Table of Contents
Which algorithm is used to draw circle?
The mid-point circle drawing algorithm is an algorithm used to determine the points needed for rasterizing a circle. We use the mid-point algorithm to calculate all the perimeter points of the circle in the first octant and then print them along with their mirror points in the other octants.
What is decision parameter in midpoint circle drawing algorithm?
For this purpose decision parameter is used. It uses the circle function (fcircle(x, y) = x2 + y2 – r2) evaluated at the midpoint between these two pixels. If di < 0, this midpoint is inside the circle and the pixel on the scan line yi is closer to the circle boundary.
What is the initial decision parameter in midpoint circle algorithm with a radius of 10?
Radius( r ) = 10 units, x = 0 , y = r . Initial Value of decision parameter P = 1.25 – r = 1.25 – 10 = – 8.75 .
What is midpoint line algorithm?
Line Drawing Algorithms- In computer graphics, Mid Point Line Drawing Algorithm is a famous line drawing algorithm. Mid Point Line Drawing Algorithm attempts to generate the points between the starting and ending coordinates.
Which of the following technique is used in midpoint subdivision algorithm 1 point?
Discussion Forum
| Que. | Which of the following technique is used in Midpoint Subdivision algorithm? |
|---|---|
| b. | Bubble sort |
| c. | Binary search |
| d. | Linear search |
| Answer:Binary search |
What is midpoint ellipse algorithm?
Midpoint ellipse algorithm is a method for drawing ellipses in computer graphics. This method is modified from Bresenham’s algorithm. The advantage of this modified method is that only addition operations are required in the program loops. This leads to simple and fast implementation in all processors.
What is midpoint subdivision algorithm?
Mid Point Subdivision Line Clipping Algorithm: It is used for clipping line. The line is divided in two parts. Mid points of line is obtained by dividing it in two short segments. Again division is done, by finding midpoint.
Why midpoint algorithm are used over other line drawing algorithms?
Advantages of Mid Point Line Drawing Algorithm- It is simple to implement. It uses basic arithmetic operations. It takes less time for computation. The resulted line is smooth as compared to other line drawing algorithms.
What does the midpoint line algorithm do and why is it efficient?
Midpoint Line algorithm The midpoint line algorithm is a line incremental line plotting algorithm in which at each step one can make incremental calculation based on the preceding step to find next value of variable y, which will lead to the formation of an approximate straight line using two points.
What is Cohen Sutherland clipping algorithm?
The Cohen–Sutherland algorithm is a computer-graphics algorithm used for line clipping. The algorithm divides a two-dimensional space into 9 regions and then efficiently determines the lines and portions of lines that are visible in the central region of interest (the viewport).
Is Bresenham better than DDA?
DDA uses floating points where as Bresenham algorithm use fixed points. DDA round off the coordinates to nearest integer but Bresenham algorithm does not. Bresenham algorithm is much accurate and efficient than DDA. Bresenham algorithm can draw circles and curves with much more accuracy than DDA.