Get ROI Tac (RoiStats4D\F4) procedure: optimized performance so the speed is proportional to the size of the ROI.
Implemented UI-level function "Main Menu>ROI>Crop volume by ROI". This takes {3D,4D} ROI, find maximum bounding box for all voxels and crops the current document by this box in 4D creating a new document.
Kidney Ctx+Mdl segmentation from GRASP-4D exam. FVX registration is performed in this example.
