ROTATION

This function enables the user to rotate an object in the display area about the global (or virtual) X, Y, and Z-axes. The options are shown in Figure 12.2.1.

Figure 12.2.1 The Rotation dialog window.

SCREEN AXIS

Rotates an object in the display area according to an angle. The screen axes are fixed at all times and are defined as follows:

SCREEN X

Axis direction is from the left to right of the terminal screen.

SCREEN Y

Axis direction is from the bottom to the top of the terminal screen.

SCREEN Z

Axis direction is from the screen to the user.

VIRTUAL AXIS

Rotates an object about global (or virtual) X, Y, and Z-axes according to an angle.

The sliders enable the user to adjust rotation angles.

APPLY completes the rotation. This function can be repeated as many times as desired.

REVERSE reverses the rotation. This function can be repeated as many times as desired.