# Latest **URL:** https://openep.discourse.group/latest.md [Latest](https://openep.discourse.group/latest.md) · [Categories](https://openep.discourse.group/categories.md) · [Tags](https://openep.discourse.group/tags.md) --- ## [Welcome to Discourse](https://openep.discourse.group/t/welcome-to-discourse/7)
**Author:** [@system](https://openep.discourse.group/u/system)\ **Replies:** 0\ **Last updated:** [18 June 2021 11:35 UTC](https://openep.discourse.group/t/welcome-to-discourse/7 "2021-06-18T11:35:49Z")
OpenEP is a cross platform solution for performing quantitative analysis of electrophysiology data. Use this site for asking the community about OpenEP, what if it is for, how to use it, and what future developments you … --- ## [Geodesic Distance](https://openep.discourse.group/t/geodesic-distance/179)
**Author:** [@waqas.ullah](https://openep.discourse.group/u/waqas.ullah)\ **Replies:** 0\ **Last updated:** [22 September 2026 16:02 UTC](https://openep.discourse.group/t/geodesic-distance/179 "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 te… --- ## [How to Create Python Environment for your WIP - EP Workbench](https://openep.discourse.group/t/how-to-create-python-environment-for-your-wip-ep-workbench/178)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 1\ **Last updated:** [29 July 2026 10:48 UTC](https://openep.discourse.group/t/how-to-create-python-environment-for-your-wip-ep-workbench/178 "2026-07-29T10:48:41Z")
EP Workbench: How to Create Python Environment for your WIP Note: WIPs run python code in the background and therefore require setting up a Conda environment. WIPs (Work-in-Progress) are small plugins that can run co… --- ## [Importing a VTK Geometry from 3D Slicer (CT Scan) into EP Workbench and Co-registering with Electroanatomical Maps](https://openep.discourse.group/t/importing-a-vtk-geometry-from-3d-slicer-ct-scan-into-ep-workbench-and-co-registering-with-electroanatomical-maps/160)
**Author:** [@tomasz.jadczyk](https://openep.discourse.group/u/tomasz.jadczyk)\ **Replies:** 3\ **Last updated:** [23 July 2026 21:52 UTC](https://openep.discourse.group/t/importing-a-vtk-geometry-from-3d-slicer-ct-scan-into-ep-workbench-and-co-registering-with-electroanatomical-maps/160 "2026-07-23T21:52:59Z")
This post walks through a step-by-step workflow for importing anatomical geometry from a CT scan processed in 3D Slicer and co-registering it with an electroanatomical map in EP Workbench. This process is useful for comb… --- ## [Extracting coordinates of catheter snapshots (CARTO)](https://openep.discourse.group/t/extracting-coordinates-of-catheter-snapshots-carto/173)
**Author:** [@Jsalas424](https://openep.discourse.group/u/Jsalas424)\ **Replies:** 1\ **Last updated:** [4 June 2026 19:22 UTC](https://openep.discourse.group/t/extracting-coordinates-of-catheter-snapshots-carto/173 "2026-06-04T19:22:39Z")
Hi, Is there a way to extract the coordinates of electrodes captured in catheter snapshots from CARTO? I know that data is exposed in the timeline and CARTO keeps a memory of catheter positions across the entire case hi… --- ## [TypeError: MATLAB classes cannot be read. Please use OpenEP MATLAB to save the triRep data as a struct](https://openep.discourse.group/t/typeerror-matlab-classes-cannot-be-read-please-use-openep-matlab-to-save-the-trirep-data-as-a-struct/174)
**Author:** [@Liao](https://openep.discourse.group/u/Liao)\ **Replies:** 3\ **Last updated:** [4 June 2026 19:18 UTC](https://openep.discourse.group/t/typeerror-matlab-classes-cannot-be-read-please-use-openep-matlab-to-save-the-trirep-data-as-a-struct/174 "2026-06-04T19:18:16Z")
I followed the prompts to use importcartoumem() to convert carto data into a mat file, but the following prompt appeared when importing EP Workbench. It is worth noting that this also occurs when importing the example … --- ## [Voltage Map – New Branch](https://openep.discourse.group/t/voltage-map-new-branch/175)
**Author:** [@lmbo](https://openep.discourse.group/u/lmbo)\ **Replies:** 1\ **Last updated:** [4 June 2026 19:15 UTC](https://openep.discourse.group/t/voltage-map-new-branch/175 "2026-06-04T19:15:22Z")
I’m working with CARTO exports and calculating voltage maps using ‘drawMap’ using OpenEP, but the results I’m obtaining are not entirely consistent with what I would expect. With the newer versions of OpenEP, are there … --- ## [Matlab version too low](https://openep.discourse.group/t/matlab-version-too-low/164)
