# Latest **URL:** https://g4see-forum.web.cern.ch/latest.md [Latest](https://g4see-forum.web.cern.ch/latest.md) · [Categories](https://g4see-forum.web.cern.ch/categories.md) · [Tags](https://g4see-forum.web.cern.ch/tags.md) --- ## [Welcome to G4SEE Discourse](https://g4see-forum.web.cern.ch/t/welcome-to-g4see-discourse/7)
**Author:** [@system](https://g4see-forum.web.cern.ch/u/system)\ **Replies:** 0\ **Last updated:** [25 August 2021 08:16 UTC](https://g4see-forum.web.cern.ch/t/welcome-to-g4see-discourse/7 "2021-08-25T08:16:20Z")
Welcome in the G4SEE User Community Forum! This forum is for all G4SEE users and developers, including potential new members of our community! Here you can start and participate in discussions about any topic related to… --- ## [Visualisation of Particle Paths](https://g4see-forum.web.cern.ch/t/visualisation-of-particle-paths/77)
**Author:** [@Niamh\_Arnold](https://g4see-forum.web.cern.ch/u/Niamh_Arnold)\ **Replies:** 1\ **Last updated:** [8 June 2026 22:23 UTC](https://g4see-forum.web.cern.ch/t/visualisation-of-particle-paths/77 "2026-06-08T22:23:26Z")
Hi all, I’m a G4SEE beginner, and I’ve never used Geant4. I cannot for the life of me get the particle visualisation commands to work, not even the examples. I don’t know if I’m uncommenting the wrong lines, if I don’t … --- ## [Blackbody object created outside of World](https://g4see-forum.web.cern.ch/t/blackbody-object-created-outside-of-world/76)
**Author:** [@lamee](https://g4see-forum.web.cern.ch/u/lamee)\ **Replies:** 1\ **Last updated:** [14 January 2026 19:50 UTC](https://g4see-forum.web.cern.ch/t/blackbody-object-created-outside-of-world/76 "2026-01-14T19:50:44Z")
Hi all, I’m a new geant4/G4SEE user, and I’m trying to run a simple example problem - a modified version of the SRAM problem, without the BEOL layers. The only geometry I define is: # BULK … --- ## [Biasing Carbon Ions](https://g4see-forum.web.cern.ch/t/biasing-carbon-ions/66)
**Author:** [@11794034550012613569](https://g4see-forum.web.cern.ch/u/11794034550012613569)\ **Replies:** 0\ **Last updated:** [4 February 2025 14:57 UTC](https://g4see-forum.web.cern.ch/t/biasing-carbon-ions/66 "2025-02-04T14:57:21Z")
Hello Everyone I hope you are all doing well. I want to bias Carbon ions, and my input is as follows, but I didn’t see any biasing for carbon ions, weight in detail scorer is 1. I ran the same kind of input for protons … --- ## [Running the GEANT4 examples in a Docker container](https://g4see-forum.web.cern.ch/t/running-the-geant4-examples-in-a-docker-container/60)
**Author:** [@maxgorbunov](https://g4see-forum.web.cern.ch/u/maxgorbunov)\ **Replies:** 0\ **Last updated:** [12 August 2024 14:44 UTC](https://g4see-forum.web.cern.ch/t/running-the-geant4-examples-in-a-docker-container/60 "2024-08-12T14:44:06Z")
Hello! I’d like to run the “microelectronics” from the shared Geant4 examples from the docker container. After cmake and make I have an executable file in the build directory, however, when I run it, it returns the erro… --- ## [How to merge Hits\_t\*.csv. files](https://g4see-forum.web.cern.ch/t/how-to-merge-hits-t-csv-files/58)
**Author:** [@huahua](https://g4see-forum.web.cern.ch/u/huahua)\ **Replies:** 0\ **Last updated:** [3 June 2024 04:43 UTC](https://g4see-forum.web.cern.ch/t/how-to-merge-hits-t-csv-files/58 "2024-06-03T04:43:38Z")
--- ## [When i try to compile the g4see-v0.5.1 version using the command of make, it reported an error](https://g4see-forum.web.cern.ch/t/when-i-try-to-compile-the-g4see-v0-5-1-version-using-the-command-of-make-it-reported-an-error/56)
