Hi Ani

the dev version of freeview has some label morphology operations in the interface, including dilation. Try downloading the dev version and see if it solves your problem

cheers Bruce

p.s. I think mri_label2label can also do a dilation On Wed, 5 Sep 2018, Anik Dar wrote:

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Hi  I have created a .mgh file which is a bunch of vertices all with a value of 1. Please see pic.  Screen Shot 2018-09-05 at 7.06.04 PM.png

I want to create a bigger region of interest by dilating this yellow region lets say with a radius of 10 vertices around this region. How to do it ?

Thank you.

Ani