MCQs of 3D concepts and object representation (Computer Graphics - 3150712)

Computer Graphics (3150712) MCQs

MCQs of 3D concepts and object representation

Showing 31 to 40 out of 50 Questions

31.

Which is the correct equation for cardinal spline?

(a)	$p (u) = p_{k - 2} C A R_{0} (u) + p_{k + 1} C A R_{1} (u) + p_{k + 2} C A R_{2} (u) + p_{k + 3} C A R_{3} (u)$
(b)	$p (u) = p_{k - 1} C A R_{0} (u) + p_{k} C A R_{1} (u) + p_{k + 1} C A R_{2} (u) + p_{k + 2} C A R_{3} (u)$
(c)	$p (u) = p_{k} C A R_{0} (u) + p_{k + 1} C A R_{1} (u) + p_{k + 2} C A R_{2} (u) + p_{k + 3} C A R_{3} (u)$
(d)	$p (u) = p_{k + 1} C A R_{0} (u) + p_{k + 2} C A R_{1} (u) + p_{k + 3} C A R_{2} (u) + p_{k + 4} C A R_{3} (u)$

32.

Kochanek-bartels spline is extension of :

(a)	Natural cubic splines
(b)	Hermit interpolation
(c)	Cardinal splines
(d)	Morden cubic splines

33.

Which two additional parameters are introduced into the constraint equation for defining Kochanek-Bartels spline to provide more flexibility in adjusting the shape of the curve section?

(a)	Bias and Continuity
(b)	Bias and Tension
(c)	Continuity and Tension
(d)	None of these

34.

In a Kochanek-Bartels spline, which parameter is used to adjust the amount that the curve bends at each end of the section?

(a)	Tension
(b)	Bias
(c)	Continuity
(d)	None of these

35.

In Kochanek-Bartels spline, which parameter is used to controls the continuity of the tangent vectors across the boundaries of the section?

(a)	Tension
(b)	Bias
(c)	Continuity
(d)	None of these

36.

Bezier curves are developed by :

(a)	American mathematician Charles Bezier
(b)	American mathematician Charlie Bezier
(c)	French engineer Polin Bezier
(d)	French engineer Pierre Bezier

37.

Bezier curve section can be fitted to __________ control points.

(a)	Three
(b)	Four
(c)	Five
(d)	Any number of

38.

Degree of bezier curve polynomial is :

(a)	One less than the number of control points
(b)	Two less than the number of control points
(c)	Three less than the number of control points
(d)	It does not depend on control point

39.

Which not true for bezier curves?

(a)	It always passes through the first control point
(b)	Bezier blending function is always negative
(c)	It always lies within the convex hull of the control points
(d)	Parametric second-order derivatives at the endpoints can be obtained from control point coordinates

40.

Sum of all Bezier blending function is always :

(a)	0
(b)	-1
(c)	1
(d)	Infinite

Showing 31 to 40 out of 50 Questions