs.boisestate.edu
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Title: Introduction to Computer Graphics


1
Introduction to Computer Graphics
  • Survey (Chapter 1)
  • Graphics Systems (Chapter 2)

2
What is Computer Graphics?
  • Perhaps the best way to define computer graphics
    is to find out what it is not. It is not a
    machine. It is not a computer, nor a group of
    computer programs. It is not the know-how of a
    graphic designer, a programmer, a writer, a
    motion picture specialist, or a reproduction
    specialist.
  • Computer graphics is all these a consciously
    managed and documented technology directed toward
    communicating information accurately and
    descriptively.
  • Computer Graphics, by William A. Fetter, 1966

3
What is CG used for?
  • What can you think of?

4
What is CG used for?
  • Graphs and charts (visualization of data)
  • Graphical User Interfaces (GUI)
  • Web pages
  • Computer Aided Design (CAD)
  • Entertainment (games, music)
  • Art
  • Virtual Reality (training simulators)

5
2D versus 3D
6
Display Devices
  • Raster systems
  • Vector Systems

7
Video Display Systems
8
Output Devices
9
Raster-Scan CRT
10
Cathode Ray Tube
  • Deflection can be
  • magnetic
  • electrostatic

11
Color CRT
12
3D Displays
13
Input Devices
  • How many input devices can you think of that
    could be useful for graphical applications?

14
Input Devices
  • Keyboard
  • Mouse
  • Tablet
  • Joystick
  • Digitizer
  • Gloves

15
Graphics Software
16
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