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Set Interface Options

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The User Interface > Customize the Drawing Environment > Set Interface Options > 

Set Options for 3D Modeling with Perspective Projection

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Concept

Quick Reference

You can set specific display options when working with 3D models using perspective projection.

Using the Options dialog box, you can specify the following options when your 3D model is set to use a perspective view:

• Ground Plane (Options dialog box, Display tab, Colors). When perspective projection is turned on, the XY plane of the UCS displays as a ground plane with a gradient color. The ground plane displays a gradient from the ground horizon to the ground origin.
• Sky (Options dialog box, Display tab, Colors). The area not covered by the ground plane is the sky, which displays a gradient color from the sky horizon to the sky zenith.
• Underground (Options dialog box, Display tab, Colors). If the ground plane is viewed from below ground, the ground plane displays a gradient from the earth horizon to the earth azimuth.
• Ground Plane Grid (Options dialog box, Display tab, Colors). When perspective projection is turned on, the grid displays as a ground plane grid. Colors are set for major grid lines, minor grid lines, and axis lines.