Camera - polygon rendering and ray tracing methods, Computer Graphics

Assignment Help:

Camera - polygon rendering and ray tracing methods

Camera presents "viewpoint" or "eye" of observer. In order to explain the fundamental working of camera we can consider this as the working of "pin-hole camera" as demonstrated in the below figure:

1001_Camera - polygon rendering and ray tracing methods 1.png

 Figure

The hole or say "aperture" should be so small that it should prevent light from saturating and hence overexposing the film. It permits only a little bit of light in the box at one time. Such kind of camera, although simple, is quite effectual. It works since light from a specified position on the object may come from only one way and strike only one position upon the film. If the hole were any superior, the image would turn into blurrier as a outcome of the increased amount of light hitting every spot on the film.

1023_Camera - polygon rendering and ray tracing methods 2.png

Figure

In the ray tracing, the camera is much like same this, in that it decides where on the "film" or say in the case of ray tracing, the computer screen the light rays hit such a clear realistic rendered image is accessible. So as to have a better understanding of the topic here we are going to discuss the concept of ray casting.


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

Parameterized systems - computer animation, Parameterized Systems - Compute...

Parameterized Systems - Computer Animation Parameterized Systems is the systems which permit objects motion features to be given as part of the object descriptions. The adjus

Digital video, Digital Video: Digital video is a form of video record...

Digital Video: Digital video is a form of video recording system which works through using a digital, quite than analog, representation of the video signal. It generic means,

Gui and graphics, Newspapers exchange news by using news agencies (such as ...

Newspapers exchange news by using news agencies (such as Reuters and ITARTASS). A newspaper registers at a news agency and sends all its news to the agency. The news agency collect

What is orthographic oblique projection, What is orthographic oblique proje...

What is orthographic oblique projection?  When the direction of the projection is not normal (not perpendicular) to the view plane then the projection is called as oblique proj

Distinguish between bitblt and pixblt, Distinguish between bitBlt and pixBl...

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

Color Histograms - Scene Categories, How can I perform feature extraction o...

How can I perform feature extraction on images of different classes? How to obtain a vector of each class that contains its features?

Line generation algorithms - graphic primitives, Line Generation Algorithms...

Line Generation Algorithms - Graphic Primitives In previous section we have discussed the case of frame buffer, here information regarding the image to be projected upon the

Demerit - phong shading or normal vector interpolation shadi, Demerit - pho...

Demerit - phong shading or normal vector interpolation shading Needs lot of computations to determine intensity at a point, hence increases the cost of shading in any impleme

Determine the transformation matrix for cavalier projection, Determine the ...

Determine the transformation matrix for: a) Cavalier projection with θ=45 0 , and b) Cabinet projection with θ=30 0    c) Draw the projection of unit cube for all transfor

De casteljeau algorithm - bezier curves, De Casteljeau algorithm: The cont...

De Casteljeau algorithm: The control points P 0 , P 1 , P 2 and P 3 are combined with line segments termed as 'control polygon', even if they are not actually a polygon although

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