COMPUTER SCIENCE AND ENGINEERING
COMPUTER GRAPHICS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
zooming
|
|
copying
|
|
removing objects and lines
|
|
All of the above
|
Detailed explanation-1: -Answer: b Explanation: The primary use of clipping in computer graphics is to remove objects, lines, or line segments that are outside the viewing pane.
Detailed explanation-2: -Answer: d Explanation: Clipping is a technique for removing objects, lines, and line segments that are outside of the viewing pane.
Detailed explanation-3: -So, clipping is a procedure that identifies those portions of a picture that are either inside or outside of our viewing pane. In case of point clipping, we only show/print points on our window which are in range of our viewing pane, others points which are outside the range are discarded.
Detailed explanation-4: -To clip a polygon, we cannot directly apply a line-clipping method to the individual polygon edges because this approach would produce a series of unconnected line segments as shown in figure .
Detailed explanation-5: -Viewing-frustum culling is the process of removing from the rendering process those objects that lie completely outside the viewing frustum.