Computational Geometry : Space Curves Bezier curves link2

Space Curves Beizer curvesLink-2

Space Curves Beizer curves MCQ &amp Answers

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Q.1. Free hand curve defined by control points entirely enclosed in defining polygon without any spline is called ------.

A. polygon
B. Be’zier Curve
C. defining polygon
D. control point

Q.2. Space curves has --------points.

A. Infinite points
B. Finite point
C. control points
D. non initial

Q.3. Continuous curves that are formed with pieces of polynomial function curves are called as -----------.

A. Be’zier Curve
B. convex Hull
C. spline curves
D. defining polygon

Q.4. A convex polygon boundary that encloses a set of control points is called a -------.

A. convex Hull
B. approximate
C. Interpolate
D. spline

Q.5. Bernstein basis functions are ----------.

A. uncountable                                                      B. complex
C. imaginary performance                                                       D. real

Q.6. Be’zier Curve is invariant under -------- transformation.

A. affine
B. combined
C. multiple
D. concatenated

Q.7. If 𝐵0[ 1 1 ], 𝐵1[ 2 3 ], 𝐵2[ 4 3 ] and 𝐵3[ 3 1 ] are the vertices of the Be’zier Curve then P(0.5) = ------.

A. [-2.75 , 2.5]
B. [ 2.75 2.5 ]
C. [2.75, -2.5]
D. [-2.75, -2.5]

Q.8. For Jn, i (t), I = 0, 1, 2.....n the value of Jn, i (t) is --------.

A. 0
B. n
C. 1
D. -1

Q.9. If 𝐵0[ 1 0 ], 𝐵1[ 2 3 ], 𝐵2[ 4 1 ] are the vertices of the Be’zier Curve then (0.6) = -------

A. [ 1.44, 1]
B. [ 2.56 1.80]
C. [ 2.15 1.60]
D. [ -2.15 -1.60]

Q.10. The curve passeing through first and last control points. This ------.

A. Be’zier Curve
B. polynomail
C. polygon
D. defining polygon