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I agree with Mike's advice. The most robust solution is to place daughter volumes using placement volumes. This will work fine for a reasonable number of holes ( up to a few thousand at least. ) Just how many holes are we talking about ? Could you describe what you are trying to model ? Best regards, John =================================================== John Apostolakis, PH Department, CERN > On 03 Feb 2015, at 23:34, Ibrahim <email@example.com> wrote: > > > *** Discussion title: Geometry > > Dear all, > > I would like to construct a layer which contains many holes. How can I > construct such a geometry in Geant4? Is there a special software to > construct complex geometries in Geant4? > > Thanks in advance > > Brahim > > ------------------------------------------------------------- > Visit this GEANT4 at hypernews.slac.stanford.edu message (to reply or unsubscribe) at: > http://hypernews.slac.stanford.edu/HyperNews/geant4/get/geometry/1398.html
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