**Author:** [@huahua](https://g4see-forum.web.cern.ch/u/huahua)\ **Replies:** 0\ **Last updated:** [30 November 2023 00:36 UTC](https://g4see-forum.web.cern.ch/t/when-i-try-to-compile-the-g4see-v0-5-1-version-using-the-command-of-make-it-reported-an-error/56 "2023-11-30T00:36:48Z")
Hello Everyone when i try to compile the g4see-v0.5.1 version using the command of make, mkdir build && cd build export G4LIB=\/lib64/Geant4-10.7.0/ cmake -DGeant4\_DIR=$G4LIB … make -j 20 I… --- ## [What is the impact of XS bias to SEE?](https://g4see-forum.web.cern.ch/t/what-is-the-impact-of-xs-bias-to-see/55)
**Author:** [@huahua](https://g4see-forum.web.cern.ch/u/huahua)\ **Replies:** 0\ **Last updated:** [21 November 2023 01:35 UTC](https://g4see-forum.web.cern.ch/t/what-is-the-impact-of-xs-bias-to-see/55 "2023-11-21T01:35:41Z")
What is the impact of XS bias to SEE ? --- ## [Plotting energy deposition caused by each nuclear reaction](https://g4see-forum.web.cern.ch/t/plotting-energy-deposition-caused-by-each-nuclear-reaction/53)
**Author:** [@carcosbo](https://g4see-forum.web.cern.ch/u/carcosbo)\ **Replies:** 0\ **Last updated:** [15 September 2023 19:06 UTC](https://g4see-forum.web.cern.ch/t/plotting-energy-deposition-caused-by-each-nuclear-reaction/53 "2023-09-15T19:06:19Z")
Good afternoon everybody! I’m trying to replicate the results shown in the “founding paper” (D. Lucsányi, R. G. Alía, K. Biłko, M. Cecchetto, S. Fiore and E. Pirovano, “G4SEE: A Geant4-Based Single Event Effect Simulati… --- ## [mergeHistograms problem](https://g4see-forum.web.cern.ch/t/mergehistograms-problem/51)
**Author:** [@bobobobo27](https://g4see-forum.web.cern.ch/u/bobobobo27)\ **Replies:** 0\ **Last updated:** [9 August 2023 07:19 UTC](https://g4see-forum.web.cern.ch/t/mergehistograms-problem/51 "2023-08-09T07:19:35Z")
I made two folders under my run folder like /g4see/run/SRAM and /g4see/run/SRAM1. Then I ran different cases under the two folders. Then I first used mergeHistograms under /g4see/run/SRAM1 through “mergeHistograms ./”. I… --- ## [Plotting multiple histograms](https://g4see-forum.web.cern.ch/t/plotting-multiple-histograms/36)
**Author:** [@11794034550012613569](https://g4see-forum.web.cern.ch/u/11794034550012613569)\ **Replies:** 2\ **Last updated:** [26 July 2023 20:39 UTC](https://g4see-forum.web.cern.ch/t/plotting-multiple-histograms/36 "2023-07-26T20:39:07Z")
Hi I’m trying to plot multiple histograms at once, using “g4see.py plot ~/g4see/myPro/” but I got the following error. katto@katto-pc:~/g4see/g4see-scripts/scripts$ python3 g4see.py plot ~/g4see/myPro/ Traceback (most… --- ## [Errors compiling mergeHistograms.cc](https://g4see-forum.web.cern.ch/t/errors-compiling-mergehistograms-cc/49)
**Author:** [@djulson](https://g4see-forum.web.cern.ch/u/djulson)\ **Replies:** 1\ **Last updated:** [20 July 2023 17:00 UTC](https://g4see-forum.web.cern.ch/t/errors-compiling-mergehistograms-cc/49 "2023-07-20T17:00:22Z")
Hi, I am currently compiling g4see using the following instructions: 2. How To Compile I am running on an M1 MacBookPro using Ventura 13.4.1, using ROOT Version: 6.28/04, cmake version 3.26.4, Python 3.11.4, and geant4… --- ## [User defined maxSteplength](https://g4see-forum.web.cern.ch/t/user-defined-maxsteplength/47)
**Author:** [@11794034550012613569](https://g4see-forum.web.cern.ch/u/11794034550012613569)\ **Replies:** 0\ **Last updated:** [17 May 2023 15:29 UTC](https://g4see-forum.web.cern.ch/t/user-defined-maxsteplength/47 "2023-05-17T15:29:12Z")
Hi How can we change MaxStepSize in G4SEE? Thank you regards Ameer --- ## [Identification part](https://g4see-forum.web.cern.ch/t/identification-part/46)
