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#BLA for slope greater and equal to 1
Linearly interpolate - Modeling and Rendering I 4 = I 1 + t (I 2 - I 1 ); here t = (|y 1 - y 2 |)/(|y 1 - y 2 |) I D = I A + t (I B - I A ); here t = (|AD|)/(|AB|)
Variation of Intensity - Modeling and Rendering According to the phong model the variation of Intensity (I) along with α (since I α cos n α) is: i) for shiny surface (
Example1: Translate a square ABCD along with the coordinates as: A(0,0),B(5,0),C(5,5),D(0,5) via 2 units in x-direction and 3 units in y-direction. Solution: We can show the
Define Aspect ratio- Aspect ratio: The ratio of vertical points to horizontal points necessary to produce equal –length lines in both directions on the screen, is called as
Algorithms for filled-area primitives These algorithms are classified into two categories (i) Scan line algorithms (ii) Seed fill algorithms.
Various ways of simulating motion:- - Zero Acceleration (Constant Speed) - Non-Zero Accelerations - Positive accelerations
Specular Reflection - Polygon Rendering & Ray Tracing Methods Specular reflection is while the reflection is stronger in one viewing direction that is a bright spot, termed
Phong Model or Phong Specular Reflection Model It is an empirical model that is not based on physics, although physical observation. Phong observed here for extremely shiny su
Question 1: (a) Briefly describe how Parenting could be used in Adobe After effects CS3. (b) Explain the term Vanishing Point and specify when it can be used. Propose how
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