All Q&A
1

Difference between JPEG and Bitmap

6 June, 2023
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 .
2

Scaling

6 June, 2023
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.
3

Translation

6 June, 2023
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.
4

Introduction of Transformations

6 June, 2023
Computer Graphics provide the facility of viewing object from different angles. The architect can study building from different angles i.e. 1. Front Evaluation
5

Describe Scan Line Polygon Fill Algorithm.

6 June, 2023
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.
6

Describe Flood Fill Algorithm.

6 June, 2023
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.
7

Write down Bresenham's Circle Algorithm .

6 June, 2023
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:
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