# \#bug\_report **URL:** https://castor-project.discourse.group/tag/bug-report/4.md [Latest](https://castor-project.discourse.group/latest.md) · [Categories](https://castor-project.discourse.group/categories.md) · [Tags](https://castor-project.discourse.group/tags.md) --- ## [Segmentation violation in castor-GATEMacToGeom for castor v3.2.1](https://castor-project.discourse.group/t/segmentation-violation-in-castor-gatemactogeom-for-castor-v3-2-1/1343)
**Author:** [@kochebina](https://castor-project.discourse.group/u/kochebina)\ **Replies:** 1\ **Last updated:** [February 4, 2026, 8:21pm UTC](https://castor-project.discourse.group/t/segmentation-violation-in-castor-gatemactogeom-for-castor-v3-2-1/1343 "2026-02-04T20:21:41Z")
Dear castor experts and developers, I have a Segmentation violation in castor-GATEMacToGeom for castor v3.2.1, compiled with root 6.32.02. Interestingly, the same exe in the same configuration works fine in castor v.3.1… --- ## [Problem running GATERootToCastor](https://castor-project.discourse.group/t/problem-running-gateroottocastor/896)
**Author:** [@imbeatrizp](https://castor-project.discourse.group/u/imbeatrizp)\ **Replies:** 4\ **Last updated:** [October 20, 2025, 9:40am UTC](https://castor-project.discourse.group/t/problem-running-gateroottocastor/896 "2025-10-20T09:40:26Z")
Hi everyone! I am trying to reconstruct an output of a voxelised simulation in a PET/CT system resulted from GATE. I started by applying castor-GATEMacToGeom to generate a geom file from my scanner GE D690 compatible w… --- ## [Twice attenuation correction for randoms and scatter correction factors?](https://castor-project.discourse.group/t/twice-attenuation-correction-for-randoms-and-scatter-correction-factors/1189)
**Author:** [@seanlam](https://castor-project.discourse.group/u/seanlam)\ **Replies:** 0\ **Last updated:** [September 12, 2025, 9:44am UTC](https://castor-project.discourse.group/t/twice-attenuation-correction-for-randoms-and-scatter-correction-factors/1189 "2025-09-12T09:44:45Z")
Dear developer Recently, some strange things have happened during my reconstruction attempts. In my understanding, With ac factor and norm factor in both CDF and Normalization file is the right way to reconstruct pet i… --- ## [Problem with layers\_step\_axl not being set in castor-GATEMacToGeom v3.2.1](https://castor-project.discourse.group/t/problem-with-layers-step-axl-not-being-set-in-castor-gatemactogeom-v3-2-1/1069)
**Author:** [@mastergari](https://castor-project.discourse.group/u/mastergari)\ **Replies:** 13\ **Last updated:** [June 6, 2025, 9:12pm UTC](https://castor-project.discourse.group/t/problem-with-layers-step-axl-not-being-set-in-castor-gatemactogeom-v3-2-1/1069 "2025-06-06T21:12:48Z")
Hi all, I’ve just started using CASToR and encountered an issue when converting a GATE PET macro to a castor geometry file. The conversion is successful with v3.1.1 but fails with v3.2.1, so the issue appears to be rela… --- ## [castor-GATEMacToGeom program crashes](https://castor-project.discourse.group/t/castor-gatemactogeom-program-crashes/676)
**Author:** [@dsiwal](https://castor-project.discourse.group/u/dsiwal)\ **Replies:** 1\ **Last updated:** [December 17, 2023, 11:43am UTC](https://castor-project.discourse.group/t/castor-gatemactogeom-program-crashes/676 "2023-12-17T11:43:36Z")
Dear castor users and experts I am trying to get .geom file from castor-GATEMacToGeom command, but the program crashes with the following message dsiwal@nucphysics:/home/dsiwal/GateExample/AnimalPET/ZaidiArray $castor… --- ## [How to compile the tookits, like dataConversion.cc in win platform to .exe?](https://castor-project.discourse.group/t/how-to-compile-the-tookits-like-dataconversion-cc-in-win-platform-to-exe/580)
**Author:** [@alimafukuro](https://castor-project.discourse.group/u/alimafukuro)\ **Replies:** 5\ **Last updated:** [August 10, 2023, 2:28am UTC](https://castor-project.discourse.group/t/how-to-compile-the-tookits-like-dataconversion-cc-in-win-platform-to-exe/580 "2023-08-10T02:28:52Z")
I have read the general documentation for thousands times about the utilities like dataConversion, I thought it’s necessary to install corresponding ROOT library to finish this, but the software version demonstrated in t… --- ## [Possible contribution: how to proceed?](https://castor-project.discourse.group/t/possible-contribution-how-to-proceed/461)
**Author:** [@Maxime\_Toussaint](https://castor-project.discourse.group/u/Maxime_Toussaint)\ **Replies:** 6\ **Last updated:** [January 6, 2023, 3:58pm UTC](https://castor-project.discourse.group/t/possible-contribution-how-to-proceed/461 "2023-01-06T15:58:49Z")
Greetings, I recently decided to try to contribute to the CASToR software since the developer took the time to provide us such an easy way to do so. However, I must admit I am not sure how to proceed when it is not for … --- ## [Proposal for multiSiddon position/orientation for detector with non-zero axial component](https://castor-project.discourse.group/t/proposal-for-multisiddon-position-orientation-for-detector-with-non-zero-axial-component/460)
**Author:** [@Maxime\_Toussaint](https://castor-project.discourse.group/u/Maxime_Toussaint)\ **Replies:** 1\ **Last updated:** [January 5, 2023, 4:29pm UTC](https://castor-project.discourse.group/t/proposal-for-multisiddon-position-orientation-for-detector-with-non-zero-axial-component/460 "2023-01-05T16:29:20Z")
Greetings, Disclaimer: To the best of my knowledge, the following only affect scanner with detector’ orientation that have a non-zero Z component and if the multiSiddon projector is used. In that specific cases, I beli… --- ## [CASToR Gitlab : What is it, and how to use it?](https://castor-project.discourse.group/t/castor-gitlab-what-is-it-and-how-to-use-it/457)
**Author:** [@tmerlin](https://castor-project.discourse.group/u/tmerlin)\ **Replies:** 0\ **Last updated:** [December 20, 2022, 6:52pm UTC](https://castor-project.discourse.group/t/castor-gitlab-what-is-it-and-how-to-use-it/457 "2022-12-20T18:52:44Z")
The CASToR Gitlab can be accessed at the following link: https://gitlab.com/castor-collaboration It contains different branches of CASToR which are currently being developed. Providing the access to the development bra…