Chapter IV: THE DISPLAY

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Scaling and Panning

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The scale of a window's contents can be controlled in a number of ways. The Zoom In command of the Windows menu zooms in, magnifying the contents of the display. The Zoom Out command does the opposite-it shrinks the display. Both zoom by a factor of two.

The most useful scale change is the Fill Window command of the Windows menu, which makes the current facet fill the window. Yet another command is Focus on Highlighted, which makes the highlighted objects fill the display. A precise highlighted area can be defined by using the rectangle select button.

A final scaling command is Match Other Window which redraws the current window at the same scale as the other. If there are more than two windows, you will be asked to select the window to match.

Besides scaling, you can also pan the window contents, shifting it about on the display. The Left, Right, Up, and Down commands of the Windows menu all shift the window contents appropriately.

A less used panning command is Center Highlight which makes the highlighted objects shift so that they are in the center of the window.


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