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Forum: Hits, Digitization and Pileup
Re: Question No hits in daughter volumes (Rick Foster)
Re: None RE: No hits in daughter volumes (Makoto Asai)
Re: Feedback RE: No hits in daughter volumes (Rick Foster)
Date: 20 Sep, 2009
From: Jacques Goldberg <Jacques Goldberg>

On Tue, 06 Mar 2007 22:30:21 GMT, Rick Foster wrote:
> I added two files, the version that works and the one that does not.
> In the one that does not I simply changed the mother volume from the world
> to the Telescope.
> Thanks
> Rick
> The code that works:
> ********************

 .... skipped   ...
Having a similar problem I found this thread unachieved.
So, even so late, for the sake of the next one who may encouter it:

The two listings do not explicitly numerically define the physical placement of the intermediary volume (telescope) used as a mother volume in the second case. At the same time they both show the third level volumes (detectors) at well defined coordinates. These are defined with respect with the mother volume. Thus the location of the detectors with respect to World are not the same in both cases, unless the intermediate volumes (telescope) are always at (0,0,0).

This **may** be the answer - if my guess that the telescope may be elsewhere than at 0,0,0 in World, is correct.


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