EX: Compute the X, Y coordinates for a circle with radius 9 using Bresenham Il algorithm. • X=0, Y=R • E = 2(1-R) •1 plot(X,Y) • If Y<= 0 then 4 • If E<0 then 2 • If E = 0 then 20 • IHE> 0 then 3 • 2 S= 2E + 2Y -1 If S<= 0 then 10 • IfS>0 then 20 • 3 š = 2E - 2X-1 If Š<= 0 then 20 If Š > 0 then 30 • 10 X= X+1, E = E + 2X +1, goto 1 • 20 X = X+1,Y=Y-1, E = E+ 2X-2Y +2, go to 1 • 30 Y =Y-1, E = E-2Y +1, go to 1 • 4 END • 2

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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EX: Compute the X, Y coordinates for a circle with radius 9 using Bresenham Il algorithm.
• X=0, Y=R
· E= 2(1-R)
• 1 plot(X,Y)
• If Y <= 0 then 4
• If E<0 then 2
• If E = 0 then 20
• If E>0 then 3
• 2
S = 2E + 2Y -1
If S<= 0 then 10
• If S >0 then 20
• 3 Š= 2E- 2X-1
If Š <= 0 then 20
If Š>0 then 30
• 10 X = X+1, E = E + 2X +1, goto 1
• 20 X = X+1,Y=Y-1, E = E + 2X- 2Y +2, go to 1
• 30 Y =Y-1, E = E- 2Y +1, go to 1
. 4
END
Transcribed Image Text:EX: Compute the X, Y coordinates for a circle with radius 9 using Bresenham Il algorithm. • X=0, Y=R · E= 2(1-R) • 1 plot(X,Y) • If Y <= 0 then 4 • If E<0 then 2 • If E = 0 then 20 • If E>0 then 3 • 2 S = 2E + 2Y -1 If S<= 0 then 10 • If S >0 then 20 • 3 Š= 2E- 2X-1 If Š <= 0 then 20 If Š>0 then 30 • 10 X = X+1, E = E + 2X +1, goto 1 • 20 X = X+1,Y=Y-1, E = E + 2X- 2Y +2, go to 1 • 30 Y =Y-1, E = E- 2Y +1, go to 1 . 4 END
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