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Assumption for Diffuse Reflection - Polygon Rendering
i) the diffuse reflections by the surface are scattered along with equal intensity in each direction, independent of viewing direction. These surfaces are termed as "ideal diffuse reflectors" or "Lambertion reflectors" Qradiant elevated energy from any point on the surface is directed via "LAMBERTS COSINE LAW" which is, in diffuse reflection ease the intensity of reflected light (I) is a cos θ and
(ii) Kd ⇔ Ka (usually).
Important point about the De casteljeau algorithm 1) Bezier Curve: P (u) = ................ (1) Here B n,i (u) = n c i u i (1 - u) n-i ..
An 8x8 image f[i,j] has gray levels given by the following equation: f [i , j]= ? i-j ? ; i,j=0,1,2,3,4,5,6,7. a. Calculate the gray level value for all the pixels in the 8x8
What is bitmap and what is pixmap? The frame buffer used in the black and white system is called as bitmap which take one bit per pixel. For systems with many bits per pixel,
find out points to the given control points
QUESTION a) Differentiate between raster and vector images. b) Explain the concept of bit depth. What is the minimum number if bits required for a one-colour digital image t
What is cubic spline? Cubic splines are a straight forward extension of the methods underlying parabolic spline. The total curve in this case is a sequence of arcs of cubic ra
Important Points About the Diffuse Reflection An extremely rough surface appears uniformly bright from each viewing direction Q the intensity of reflected light is identical i
Introduction of 2-D and 3-D Transformations In this, the subsequent things have been discussed in detail as given below: Different geometric transformations as transla
Question 1: (a) How can you select and manipulate individual objects in a group? (b) How do you resize an object? Explain how you determine the point from which the object r
What are the uses of homogeneous coordinates? Convert translation rotation and scaling in homogeneous coordinates. In mathematics homogeneous coordinates introduced by August
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