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Orbit button Rotates the preview image within the Preview window as you
drag the image with the mouse.
Preview window Displays a wireframe example of the Tessellation Divisions
settings.
You can change the visual style of the preview by using the shortcut menu to
select such options as Hidden, Wireframe, Conceptual, Realistic, Shades of
Gray, Sketchy, X-ray, Shaded with Edges, and Shaded.
Preview’s Smoothness Level
Changes the preview image to reflect a specific level of smoothness you specify.
Changing this value does not affect the default level of smoothness for new
primitive meshes.
Preview Shortcut Menu Displays the following options on a shortcut menu
when you right-click the preview image:
■ Zoom Extents. Sets the preview display so that the image fits entirely within
the Preview window.
■ Pan. Moves the image horizontally and vertically within the Preview
window.
■ Zoom. Changes the magnification of the Preview image.
■ Visual Styles. Sets the preview display in the dialog box to reflect the
selected visual style.
Preview Update
Sets how often the preview image is updated.
Auto-update
Sets whether the preview image is automatically updated as you modify the
options.
If you clear this check box, you can update the preview by using the Update
button.
Update Updates the preview image to show any changes you have made. This
button is not available when Auto-update is selected.
1168 | Chapter 13 M Commands