MCQs of 2D transformation and viewing (Computer Graphics - 3150712)

Showing 21 to 30 out of 34 Questions

21.

Window defines :

22.

In 2D viewing we have :

23.

Viewport defines :

24.

How many homogenous representations are possible for one point (x, y)?

25.

Equations for fixed-point scaling are :

26.

Which is not a line clipping algorithm?

27.

Clipping is used for :

28.

After applying 2D shearing transformation in x-direction unit square becomes :

29.

Which are correct coordinates after applying shear in y-direction relative to line x=-1 with shear parameter 0.5 on the unit square?

30.

for the Liang-Barsky algorithm which is a correct set of the equations?

(a)	$\begin{matrix} p_{1} = ∆ x, q_{1} = x_{1} - x_{w m i n} \\ p_{2} = - ∆ x, q_{1} = x_{w m a x} - x_{1} \\ p_{3} = ∆ y, q_{3} = y_{1} - y_{w m i n} \\ p_{4} = - ∆ y, q_{4} = y_{w m a x} - y_{1} \end{matrix}$
(b)	$\begin{matrix} p_{1} = - ∆ x, q_{1} = x_{1} - x_{w m i n} \\ p_{2} = ∆ x, q_{1} = x_{w m a x} - x_{1} \\ p_{3} = - ∆ y, q_{3} = y_{1} - y_{w m i n} \\ p_{4} = ∆ y, q_{4} = y_{w m a x} - y_{1} \end{matrix}$
(c)	$\begin{matrix} p_{1} = - ∆ x, q_{1} = x_{1} + x_{w m i n} \\ p_{2} = ∆ x, q_{1} = x_{w m a x} - x_{1} \\ p_{3} = - ∆ y, q_{3} = y_{1} + y_{w m i n} \\ p_{4} = ∆ y, q_{4} = y_{w m a x} - y_{1} \end{matrix}$
(d)	$\begin{matrix} p_{1} = - ∆ x, q_{1} = x_{1} - x_{w m i n} \\ p_{2} = ∆ x, q_{1} = x_{w m a x} + x_{1} \\ p_{3} = - ∆ y, q_{3} = y_{1} - y_{w m i n} \\ p_{4} = ∆ y, q_{4} = y_{w m a x} + y_{1} \end{matrix}$

Showing 21 to 30 out of 34 Questions