Cause and Control of Optical Striation Effects

thumb_8028_61_466“Optical striation” describes a wide variety of graphical behaviors characterized by the visual form of elongated light and dark strands on any projection surface. In some cases, these effects are due to slight irregularities of the surface, but there are also situations in which emergent linear patterns are generated from other sources, including the video camera, projector, and the way in which data is digitally packaged and transmitted between them. Control of striation requires an understanding of the conditions that are most optimal for the effects to occur, and the element of improvisation cannot be underemphasized, because the act of harnessing optical reactions often requires split-second decision making ability both behind and in front of the reaction systems while a graphical sequence unfolds.

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