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GRAFIKA KEL 7

Rizki Ramdani 208700928
Sena Kurniawan 208700935
Ujang S.H 208700951
Yusuf Rachmadtullah 208700966


Grafika Komputer
Soal
Hitung lokasi 7 tiitk pertama yang dilewati oleh garis (15,71)-(114,210) menggunakan Algoritma Bresenham. Gambarkan hasil perhitungannya.
Jawab :
dx = x2 –x1
= 114-15=99
dy=y2 –y1
= 210-71= 139
d1= 2*dy
= 2*139= 278
d2= 2*(dy-dx)
= 2*(139-99) = 139
e= d1-dy
= 278 – 139 = 139
Titik pertama
x = x1 = 15
y = y1 =71
Titik kedua
e>=0
e = e+ d2 = 138+80 =219
x = x+1 = 15+1 = 16
y = y +1 = 71+1 =72
Titik ketiga
e>=0
-> e = e+ d2 = 219+80 =299
x = x+1 = 16+1 = 17
y = y +1 = 72+1 =73
Titik keempat
e>=0
-> e = e+ d2 = 299+80 =379
x = x+1 = 17+1 = 18
y = y +1 = 73+1 =74
Titik kelima
e>=0
-> e = e+ d2 = 379 +80 =459
x = x+1 = 18+1 = 19
y = y +1 = 74+1 =75
Titik keenam
e>=0
-> e = e+ d2 = 459 +80 = 539
x = x+1 = 19+1 = 20
y = y +1 = 75+1 =76

Titik ketujuh
e>=0
-> e = e+ d2 = 539+80 =619
x = x+1 = 20+1 = 21
y = y +1 = 76+1 =77
Gambar koordinat titik-titik tersebut adalah :

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UTS Grafika Kelompok 6


DIketahui : garis (15,71) - (114,210)
Ditanyakan: hitung lokasi 7 titik pertama yang dilewati garis
Jawab
dx = x2 – x1 = 114 – 15 = 99
dy = y2 – y1 = 210 – 71 = 139
dx < dy, maka:
d1 = 2 x dy = 2 x 139 = 278
d2 = 2 x (dy - dx) = 2 x 40 = 80
e = d1 – dy = 278 – 139 = 139
titik ke-1  x = x1 = 15 , y = y1 = 71
e = 139 , 139 > 0 , maka:
e = e + d2 = 139 + 80 = 219
titik ke-2  x = x + 1 = 15 + 1 = 16 , y = y + 1 = 71 + 1 = 72
e = 219, 219 > 0 , maka:
e = e + d2 = 219 + 80 = 299
titik ke-3  x = 16 + 1 = 17, y = 72 + 1 = 73
e = 299, 299 > 0, maka:
e = 299 + 80 = 379
titik ke-4  x = 17 + 1 = 18, y = 73 + 1 = 74
e = 379, 379 > 0, maka:
e = 379 + 80 = 459
titik ke-5  x = 18 + 1 = 19, y = 74 + 1 = 75
e = 459, 459 > 0, maka:
e = 459 + 80 = 539
titik ke-6  x = 19 + 1 = 20, y = 75 + 1 = 76
e = 539, 539 > 0, maka:
e = 539 + 80 = 619
titik ke-7  x = 20 + 1 = 21, y = 76 + 1 = 77
e = 619, 619 > 0, maka:
e = 619 + 80 = 699
titik ke-8  x = 21 + 1 = 22, y = 77 + 1 = 78

Wandi Wanafhati 208700954
Susi Susilawati 208700940
Yuli Susanti 208700963
Yuli Herlinawati 208700952

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KELOMPOK 2+1


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uts kelompok 2

Hitung lokasi 7 tiitk pertama yang dilewati oleh garis (15,71)-(114,210) menggunakan Algoritma Bresenham. Gambarkan hasil perhitungannya.

Jawab :

dx = x2 –x1

= 114-15=99

dy=y2 –y1

= 210-71= 139

d1= 2*dy

= 2*139= 278

d2= 2*(dy-dx)

= 2*(139-99) = 139

e= d1-dy

= 278 – 139 = 139

Titik pertama

x = x1 = 15

y = y1 =71

Titik kedua

e>=0

e = e+ d2 = 138+80 =219

x = x+1 = 15+1 = 16

y = y +1 = 71+1 =72

Titik ketiga

e>=0

-> e = e+ d2 = 219+80 =299

x = x+1 = 16+1 = 17

y = y +1 = 72+1 =73

Titik keempat

e>=0

-> e = e+ d2 = 299+80 =379

x = x+1 = 17+1 = 18

y = y +1 = 73+1 =74

Titik kelima

e>=0

-> e = e+ d2 = 379 +80 =459

x = x+1 = 18+1 = 19

y = y +1 = 74+1 =75

Titik keenam

e>=0

-> e = e+ d2 = 459 +80 = 539

x = x+1 = 19+1 = 20

y = y +1 = 75+1 =76

Titik ketujuh

e>=0

-> e = e+ d2 = 539+80 =619

x = x+1 = 20+1 = 21

y = y +1 = 76+1 =77

Gambar koordinat titik-titik tersebut adalah :

21,77

20,76

19,75

18,74

17,73

16,72

15,71

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UTS KELOMPOK 1

Hitung lokasi 7 tiitk pertama yang dilewati oleh garis (15,71)-(114,210) menggunakan Algoritma Bresenham. Gambarkan hasil perhitungannya.

Jawab :

dx = x2 –x1 = 114-15 =99

dy =y2 –y1 = 210-71 = 139

d1 = 2*dy = 2*139 = 278

d2 = 2*(dy-dx) = 2*(139-99) = 139

e = d1-dy = 278 – 139 = 139

titik pertama

x = x1 = 15

y = y1 =71

titik kedua

karena e>=0

maka e = e+ d2 = 138+80 =219

x = x+1 = 15+1 = 16

y = y +1 = 71+1 =72

titik ketiga

karena e>=0

maka e = e+ d2 = 219+80 =299

x = x+1 = 16+1 = 17

y = y +1 = 72+1 =73

titik keempat

karena e>=0

maka e = e+ d2 = 299+80 =379

x = x+1 = 17+1 = 18

y = y +1 = 73+1 =74

titik kelima

karena e>=0

maka e = e+ d2 = 379 +80 =459

x = x+1 = 18+1 = 19

y = y +1 = 74+1 =75

titik keenam

karena e>=0

maka e = e+ d2 = 459 +80 = 539

x = x+1 = 19+1 = 20

y = y +1 = 75+1 =76

titik ketujuh

karena e>=0

maka e = e+ d2 = 539+80 =619

x = x+1 = 20+1 = 21

y = y +1 = 76+1 =77

Gambar Koordinat setiap titik








21,77






20,76






19,75






18,74






17,73






16,72






15,71