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![]() | Wyman, Chris; Hansen, Charles D. | Penumbra maps | Generating soft shadows quickly is difficult. Few techniques have enough flexibility to interactively render soft shadows in scenes with arbitrarily complex occluders and receivers. This paper introduces the penumbra map, which extends current shadow map techniques to interactively approximate so... | Penumbra maps; Soft shadows; Shadow maps | 2003-04-23 |