Equations for fixed-point scaling are:
a) 𝓍ˊ = 𝓍*s𝓍 + 𝓍f (1 − s𝓍), 𝒴ˊ = 𝒴*s𝒴 + 𝒴f (1 − s𝒴)
b) 𝓍ˊ = 𝓍*s𝓍 + 𝒴f (1 − s𝓍), 𝒴ˊ = 𝒴*s𝒴 + 𝓍f (1 − s𝒴)
c) 𝓍ˊ = 𝓍*s𝒴 + 𝓍f (1 − s𝓍), 𝒴ˊ = 𝒴*s𝓍 + 𝒴f (1 − s𝒴)
d) None of these
Which is not a line clipping algorithm?
a) NLN algorithm
b) Cohen-Sutherland algorithm
c) Weiler-Ather𝓲𝓷ton algorithm
d) All of these
Clipping is used for :
a) The display small size image
b) The display large size image
c) The display part of an image
d) All of these
After applying 2D shearing transformation in x-direction unit square becomes:
a) Parallelogram
b) Parabola
c) Rectangle
d) Hyperbola
Which are correct coordinates after applying shear in y-direction relative to line x=-1 with shear parameter 0.5 on the unit square?
a) [(0, 1), (1, 1), (1, 0), (0, 0)]
b) [(1.5, 1), (0.5, 1), (1, 1), (2, 2)]
c) [(1.5, 1.5), (0.5, 1.5), (0, 1), (1, 2)]
d) [(0, 0.5), (1, 1), (1, 2), (0, 1.5)]
Correct scaling factor for Window to Viewport transformation are :
