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Ray Tracing: Ray t racing is the technique to determine which objects in the scene are visible. In this to identify the visible surface for each pixel we continue to bounce the ray around the scene and collecting intensity contributions. This provides a simple and powerful rendering technique for obtaining global reflection and transmission effects. The basic ray tracing algorithm also provides for visible surface detection shadow effects transparency and multiple light source illumination. For each scan line the intensity at the interaction of the scan line with a polygon edge is linearly interpolated from the intensities at the edge end points. For example the polygon edge with end point vertices at position 1 & 2 is intersected by the scan line at point 4. A fast method for obtaining the intensity at point 4 is to interpolate lower intensities I1 & I2 using only the vertical displacement of the scan line.
Specified p 0 (1, 1): p 1 (2, 3); p 2 (4, 3); p 3 (3, 1) as vertices of Bezier curve find out 3 points on Bezier curve? Solution : We consider Cubic Bezier curve as: P (
Ray Tracing - Polygon Rendering & Ray Tracing Methods Ray tracing obeys all rays from the eye of the viewer back to the light sources. The method Ray tracing is very good at
Distinguish between bitBlt and pixBlt? Raster functions that manipulate rectangular pixel arrays are usually referred to as raster ops. Moving a block of pixels from one locat
what is staircase appearance
What is run length encoding? Run length encoding is a compression method used to store the intensity values in the frame buffer, which keeps each scan line as a set of intege
Question 1: (a) Explain the term ‘Corporate Identity'. (b) Give four examples of what a Corporate Identity comprises of and briefly explain their uses. (c) You are an employe
Assume here are three polygon surfaces P,Q, R along with vertices specified by as: P: P1(1,1,1), P2(4,5,2), P3(5,2,5) And as Q: Q1(2,2,0.5), Q2(3,3,1.75), Q3(6,1,0.5) R: R1(0.5,
1. Do we have need of to generate the full circumference of the circle utilizing the algorithm or can we can produces it in a quadrant or octant only and after that utilization
To transform from the world coordinate system to viewing coordinate system you need to perform the following operations. a) Translate the viewing coordinate origin to the worl
Ambient Reflection-Polygon Rendering & Ray Tracing Methods When we go for the examiner of light effects, so surroundings play a significant role and it is assumed as there
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