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AbstractÐWe present a brute-force ray tracing system for interactive volume visualization. The system runs on a conventional (distributed) shared-memory multiprocessor machine. For each pixel we trace a ray through a volume to compute the color for that pixel. Although this method has high intrinsic computational cost, its simplicity and scalability make it ideal for large datasets on current high-end parallel systems. To gain efficiency several optimizations are used including a volumedoi:10.1145/1198555.1198754 dblp:conf/siggraph/ParkerPLSHS05 fatcat:asswnzhfxfdnzl4brmpbmx6qpi