What is Transformation in Computer Graphic?

4 years ago
Computer Graphics

Transformation is the process of introducing changes in the shape size and orientation of the object using scaling rotation reflection shearing & translation etc.

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Rajiv Shah
Rajiv Shah
Oct 20, 2021
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10. Give the 3‐D Transformation matrix for a) Translation b) Rotation c) scaling

11. Explian Sutherland‐hodgemam algorithm for clipping.

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13. Explain Liang‐Barsky line clipping algorithm.

14. Explain the Sutherland and cohen subdivision algorithm for line clipping.

15. What is point clipping and line clipping?

16. Write a short notes on a) Reflection b) shearing transformation.

17. Give the 2‐D Transformation matrix for a) Translation b) Rotation c) scaling

18. Describe in brief about the transformations Translations, Rotations, Scaling, reflections.

19. Explain the two polygon filling algorithm

20. Explain briefly the Ellipse drawing algorithm

21. Explain the algorithms for circle drawing.

22. Explain the algorithms for line drawing.

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31. Consider the square A (1, 0), B (0, 0), C (0, 1), D (1, 1). Rotate the square ABCD by 45 degree clockwise about A (1, 0).

32. Find the transformation matrix that transforms the square ABCD whose center is at (2, 2) is reduced to half of its size, with center still remaining at (2, 2). The coordinate of square ABCD are A (0, 0), B (0, 4), C (4, 4) and D (4, 0). Find the co-ordinate of new square.

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34. Translate the square ABCD whose co-ordinate are A(0,0), b(3,0), C(3,3), D(0,3) by 2 units in both direction and then scale it by 1.5 units in x direction and 0.5 units in y direction.

35. A triangle is defined by Find the transformed coordinates after the following transformation a. 90o rotation about origin. b. Reflection about line y = -x.

36. Derive the homogenous matrices to represent the following transformation

37. The process of drawing circle using Brute force method can be enhanced by taking greater advantage of the symmetry in a circle. Write the complete algorithm used to apply this enhancement.

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39. Digitize a line with end points (20, 10) and (30, 18) using DDA line drawing Algorithm.

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41. Write the algorithm of the line drawing algorithm using Digital Differential Analyzer (DDA).

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56. How much time is spent scanning across each row of pixels during screen refresh on a raster system with resolution of 1280 X 1024 and a refresh rate of 60 frames per second?

57. How Many k bytes does a frame buffer needs in a 600 x 400 pixel?

58. Consider a raster system with the resolution of 1024 x 768 pixels and the color palette calls for 65,536 colors. What is the minimum amount of video RAM that the computer must have to support the above-mentioned resolution and number of colors?

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60. Consider three different raster systems with resolutions of 640 x 480, 1280 x 1024, and 2560 x 2048.

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76. Give an example of memory mapping for 5 X 5 resolution color display device?

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78. What do you mean by scan conversion?

79. Define Graphics controller /Display controller/Display processor.

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81. Define bitmap.

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85. What do you mean by GUI?

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87. How can the computer graphics used in solving problems?

88. What can the programmer do in computer graphics?

89. What are the applications of computer graphics?

90. What do you mean by computer graphics?

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92. Describe the Implementation of Midpoint Circle Algorithm

93. Explain Ellipse generating Algorithm?

94. Explain the Midpoint Circle Algorithm?

95. Explain Bresenhams Line Drawing Algorithm?

96. Explain DDA (Digital Differential Analyzer) Scan Conversion Algorithm?

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99. What is scaling in computer graphic?

100. What is rotation in computer graphic?

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