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shadow +‎ casting


shadowcasting (uncountable)

  1. The generation of shadows from a three-dimensional model.
    • 1979, Kevin Forseth, David Vaughan, Graphics for Architecture (page 191)
      A different shadowcasting arrangement results when light rays are oriented oblique to the picture plane. In this situation actual and bearing rays appear to vanish in perspective.
  2. (microscopy) A technique in which an incident ray at a small angle to the horizontal casts a shadow, thus making an object easier to see.