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Forum: Geometry
Re: Question Rotation convention using GDML? (Klas Marcks)
Date: 02 Apr, 2015
From: John Allison <John Allison>

Have a look at the previous thread - particularly my contribution:

The normal way of seeing rotations is that a positive rotation is counter-clockwise about an axis that points towards you. In the 2D x-y-plane when you use r-theta polar coordinates, the theta angle goes counter-clockwise from the x-axis; it's the same in 3D because the z-axis points towards you when viewing the normal x-y-plane in a right-handed coordinate system.

I can't speak for the GDML manual.

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1 None: Re: Rotation convention using GDML?   (Klas Marcks - 06 Apr, 2015)
(_ None: Re: Rotation convention using GDML?   (Witek Pokorski - 08 Apr, 2015)
(_ Ok: Re: Rotation convention using GDML?   (Klas Marcks - 08 Apr, 2015)
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