12 Questions
What is the process of extracting a portion of a database or identifying elements of a scene within a specified region called?
Clipping
In the context of clipping, what does the visible portion refer to?
Selected portion
What is the term for a line entirely outside the window in clipping?
Invisible
How is the position of objects defined in the natural world coordinate system?
World coordinate system
What is the rectangular region in the world coordinate system used for showing some part of an object inside a specified window called?
Window
Define the term 'Viewport' in the context of computer graphics.
Section of the screen where images from the world coordinate system are drawn
What is the purpose of a coordinate transformation in computer graphics?
To display the image in the viewport using the screen coordinate system.
What is clipping in computer graphics?
The process of cutting off parts of the image of the world.
How is clipping used to determine which lines to display?
By examining each line to see if it's completely inside the window, outside, or crossing a boundary.
What are the applications of clipping in computer graphics?
Extracting desired parts, identifying visible areas in 3D objects, solid modeling, drawing operations, object pointing, and editing.
What happens to objects and points outside the window during the clipping process?
They are not displayed.
How does clipping help in drawing operations?
It ensures that only the visible parts of objects are drawn.
Discover more about the process of extracting elements within a specified region in computer graphics, including 2D and 3D scenarios. Learn about determining visible and invisible portions, and the importance of clipping in rendering techniques.
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