Ray tracing - polygon rendering and ray tracing methods, Computer Graphics

Assignment Help:

Ray Tracing - polygon rendering and ray tracing methods

"Ray tracing" is a technique of following the light by the eye to the light source. While ray casting only relates itself along with getting the visible surfaces of objects, ray tracing takes that some steps further and in fact tries to determine what each visible surface looks like. Though it will cost your processor time spend in computations you can identify the level of computations involved in ray tracing as in this instance,

Let's assume that we are rendering i.e. ray tracing as a scene at a resolution of 320 pixels wide through 240 pixels high, for a total of 76,800 pixels. Suppose that it be of low complexity, along with merely 20 objects. It means, over the course of creating such picture, the ray tracer will have finish 20 intersection tests for all of those 76,800 pixels, for a total of 1,536,000 intersection tests! Actually, most ray tracers spend most of their time computing these intersections of rays along with objects; wherever from 75 to 95 percent of a ray tracer's time is spent along with these calculations. Separately from these types of hectic calculations, there is the good news, there are methods to reduce the number of intersection tests per ray, and also raise the speed of each intersection test. As well to this the bad news which is, ray tracing complicates things much more than easily ray casting does.

Ray tracing permits you to create numerous kinds of consequences i.e. very complicated or even impossible to perform with the other methods. Such effects comprise three items general to every ray tracer as: transparency, shadows, and reflection. In the subsequent paragraphs, we will discuss how such effects fit naturally in Ray tracing.


Related Discussions:- Ray tracing - polygon rendering and ray tracing methods

Flash - software to generate computer animations, Flash - software to gener...

Flash - software to generate computer animations Flash: Learning Macro-Media's Flash can quite complicated, although you can do almost anything along with it. You can devel

Region filling, what is region filling? give details

what is region filling? give details

Phong specular reflection model or specular reflection, Phong Specular Refl...

Phong Specular Reflection Model or Specular Reflection This model of local illumination is frequently termed as the Phong specular reflection model. Here we discuss the matter

Advantages of scan line algorithm, Advantages of Scan line Algorithm:  ...

Advantages of Scan line Algorithm:   This time and always we are working along with one-dimensional array as: x[0...x_max] for color not a 2D-array like in Z-buffer algorithm.

What colour depths are basically used, Q. What Colour depths are basically ...

Q. What Colour depths are basically used? Basically the number of colours are an exponential power of 2 as for Colour Depth n, colours can be showed. The most popular colour mo

De casteljau algorithm - 2d clipping algorithms, De Casteljau Algorithm ...

De Casteljau Algorithm For computation of Bézier curves an iterative algorithm known as de Casteljau algorithm is used.  The algorithm uses repeated linear interpolation.

Plane equation - spatial orientation of the surface element, Plane equation...

Plane equation - spatial orientation of the Surface Element For some of Plane equation procedures, we have information regarding the spatial orientation of the individual surf

Midpoint circle algorithm for scan converting a circle, Explain Bresenham s...

Explain Bresenham s circle drawing algorithm,  OR   Explain midpoint circle algorithm for scan converting a circle. Midpoint Circle Algorithm   1. Input radius r and circle

What is the minimum amount of video ram, Consider a raster system with the ...

Consider a raster system with the resolution of 1024 x 768 pixels and the color palette calls for 65,536 colors. What is the minimum amount of video RAM that the computer must have

Subdivision of polygon - visible surface detection , Subdivision of polyg...

Subdivision of polygon Test to find out the visibility of a single surface are made through comparing surfaces that as polygons P along regarding a specified screen area A.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd