# Geodesic Distance **URL:** https://openep.discourse.group/t/geodesic-distance/179 **Category:** EP Workbench **Created:** [22 September 2026 16:02 UTC](https://openep.discourse.group/t/geodesic-distance/179 "2026-09-22T16:02:16Z") **Posts on this page:** 1 **Page:** 1
### Author: ![waqas.ullah](https://avatars.discourse-cdn.com/v4/letter/w/ed655f/32.png) [@waqas.ullah](https://openep.discourse.group/u/waqas.ullah) #### Post date: [22 September 2026 16:02 UTC](https://openep.discourse.group/t/geodesic-distance/179/1 "2026-09-22T16:02:16Z")
Hi Team 2 queries, easy one first: how do I measure the geodesic distance between 2 points using EP Workbench. On the MeshEditor I can use the geodesic cutter to show me a geodesic path between 2 points but it won’t tell me the path length Second, trickier one. I can import a study into Matlab using importcarto\_mem and the output gets saved as a .mat file. When I then try and load this into EP Workbench it fails to load and the error in the command window is: bench/settings.ini userdata/electric/ecgNames userdata/electric/electrodeNames\_bip userdata/electric/electrodeNames\_uni userdata/electric/names userdata/electric/tags userdata/notes Traceback (most recent call last): File “main.py”, line 865, in \_load\_openep\_mat File “openep\io\readers.py”, line 113, in load\_openep\_mat File “openep\io\readers.py”, line 91, in \_load\_mat IndexError: only integers, slices (`:`), ellipsis (`...`), numpy.newaxis (`None`) and integer or boolean arrays are valid indices