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 Rotation dialog box
• SCREEN AXIS
Rotate an object in the display area according to a specific rotation angle. The screen axes are fixed at all times. They are defined as the following:
1. SCREEN X
Axis direction is from the left to right of the terminal screen.
2. SECEEN Y
Axis direction is from the bottom to the top of the terminal screen.
3. SECEEN Z
Axis direction is from the screen to the user.
• VIRTUAL AXIS
Rotate an object about global (or virtual) X, Y, and Z-axes according to an angle.
• The sliders enable the user to adjust rotation angles.
• Click on the APPLY button to complete the rotation. This function can be repeated as many times as desired.
• Click on the REVERSE button to reverse the rotation. This function can be repeated as many times as desired.