Page 99 - DCAP504_Computer Graphics

Computer Graphics

The figure 7.2 depicts an object defined in the interface and viewport coordinates.
Figure 7.2: An Object Defined in the Interface and Viewport
Coordinates

Source: http://www.cs.mtsu.edu/~jhankins/files/4250/notes/WinToView/WinToViewMap.html

Windows can also be termed as co-ordinates.

Figure 7.2 illustrates how to project a part of the image using viewport coordinates. Here, the part of the
image that is required to be projected on the screen window is selected out of the interface window.
Window-viewport Relationship
The window-viewport relationship can be explained with the help of a figure. Figure 7.3 depicts an
image viewed from a window and the same image viewed in a viewport.

Figure 7.3: An Object in Window and an Image in Viewport

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