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CGMB214: Intro. To Computer Graphics

CGMB214: Intro. To Computer Graphics. Chapter 1 Introduction. What You Need to know. What is computer graphics? What is our approach?. What is Computer Graphics?. What is Computer Graphics?. Pictures generated by computer Tools to make pictures Hardware tools – monitor, mouse etc

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CGMB214: Intro. To Computer Graphics

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  1. CGMB214: Intro. To Computer Graphics Chapter 1 Introduction

  2. What You Need to know • What is computer graphics? • What is our approach?

  3. What is Computer Graphics?

  4. What is Computer Graphics? • Pictures generated by computer • Tools to make pictures • Hardware tools – monitor, mouse etc • Software tools – OS, debugger, graphics libraries etc • Field of study that involves pictures produced and tools used

  5. What exactly is Computer Graphics?

  6. What CG is used for? • To produce RAPID and ECONOMICAL PRODUCTION of pictures

  7. Where CG is being used?

  8. CG in Art, Entertainment, Publishing

  9. CG in CG and Image Processing • CG create images • IP enhance images Image from camera Satisfied with Image? Enhance Image (IP) Image accepted NO Image created (CG) YES

  10. CG in CG and Image Processing • CG combines with IP

  11. CG in Monitoring Process • Usually used in factory, research

  12. CG in Displaying a Simulation • Virtual Reality • Research • Education • Entertainment

  13. CG in Computer Aided Design • Computer Aided Architectural Design • Electric Circuit Design • Benefits of CAD • Drives the high-end of the hardware market • Integration of computing and display resources • Reduced design cycles

  14. CG in Scientific Analysis and Visualization • Computer graphics makes vast quantities of data accessible. Numerical simulations frequently produce millions of data values. • Satellite-based sensors amass data at rates beyond our abilities to interpret them by any other means than visually. • Mathematicians use computer graphics to explore abstract and high-dimensional functions and spaces. • Physicists can use computer graphics to transcend the limits of scale.

  15. How CG is used?

  16. Motivation for CG • Appealing pictures produced • Humans respond better to pictorial information • Human brain recognizes visual patterns • “If it looks right, it is right”, Jim Blinn, CG pioneer

  17. Why Learn CG? • Better information presentation • Job in computer graphics (games, movies, etc) • New medium for artistic expression • Communicate ideas better • Create more user-friendly systems

  18. What is Our Approach? • learn algorithms • use OpenGL as concrete example

  19. References • http://thefreedictionary.com • http://news.cnet.com • http://als-ny.org • http://www.ferret.com.au

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