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Q3: Consider the algorithm below, Explain each step then compare it with DDA algorithm. Step 1: Input the two line endpoints, storing the left endpoint in (X4, Ya) and Right endpoint in (X2, Y2) Plot the point (Xa, Ya) Calculate the constants, Ax, Ay, 2Ay and (2Ay- 2Ax) and get the first value for the decision parameter as: Step 2: Step 3: Po- 2Ay-Ax Step 4: At each Xx along the line, starting at K-0, perform the following test: if Pk< 0, the next point to plot is (X+1, YA) and Pk1 - Pk+2Ay Otherwise the next point to plot is (X+1, Yn+1) and: P1 - Pk+2Ay - 2Ax Step 5: Repeat step 4, Ax times.

Q3: Consider the algorithm below, Explain each step then compare it with DDA algorithm. Step 1: Input the two line endpoints, storing the left endpoint in (X4, Ya) and Right endpoint in (X2, Y2) Plot the point (Xa, Ya) Calculate the constants, Ax, Ay, 2Ay and (2Ay- 2Ax) and get the first value for the decision parameter as: Step 2: Step 3: Po- 2Ay-Ax Step 4: At each Xx along the line, starting at K-0, perform the following test: if Pk< 0, the next point to plot is (X+1, YA) and Pk1 - Pk+2Ay Otherwise the next point to plot is (X+1, Yn+1) and: P1 - Pk+2Ay - 2Ax Step 5: Repeat step 4, Ax times.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Q3: Consider the algorithm below, Explain each step then compare it with DDA algorithm. Step 1: Input the two line endpoints, storing the left endpoint in (X1, Y2) and Right endpoint in (X2. Y2) Step 2: Plot the point (X1, Y2) Step 3: Calculate the constants, Ax, Ay, 2Ay and (2Ay - 2AX) and get the first value for the decision parameter as: Po = 2Ay - Ax Step 4: At each Xi along the line, starting at K-0, perform the following test: if Pk < 0, the next point to plot is (X+1, Yn) and Pk+1 = Pk+2Ay Otherwise the next point to plot is (X+1, Y+1) and: Pr1 = Pk+2Ay - 2Ax Step 5: Repeat step 4, Ax times.
Transcribed Image Text:Q3: Consider the algorithm below, Explain each step then compare it with DDA algorithm. Step 1: Input the two line endpoints, storing the left endpoint in (X1, Y2) and Right endpoint in (X2. Y2) Step 2: Plot the point (X1, Y2) Step 3: Calculate the constants, Ax, Ay, 2Ay and (2Ay - 2AX) and get the first value for the decision parameter as: Po = 2Ay - Ax Step 4: At each Xi along the line, starting at K-0, perform the following test: if Pk < 0, the next point to plot is (X+1, Yn) and Pk+1 = Pk+2Ay Otherwise the next point to plot is (X+1, Y+1) and: Pr1 = Pk+2Ay - 2Ax Step 5: Repeat step 4, Ax times.
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