NAME
     ShadeSpec - set shading of spectra

SYNOPSIS
     ShadeSpec ( none | flat | gouraud | phong |
	 dots | lines )

DESCRIPTION
     Set the shading method for spectra if they are
     displayed as surfaces.

	 none:    no shading
	 flat:    polygons shaded in uniform color
	 gouraud: color interpolated between vertices
	 phong:   normals interpolated, highest quality
	 dots:    draw surface using dots
	 lines:   draw surface using lines

     Not all graphics devices support all shading methods.

EXAMPLE
     ShadeSpec phong

SEE ALSO
     SelectSpec, StyleSpec, ColorSpec

DATE
     960913
