From: Mina Nozar <nozarm_at_triumf.ca>

Date: Wed, 18 May 2011 14:15:08 -0700

Date: Wed, 18 May 2011 14:15:08 -0700

Hello,

I am working with a geometry with two sets of axes (x,y,z) and (x,y',z')

or rotation about x by some angle. A subset of the geometry, beam pipe

and target assembly are in the (x,y',z') coordinates and the rest

(shielding mainly) is in the x,y,z coordinates.

I do the rotation using ROT-DEFI and $start_transform, $stop_transform.

I start the beam inside the rotated coordinates (x,y',z'). I am

wondering what the and y coordinates of the beam refer to in this case?

Are x and y position of the beam with respect to the rotated

coordinate system? I set a 'cosy' to align the beam with the centerline

of the beam pipe and target assembly.

I am a new fluka user and hope my question above is clear. Is there a

way to visualise the beam when looking at the geometry? Is there a way

to check that the beam is in fact going through the center of the target?

Thanks and best wishes,

Mina

Received on Thu May 19 2011 - 00:43:58 CEST

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