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BUILT-IN MATHEMATICA SYMBOL
GrayLevel
GrayLevel[level]
is a graphics directive that specifies the gray-level intensity with which objects that follow should be displayed.
GrayLevel[g, a]
specifies opacity a.
Details
- The gray level must be a number between
and 
. » 
represents black; 
represents white. - On display devices with no native gray-level capability, dither patterns are typically used.
- For 3D surfaces, explicit GrayLevel directives define surface colors; the final shading depends on lighting.
- In GrayLevel[g, a], a is an "alpha channel" used to specify opacity.
- GrayLevel[g, a] is equivalent to {GrayLevel[g], Opacity[a]}. »
- If no opacity has been specified, GrayLevel[g] is equivalent to GrayLevel[g, 1].
- Style[expr, GrayLevel[...]] specifies that expr should be displayed with the specified gray level. »
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