[Simnibs-discuss] Geodesic distance between stimulation sites

Oula Puonti oupu at dtu.dk
Fri Oct 23 08:20:21 CEST 2020

Hi Ben,

We don't have a function for calculating the geodesic distance, but I found this python package:


which takes in triangular surfaces and calculates the geodesic distance between two locations. For the calculation it relies on this package:


You can probably feed in the central gray matter surface to one of the packages above and get the distance out.



From: Simnibs-discuss <simnibs-discuss-bounces at drcmr.dk> on behalf of Deck,Benjamin <bld58 at drexel.edu>
Sent: Tuesday, October 20, 2020 4:31:06 PM
To: discuss at simnibs.org
Subject: [Simnibs-discuss] Geodesic distance between stimulation sites


I am attempting to calculate geodesic distance across the cortex between two TMS simulation locations. Is there a tool within the Simnibs package that is able to perform this operation?

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