Hi By default, the min/max intensities (for display) are taken from the seed mask. This has been changed now. In the next patch, probtrackx will output min/max intensities calculated from the fdt_paths. Cheers, Saad. On 19 May 2009, at 17:26, Rachel Hawe wrote: > Hello, > > I am confused about the min and max values for intensities when > viewing the > output of probtrack. When tracking from a small seed mask in the > internal > capsule, the default in FSLview is 0 to 4, but with other seed masks > (usually larger) I've seen the upper bound be in the hundreds or even > thousands. What is the meaning of this intensity range and why does > it > differ with the seed mask? > > Thanks in advance, > > Rachel > -- Saad Jbabdi Oxford University FMRIB Centre JR Hospital, Headington, OX3 9DU, UK +44 (0) 1865 222545 (fax 717) www.fmrib.ox.ac.uk/~saad