Message: Re: Multiple Geometry Updates Necessary? Not Logged In (login)
 Next-in-Thread Next-in-Thread
 Next-in-Forum Next-in-Forum

None Re: Multiple Geometry Updates Necessary? 

Forum: Geometry
Re: Question Multiple Geometry Updates Necessary? (Daniel Mittelberger)
Date: 30 May, 2007
From: Vladimir IVANTCHENKO <vnivanch@mail.cern.ch>

On Wed, 30 May 2007, Daniel Mittelberger wrote:

> *** Discussion title: Geometry
> Email replies to PublicHyperNews@slac.stanford.edu must include:
>   In-Reply-To: <"/geometry/733"@geant4-hn.slac.stanford.edu>
>   Subject: ...change this to be about your reply.
> 
> I have built a simualation of a detector consisting of a central
> cylinder surrounded by a four annular segments that completely jacket the
> cylinder.  I've added several UI commands to move/rotate the detector, but
> I need to update the geometry several times after changing the geometry.
> At first, I though it might just be a visualization problem (I'm using
> OGLIX), but I've run simulations with one setup, updated the geometry with
> out changing it and run more events, and repeated this.  It gives
> different results, even though the geometry hasn't changed.  Has anyone
> seen a similar error?  The simulation is build off of the TestEm5 example.
> Please let me know what other information would be helpful.
> 

Hello,

Do you start second run with the same random seed? 

VI

Inline Depth:
 1 1
 All All
Outline Depth:
 1 1
 2 2
 All All
Add message: (add)

1 None: Re: Multiple Geometry Updates Necessary?   (Daniel Mittelberger - 30 May, 2007)
(_ None: RE: Multiple Geometry Updates Necessary?   (Makoto Asai - 30 May, 2007)
(_ None: RE: Multiple Geometry Updates Necessary?   (Daniel Mittelberger - 30 May, 2007)
(_ None: RE: Multiple Geometry Updates Necessary?   (Makoto Asai - 30 May, 2007)
(_ None: RE: Multiple Geometry Updates Necessary?   (Daniel Mittelberger - 31 May, 2007)
 Add Message Add Message
to: "Re: Multiple Geometry Updates Necessary?"

 Subscribe Subscribe

This site runs SLAC HyperNews version 1.11-slac-98, derived from the original HyperNews


[ Geant 4 Home | Geant 4 HyperNews | Search | Request New Forum | Feedback ]