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perspective

Control perspective vs. orthographic projection.

Synopsis:

perspective [ on | off ] [ dscale= scale]

Arguments:

on

Turn on perspective projection, which aids in seeing depth.

off

Turn off perspective projection and use orthographic projection. This kind of projection lacks depth cues.

dscale

This allows the user to scale the amount of perspective by changing the distance from the eye to the viewplane. The default is 2.0.

Description:

The perspective command toggles between perspective and orthogonal projection, and allows the user to set the amount of perspective. Issuing the command with no options, or with just the dscale option, automatically turns on perspective.

Examples:

perspective on dscale=2.5

perspective off

perspective dscale=10.0

perspective on

See Also:


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