**Author:** [@Liao](https://openep.discourse.group/u/Liao)\ **Replies:** 3\ **Last updated:** [13 April 2026 07:02 UTC](https://openep.discourse.group/t/matlab-version-too-low/164 "2026-04-13T07:02:00Z")
I’m running OpenEP with MATLAB R2025a and caught an issue with the importcarto\_mem(). When importing the XML file from carto, it will prompt me that my Matlab version is too low. --- ## [📘 How-to: Custom fields and custom vectors (openep-py Python library)](https://openep.discourse.group/t/how-to-custom-fields-and-custom-vectors-openep-py-python-library/172)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 0\ **Last updated:** [2 February 2026 16:12 UTC](https://openep.discourse.group/t/how-to-custom-fields-and-custom-vectors-openep-py-python-library/172 "2026-02-02T16:12:49Z")
:blue\_book: How to add custom fields and custom vectors to OpenEP Case objects - Python This guide explains how to add custom scalar fields and custom vectors to OpenEP case objects using the OpenEP Python library. Cont… --- ## [Creating a Simple Pacing Simulation on EP Workbench](https://openep.discourse.group/t/creating-a-simple-pacing-simulation-on-ep-workbench/171)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 0\ **Last updated:** [30 January 2026 15:25 UTC](https://openep.discourse.group/t/creating-a-simple-pacing-simulation-on-ep-workbench/171 "2026-01-30T15:25:56Z")
Creating a Simple Pacing Simulation on EP Workbench This is a guide on how to run a simple pacing simulation on EP Workbench. (1) Load your OpenEP case. This can also be an OpenCARP or VTK file Select File \> Load fr… --- ## [EP Workbench Software Version](https://openep.discourse.group/t/ep-workbench-software-version/170)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 0\ **Last updated:** [15 January 2026 14:39 UTC](https://openep.discourse.group/t/ep-workbench-software-version/170 "2026-01-15T14:39:43Z")
How to find Software or Build Version of EP Workbench You can find the software version of EP Workbench Beta at two locations: (1) The top of the window (the title bar): (2) In the bottom right in the “Info” tab: … --- ## [Timestamps on electric and ablation structures](https://openep.discourse.group/t/timestamps-on-electric-and-ablation-structures/169)
**Author:** [@jocforero](https://openep.discourse.group/u/jocforero)\ **Replies:** 1\ **Last updated:** [26 December 2025 18:35 UTC](https://openep.discourse.group/t/timestamps-on-electric-and-ablation-structures/169 "2025-12-26T18:35:48Z")
Hi, First, I would like to thank for creating such an amazing and usful platform! I’m working with OpenEP for spatiotemporal analysis of EAM data and I’m trying to clarify how time is represented across the different d… --- ## [Open Electrophysiology Datasets](https://openep.discourse.group/t/open-electrophysiology-datasets/145)
**Author:** [@GiuseppeCianci](https://openep.discourse.group/u/GiuseppeCianci)\ **Replies:** 2\ **Last updated:** [19 November 2025 07:01 UTC](https://openep.discourse.group/t/open-electrophysiology-datasets/145 "2025-11-19T07:01:23Z")
Hey! I recently came across this project and wanted to ask if there are any open electrophysiology datasets one can work with? I wasn’t able to find any. I’m particularly interested in datasets which contain both voltag… --- ## [Using Open EP Workbench directly by adding the data from EAM Systems](https://openep.discourse.group/t/using-open-ep-workbench-directly-by-adding-the-data-from-eam-systems/168)
**Author:** [@ShivaEgh](https://openep.discourse.group/u/ShivaEgh)\ **Replies:** 1\ **Last updated:** [19 November 2025 06:59 UTC](https://openep.discourse.group/t/using-open-ep-workbench-directly-by-adding-the-data-from-eam-systems/168 "2025-11-19T06:59:34Z")
I intend to start using Open EP Software. How can I load the data from 3D EAM Systems directly to be able to analyze the data using EP Workbench software? In other words, what is the format of the files that I need to e… --- ## [Brief Instructions for Setup](https://openep.discourse.group/t/brief-instructions-for-setup/166)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 1\ **Last updated:** [9 October 2025 13:41 UTC](https://openep.discourse.group/t/brief-instructions-for-setup/166 "2025-10-09T13:41:43Z")
