BCA5042– Graphics and Multimedia

Dear students get fully solved assignments

Send your semester & Specialization name to our mail id :

“ help.mbaassignments@gmail.com ”

or

Call us at : 08263069601

[ FALL, 2015 ] ASSIGNMENT

PROGRAM	BCA (Revised Fall 2012)
SEMESTER	5
SUBJECT CODE & NAME	BCA5042– Graphics and Multimedia
CREDITS	4
BK ID	B1552
MARKS	60

Note: Answer all questions. Kindly note that answers for 10 marks questions should be approximately of 400 words. Each question is followed by evaluation scheme.

Question. 1. What is 3D display devices? Briefly explain the types of 3D displaydevices.

Answer:Nowadays it is hard to hide from three-dimensional (3D) display technology. 3D is is being pushed by display and film makers. Mainstream TV, PC monitor, smartphone and games console makers have been jumping on the 3D bandwagon with the home to make money with it. In order to see things in 3D each eye must see a slightly different picture. This is done in the real world by your eyes being spaced apart so each eye has its own

Question. 2. Briefly explain line drawing algorithm with an example.

Answer:A line drawing algorithm is a graphical algorithm for approximating a line segment on discrete graphical media. On discrete media, such as pixel-based displays and printers, line drawing requires such an approximation (in nontrivial cases). Basic algorithms rasterize lines in one color. A better representation with multiple color gradations requires an advanced process, anti-aliasing.

On continuous media, by contrast, no algorithm is necessary to draw a line. For example, oscilloscopes use natural phenomena to draw lines and curves.

Question. 3. Explain flood fill algorithm.

Answer:Flood fill, also called seed fill, is an algorithm that determines the area connected to a given node in a multi-dimensional array. It is used in the "bucket" fill tool of paint programs to fill connected, similarly-colored areas with a different color, and in games such as Go and Minesweeper for determining which pieces are cleared. When applied on an image to fill a particular bounded area with color, it is also known as boundary fill.

Question. 4.Write a note on:

a) Control points

Answer:A control point (CP, also control and checkpoint) is a marked waypoint used in orienteering and related sports such as rogaining and adventure racing. It is located in the competition area; marked both on an orienteering map and in the terrain; and described on a control description sheet. The control point must be identifiable on the map and on the ground. A control point has three components: a high visibility item, known as a flag or kite; an identifier, known as a control code; and a recording mechanism for contestants to record proof that they visited the control point. The control

b) Knot Vector

Answer:Once a set of parameters is obtained, we can generate a knot vector. Suppose we have n+1 parameters t0, t1, ..., tn and degree p. For a B-spline curve of degree p, we need m+1 knots, where m=n+p+1. If the curve is clamped, these knots are u0 = u1 = .... = up = 0, up+1, ..., um-p-1, um-p = um-p+1 = ... = um = 1. More precisely, the first p+1 and last p+1 knots are 0's and 1's, respectively. For the remaining n-p knots, they can be uniformly spaced or chosen properly to achieve some desired conditions.

Question. 5. What is multimedia? Explain briefly the uses of multimedia.

Answer:Multimedia refers to content that uses a combination of different content forms. This contrasts with media that use only rudimentary computer displays such as text-only or traditional forms of printed or hand-produced material. Multimedia includes a combination of text, audio, still images, animation, video, or interactive content forms.  Multimedia can be recorded and played, displayed, dynamic, interacted with or accessed by information content processing devices, such as computerized and electronic devices, but can also be part of a live performance. Multimedia devices are electronic media devices used to store and experience multimedia content. Multimedia is distinguished from mixed media in fine art; by including audio, for example, it has a broader scope. The term "rich media"

Question. 6. Explain the following

(a) Full animation

Answer:Full animation is animation that is high quality and traditionally animated, regularly using detailed drawings and plausible movement1. In technical terms, full animation is classified as animation which has key frames, or unique drawings, for at least every other frame of footage. Full animation refers to the process of producing high-quality traditionally animated films, which regularly use detailed drawings and plausible movement it's all about having every drawing of an animation be distinctly

(b) Limited animation

Answer:Limited animation is a process of making animated cartoons that does not redraw entire frames but variably reuses common parts between frames. One of its major characteristics is stylized design in all forms and shapes, which in the early days was referred to as modern design. The short-subject and feature-

(c) Rotoscoping

Answer:Rotoscoping is an animation technique in which animators trace over footage, frame by frame, for use in live-action and animated films. Originally, recorded live-action film images were projected onto a frosted glass panel and re-drawn by an animator. This projection equipment is called a rotoscope. Although this

Dear students get fully solved assignments

Send your semester & Specialization name to our mail id :

“ help.mbaassignments@gmail.com ”

or

Call us at : 08263069601