Trivial rejection case of cohen sutherland line clippings, Computer Graphics

Assignment Help:

Trivial Rejection Case of cohen sutherland line clippings

Case: it  is Trivial Rejection Case; if the logical intersection (AND) of the bit codes of the end points P, Q of the line segment is ≠ 0000 then line segment is not observable or is rejected.

Notice that, in figure of various cases of Cohen Sutherland Line Clippings, line 2 is totally on the top of the window but line 3 is neither on top nor at the in bottom plus, either on the left hand side nor on the right hand side of the window. We utilize the standard formula of logical ANDing to test the non visibility of the line segment.

675_Trivial Rejection Case of cohen sutherland line clippings.png

Figure: Cohen Sutherland line clipping

 Consequently, to test the visibility of line 2 and 3 we require calculating the logical intersection of end points for line 2 and lining 3.

Line l2: bit code of end points are 1010 and 1000 logical intersection of end points = (1010) ^ (1000) = 1000 like logical intersection ≠ 0000. Hence line 2 will be invisible.

Line l3: end points have bit codes 0010 and 0101 here logical intersection = 0000, that is, 0010 ^ 0101 = 0000 from the Figure of various cases of Cohen Sutherland Line Clippings, the line is invisible. Likewise in line 4 one end point is on top and another on the bottom therefore, logical intersection is 0000 although then it is partially visible, similar is true along with line 5. Such are exact cases and we will illustrate them in case 3.


Related Discussions:- Trivial rejection case of cohen sutherland line clippings

Animation, name some of the standard motion in key frames

name some of the standard motion in key frames

Acquire the perspective transformation, Acquire the perspective transformat...

Acquire the perspective transformation onto z = - 2 Plane, where (0, 0, 18) is the center of projection. Solution: Now centre of projection, C (a, b, c) = (0, 0, 18) ∴ (n 1

Write a c code for generating concentric circles, Write a C code for genera...

Write a C code for generating concentric circles.  Put the circle function circleMidpoint()in a for loop  as follows: for( int radius = MinRadius; radius circleMidpoint(i

Odd-even rule and non-zero winding number rule, What is the difference betw...

What is the difference between odd-even rule and non-zero winding number rule to identify interior regions of an object? Develop an algorithm for a recursive method for filling a 4

Advertising-applications for computer animation, Advertising: One of the m...

Advertising: One of the most well known uses for computer animation is in television advertising. Many of the models which the commercials would call for would be extremely compli

Numerical analysis packages-image processing, Numerical Analysis Packages: ...

Numerical Analysis Packages: generally utilized software is: MatLab. Characteristics: Focus generally on numeric processing. Programming with mathematical skills usuall

Properties of bezier curves - modeling and rendering, Properties of Bezier ...

Properties of Bezier Curves - modeling and rendering A very helpful property of a Bezier curve is that it always passes via the first and last control points. Such the bounda

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