**Author:** [@10577911631066886629](https://g4see-forum.web.cern.ch/u/10577911631066886629)\ **Replies:** 0\ **Last updated:** [8 May 2023 23:58 UTC](https://g4see-forum.web.cern.ch/t/identification-part/46 "2023-05-08T23:58:03Z")
--- ## [Biasing Carbon Ion](https://g4see-forum.web.cern.ch/t/biasing-carbon-ion/44)
**Author:** [@11794034550012613569](https://g4see-forum.web.cern.ch/u/11794034550012613569)\ **Replies:** 0\ **Last updated:** [28 April 2023 02:57 UTC](https://g4see-forum.web.cern.ch/t/biasing-carbon-ion/44 "2023-04-28T02:57:51Z")
Hello Everyone I want to bias Carbon Ions only but when I use /SEE/biasing/biasParticle 6 12 0 0 I get a segmentation error. this issue was resolved by using ### Biasing /SEE/biasing/biasParticle … --- ## [Contributing to the Documentation](https://g4see-forum.web.cern.ch/t/contributing-to-the-documentation/43)
**Author:** [@gabriel\_dc](https://g4see-forum.web.cern.ch/u/gabriel_dc)\ **Replies:** 0\ **Last updated:** [16 December 2022 08:46 UTC](https://g4see-forum.web.cern.ch/t/contributing-to-the-documentation/43 "2022-12-16T08:46:53Z")
Hi ! I am working on a tutorial based on the SRAM example available on G4SEE. I was wondering, how can I provide it to you to make it available to the public ? https://g4see-docs.web.cern.ch/v0.5.1/contributing.html T… --- ## [Plotting several histograms together](https://g4see-forum.web.cern.ch/t/plotting-several-histograms-together/42)
**Author:** [@gabriel\_dc](https://g4see-forum.web.cern.ch/u/gabriel_dc)\ **Replies:** 0\ **Last updated:** [15 December 2022 13:02 UTC](https://g4see-forum.web.cern.ch/t/plotting-several-histograms-together/42 "2022-12-15T13:02:23Z")
Hi ! While trying to replicate the plot on 3.3.6. Plotting histograms, I was unable find the way to use all histograms in my folder. Luckily, I saw that the figure’s title includes “Ekin\*\*\*\*\*” The use of “\*” is not st… --- ## [V0.5.1 documentation](https://g4see-forum.web.cern.ch/t/v0-5-1-documentation/41)
**Author:** [@gabriel\_dc](https://g4see-forum.web.cern.ch/u/gabriel_dc)\ **Replies:** 0\ **Last updated:** [14 December 2022 09:42 UTC](https://g4see-forum.web.cern.ch/t/v0-5-1-documentation/41 "2022-12-14T09:42:09Z")
Hi ! This might be a silly comment, but during last week’s presentation I realized that the code examples given in the documentation are for v0.5 and not v0.5.1. My colleagues automatically copied-pasted the example (w… --- ## [GitLab login issues](https://g4see-forum.web.cern.ch/t/gitlab-login-issues/40)
**Author:** [@gabriel\_dc](https://g4see-forum.web.cern.ch/u/gabriel_dc)\ **Replies:** 0\ **Last updated:** [14 December 2022 09:33 UTC](https://g4see-forum.web.cern.ch/t/gitlab-login-issues/40 "2022-12-14T09:33:59Z")
Hi ! I have a CERN account with an external email (@gmail.com) which I used to sign-in to this forum. That account does not work to sign-in to G4SEE’s GitLab. From what I understand, it only works with Kerberos (which … --- ## [Scoring Elements rather than Isotopes](https://g4see-forum.web.cern.ch/t/scoring-elements-rather-than-isotopes/37)
**Author:** [@11794034550012613569](https://g4see-forum.web.cern.ch/u/11794034550012613569)\ **Replies:** 1\ **Last updated:** [21 November 2022 16:00 UTC](https://g4see-forum.web.cern.ch/t/scoring-elements-rather-than-isotopes/37 "2022-11-21T16:00:18Z")
Hello Everyone, Is it possible to score elements only like Al, Mg with Ekin rather than Al26, Al27, Mg23, and so on? I tried the following /SEE/scoring/addScoring 8 Ekin Al but I couldn’t score a… --- ## [How does biasNonPrimariesToo command work?](https://g4see-forum.web.cern.ch/t/how-does-biasnonprimariestoo-command-work/35)
