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PROGRAM-BCA (REVISED
FALL 2012)
SEMESTER-5
SUBJECT CODE & NAME-BCA5042–
Graphics and Multimedia Systems
CREDIT-4
BK ID-B1552
MAX. MARKS-60
Qus:1 What are the
advantages of interactive graphics?
Answer:
The advantages of interactive graphics:
·
Today, a high quality graphics display of personal
computer provide one of the most natural means of communication with a
computer.
·
It provides tools
Qus:2
What is 3D display devices? Briefly explain the types of 3D display devices.
Ans:
3D
display devices:
A
3D display is any display device capable of conveying a stereoscopic perception
of 3-D depth to the viewer. The
Qus:
3 Explain flood fill algorithm.
Ans:
Flood
fill algorithm:
Sometimes we want to fill in (or recolor) an area
that is not defined within single color boundary. We can paint such areas by
replacing a specified interior color instead of searching for a boundary color
value. This approaches called a
Q4. Explain different
types of coherence. Explain any three.
Answer.
Types of coherence:
1. Object Coherence
2. Face Coherence
3. Edge Coherence
4.
Qus5:
Write a note on:
·
Control points
·
Knot Vector
Ans:
Control
points:
The
control points determine the shape of the curve. Typically, each point of the
curve is computed by taking a weighted sum of a number of control points. The
weight of each point varies according to the governing
Q6. Explain the
following
(a) Full animation
(b) Limited animation
(c) Rotoscoping
Answer:
a) Full animation:
Full animation refers
to the process of producing high-quality traditionally animated films, which
regularly use detailed
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