|Message: Re: what's the meaning of the plowNorm in the G4CutTubs||Not Logged In (login)|
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On Thu, 25 Aug 2016 02:01:06 GMT, Juice Dove wrote:
> I want to know what the plowNorm represents in the G4CutTubs. I can't understand the explain in > the User's Guide.Thank you
There are two extra parameters for G4CutTubs compared to the plain cylinder G4Tubs. pLowNorm (notice the uppercase "L") and pHiNorm. Both of them are three-vectors, and indicate the outward normal vector to the plane which cuts the cylinder at -Z and +Z respectively.
If you were using G4CutTubs to create a plain ordinary cylinder, then pLowNorm = (0,0,-1) and pHiNorm = (0,0,1).
If you want to create a cylinder with 45-degree bevels at both ends, you might choose pLowNorm = (0,1,-1) and pHiNorm = (0,1,1).
-- Michael Kelsey
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