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Question Solids whose surface is described by a set of coordinates 

Forum: Geometry
Date: 26 Apr, 2016
From: Maura E.M. <Maura E.M.>

Dear GEANT4 geometry experts, I got my first my first modeling challenge. I was given the drawings describing accurately a Linac Flattening Filter that is usually loosely modelled as a cone sitting on a small cylinder. I am requested to model it as from the drawings where the external surface profile is defined by an ordered set of (x,y) coordinates (plase, see attachment). I can interpolate the given points through MatLab and fit a curve. The external FF surface would be generated by rotating the plane curve around some straight line (the axis) that lies on the same plane. I believe Geant4 allows to build such Revolution Solids. I never dealt with that before. I would greatly appreciate seeing some examples of similar cases. I feel this is likely to regarded as a special component. Thank you so much Best regards, Mauede Attachment: http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2016/04/26/17.50-40923-ernal_Surface_Profile.pdf

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1 None: Re: Solids whose surface is described by a set of coordinates   (John Apostolakis - 27 Apr, 2016)
2 Agree: Re: Solids whose surface is described by a set of coordinates   (Michael H. Kelsey - 27 Apr, 2016)
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