bca5042 smu bca fall 2016 (jan/feb 2017 exam) Vth sem assignment

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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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