#### Pierce CAD on 3D Rotate

The Pierce CAD on 3D rotate check box allows you to determine the exact point about which PC-DMIS rotates when performing a 3D rotate by simply right-clicking in the Graphics Display window.

· If you select this check box and perform a 3D rotate by right-clicking in the Graphics Display window, PC-DMIS uses the point where you clicked as the point used about which to rotate.

· If you clear this check box and then right-click to 3D rotate, then PC-DMIS doesn't pierce the CAD.

Note: As always, however, if PC-DMIS detects a wire frame entity or surface edge close to the mouse cursor, then the point on the entity or edge closest to the mouse pointer will be used as the rotation point.

See "3D Rotate Mode" discussed in the "Editing the CAD Display" section for information on 3D rotating.