Opacity

Opacity[a]
is a graphics directive which specifies that graphical objects which follow are to be displayed, if possible, with opacity a.

Opacity[a, color]
uses the specified color with opacity a.

DetailsDetails

  • Opacity runs from 0 to 1, with 0 representing perfect transparency.
  • If an opacity a object with color is placed in front of an object with color , the resulting color will be the blend .
  • If red and blue with opacity 0.5 are combined, the result is purple—not black, as it would be with physical monochromatic filters. »
  • Opacity works in both 2D and 3D graphics.
  • It may take significantly longer to render 3D graphics that involve transparent surfaces.
  • Graphics that involve transparency may need to be printed as high-resolution bitmaps.
  • On many computer systems, objects with opacity a will appear completely transparent if a is too small. »
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