Ebert, DavidMcClanahan, TimRheingans, PennyYoo, TerryW. de Leeuw and R. van Liere2014-01-302014-01-30200032118351561727-5296https://doi.org/10.2312/VisSym/VisSym00/137-146Direct volume rendering from photographic volume data has the potential to create realistic images of internal volume structure, as well as the structure of boundaries within the volume. While possession of the photographic volume simplifies color calculations in voxel illumination, it complicates opacity calculation. This paper describes a framework for addressing illumination challenges in photographic volume data and presents initial results.