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Dear GATE users, I suspect that the optical surface definition is incorrect in the GATE documentation sample code: /gate/Volume2/surfaces/name Surface-From-Volume1-To-Volume2 /gate/Volume2/surfaces/insert Volume1 /gate/Volume2/surfaces/Surface-From-Volume1-To-Volume2/SetSurface Surface_name In my code, I set: ![image](https://user-images.githubusercontent.com/8493107/181482167-f2d1ef31-0f5b-4061-aa6e-aca0b9108aae.png)...

Only coincidences made of two singles are written in PET tree coincidence format

**Describe the bug** The test5 (pet) failed for all tests on Github Actions. **Desktop (please complete the following information):** - Github actions **Additional context** The error was introduced after the...

**Describe the bug** With Geant4 v11, the visualisation is not correct: eg: the world wireframes are not display **Desktop (please complete the following information):** - OS: MacOs 12.3.1 and Linux...

investigate

**Description** There are two flags available that denote the number of Compton or Rayleigh interactions that a photon underwent in a phantom, called `nPhantomCompton` and `nPhantomRayleigh`. We noticed that the...

Currently jobsplitter seems to multiply integer time values set setTimeSlice, setTimeStart and setTimeStop by 10 in the virtual versions because of this [line](https://github.com/OpenGATE/Gate/blob/develop/cluster_tools/jobsplitter/src/GateMacfileParser.cc#L396) and the other similar ones later on....

Hi! I’m trying to reproduce the expected behaviour of e+e- annihilation into two non-collinear gammas, with a deviation of 180 degrees following a distribution with sigma 0.5 degrees in my...

I'm trying optical simulation using Gate V9.2 compiled with option GATE_USE_OPTICAL=ON. I found a good example "LUTDavisModel" in "GateContrib/imaging" which use opticaladder mode. Running the example, we got a root...

I ran into the problem, because a colleague of mine edited a material database file on windows, causing the newlines to be changed into `\r\n`. When starting the GATE simulation...

**Describe the bug** The optical simulation is NOT working with vGATE v9.1. Error message is as following [G4- 0 cerr] ***** COMMAND NOT FOUND ***** It seems like that optical...