verify works on windows, cleanup and test. 2D is good but 3D is wacky, n...

verify works on windows, cleanup and test. 2D is good but 3D is wacky, needs more effort. Testing with 2D needs to cease except for initialization. Do in slicer "download sample data", get the "BaselineVolume" of brain. 2D is not realistic for this more ~isotropic case.