5 Questions
What is the purpose of a clipping window in computer graphics?
To select a section of the scene for display
Which term is sometimes used interchangeably with the clipping window?
World window
What shape are clipping windows and viewports typically in standard position?
Rectangles
What does the viewport indicate in computer graphics?
Where the selected section is to be viewed on the output device
Why are other window or viewport geometries, such as general polygon shapes and circles, used less frequently?
They take longer to process
Study Notes
Clipping Window
- A clipping window is a rectangular region in computer graphics that defines the area of interest for 2D and 3D transformations.
Viewport
- The term "viewport" is sometimes used interchangeably with the clipping window.
- A viewport typically indicates the region on the screen where the final image will be displayed.
Shape of Clipping Windows and Viewports
- Clipping windows and viewports are typically rectangular in shape when in standard position.
Alternative Window or Viewport Geometries
- Although clipping windows and viewports are usually rectangular, other geometries like general polygon shapes and circles can be used.
- These alternative geometries are less frequently used due to the complexity they introduce in the graphics pipeline.
Test your knowledge of 2D coordinate system, window and viewport, and the 2D viewing pipeline in computer graphics. Explore the concept of the clipping window and the techniques for two-dimensional viewing.
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