Parallel cylinder

Geometry, Fields and Transportation
1

Hello everyone,
How to define cylinder parallel to x-axis or y-axis.
Thank you

2

define cylinder (which is initially parallel to z-axis) and rotate accordingly.

https://geant4-userdoc.web.cern.ch/UsersGuides/ForApplicationDeveloper/html/Fundamentals/global.html?highlight=g4rotationmatrix#typedefs-to-clhep-classes-and-their-usage

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3

It may be benefict to spend some time to study carefully example extended/geometry/transforms. See picture attached.

In many simple situations, the axial rotations method is the most intuitive approach.
in your case a rotation of pi/2 around y-axis

Capture d’écran 2022-12-05 à 11.27.09
Capture d’écran 2022-12-05 à 11.27.091288×1284 84 KB

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4

Thank you very much Weller.

5

Thank you very much Maire.
I can see in the image.

6

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