Brief Instructions for Setup Pre-requisites: EP Workbench Docker Desktop & OpenCARP Docker Image Miniconda/ Anaconda for Python Environment (1) Install EP Workbench Install EP Workbench, a data parsing, analysis and si… --- ## [Installing OpenCARP with Docker 🐳](https://openep.discourse.group/t/installing-opencarp-with-docker/165)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 0\ **Last updated:** [26 August 2025 19:57 UTC](https://openep.discourse.group/t/installing-opencarp-with-docker/165 "2025-08-26T19:57:03Z")
Installing OpenCARP with Docker :spouting\_whale: In this article we will go through how to install OpenCARP (a software for Cardiac Electrophysiology simulation) using Docker. Docker is a container that packages softwar… --- ## [Importing from Carto backend](https://openep.discourse.group/t/importing-from-carto-backend/159)
**Author:** [@amulyagupta](https://openep.discourse.group/u/amulyagupta)\ **Replies:** 2\ **Last updated:** [18 August 2025 20:52 UTC](https://openep.discourse.group/t/importing-from-carto-backend/159 "2025-08-18T20:52:33Z")
Hello, Thank you so much for this software and community. It is very helpful. We are trying to use Carto files stored in the backend server, however they seem to be encrypted/encoded. Are these compatible with OpenEP? --- ## [Starting EP Workbench from Terminal for Error Logs (MacOS)](https://openep.discourse.group/t/starting-ep-workbench-from-terminal-for-error-logs-macos/157)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 0\ **Last updated:** [1 July 2025 09:52 UTC](https://openep.discourse.group/t/starting-ep-workbench-from-terminal-for-error-logs-macos/157 "2025-07-01T09:52:08Z")
Logging/Raising Errors EP Workbench is still in BETA version and may have bugs and issues. When logging or raising an issue it is useful to show the error message during IT Help or bug raises. This example is for the b… --- ## [Importing EnSite data into OpenEP](https://openep.discourse.group/t/importing-ensite-data-into-openep/156)
**Author:** [@steven.williams](https://openep.discourse.group/u/steven.williams)\ **Replies:** 0\ **Last updated:** [25 June 2025 15:23 UTC](https://openep.discourse.group/t/importing-ensite-data-into-openep/156 "2025-06-25T15:23:39Z")
We have had a number of queries about how to best import Ensite data into OpenEP. The data export options from Ensite are quite extensive, and OpenEP already has parsers for each data file. However, what we didn’t have … --- ## [How to generate biatrial models in EP Workbench](https://openep.discourse.group/t/how-to-generate-biatrial-models-in-ep-workbench/150)
**Author:** [@nbodagh](https://openep.discourse.group/u/nbodagh)\ **Replies:** 0\ **Last updated:** [25 April 2025 09:37 UTC](https://openep.discourse.group/t/how-to-generate-biatrial-models-in-ep-workbench/150 "2025-04-25T09:37:40Z")
This tutorial will demonstrate how you can use EP Workbench to generate biatrial models with fibrosis from corresponding left and right atrial segmentations. The tutorial makes use of the Atrial Modelling Toolkit for Co… --- ## [Downloading EP Workbench Beta for Academic Use](https://openep.discourse.group/t/downloading-ep-workbench-beta-for-academic-use/149)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 0\ **Last updated:** [8 April 2025 14:47 UTC](https://openep.discourse.group/t/downloading-ep-workbench-beta-for-academic-use/149 "2025-04-08T14:47:53Z")
⬇️ Downloading EP Workbench Beta for Academic Use Please note we do NOT support older versions of Windows or Linux, nor Mac with Intel chips. MacOS (M-series only) – Beta Stable Version (Recommended) Download: EP… --- ## [📣 EP Workbench (Beta) is now live!](https://openep.discourse.group/t/ep-workbench-beta-is-now-live/120)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 0\ **Last updated:** [4 March 2024 14:08 UTC](https://openep.discourse.group/t/ep-workbench-beta-is-now-live/120 "2024-03-04T14:08:03Z")
