What is the DDA algorithm in computer graphics?
DDA Algorithm. DDA stands for Digital Differential Analyzer. It is an incremental method of scan conversion of line. In this method calculation is performed at each step but by using results of previous steps. Suppose at step i, the pixels is (x i ,y i) The line of equation for step i. y i =mx i+b ………………….equation 1.
Which is the DDA algorithm for Turbo C + +?
DDA algorithm Program in Turbo C++: Bresenham’s line algorithm is an algorithm for line rendering. This article includes a list of references, related reading or external links, but its sources remain unclear because it lacks inline citations. Please help to improve this article by introducing more precise citations.
Which is better the DDA algorithm or the direct method?
Implementation of the DDA algorithm is very easy as compared to other line generation algorithms. It does not use multiplication which reduces the time complexity of implementation. It is a faster and a better method than using the direct method of the line equation: i.e. y = mx + c
Why does the DDA algorithm use floating point arithmetic?
DDA algorithm use floating-point arithmetic as it involves the use of division in the calculation of x inc and y inc. This floating-point arithmetic makes the algorithm time-consuming. The use of floating-point arithmetic decreases the accuracy of the generated points.
How to calculate the successive points in DDA?
The successive points are calculated as follows: (xnext, ynext) = (x + xinc, y + yinc) Start plotting the points from P and stop when Q is reached. In case the incremented values are decimal, use the round off values. Now, let us have a look at the algorithm that is followed in DDA. Step 1: Start. Step 2: Declare x1, y1, x2, y2.