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Forum: Run Management
Re: None Untitled (Victor)
Date: 19 Jul, 2011
From: Robert Penny <Robert Penny>

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Are you doing optical modeling?  In the past I have had stuck photons =
that cause the simulation to just freeze with a photon bouncing back and =
forth and never hitting the detector. You might try making sure you have =
a  finite optical absorption length defined in all materials.  Unless =
the photon is stuck in an surface layer then this should kill the track =
after it's been alive for too long.

-Rob Penny.

-----Original Message-----
From: douglas@slac.stanford.edu on behalf of Victor Khristenko
Sent: Tue 7/19/2011 4:13 PM
To: runmanage-g4hn@slac.stanford.edu
Subject: Untitled
=20

*** Discussion title: Run Management

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Hi,

I'm trying to do a big number of event( up to 1000000), but simulation
usually stops around 60000. I mean that the  event number doesn't =
refresh on
the screen.
Could you please help me figure out what causes the problem???

Victor.

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Hi,<br><br>I'm trying to do a big number of event( up to 1000000), but =
=3D
simulation usually stops around 60000. I mean that the=3DA0 event number =
does=3D
n't refresh on the screen.<br>Could you please help me figure out what =
=3D
causes the problem???<br>
<br>Victor.<br>

--0016e64c0a86f53b8804a8744395--

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<P><FONT SIZE=3D2>Are you doing optical modeling?&nbsp; In the past I =
have had stuck photons that cause the simulation to just freeze with a =
photon bouncing back and forth and never hitting the detector. You might =
try making sure you have a&nbsp; finite optical absorption length =
defined in all materials.&nbsp; Unless the photon is stuck in an surface =
layer then this should kill the track after it's been alive for too =
long.<BR>
<BR>
-Rob Penny.<BR>
<BR>
-----Original Message-----<BR>
From: douglas@slac.stanford.edu on behalf of Victor Khristenko<BR>
Sent: Tue 7/19/2011 4:13 PM<BR>
To: runmanage-g4hn@slac.stanford.edu<BR>
Subject: Untitled<BR>
<BR>
<BR>
*** Discussion title: Run Management<BR>
<BR>
--0016e64c0a86f53b8804a8744395<BR>
Content-Type: text/plain; charset=3DISO-8859-1<BR>
<BR>
Hi,<BR>
<BR>
I'm trying to do a big number of event( up to 1000000), but =
simulation<BR>
usually stops around 60000. I mean that the&nbsp; event number doesn't =
refresh on<BR>
the screen.<BR>
Could you please help me figure out what causes the problem???<BR>
<BR>
Victor.<BR>
<BR>
--0016e64c0a86f53b8804a8744395<BR>
Content-Type: text/html; charset=3DISO-8859-1<BR>
Content-Transfer-Encoding: quoted-printable<BR>
<BR>
Hi,&lt;br&gt;&lt;br&gt;I'm trying to do a big number of event( up to =
1000000), but =3D<BR>
simulation usually stops around 60000. I mean that the=3DA0 event number =
does=3D<BR>
n't refresh on the screen.&lt;br&gt;Could you please help me figure out =
what =3D<BR>
causes the problem???&lt;br&gt;<BR>
&lt;br&gt;Victor.&lt;br&gt;<BR>
<BR>
--0016e64c0a86f53b8804a8744395--<BR>
<BR>
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Visit this GEANT4 at hypernews.slac.stanford.edu message (to reply or =
unsubscribe) at:<BR>
<A =
HREF=3D"http://hypernews.slac.stanford.edu/HyperNews/geant4/get/runmanage=
/311.html">http://hypernews.slac.stanford.edu/HyperNews/geant4/get/runman=
age/311.html</A><BR>
<BR>
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