Irregular shaped ROI and conversion to mask

[pieper (Steve Pieper (Isomics, Inc.))]

You should be able to use the Mask Volume effect for that:

New segment editor effects: Mask volume and Surface cut

See short demo video of the new “Mask volume” and “Surface cut” Segment editor effects here: These effects were developed by Kyle Macneil (Med-i Lab, Queen’s University; SPL, Brigham and Women’s Hospital), with help from @lassoan and @fedorov . Thank you for your contribution! Mask volume: Blanks out a segment or surrounding area in a volumetric image. Useful for quick removal of unwanted objects (such as CT table) or showing only a selected organ. It can also be used for creating a binary m…