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An implementation of a true 3-dimensional display-system using vibrating mirror is described. This implemen-tation is characterized by using a standard raster graphics system, and supports user-interaction for independent manipulation of multiple objects that is near real-time. The high-speed performance of the object-manipulations, which include translation, rotation, scaling, intensity-windowin g, spatial-clipping, intensity-highlighting, and blinking, is achieved through five means: exploiting the power of the user-programmable graphics processor, fully utilizing the raster-device characteristics, coordinating con-current execution of the host and graphics computers, localizing the image changes effected by interaction, and by relying upon successive refinement of the initially coarse object-display during periods of reduced interaction. Recent enhancements include the capability to display more points (circa 120,000), the integration of the functions into one system allowing multiple simultaneous manipulations, and the support for independent object motion. The system is currently being used to display CT and NMR data for medical imaging and electron microscope tomo-graphs for molecular modeling.
Mills et al. (Wed,) studied this question.