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1. Dictionary

   Computer graphics

   plural

   • 1. visual images produced by computer processing: "as computer graphics become more and more advanced, human characters look more and more real"
   • ▪ the use of computers linked to display screens to generate and manipulate visual images: "they have fundamentally influenced the field of computer graphics"

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2. Top results related to computer graphics definition

   • Graphics Software Standards in Computer Graphics

     Graphics software standards help to create and set a standard for the development of computer graphics, as there are mainly two categories or general classes of computer graphics: General programming packages and Special-purpose applications packages.

     Introduction

     Each of these classes has its software standard, so understanding these standards is important to get an overview of how standards are defined in computer graphics. by understanding the classes for computer graphics it becomes easier to understand the standards for them, lets look at two of the graphics packages in computer graphics.

     Graphics Packages

     Computer graphics are divided into two package classes and each of these two packages contains one graphics software standard which is used in the computer graphics to create working software for the graphics in computers:

     General Graphics Programming Package

     A general graphics programming package helps in providing a set of functions for the graphics that are used in high-level programming languages such as C or FORTRAN etc. real-life example of a general graphics programming package can be the GL which stands for the graphics library system, it’s used in the silicon graphics.

     Some of the basic...

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   • Computer Graphics Curve in Computer Graphics

     In computer graphics, we often need to draw different types of objects onto the screen. Objects are not flat all time and we need to draw curves many times to draw an object.

     Types of Curves:The curve is an infinitely large set of points. Each point has two neighbors except endpoints.

     Implicit Curves:An implicit curve or surface is the set of zeros of a function of 2 or 3 variables. We use implicit curve functions to define lines and planes. Provides no control over tangents at connection points when joining several implicit functions. Implicit functions are hard to find for many shapes. Use a function that states which points are on and off the curves. 

      All lines: Ax+By+C=0 

     In three dimensions f(X,Y, Z) defines a surface.

     A sphere centered at the origin with a radius:Curves in 3D are not so easily represented in implicit form. In general, we cannot solve for points that satisfy the implicit form.

     Cannot represent all curves (vertical lines, circles)Gives the value of one variable, the dependent variable in other terms of the other the independent variable. The most familiar form of the...

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   • Computer Graphics Curve in Computer Graphics

     In computer graphics, we often need to draw different types of objects onto the screen. Objects are not flat all time and we need to draw curves many times to draw an object.

     Types of Curves:The curve is an infinitely large set of points. Each point has two neighbors except endpoints.

     • Implicit curves
     • Explicit curves
     • Parametric curves
     • Bezier curves
     • B-spline curves

     Implicit Curves:An implicit curve or surface is the set of zeros of a function of 2 or 3 variables. We use implicit curve functions to define lines and planes. Provides no control over tangents at connection points when joining several implicit functions. Implicit functions are hard to find for many shapes. Use a function that states which points are on and off the curves. 

      

     All lines: Ax+By+C=0 

     In three dimensions f(X,Y, Z) defines a surface.

     • Any plane Ax+By+ +D=0, with constants a,b,c, and d.
     • A sphere centered at the origin with a radius:

     Curves in 3D are not so easily represented in implicit form. In general, we cannot solve for points that satisfy the implicit form.

     • Implicit function form – f(x,y) = 0                                                                                                                                                                              
     • The implicit representation for the circle is:  X^2+Y^2-R^2=0 

     Gives the value of one variable, the dependent variable in other terms of the other the independent variable. The most familiar form of the curve in 2D:  

     Where y is the dependent variable, and x is...

     • Simple curve: Simple bezier curve is a straight line from the point. 
     • B0,2(u)=2Co*+u^0(1-u)*^2-0
     • B1,2(u)=2C1*U^1(1-u)*^2-1
     • B2,2(u)=2C2*U^2(1-u)*^2-2
     • Bezier curves exhibit global control points means moving control points alert the shape of the whole curve.
     • Hermit spline
     • Relaxed end spline
     • Cyclic spline
     • Anti cyclic spline
     • Normalized spline

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   • Computer Graphics - 3D Rotation Transformations

     Rotation in 3D is more nuanced as compared to the rotation transformation in 2D, as in 3D rotation we have to deal with 3-axes (x, y, z). 

     Rotation about an arbitrary axis

     There are three kinds of arbitrary rotation, here we can rotate an object just parallel(or along) a specific axis so that the coordinate about which the object rotates, remains unchanged and the rest two of the coordinates get changes. There are three kinds of such rotations that are possible:

     • Rotation about the X-axis,
     • Rotation about the Y-axis,
     • Rotation about the Z-axis.

