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:

 

1.        SCREEN X

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

 

2.        SCREEN Y

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

 

3.        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.