COMPUTER GRAPHICS (Electronics and Computer Engineering)
2.a) b)
What is an inside test? Mention and explain various methods with a suitable example. Explain about display file and display interpreter.
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1.a) b)
Max. Marks: 80 Answer any FIVE questions All questions carry equal marks --Explain the features of Bresenham’s line drawing algorithm. Mention the applications of computer graphics.
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Time: 3 Hours
Give the homogeneous co-ordinate transformation matrices for the following transformations: a) Scale x direction four times as large and the y-direction un-changed. b) Clock-wise rotation about the origin, by 60 degrees.
4.
Write procedures for creating and closing segments.
5.
Explain the logic of the Sutherland-Hodgman algorithm with the help of a neat flowchart. Illustrate the working of your flowchart with the help of a suitable example.
6.
Give a brief account on three-dimensional rotations. Show the sequence of transformations for rotating an object about an axis that is parallel to the x axis
7.
Write about the following: (a) Gourand shading
Explain display processor system. Write about B-splines.
COMPUTER GRAPHICS (Electronics and Computer Engineering) Time: 3 Hours
Max. Marks: 80
2.a) b)
Write an algorithm for polygon generation. Explain about pattern filling.
3.a)
Derive the transformation matrix that rotates an object point ‘’ degrees about the origin. Represent the output in the matrix form. Find the new co-ordinates of the point p(2, -4), after rotating 30 degrees anticlock-wise, about the origin.
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b)
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1.a) b)
Answer any FIVE questions All questions carry equal marks --Illustrate the applications of computer graphics. What is the stair-care effect in line generation?
Find the normalization transformation N that uses the rectangle A (1,1), B (5,3), C (4,5) and D (0,3) as a window and the normalized device screen as a viewport.
5.
Explain the working of the Sutherland - Hodgeman algorithm for polygonal clipping with the help of suitable example.
6.
Prove that any two successive 3-D rotations about a given rotation axis is commutative. Write about the following: a) 3D clipping b) Shading algorithms
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4.
Write about pipeline and parallel front end architecture. Explain about Bezier curves.
COMPUTER GRAPHICS (Electronics and Computer Engineering)
1.a) b)
Max. Marks: 80 Answer any FIVE questions All questions carry equal marks --What are various methods of character generation? Explain them in detail. How is a point (x, y) mapped to its location on frame buffer?
2.
Write an algorithm for interpreting the display file.
3.
Describe the transformation that rotates an object point Q(x,y), degrees about an arbitrary point.
4.a) b)
Derive viewing transformation matrix. Write a procedure for delete-all-segments.
5.
Explain the Cohen-Sutherland algorithm for finding the category of a line segment. Show clearly how each category is handled by the algorithm.
6.
Explain briefly the transformation steps for obtaining a composite matrix for rotation about an arbitrary axis with the rotation axis projected on to the z-axis
8.
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Time: 3 Hours
Explain the following: a) Painter’s algorithm b) Warnock’s algorithm.
Explain various methods for generation of curves and surfaces.
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Set No: Code No: NR-311904 III-B.Tech. I-Semester Supplementary Examinations, May-2004
4
COMPUTER GRAPHICS (Electronics and Computer Engineering)
1.a) b) c)
Max. Marks: 80 Answer any FIVE questions All questions carry equal marks --What is the difference between simple DDA and Bresenham’s line generation algorithm? Explain how dotted lines can be drawn. What is the method of producing a thick line segment?
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Time: 3 Hours
Explain the role of display interpreter in graphical display, with a block diagram. What is meant by normalized device co-ordinate system? What are its advantage?
3.
Explain with suitable examples different 2-dimensional transformation techniques. Derive their respective matrix representations.
4.
Explain in detail various operations performed on segments.
5.
What is line segment clipping? Describe the various clipping categories into which the line segments are categorized. What is the significance of each category?
6.
Explain the method to derive the transformation matrix for rotating an object about any arbitrary axis that does not coincide with the coordinate axis X, Y and Z.
7.
Outline the z-buffer algorithm. List the advantages and disadvantages of the zbuffer algorithm.
8.
Describe Bezier surface generation technique with examples.
2.a) Explain the role of display interpreter in graphical display, with a block diagram. b) What is meant by normalized device co-ordinate system? What are its ...
COMPUTER GRAPHICS · (Mechatronics) ... Explain briefly about various display devices used in computer graphics. 2. a) Write an ... 2D graphics primitives.
Estimate residual enthalpy and residual entropy for an equimolar mixture of carbon · dioxide (1) â nitrogen (2) at 400K and 135 bar pressure by the Redlich-Kwongg .... P2, T2. If the separation is removed and the gases are mixed adiabatically.
2.a) Will capacitance of a transmission line depend upon the ground effect? If so explain. b) Explain the ... sag, if the factor of safety is 2 and ice weighs 910kg/m.
Engineering, Computer Science and Engineering, Electronics and Instrumentation · Engineering, Bio Medical Engineering, Computer Science and Information.
b) Explain the effect of oxygen on radio sensitivity of the tumor cell. 6. a) Describe the ... Explain the Modalities of radiation therapy. 6. Explain the radiation ...
Himalayan Orchards have canned apple and bottled juice as its product with profit ... following table gives the expected annual sales ( in thousands of Rs.) for ...
exonuclease activity, initiator protein, helicase, topoisomerase. 3. Write the differences between the eukaryotic and prokaryotic RNA polymerases · and their ...
d) In many factories, the smoke before it comes out from the chimney is led over · charged metallic plates. 7.a) What is meant by equivalent and molar ...
What do you understand by 'Marketing mix' and what components influence the · marketing process? 7.a) Write a short note on CPM. b) What is the difference ...
layer and transport layer. b) Map TCP/IP Protocol suite onto the layers of the OSI model. ... 3. a) What is the frame format of HDLC protocol. What are operational ...
and exposed to still air at 25°C. If the pipe wall temperature is 295°C, · determine the rate of heat loss. .... expression for the same. b) Air at 25°C flows normally to 0.03m outer diameter water pipe with a velocity .... 0.04 kg/s of 34°API cr
a) Recorder b) Instrumentation diagrams c) Refractometer d) McLeod gage. - - - ... Explain the construction and working of the McLeod gage and the Pirani gage.
EEG, EMG and ERG signals. 2.a) Draw the heart pump diagram. Explain how it pumps blood to all the body parts. b) Explain how Bioelectric potentials are ...
Science and Engineering, Chemical Engineering, Computer Science and Information · Technology .... kept in mind for drawing network? 8. The following ...
c) Give a brief note on prosthetic heart valves. 8. Describe the mechanical properties of bone with examples. Explain what do you · understand by Lubrication of ...
b) Derive the power angle equation of a single machine connected to infinite bus. .... 2. a) Derive the Power balance equations in a power system and there from ...
Obtain an expression for the steady state Equimolal counter diffusion of two gases ... 1. a) Write the fick's law of diffusion for 'Z' direction. What is the significance ...
Crack in the metal · (ii) · Wire fence. (iii) Rivetted joints. b) What is meant by phosphating of steel? 4.a) Distinguish between thermoplastics and thermosetting ...
c) What is etching? Explain with neat sketches. d) Draw a neat sketch of metallurgical microscope and explain various parts of it. 2.a) Draw neat sketches of 3 ...
Write an account of Hodgekin-Huxley equation and add a note on its biological · relevance. Explain the terms- Membrane time constant and space constant.