     1) Rotation about the x-axis: In this kind of rotation, the object is rotated parallel to the x-axis (principal axis), where the x coordinate remains unchanged and the rest of the two coordinates y and z only change.  Consider a point with initial coordinate P(x,y,z) in 3D space is made to rotate parallel to the principal axis(x-axis). The coordinate position would change to P'(x,y,z). 

     A rotation transformation matrix is used to calculate the new position coordinate P’, which shown as below:

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     Rotation along x-axis

      

     2) Rotation about the y-axis: In this kind of rotation, the object is rotated parallel to the y-axis (principal axis),...

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   • Computer Graphics Basics Archives

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3. en.wikipedia.org › wiki › Computer_graphicsComputer graphics - Wikipedia

   en.wikipedia.org › wiki › Computer_graphics

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   Computer graphics deals with generating images and art with the aid of computers. Computer graphics is a core technology in digital photography, film, video games, digital art, cell phone and computer displays, and many specialized applications.

4. www.coursera.org › articles › computer-graphicsWhat Is Computer Graphics? A Guide to Getting Started

   www.coursera.org › articles › computer-graphics

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   Jun 15, 2023 · Computer graphics refers to a technology that generates images on a computer screen. It’s used in digital photography, film and television, video games, and on electronic devices and is responsible for displaying images effectively to users.

5. www.geeksforgeeks.org › introduction-to-computer-graphicsIntroduction to Computer Graphics - GeeksforGeeks

   www.geeksforgeeks.org › introduction-to-computer-graphics

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   May 23, 2024 · Computer Graphics are defined as any sketch, a drawing, or a special network that pictorially represents some meaningful information. Computer Graphics is used where a set of images needs to be manipulated or the creation of an image in the form of pixels is drawn on the computer.

6. www.graphics.cornell.edu › about › what-computer-graphicsWhat is Computer Graphics? | Program of Computer Graphics

   www.graphics.cornell.edu › about › what-computer-graphics

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   The field of computer graphics is a broad and diverse field that exists cross section between computer science and design. It is interested in the entire process of creating computer generated imagery, from creating digital three-dimensional models, to the process of texturing, rendering, and lighting those models, to the digital display of ...

7. en.wikipedia.org › wiki › Computer_graphics_(computer_science)Computer graphics (computer science) - Wikipedia

   en.wikipedia.org › wiki › Computer_graphics_(computer_science)

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   Computer graphics is a sub-field of computer science which studies methods for digitally synthesizing and manipulating visual content. Although the term often refers to the study of three-dimensional computer graphics, it also encompasses two-dimensional graphics and image processing.

8. open.umn.edu › opentextbooks › textbooksIntroduction to Computer Graphics - Open Textbook Library

   open.umn.edu › opentextbooks › textbooks

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   Introduction to Computer Graphics is a free, on-line textbook covering the fundamentals of computer graphics and computer graphics programming. This book is meant for use as a textbook in a one-semester course that would typically be taken by undergraduate computer science majors in their third or fourth year of college. About the Contributors.

9. www.britannica.com › topic › computer-graphicsComputer graphics | Rendering, Animation & Visualization

   www.britannica.com › topic › computer-graphics

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   computer graphics, production of images on computers for use in any medium. Images used in the graphic design of printed material are frequently produced on computers, as are the still and moving images seen in comic strips and animations.

10. www.explainthatstuff.com › computer-graphicsComputer graphics: Introduction and history - Explain that Stuff

    www.explainthatstuff.com › computer-graphics

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    Jul 12, 2022 · An easy-to-understand introduction to computer graphics, including raster and vector graphics, 2D and 3D, and CGI.

11. www.graphics.cornell.edu › online › tutorialWhat is Computer Graphics? - Cornell University

    www.graphics.cornell.edu › online › tutorial

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    Apr 15, 1998 · What is Computer Graphics? The term computer graphics includes almost everything on computers that is not text or sound. Today almost every computer can do some graphics, and people have even come to expect to control their computer through icons and pictures rather than just by typing.

12. www.glossaryofai.com › computer_graphicsWhat is Computer Graphics? The definition of 'Computer Graphics...

    www.glossaryofai.com › computer_graphics

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    Computer Graphics is a field of study that deals with the creation, manipulation, and representation of visual data using computers. It involves the use of algorithms and mathematical models to generate images, animations, and interactive applications.