GMS:Lighting Options

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• Lighting Options

The Lighting Options described below are for much earlier versions of GMS. GMS still has lighting options, but they are described on the Lighting Options page.

The Lighting Options are accessed by clicking on the Lighting Options item in the Display Options dialog. The following table describes the lighting display options.

Display Option	Description
Enable shading	This option controls whether a light source is used in the shading process for generating shaded images. This light source controls the intensity of the colors on the shaded image and highlights the relief or geometrical variation in the surface of the objects being shaded.
Ambient light	Ambient light is light that comes from all directions and not a particular source.
Diffuse light	Diffuse light is that which comes from a particular source and direction.
Smooth features	This option adjusts the normals on the triangles to make the surfaces look smooth.
Specular highlights	Specular light comes from a particular light source and is reflected in a particular direction causing a shiny hot spot.
Edit light source	The sphere shown on the tab is shaded according to the current setting for the lighting options. The light angle can be changed by clicking on the sphere with the cursor at the location where a direct ray from the light source to the center of the sphere would strike the sphere. The sphere shading is updated instantaneously to reflect the chosen light angle.

The Display Options dialog showing the Lighting tab.

See also

• Display Options
• XMS Lighting Options