Computer Graphics (3150712) MCQs

MCQs of 3D concepts and object representation

Showing 41 to 40 out of 50 Questions
2 3 4 5
41.
Bezier curve :
(a) Allows local control
(b) Does not allows local control
(c) Sometimes allows local control
(d) None of these
Answer:

Option (b)

42.
B-spline curve :
(a) Allows local control
(b) Does not allows local control
(c) Sometimes allows local control
(d) None of these
Answer:

Option (a)

43.
Degree of B-spline 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
Answer:

Option (d)

44.
In the B-spline curve, if we set d = 1 than what is true for that?
(a) The curve is of degree 1
(b) The curve is only point plot
(c) The curve is of degree 2
(d) None of these
Answer:

Option (b)

45.
Which is not a correct classification for knot vectors in the B-spline curve?
(a) Uniform
(b) Open uniform
(c) Non uniform
(d) Classic uniform
Answer:

Option (d)

46.
Which is not true for B-spline curves?
(a) It has degree d-1
(b) Each spline section is influenced by d control points
(c) One control point can affect at most n+d curve section
(d) For n+1 control point, we have n+1 blending function
Answer:

Option (c)

47.
Which knot vector classification will give a more flexible shape in the B-spline curve?
(a) Uniform
(b) Open uniform
(c) Non uniform
(d) Classic uniform
Answer:

Option (c)

48.
In the B-spline curve, which knot vector classification have different shapes (when plotting on a graph) for each blending function?
(a) Uniform
(b) Open uniform
(c) Non uniform
(d) Classic uniform
Answer:

Option (c)

49.
In the B-spline curve, which knot vector classification has the same shape (when plotting on the graph) for each blending function?
(a) Uniform
(b) Open uniform
(c) Non uniform
(d) Classic uniform
Answer:

Option (a)

50.
Which of these is a correct equation for finding parametric first-order derivatives at the first endpoint in bezier curves?
(a) p'(0)=-np0+np1
(b) p'(0)=-np1+np2
(c) p'(0)=-npn-1+npn
(d) p'(0)=-npn+npn+1
Answer:

Option (a)

Showing 41 to 40 out of 50 Questions
2 3 4 5