CGMB214: Intro. To Computer Graphics - PowerPoint PPT Presentation

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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