CG-07-07-2020

A translation is applied to an object by

• Repositioning it along with straight line path

• Repositioning it along with circular path

• Resizing

• All of the mentioned

We translate a two-dimensional point by adding

• Translation difference

• Translation distances

• X and Y

• X*Y

The basic geometric transformations are

• Translation

• Rotation

• Scaling

• All of the mentioned

The rotation axis that is perpendicular to the xy plane and passes through the pivot point is known as

a) Rotation

b) Translation

c) Scaling

d) Shearing

• Shearing

• Scaling

• Translation

• Rotation

The original coordinates of the point in polor coordinates are

• X’=r cos (Ф +ϴ) and Y’=r cos (Ф +ϴ)

• X’=r cos (Ф +ϴ) and Y’=r sin (Ф +ϴ)

• X’=r cos (Ф -ϴ) and Y’=r cos (Ф -ϴ)

• X’=r cos (Ф +ϴ) and Y’=r sin (Ф -ϴ)

An ellipse can also be rotated about its center coordinates by rotating

• End points

• Major and minor axes

• minor axis

• none

Two consecutive scaling transformation t1 and t2 are __________.

• Additive

• Substractive

• Multiplicative

• None of these

A _______ transformation alters the size of an object.

• Scaling

• Rotation

• Translation

• Shear

To change the position of a circle or ellipse we translate

• Center coordinates

• Center coordinates and redraw the figure in new location

• Outline coordinates

Polygons are translated by adding __________ to the coordinate position of each vertex and the current attribute setting.

• Straight line path

• Translation vector

• Differences