What is computergraphics
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What is computergraphics

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What is computergraphics Presentation Transcript

  • 1. Laser Scanning Churches, University of Hull,http://www2.hull.ac.uk/science/hive/research/laserscanningchurches.aspxIntroduction toComputer GraphicsIng. Andrés Adolfo Navarro Newball,MSc, PhDSenior Lecturer and ResearcherPontificia Universidad Javeriana, Cali,Colombia
  • 2. Computer Science Department, Pontificia Universidad Javeriana, Cali Definition XBOX 360 Slim Dell Alienware ??? [1] Archos 10 Android Tablet Artefact Digital Preservation, of Roman Figurine of Apollo, University of Hull, http://www2.hull.ac.uk/science/hive/research/artef act_digital_preservation.aspxW. Fetter (1928 – 2002) Nokia Windows Phone 7
  • 3. Computer Science Department, Pontificia Universidad Javeriana, CaliInvolves Mathemathics Engineering Photorealistic rendering. Rio, Dreamworks, 2011 Psycologhy Photography Film Graphics research Painting is demanding, Dante’s inferno. Visceral Games, 2010 fascinating and, Sculpture above all, fun. We learn to see better and toProf. G. Wyvill, University visualise whatof Otago, NZ, cannot be seen.
  • 4. Computer Science Department, Pontificia Universidad Javeriana, CaliGoal Easy Just like real life Microsoft’s Windows 7 GUI, 2009 C.J. Hernández, A Cardona, E. Mazuera, A.A. Navarro. Samsung’s Galaxy Tab Augmeted Reality Walkthrough WESS-OT’s surgical simulation, 2004, 2005, PUJ
  • 5. Computer Science Department, Pontificia Universidad Javeriana, Cali History [2, 3]•1940: Training Pilots, J.Forrester MIT.•1950: Whirlwind, radar •1961: S. Rusell, MIT,sites, K.H. Olsen Spacewar for DEC•1957: DEC Interactive •1963: D. Englebart,computer. Stanford, Mouse•1958: Short animation,J. Whitney, Sr. 1961: I. Sutherland, MIT 1964: IBM 2250 graphics Sketchpad, CAD terminal
  • 6. Computer Science Department, Pontificia Universidad Javeriana, Cali History [2, 3] •1966: I. Sutherland, MIT. •1975: M. Newell, Utah Head Mounted Display teapot •1968: I. Sutherland. Line •1976: J. Blinn, Utah, Drawing System Bump mapping •1971: B.T. Phong, •1983: Intel iSBX 275 Shading Method, Utah Video Graphics Controller •1974: E. Catmull,Utah •1992: OpenGL1966: R. Baer, First textures, z-buffer, curves •1995: DirectXvideogame for consumers 1975: Altair 8800 MS’s Altair Basic
  • 7. Computer Science Department, Pontificia Universidad Javeriana, Cali Bitmap & Pixmap 1024 X 768 pixels. 24 bits per pixel 8 bits per primary colour (RGB) 224 = 16’777.216 colours 18874368 bits = 2.25 MB ExercisesWorld of Warcraft, Blizzard, 2001
  • 8. Computer Science Department, Pontificia Universidad Javeriana, CaliColour models [4, 5]
  • 9. Computer Science Department, Pontificia Universidad Javeriana, Cali Colour models [4, 5]HLS - Hue, Lightness, Saturation HSV - Hue, Saturation, ValueG. Murch ,1970s A.R. Smith, 1978RGB cube rotated RGB = 1 planes from RGB cube
  • 10. Computer Science Department, Pontificia Universidad Javeriana, Cali AdvantagesKinect’s SkeletonTracking, Microsoft,2011 http://www.airflightsimulator.com/ Mandelbrot set, 1978 MSC. Software Enhances Graphics Visualization for SimXpert. Design World Staff, May 14 / 2007 Examples: Scientific Visualisation http://viz.aset.psu.edu/jack/java 3d/slides/mt0011.htm
  • 11. Computer Science Department, Pontificia Universidad Javeriana, Cali Dr. Gray Invented Liquid Crystal at the University of Hull, 1972. The Japanese made money out of it Hardware Mr. D.Wills, University of Hull, 1996 GeForce 6600GT (NV43) GPUNVIDIA 3D Vision G-Pen Table, Genius Kindle, Amazon, 2007 P5 glove Sony Bravia
  • 12. Computer Science Department, Pontificia Universidad Javeriana, Cali Graphics pipeline•1975: M. Newell, Utah teapot
  • 13. Computer Science Department, Pontificia Universidad Javeriana, CaliReferences1. http://iss.leeds.ac.uk/info/306/graphics/215/overview _of_computer_graphics/22. A Brief History of Computer Graphics. Mi Tsung Chang3. Wikipedia4. Computer Graphics: Principles and Practice in C (2nd Edition) by James D. Foley, Andries van Dam, Steven K. Feiner, and John F. Hughes, 19955. http://viz.aset.psu.edu/gho/sem_notes/color_2d/html/ primary_systems.html6. 3D games : real-time rendering and software technology (1ed.) (c2001) Watt, Alan H.; Policarpo, Fabio