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Computer Graphics
Areas of Application
Introduction
 Computer graphics involves display,
manipulation data for proper visualization
using computer.
 Generate 2D images of a 3D world
represented in a computer.
 Main tasks:
◦ Modeling: creating and representing the
geometry of objects in the 3D world
◦ Rendering: generating 2D images of the
objects
◦ Animation: describing how objects change in
Application Areas
 Computer Aided Design(CAD)
 Presentation Graphics
 Computer Art
 Education and training
 Visualization
 Image processing
 Entertainment
◦ Movies Industry
◦ Gaming Industry
 Medical field
 Graphical User Interface(GUI)
CAD
 Major use of computer graphics is in
design process, particularly for
engineering and architectural systems.
 This include design of buildings,
automobiles, aircraft etc.
Presentation Graphics
 Used to summarize the financial,
mathematical, scientific and economic
data.
 Typical examples are bar charts, line
graphs, pie charts etc.
Computer Art
 Artist uses special purpose hardware
and programs that provides facilities
for designing object shapes and
specifying object motion.
 Examples pixel paint, super paint etc.
Education and training
 Computer generated models of
physical, financial and economic
system are often used as educational
aids.
 Various kinds of simulators program
can be used to provide the trainings.
E.g. automobile driving simulator.
Visualization
 Various techniques can be used to
represent the large amount of data
obtained from scientific , medical or
business analysis.
 These includes color coding, contour
plots, graphs , charts etc.
Image Processing
 Computer graphics is used to create
pictures.
 Image processing applies techniques
to modify or interpret the existing
pictures.
 It is used to:
◦ Improve picture quality
◦ Machine perception of visual information
Entertainment
 Computer graphics methods are now
commonly used in making motion
pictures, music videos , games and
televisions shows.
 Sometime graphics pictures are
displayed by themselves and
sometime combined with the actors
and live scenes.
Medical Field
 Computer graphics can also be used
to represent the various internal parts
and process of the human body.
GUI
 It is the interface of the software that
communicates with the user with help
of some input devices.
 It contains number of windows ,
menus and icons for fast selection of
processing options.

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Cg applications

  • 2. Introduction  Computer graphics involves display, manipulation data for proper visualization using computer.  Generate 2D images of a 3D world represented in a computer.  Main tasks: ◦ Modeling: creating and representing the geometry of objects in the 3D world ◦ Rendering: generating 2D images of the objects ◦ Animation: describing how objects change in
  • 3. Application Areas  Computer Aided Design(CAD)  Presentation Graphics  Computer Art  Education and training  Visualization  Image processing  Entertainment ◦ Movies Industry ◦ Gaming Industry  Medical field  Graphical User Interface(GUI)
  • 4. CAD  Major use of computer graphics is in design process, particularly for engineering and architectural systems.  This include design of buildings, automobiles, aircraft etc.
  • 5. Presentation Graphics  Used to summarize the financial, mathematical, scientific and economic data.  Typical examples are bar charts, line graphs, pie charts etc.
  • 6. Computer Art  Artist uses special purpose hardware and programs that provides facilities for designing object shapes and specifying object motion.  Examples pixel paint, super paint etc.
  • 7. Education and training  Computer generated models of physical, financial and economic system are often used as educational aids.  Various kinds of simulators program can be used to provide the trainings. E.g. automobile driving simulator.
  • 8. Visualization  Various techniques can be used to represent the large amount of data obtained from scientific , medical or business analysis.  These includes color coding, contour plots, graphs , charts etc.
  • 9. Image Processing  Computer graphics is used to create pictures.  Image processing applies techniques to modify or interpret the existing pictures.  It is used to: ◦ Improve picture quality ◦ Machine perception of visual information
  • 10. Entertainment  Computer graphics methods are now commonly used in making motion pictures, music videos , games and televisions shows.  Sometime graphics pictures are displayed by themselves and sometime combined with the actors and live scenes.
  • 11. Medical Field  Computer graphics can also be used to represent the various internal parts and process of the human body.
  • 12. GUI  It is the interface of the software that communicates with the user with help of some input devices.  It contains number of windows , menus and icons for fast selection of processing options.