Three-dimensional viewing, Computer Graphics

Assignment Help:

Three-Dimensional Viewing

Three dimensional objects are created using modelling coordinate system. The modelled objects are then placed in locations specified in the scene with respect to the world coordinate system. You can view the scene from any orientation and this is what you call as the view of the scene. Viewing coordinates are the coordinates generated with respect to the frame of reference of the viewer, or you may call it the frame of reference created by the position of camera. Viewing transformation is a composite transformation, which transforms the scene from world coordinate system to viewing coordinate system. To understand what viewing coordinate system and the viewing transformation are, let us consider a simple example. Suppose you have a vacant room and you want to organize its interior to make it an office. Chairs, tables, shelves, etc. are created somewhere else (in some factory) using some coordinate system. Let that be treated as a modelling coordinate system. Then these items will be brought in the room (Transform to locations in the room). Finally every object will be placed in appropriate position. This means the modelled objects are now placed in the world coordinate system. Now you view it from various angles and then become satisfied with the arrangements. When you are watching it from various angles, each time you change your position, the relative positions of the objects in the room also change. Objects closer to you become farther when you go on the other side of the room. This is viewing coordinate system and your eyes make an automatic transformation of objects from world coordinate system to viewing coordinate system.


Related Discussions:- Three-dimensional viewing

Pixel paint, PIXEL PAINT: The pixel paint file format permits a document t...

PIXEL PAINT: The pixel paint file format permits a document to be opened in the pixel paint and pixel paint professional graphics application. Such format permits you to identify

Structural links, Structural Links: The information contained inside the h...

Structural Links: The information contained inside the hypermedia application is classically organized in several suitable fashions. This organization is represented by using stru

Storing information structures in display memory, What is the major disadva...

What is the major disadvantages of storing information structures in display memory? A major disadvantage of storing information structures in display memory is that when color an

Transformation for 3-d shearing, Transformation for 3-D Shearing 2-dim...

Transformation for 3-D Shearing 2-dimensional xy-shearing transformation, as explained in equation, can also be simply extended to 3-dimensional case. All coordinates are tran

Isosurface, Given arbitrary 8 values at the vertices of a cube, please draw...

Given arbitrary 8 values at the vertices of a cube, please draw the curved iso-surfaces with shading. Also, please draw the saddle point. This can be done relatively easy with phys

Interactive computer animation, Interactive Computer Animation Interac...

Interactive Computer Animation Interactive Computer Animation that is interactively utilized by users for example: games. Sprite animation is interactive and utilized broadly

CRT, Explain working of CRT

Explain working of CRT

Interactive picture construction techniques, Explain the interactive pictur...

Explain the interactive picture construction techniques.    interactive picture- construction methods are commonly used in variety of applications, including design and painting pa

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