Q1: consider the algorithm below,Step 1:Input the two line endpoints, storing the left endpoint in (Xs, Y1)and Right endpoint in (X2, Y2)Plot the point (X1, Y1)Calculate the constants, Ax, Ay, 2Ay and (2Ay - 2Ax) and get thefirst value for the decision parameter as:Step 2:Step 3:Po = 2Ay - AxStep 4:At each Xk along the line, starting at K=0, perform the followingtest: if Pk < 0, the next point to plot is (X+1, Yk) andPk+1 - Pk + 2AyOtherwise the next point to plot is (X+1, Yk+1) and:Pk+1 = Pk + 2Ay - 2AxStep 5:Repeat step 4, Ax times.Explain each step then compare it with DDA algorithm.Q2: use the necessary transformation to generate figure3 from figure2.(4,3)(7,3)(0,3)(3,3)(-2,0)(1,0)Figure 3Figure 2Q3:Use the necessary transformation to generate Figure2 from Figurel.(2, 2)(0, 2)(1,3)(3,3)(0,0)(2,0)(-2,0)(1,1)(3,1)(0,-2)(2,-2)Figure 1Figure 2

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Q1: consider the algorithm below, Step 1: Input the two line endpoints, storing the left endpoint in (X1, Y1) and Right endpoint in (X2, Y2) Step 2: Step 3: Plot the point (X1, Y1) Calculate the constants, Ax, Ay, 2Ay and (2Ay - 2Ax) and get the first value for the decision parameter as: Po - 2Ay - Ax At each Xk along the line, starting at K-0, perform the following test: if Pk < 0, the next point to plot is (Xx+1, Yk) and Pk+1 - Pk + 2Ay Step 4: Otherwise the next point to plot is (Xx+1, Yk+1) and: Pk+1 - Pk+ 2Ay - 2Ax Step 5: Repeat step 4, Ax times. Explain each step then compare it with DDA algorithm. Q2: use the necessary transformation to generate figure3 from figure2. (4,3) (7,3) (0,3) (3,3) (-2,0) (1,0) Figure 3 Figure 2 Q3:Use the necessary transformation to generate Figure2 from Figurel. (2, 2) (0, 2) (1,3) (3,3) (0,0) (2,0) (-2,0) (1,1) (3,1) (0,-2) (2,-2) Figure 1 Figure 2

Q1: consider the algorithm below, Step 1: Input the two line endpoints, storing the left endpoint in (X1, Y1) and Right endpoint in (X2, Y2) Step 2: Step 3: Plot the point (X1, Y1) Calculate the constants, Ax, Ay, 2Ay and (2Ay - 2Ax) and get the first value for the decision parameter as: Po - 2Ay - Ax At each Xk along the line, starting at K-0, perform the following test: if Pk < 0, the next point to plot is (Xx+1, Yk) and Pk+1 - Pk + 2Ay Step 4: Otherwise the next point to plot is (Xx+1, Yk+1) and: Pk+1 - Pk+ 2Ay - 2Ax Step 5: Repeat step 4, Ax times. Explain each step then compare it with DDA algorithm. Q2: use the necessary transformation to generate figure3 from figure2. (4,3) (7,3) (0,3) (3,3) (-2,0) (1,0) Figure 3 Figure 2 Q3:Use the necessary transformation to generate Figure2 from Figurel. (2, 2) (0, 2) (1,3) (3,3) (0,0) (2,0) (-2,0) (1,1) (3,1) (0,-2) (2,-2) Figure 1 Figure 2

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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