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Tools Introduction


With Cornerstone3D core library where each image renders in physical space (even our stack viewports are rendered at the actual position and normal direction in space), rather than any arbitrary 2D plane, we built a Tools library to be able to create and manipulate tools in 3D space. In Cornerstone3DTools, annotations are now stored in 3D patient space in a particular DICOM Frame of Reference (FoR). In general, all images in a single DICOM study exist in the same FoR (e.g. both PET and CT in a PET/CT acquisition). Let's take a look at some concepts that we will use in this library.