61. | To set line width attributes in a PHIGS package, ................... function is used |
Discuss |
Answer: (a).setLineWidthScaleFactor(lw)
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62. | The process of extracting a portion of a database or a picture inside or outside a specified region are called |
Discuss |
Answer: (c).Clipping
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63. | The rectangle portion of the interface window that defines where the image will actually appear are called |
Discuss |
Answer: (a).View port
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65. | Coordinates of viewport are known as ............ |
Discuss |
Answer: (c).Screen coordinates
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66. | The region against which an object is clipped is called a .............. |
Discuss |
Answer: (a).Clip window
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67. | ............. identifies the picture portions that are exterior to the clip window |
Discuss |
Answer: (b).Exterior clipping
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68. | Identify line clipping algorithms from the following |
Discuss |
Answer: (d).All of the above
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69. | The region code of a point within the window is ............ |
Discuss |
Answer: (a).0000
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70. | According to Cohen-Sutherland algorithm, a line is completely outside the window if ............ |
Discuss |
Answer: (a).The region codes of line endpoints have a '1' in same bit position.
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