Cohen sutherland line clipping algorithm solved example ppt

The cohen sutherland lineclipping algorithm performs initial tests on a line to determine whether intersection calculations can. Line clipping set 1 cohensutherland algorithm given a set of lines and a rectangular area of interest, the task is to remove lines which are outside the area of interest and clip the lines which are partially inside the area. Given a set of lines and a rectangular area of interest, the task is to remove lines which are outside the area. Line clipping clipping lines by solving simultaneous equations. Cohen sutherland for line clipping given a line segment s from p 0x 0,y 0 to p 1x 1,y 1 to be clipped against a window w if codep 0 and codep 1 is not zero, then s is trivially rejected if codep 0 or codep 1 is zero, then s is trivially accepted 0101 0001 0100 0110 1001 0010 1010 0000. Pdf cohen sutherland line clipping algorithm example. Apply the cohen sutherland line clipping algorithm to clip the line segment with coordinates 30,60 and 60,25. Contribute to donkikecomputer graphics development by creating an account on github. An efficient line clipping algorithm based on cohen sutherland line clipping algorithm 70 clipping boundaries and consid er two segments. Numerical based on cohen sutherland line clipping algorithm.

The region code for point x, y is set according to the scheme. In line clipping, we will cut the portion of line which is outside of window and keep only the. Example of cohen sutherland line clipping algorithm. When drawing a 2d line on screen, it might happen that one or both of the endpoints are outside the screen while a part of the line should still be visible. Presentations ppt, key, pdf logging in or signing up.

Clipping cse 403 computer graphics cohen sutherland algorithm. The concept of line clipping is same as point clipping. Cohensutherland line clipping university of helsinki. Cohensutherland line clipping algorithm slideshare. Cohen and sutherland clipping algorithm authorstream. Cohen sutherland algorithm free download as powerpoint presentation. Cohen sutherland line clipping algorithm solved example. This algorithm is more efficient than cohen sutherland line clipping algorithm and can be extended to 3dimensional clipping. Explain cohen sutherland line clipping algorithm in detail ques10. The cohensutherland algorithm is a computergraphics algorithm used for line clipping. This algorithm uses the clipping window as shown in the following figure.

Handling similar situations if similar problems arrive then we have to clip those according to mentioned method. Umdcp the cohensutherland line clipping algorithm how to clip lines to fit in. The cohensutherland algorithm uses a divideandconquer strategy. Cohen sudherland line clipping problems with solved example. Cohen sutherland algorithm areas of computer science.

For example, if an endpoint had a code of 1001 while the other endpoint had a. In line clipping, we will cut the portion of line which is outside of window and keep only the portion that is inside the window. This algorithm is considered to be the faster parametric line clipping algorithm. Pdf an efficient line clipping algorithm based on cohen. The liangbarsky algorithm is a line clipping algorithm. If both endpoints of a line lie inside the window, the entire line lies inside the window.

Cs 430536 computer graphics i line clipping 2d transformations week 2. To clip a line, we need to consider only its endpoints. Download ppt clipping cse 403 computer graphics cohen sutherland algorithm line. The cohensutherland lineclipping algorithm performs initial tests on a line to determine whether intersection calculations can. Lets learn cohen sutherland line clipping algorithm with solved example. The cohen sutherland line clipping algorithm quickly detects and dispenses with two common and trivial cases. Line clipping set 1 cohensutherland algorithm geeksforgeeks. Let r be the rectangular window whose lower lefthand corner is at l 3, 1 and upper righthand corner is at r 2, 6. Each edge of the window defines an infinite line that divides the whole space into two.