Computer Graphics and Multimedia is a field that focuses on the creation, manipulation, and representation of visual and interactive content using computers. It involves generating images, animations, and videos through techniques like rendering, modeling, and animation. Multimedia integrates various forms of media, such as text, audio, graphics, and video, to create engaging and interactive experiences. Applications include video games, virtual reality, film production, web design, and simulations. This field combines computer science, art, and design to innovate and enhance digital communication and entertainment.
42 questions and answers
Difference between JPEG and Bitmap
The full form JPEG is Joint Photographic Experts Group. And there are two extensions used to store image in this format, these are .jpg and .jpeg .
Scaling
It is used to alter or change the size of objects. The change is done using scaling factors. There are two scaling factors, i.e. Sx in x direction Sy in y-direction. If the original position is x and y. Scaling factors are Sx and Sy then the value of coordinates after scaling will be x1 and y1.
Translation
It is the straight line movement of an object from one position to another is called Translation. Here the object is positioned from one coordinate location to another.
Introduction of Transformations
Computer Graphics provide the facility of viewing object from different angles. The architect can study building from different angles i.e. 1. Front Evaluation
Describe Scan Line Polygon Fill Algorithm.
This algorithm lines interior points of a polygon on the scan line and these points are done on or off according to requirement. The polygon is filled with various colors by coloring various pixels.
Describe Flood Fill Algorithm.
In this method, a point or seed which is inside region is selected. This point is called a seed point. Then four connected approaches or eight connected approaches is used to fill with specified color.
Write down Bresenham's Circle Algorithm .
Scan-Converting a circle using Bresenham's algorithm works as follows: Points are generated from 90° to 45°, moves will be made only in the +x & -y directions as shown in fig:
What are the application of Computer Graphics ?
Computer-generated model of the physical, financial and economic system is often used as educational aids. Model of physical systems, physiological system, population trends or equipment can help trainees to understand the operation of the system.
What is Computer Graphics ?
It is difficult to display an image of any size on the computer screen. This method is simplified by using Computer graphics. Graphics on the computer are produced by using various algorithms and techniques.
Bresenham's Line Algorithm.
This algorithm is used for scan converting a line. It was developed by Bresenham. It is an efficient method because it involves only integer addition, subtractions, and multiplication operations. These operations can be performed very rapidly so lines can be generated quickly.
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