[Gate-users] Delayed coincidence offset (Peter at Griffin)

Navid Zeraatkar navid_zeraatkar at yahoo.com
Thu May 7 19:12:19 CEST 2009


Try offset=500ns.
 Navid Zeraatkar 

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Subject: Gate-users Digest, Vol 36, Issue 6

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Today's Topics:

  1. Delayed coincidence offset (Peter at Griffin)


Message: 1
Date: Wed, 6 May 2009 14:55:12 -0400
From: "Peter at Griffin" <peter.bloomfield at camhpet.ca>
Subject: [Gate-users] Delayed coincidence offset
To: gate-users at lists.healthgrid.org
Message-ID: <200905061455.12689.peter.bloomfield at camhpet.ca>
Content-Type: text/plain;  charset="us-ascii"

Dear All,

I am trying to define a delayed coincidence window for a PET system using the following lines,
    /gate/digitizer/name delay
    /gate/digitizer/insert coincidenceSorter
    /gate/digitizer/delay/setInputName Singles
    /gate/digitizer/delay/setOffset 100. ns 
    /gate/digitizer/delay/setWindow 3.0 ns 

but the simulation crashes with the following error
    Delayed coincidences offset (1.00000000e-07 sec) should be bigger or equal to 5.00000000e-07 sec

Any suggestions will be greatly appreciated, thanks



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