Computer Graphics

1. Presented by
SYED HAMID ALI
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Computer Graphics software

2. What is Graphics?
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Graphics means:
 Clear lifelike or vividly realistic description.
 vividly or plainly shown or described
E.g. autographs are images or designs on some
surface, such as a visual wall, canvas, screen,
paper, or stone

3. Purpose of Graphics
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Their purpose is
 to inform,
 to illustrate,
&
 to entertain.
It includes pictorial representation of data.
Images that are generated by a computer are
called computer graphics

4. What is Computer Graphics?
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Computer graphics are pictures and movies
created using computers, usually referring
to image data created by a computer
specifically
with help from specialized graphical hardware
and software.
Another name for this field is
Computer Generated Imagery ,
simply said as CGI

5. What is computer graphics?
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The term computer graphics describes "almost
everything on computers that is not text or sound".
It refers to several different things:
 the representation and
manipulation of image
data by a computer
 the various technologies used to
create and manipulate images.

6. Use of computer graphics
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Computer graphics is widespread today.
Computer imagery is found on
 Television
 Newspapers ,
 Weather Reports
&
 all kinds of Medical Investigation and Surgical
Procedures.

7. Types of Computer Graphics
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Two-dimensional
 2D computer graphics are the computer-based
generation of digital images—mostly from models,
such as digital image, and by techniques specific to
them.
Pixel art
 A large form of digital art being pixel art is created
through the use of raster graphics software, where
images are edited on the pixel level.

8. Types of Computer Graphics
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Sprite graphics:
 A sprite is a two-dimensional image or animation
that is integrated into a larger scene.

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Vector graphics:
 Vector graphics is the creation of digital
images through a sequence of commands or
mathematical statements that place lines and
shapes in a given two-dimensional or three-
dimensional space.

10. Types of Computer Graphics
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Three-dimensional
3D graphics compared to 2D graphics are graphics that
use a three-dimensional representation of geometric data.
 For the purpose of performance this is stored in the
computer.
 This includes images that may be for later display or for
real-time viewing.
Computer animation
Computer animation is the art of creating moving images
via the use of computers. It is a sub-field of computer
graphics and animation.

11. Example of image
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12. Example of Images
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13. What are Graphics Software?
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Graphics software or images editing software is a
program or collection of programs that enable a
person to manipulate visual images on a
computer.

14. List of Graphics Software
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 Aladdin 4D
 Animation: Master
 Blender (Blender Foundation)
 BRL-CAD
 Cobalt
 DX Studio
 Free CAD
 Mesh Lab
 Open FX
 Photoshop (Adobe Systems)

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