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Forum: Event and Track Management
Re: Question G4ErrorGeomVolumeTarget Question (Nicholas Kinnaird)
Date: 06 Jul, 2015
From: Pedro Arce <Pedro Arce>

On Tue, 16 Jun 2015 20:59:11 GMT, Nicholas Kinnaird wrote:
> Hi there, I had a question about using the G4ErrorGeomVolumeTarget that
> is available when using GEANT4E error propagation. Section
> (Geometry volume target) of the users guide claims that it is possible
> to track particles up until the volume target boundary is reached, or
> until the track exits the volume. While the former is the default and
> works nicely, it is unclear how to do the former. While it would be
> possible to do some volume checks manually as you step through
> (presteppoint vs poststeppoint kind of stuff), this seems to say that
> such a function is already built in. I'd rather not have to do it myself
> if there is some simple function name I can replace. I didn't find
> anything however after perusing the source code, and was unable to find
> any references to this searching the web. At this point I wouldn't think
> such a thing existed at all, if there wasn't that one sentence in the
> users guide claiming this was possible. Does anyone have any idea on
> what I'm looking for here?

You are right, the option of exiting the volume does not exist. I don't recall if I ever implemented it, but today it does not have much sense to me. I will correct the User's Guide

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