METHOD AND APPARATUS FOR VISUALIZING A LIMITED PART OF A 3D MEDICAL IMAGE-POINT-RELATED DATA SET, THROUGH BASING A RENDERED IMAGE ON AN INTERMEDIATE REGION BETWEEN FIRST AND SECOND CLIPPING PLANES, AND INCLUDING SPECTROSCOPIC VIEWING OF SUCH REGION

For visualizing a limited part of a 3D medical image-point-related data set, Selectively, a geometrically selected part of the data set is suppressed and an image rendered based on any non-suppressed part of the data set. The selected geometrically selected part includes a first selection containing all points associated to a nearer region with respect to a first clipping plane, and all points associated to a farther region with respect to a second clipping plane, respectively. The image rendered thereby is based on an intermediate region between the first clipping plane and the second clipping plane.