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Question:
(a) In computer graphics it is important to distinguish between the two approaches to graphical modeling:vector graphics and raster graphics. Explain in details the differences in these graphic models. (b) Why is the quality of an original bitmapped image distorted when reducing or increasing its size?
(c) A flower is shown using the vector-based tool Illustrator. Is it possible to apply special effects such as noise distortion or blurring on the vector image? If not, state why and describe what should be xone first before applying these effects.
(d) For each of the following kinds of image, which would be more suitable, bitmapped images or vector graphics?
(i) Circuit diagrams. (ii) Architectural drawings. (iii) Botanical drawings. (iv) Pie Charts. (v) Fingerprints. (vi) A map of the world. (vii) Brain scans. (viii) Illustrations for a children's alphabet book. (ix) A reproduction of the Mona Lisa. (x) A simple cartoon character, such as Mickey Mouse.
(e) Initially individual objects and groups of objects can be selected in bitmapped graphics. Why do bitmapped drawn programs implement layers? For example, Photoshop implements layers in version 3.
Polygon -Rendering Methods Now we will see the application of an illumination model to execute the rendering of standard graphics objects that are formed along with polygonal
Exceptional cases - Orthographic Projection 1) We have an Orthographic projection, if f=0, then cot (β) =0 that is β=90 0 . 2) β =cot-1 (1)=450 and this Oblique projec
Explain rubber-band interactive picture technique
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Low level techniques (motion specific) Techniques utilized to fully control the motion of any graphic object in any type of animation scene, these techniques are also considere
Curve Clipping and Character Clipping As you proceed further, you would see that the methods for curve clipping and character clipping have also been developed based on boundin
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Can you give some basic features of computer graphics? The methods of computer graphics are the manipulation and creation of graphics (artificial images) by computer.
Vector Graphics: These are images which may be entirely described by using mathematical definitions. The image below demonstrates the principle. To the left you notice the image i
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