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Reflection and Shear
There are a few important transformations which are not primitive in the sense that they can be expressed as compositions of translation, rotation and scaling. These transformations are used extensively in many application software using graphics. Two such transformations are reflection and shear. When you watch a cartoon animation movie for example, many a times you will find that shapes are deformed and a cartoon character is shaking like a pendulum standing at one place. This is basically an application of a continuous shear transformation to give you the appearance of a shaking body. Similarly you will find plenty of applications of reflection in many ad films, cartoon films and also in engineering design software.
Implement displacement mapping and bump mapping on a sphere. The displacement can be whatever your choice. The bump map can be whatever your choice as well.
For orthographic parallel projection: glOrtho(left, right, bottom, top, near, far); glOrtho2D(left, right, bottom, top); Here left, right define the x-direction ex
Question: (a) Describe in details the meaning of the following terms often available in drawing tools: (i) Welding objects; (ii) Trimming objects; (iii) Intersecting obje
2D Shape Primitives You have already learnt to plot a point or a pixel on any display device. In this unit, we shall introduce you to various devices available for data input o
Mathematical description of a Perspective Projection A perspective transformation is found by prescribing a center of projection and a viewing plane. Let here assume that P(x
Boundary Fill Algorithm Boundary fill algorithm is suitable when the boundary has single color while flood fill algorithm is more suitable for filling regions which are defined
how to cut
Q. What are Bezier cubic curves? Derive their properties. OR What are Bezier cubic curves? Derive these properties. Also show that the sum of the blending functions is identical
what is mean by virtual reality?
What is Aspect ratio? The ratio of vertical points to the horizontal points essential to produce length of lines in both directions of the screen is known as the Aspect ratio.
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