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Introduction to computer graphics


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Introduction to computer graphics

  2. 2. Table of contents <ul><li>Introduction to computer graphics </li></ul><ul><li>Types of Computer Graphics </li></ul><ul><li>Difference B/W Active And Passive Graphics </li></ul><ul><li>Application Of Computer Graphics </li></ul>
  3. 3. Introduction To Computer Graphics <ul><li>Refers to creation, Storage and manipulation of pictures and drawing using a digital computer. </li></ul><ul><li>Effective tool for presenting information. </li></ul><ul><li>Computer aided design. </li></ul><ul><li>Computer aided manufacturing. </li></ul>
  4. 4. Types of computer graphics <ul><li>Simple or </li></ul><ul><ul><li>Passive Computer Graphics </li></ul></ul><ul><li>Interactive or </li></ul><ul><ul><ul><li>passive computer graphics </li></ul></ul></ul>
  5. 5. Difference b/w Active and passive graphics <ul><li>Passive </li></ul><ul><li>Control </li></ul><ul><ul><li>No Control </li></ul></ul><ul><li>Communication </li></ul><ul><ul><li>One Way Communication </li></ul></ul><ul><li>Interaction </li></ul><ul><ul><li>No Interaction b/w User and H/W </li></ul></ul><ul><li>Earlier supported </li></ul><ul><li>Motion & Updation </li></ul><ul><ul><li>No facility </li></ul></ul><ul><li>Active </li></ul><ul><li>Control </li></ul><ul><ul><li>Dynamic nature </li></ul></ul><ul><li>Communication </li></ul><ul><ul><li>2-Way Communication </li></ul></ul><ul><li>Interaction </li></ul><ul><ul><li>High bandwidth user interaction </li></ul></ul><ul><li>Modern Applications </li></ul><ul><li>Motion & Updation </li></ul><ul><ul><li>2-D, 3-D Transformations </li></ul></ul>
  6. 6. Applications of Computer Graphics <ul><li>User Interface </li></ul><ul><li>Interactive Plotting in Science Business and technology. </li></ul><ul><li>Office Automation & E-Publishing. </li></ul>
  7. 7. Contd.. <ul><li>Process Control </li></ul><ul><li>Cartography </li></ul><ul><li>Simulation, Animation for Scientific Visualization and Entertainment. </li></ul><ul><li>Art and Commerce </li></ul>
  8. 8. <ul><ul><li>Computer Aided Design </li></ul></ul><ul><ul><li>Presentation Graphics </li></ul></ul><ul><ul><li>Entertainment </li></ul></ul><ul><ul><li>Education and Training </li></ul></ul><ul><ul><li>Image Processing </li></ul></ul><ul><ul><li>Graphical User Interfaces </li></ul></ul>
  9. 9. COMPUTER AIDED DESIGN <ul><li>Circuit Drawings </li></ul><ul><li>Real-time Animations </li></ul><ul><li>Virtual-Reality Environments </li></ul><ul><li>Architectural Drawings </li></ul>
  10. 10. COMPUTER AIDED DESIGN <ul><ul><li>Credit: MIKE JUSTICE, UNIVERSITY OF MIAMI SCHOOL OF ARCHITECTURE Date Created: 1/5/1999 Software: AutoCAD and 3D Studio Max R2 </li></ul></ul>Towards Virtual Manufacturing
  11. 11. PRESENTATION GRAPHICS <ul><li>Presentation Graphics is representing descriptions and facts using graphs. </li></ul><ul><li>Various Graphs such as Piechart, bargraphs line charts are used. </li></ul><ul><li>Used to summarize financial, statistical, mathematical, scientific data etc. </li></ul>
  12. 12. VISUALIZATION <ul><li>Scientific Visualization </li></ul><ul><li>Business Visualization </li></ul><ul><li>Computer graphics makes vast quantities of data accessible. </li></ul><ul><li>Numerical simulations frequently produce millions of data values. </li></ul><ul><li>Similarly, satellite-based sensors amass data at rates beyond our abilities to interpret them by any other means than visually. </li></ul><ul><li>Mathematicians use computer graphics to explore abstract and high-dimensional functions and spaces. </li></ul><ul><li>Physicists can use computer graphics to transcend the limits of scale. </li></ul>
  13. 13. IMAGE PROCESSING <ul><li>Manipulating images with a computer </li></ul><ul><li>  </li></ul><ul><li>Image processing generally involves three steps: </li></ul><ul><ul><li>Import an image with an optical scanner or directly through digital photography. </li></ul></ul><ul><ul><li>Manipulate the image in some way. This stage can include image enhancement and data compression. </li></ul></ul><ul><li>For example: Image processing can be used to reduce the noise (that infernal spec that comes from nowhere) in an image. </li></ul><ul><ul><li>Output the result. The result is the image altered in some way. </li></ul></ul><ul><li>  </li></ul>
  14. 14. EDUCATION AND TRAINING <ul><li>Computer Graphics is almost used in every field to teach and train </li></ul><ul><li>Medicine </li></ul><ul><li>Human Anatomy Models </li></ul><ul><li>Engineering </li></ul><ul><li>Animated Models : Explaining the working of different models </li></ul><ul><li>Fashion Designing </li></ul><ul><li>Designing and Creating new Patterns </li></ul>
  15. 15. ENTERTAINMENT <ul><li>Motion Pictures </li></ul><ul><li>Music Videos </li></ul><ul><li>Television Shows </li></ul><ul><li>Games </li></ul>
  16. 16. Coming Lectures <ul><li>Input devices </li></ul><ul><ul><li>Keyboard </li></ul></ul><ul><ul><li>Touch Panel </li></ul></ul><ul><ul><li>Light pen </li></ul></ul><ul><ul><li>Track ball </li></ul></ul><ul><ul><li>Data Glove </li></ul></ul><ul><ul><li>Digitizers </li></ul></ul><ul><ul><li>Image Scanner </li></ul></ul><ul><ul><li>Mouse </li></ul></ul><ul><ul><li>Voice Systems </li></ul></ul>