### 7.2.2. Viewer Setup

1. Select Double Buffering to use two color buffers for improved visualization.

   Double Buffering is a feature supported by most OpenGL implementations. It provides two complete color buffers that swap between each other to animate graphics smoothly. If your implementation of OpenGL does not support double buffering, you can clear this check box.

2. Select or clear Unlimited Zoom.

   By default, zoom is restricted to prevent graphics problems related to depth sorting. Selecting Unlimited Zoom allows an unrestricted zoom.

#### 7.2.2.1. Mouse Mapping

The mouse-mapping options enable you to assign viewer actions to mouse clicks and keyboard/mouse combinations. These options are available when running in stand-alone mode. To adjust or view the mouse mapping options, select Edit > Options, then Common > Viewer Setup > Mouse Mapping. For details, see Mouse Button Mapping.

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