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Forum: Geometry
Re: Warning Infinite loop in G4SubtractionSolid::DistanceToIn() (Svetlana Biktemerova)
Re: Question Re: Infinite loop in G4SubtractionSolid::DistanceToIn() (Gabriele Cosmo)
Re: Question Re: Infinite loop in G4SubtractionSolid::DistanceToIn() (Linda Schnorrenberger)
Date: 03 Sep, 2010
From: Gabriele Cosmo <Gabriele Cosmo>

Hi Linda,

> Has there been a bug fix on that problem since March 2009?
> (I am using geant4 version 4.9.0 and CLHEP 2.0.3.1)

Please, take a look at the bug reporting system for this specific issue:
  http://bugzilla-geant4.kek.jp/show_bug.cgi?id=1052

> My two solids, that I subtract have exactly the same z length. Do you think it would help,
>  if I make the G4Cons slightly longer? I guess the problem occurs due to the 
> faces at +/- 20 cm in z, where the G4Cons is beeing subtracted? 

As expressed in the documentation, you should avoid to have shared
surfaces among the constituent volumes when applying a Boolean subtraction.

Cheers, Gabriele

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1 Question: Re: Infinite loop in G4SubtractionSolid::DistanceToIn()   (Linda Schnorrenberger - 12 Nov, 2010)
(_ None: Re: Infinite loop in G4SubtractionSolid::DistanceToIn()   (Tatiana Nikitina - 15 Nov, 2010)
(_ None: Re: Infinite loop in G4SubtractionSolid::DistanceToIn()   (Linda Schnorrenberger - 15 Nov, 2010)
(_ None: Re: Infinite loop in G4SubtractionSolid::DistanceToIn()   (Tatiana Nikitina - 15 Nov, 2010)
(_ None: Re: Infinite loop in G4SubtractionSolid::DistanceToIn()   (Linda Schnorrenberger - 23 Nov, 2010)
(_ None: Re: Infinite loop in G4SubtractionSolid::DistanceToIn()   (Tatiana Nikitina - 24 Nov, 2010)
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