16 illustrates the volumetric rendering system 10 in accordance with an embodiment of this invention, where a volumetric rendering engine 12 receives input data from the output of a source 14 of multivalued datasets, such as a MRI system, and outputs processed data to at least one visual display 16, such as one or more high definition CRT or flat panel display screens (or stereo displays), or a stereoscopic display apparatus that is wearable by a user, or any suitable means for presenting a viewer with an image based on the processed multivalued data.