📣 EP Workbench (Beta) is now live! We have now shipped our first packaged EP Workbench Beta Version, supported on Mac OS. Within the coming weeks we will be releasing a distributable for Mac (Intel), Windows (7+) and Li… --- ## [📊 How to use EP Workbench for Histogram Analysis of openep data?](https://openep.discourse.group/t/how-to-use-ep-workbench-for-histogram-analysis-of-openep-data/127)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 0\ **Last updated:** [18 October 2024 13:02 UTC](https://openep.discourse.group/t/how-to-use-ep-workbench-for-histogram-analysis-of-openep-data/127 "2024-10-18T13:02:06Z")
📊 How to use EP Workbench for Histogram Analysis of openep data? EP Workbench (a desktop application) brings electroanatomic mapping data (EAM) to your personal desktop! In this article we will look at the histogram an… --- ## [How to use EP Workbench to annotate electroanatomic maps](https://openep.discourse.group/t/how-to-use-ep-workbench-to-annotate-electroanatomic-maps/130)
**Author:** [@nbodagh](https://openep.discourse.group/u/nbodagh)\ **Replies:** 0\ **Last updated:** [23 October 2024 12:01 UTC](https://openep.discourse.group/t/how-to-use-ep-workbench-to-annotate-electroanatomic-maps/130 "2024-10-23T12:01:59Z")
EP Workbench – Electroanatomic map annotation This tutorial will show how EP Workbench can be used to edit and annotate electroanatomic maps. To begin, go to File\>\>Load\>\>OpenEP and load your OpenEP file which should… --- ## [Importvisitag .rfindex problem](https://openep.discourse.group/t/importvisitag-rfindex-problem/138)
**Author:** [@BorAntolic](https://openep.discourse.group/u/BorAntolic)\ **Replies:** 2\ **Last updated:** [7 January 2025 14:11 UTC](https://openep.discourse.group/t/importvisitag-rfindex-problem/138 "2025-01-07T14:11:37Z")
Hi! The function importvisitag does not create nor populate the userdata.rfindex … What could be the problem? Thanks! --- ## [Annotate maps in Matlab](https://openep.discourse.group/t/annotate-maps-in-matlab/139)
**Author:** [@BorAntolic](https://openep.discourse.group/u/BorAntolic)\ **Replies:** 1\ **Last updated:** [7 January 2025 14:10 UTC](https://openep.discourse.group/t/annotate-maps-in-matlab/139 "2025-01-07T14:10:25Z")
Is there a way to put tags on a map in Matlab? Onto a map exported from CARTO system into matlab? Thanks! --- ## [Carto3 V8 import problem](https://openep.discourse.group/t/carto3-v8-import-problem/129)
**Author:** [@dtwomey](https://openep.discourse.group/u/dtwomey)\ **Replies:** 8\ **Last updated:** [4 December 2024 13:31 UTC](https://openep.discourse.group/t/carto3-v8-import-problem/129 "2024-12-04T13:31:05Z")
Hi Steven, We’ve recently upgraded to Carto3 V8 and the files no longer import. The /newfilestructure branch worked well for the last update of version 7. It crashes when getting electrical data with the error: Index … --- ## [Blog: novel atrial substrate indicators based on deep anomaly detection](https://openep.discourse.group/t/blog-novel-atrial-substrate-indicators-based-on-deep-anomaly-detection/133)
**Author:** [@arnovonkietzell](https://openep.discourse.group/u/arnovonkietzell)\ **Replies:** 0\ **Last updated:** [29 October 2024 14:49 UTC](https://openep.discourse.group/t/blog-novel-atrial-substrate-indicators-based-on-deep-anomaly-detection/133 "2024-10-29T14:49:04Z")
:scroll: A new paper investigates deep anomaly detection algorithms to characterise arrhythmic substrate in atrial fibrillation patients :desktop\_computer: The authors used OpenEP to calculate established substrate indi… --- ## [How to generate or get the dataset used. "pig21\_endo\_coarse.pts"](https://openep.discourse.group/t/how-to-generate-or-get-the-dataset-used-pig21-endo-coarse-pts/125)
**Author:** [@Saqi](https://openep.discourse.group/u/Saqi)\ **Replies:** 1\ **Last updated:** [7 August 2024 14:16 UTC](https://openep.discourse.group/t/how-to-generate-or-get-the-dataset-used-pig21-endo-coarse-pts/125 "2024-08-07T14:16:58Z")
I check the git repo but I could not the datasets. How can I find or generate above mentioned dataset. --- ## [Openep-py: A Python Version of OpenEP](https://openep.discourse.group/t/openep-py-a-python-version-of-openep/123)
**Author:** [@vk\_vinush](https://openep.discourse.group/u/vk_vinush)\ **Replies:** 0\ **Last updated:** [15 May 2024 13:46 UTC](https://openep.discourse.group/t/openep-py-a-python-version-of-openep/123 "2024-05-15T13:46:53Z")
OpenEP is available in both MATLAB and Python (openep-py) - integrate our python library to streamline your EP analysis pipeline! [Next page](https://openep.discourse.group/latest.md?page=1)