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                                                                                              Computer Graphics



                                 1960s           1970s             1980s            1990s           2000s
                  Computer   • Programs are run in   • Mid 1970s: First   • 1981:  IBM introduces   • The number of colors a   • LCD monitors become
                  technology  batch mode using   personal computers   the first color PC. The   PC monitor can display   popular.
                              punch cards. Text   appear. Monitors   CGA monitor is capable   jumps from 256 to 16.7   • PC Graphics
                              characters are used to   display white text   of displaying 4 colors   million.   Processing Units
                              create pictures.   against a green   using a combination of   • PCs can use 3D   (GPU) deliver 25
                             • Printers can only print   background the result   red, green, and blue.   graphics.   times the 3D graphics
                              whole characters not   of a P1 phosphor from   • 1984: Apple Macintosh is   • 1994:  the World Wide   performance of the
                              individual dots.   a cathode ray tube.   introduced.   Web becomes available   1990s.
                                              Monitors are called   • Color graphics are   to the public and
                                              CRTs or greenscreens.   possible, but computer   provides another
                                             • Graphics resolution is   memory is limited.   channel for computer
                                              low, around 128 x 48   • 1987:  256 colors and a   graphics use.
                                              dots per screen.   resolution of 720 dots x
                                                              400 dots are possible.

                  Video      Manufacturers of video           • Video games have                • Users interact with
                             games experiment with            advanced to virtual               games through real-
                             computer graphics in             reality and role playing.         time 3D graphical
                             games such as Pong.              • In business virtual             representations of
                                                              reality technology is             users.
                                                              used to evaluate and
                                                              modify product designs.

                  Movies/TV                   1977:  Star Wars   • 1984:  The Last   • 1991:  Toy Story   • High Definition digital
                                              incorporates 3D   Starfighter displays the   becomes the first   televisions (HDTV)
                                              computer graphics into   first photorealistic   computer animated   become popular.
                                              the film.       computer graphic   full-length film.   • Shark Tale uses global
                                                              images in a feature   • 3D computer graphics   illumination to render
                                                              film.            are used in cartoons on   realistic shadows and
                                                              • 1988:  Who Framed   TV and in animated   reflections.
                                                              Roger Rabbit combines   movies.
                                                              computer animation
                                                              characters with live
                                                              humans.

                  Modeling                                    • Early 1980s:  CAD   • Photographs are
                                                              systems using 2D floor   integrated with CAD
                                                              planning and     drawings.
                                                              rudimentary modeling   • CAD/CAM programs
                                                              are available.   are used to design,
                                                              • Late 1980s: CAD   assemble and test new
                                                              systems offer 3D   products.
                                                              rendering and
                                                              walkthrough
                                                              capabilities.
                                                              • 1989:  Simulation and
                                                              visualization programs
                                                              become available.
                                                              • CAT scan technology
                                                              which allows
                                                              physicians to see
                                                              graphical
                                                              representations of soft
                                                              tissue aid in diagnosis
                                                              and treatment of
                                                              abnormalities.
                                                              • 3D models of the
                                                              human body are used
                                                              for virtual surgery and
                                                              training.


                Figure 1








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