**Author:** [@11794034550012613569](https://g4see-forum.web.cern.ch/u/11794034550012613569)\ **Replies:** 2\ **Last updated:** [1 November 2022 09:52 UTC](https://g4see-forum.web.cern.ch/t/how-does-biasnonprimariestoo-command-work/35 "2022-11-01T09:52:10Z")
Hello Everyone I’ve little confusion about “biasNonPrimariesToo”. suppose, my primary particle is a proton (p) and it produces electron (e), gamma (g), and secondary proton (sp) after an interaction. if I turn on biasNo… --- ## [Running G4SEE app](https://g4see-forum.web.cern.ch/t/running-g4see-app/34)
**Author:** [@11794034550012613569](https://g4see-forum.web.cern.ch/u/11794034550012613569)\ **Replies:** 2\ **Last updated:** [17 October 2022 16:29 UTC](https://g4see-forum.web.cern.ch/t/running-g4see-app/34 "2022-10-17T16:29:34Z")
Hello Everyone I’m done with the “How To Compile” section. Everything seems fine, I can see all Executables. When I try, to Run G4SEE input via \>\> katto@katto-pc:~/g4see/build$ g4see ~/g4see/myPro/rac.mac I get the fo… --- ## [Docker Login Issues](https://g4see-forum.web.cern.ch/t/docker-login-issues/23)
**Author:** [@micwilliam56](https://g4see-forum.web.cern.ch/u/micwilliam56)\ **Replies:** 3\ **Last updated:** [26 September 2022 13:37 UTC](https://g4see-forum.web.cern.ch/t/docker-login-issues/23 "2022-09-26T13:37:59Z")
I have not been able to get past the login to pull the latest G4SEE docker image. I’m not sure if my login was setup correctly or if my account needs to be activated by an admin --- ## [Open-source release of the G4SEE toolkit v0.5](https://g4see-forum.web.cern.ch/t/open-source-release-of-the-g4see-toolkit-v0-5/32)
**Author:** [@dlucsany](https://g4see-forum.web.cern.ch/u/dlucsany)\ **Replies:** 0\ **Last updated:** [26 September 2022 13:17 UTC](https://g4see-forum.web.cern.ch/t/open-source-release-of-the-g4see-toolkit-v0-5/32 "2022-09-26T13:17:10Z")
Dear future G4SEE Users and Collaborators! I am glad to announce that the G4SEE toolkit v0.5 has been finally released, and made fully public and open-source for the whole radiation effects community! G4SEE Reposit… --- ## [Simulations of electron and photon beams](https://g4see-forum.web.cern.ch/t/simulations-of-electron-and-photon-beams/21)
**Author:** [@acoronet](https://g4see-forum.web.cern.ch/u/acoronet)\ **Replies:** 0\ **Last updated:** [5 November 2021 12:54 UTC](https://g4see-forum.web.cern.ch/t/simulations-of-electron-and-photon-beams/21 "2021-11-05T12:54:53Z")
In order to simulate the SEU response of devices in the CLEAR facility at CERN, there will be need to perform simulations of high-energy electron and photon beams. Currently, these cannot be handled because the physics … --- ## [Nested sensitive volumes, Primary particle sources](https://g4see-forum.web.cern.ch/t/nested-sensitive-volumes-primary-particle-sources/20)
**Author:** [@acoronet](https://g4see-forum.web.cern.ch/u/acoronet)\ **Replies:** 1\ **Last updated:** [29 September 2021 19:16 UTC](https://g4see-forum.web.cern.ch/t/nested-sensitive-volumes-primary-particle-sources/20 "2021-09-29T19:16:07Z")
I have a dream list of features that can be added to expand the current potentialities of G4SEE. Inclusion of nested sensitive volumes may be needed to go beyond the standard single sensitive volume model. The benefit…