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Figure 1 : Our system was used to author artistic volumetric effects for the movie Tangled. Our technique's ability to produce curving light beams is used to match the organic artistic style of the film. Abstract We present a method for generating art-directable volumetric effects, ranging from physically-accurate to non-physical results. Our system mimics the way experienced artists think about volumetric effects by using an intuitive lighting primitive, and decoupling the modeling and shadingdoi:10.1145/2010324.1964924 fatcat:df6myimx3vgbfe3gx5xuvwthfm