Exceptional cases - orthographic projection, Computer Graphics

Exceptional cases - Orthographic Projection

1)   We have an Orthographic projection, if f=0, then cot (β) =0 that is β=900.

2)   β =cot-1 (1)=450 and this Oblique projection is called Cavalier projection, if f=1, the edge perpendicular to projection plane are not foreshortened.

3)   β =cot-1 (1/2)=63.4350 and this Oblique projection is called Cabinet projection, if f=1/2 (the foreshortening is half of unit vector).

Note: The usual values of θ are 30° and 45°. The values of (180° - θ) are also suitable.

For foreshortening factor that is f=1, 7/8,3/4,5/8,1/2, an Oblique projections, along with θ=450 is shows in the following figure.

52_Exceptional cases - Orthographic Projection.png

Figure: Oblique projections for f=1,7/8,3/4,5/8,1/2, with θ=450 (from left to right)

Posted Date: 4/4/2013 2:29:48 AM | Location : United States







Related Discussions:- Exceptional cases - orthographic projection, Assignment Help, Ask Question on Exceptional cases - orthographic projection, Get Answer, Expert's Help, Exceptional cases - orthographic projection Discussions

Write discussion on Exceptional cases - orthographic projection
Your posts are moderated
Related Questions
Can you tell which main components (hardware and software) are needed for computer graphics? Besides the computer, some special devices and software may be needed especially fo

Picture Information - Raster Graphics and  Clipping Now, the picture information is accumulated in the form of bit plans on which all bit plane complete information of pictur

Traditional Animation techniques as: 1) Key Frames                        2) Cel Animation Formula: Required Key frames for a film = {[Time(in seconds)]

Liquid Crystal Display - Graphics Hardware It is a type of display utilized in digital watches and several portable computers. These work along with polarized ambient as outsi

What is meant by Addressability?  The Addressability is the number of individual dots per inch (d.p.i) that can be formed. If the address of the current dot is (x, y) then the

Bezier Surfaces - Modeling and Rendering Two sets of Bezier curve can be utilized to design an object surface by identifying by an input mesh of control points. The Bézier su

1. Identify the market segment for the product and write a basic PDS 2. Produce three concept sketch ideas - (remember the assignment is a CAD one not a concept creative design

I have an assignment to do & it''s due on Wednesday !

Digital & Interactive Media has been developed in 20th century: New media improve visual and verbal content. It doesn¹t replace earlier media. New media lets dynamic alteration of

Ray Casting -polygon rendering and ray tracing methods It is a method wherein the surfaces of objects visible to the camera are determined by throwing or say casting rays of