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PndSttHitProducerRealFast() depends on event type? [message #8228] Wed, 15 April 2009 16:23 Go to previous message
donghee is currently offline  donghee
Messages: 385
Registered: January 2009
Location: Germnay
first-grade participant
From: *kph.uni-mainz.de
Dear all,


During the debugging of my code, I found that Stt part was problem in my code.
When I try to use hit provider for STT detector, following class is called to digitize

PndSttHitProducerRealFast* sttHitProducer = new PndSttHitProducerRealFast();
fRun->AddTask(sttHitProducer);


But run is stopped with below message at certain event.
If I don't use this class, I can go to the end.
---------------------------------------------
DIGI EXECUTION *********************
Hit array contains 79 hits
*** Break *** floating point exception
---------------------------------------------


And one more strange thing is that some event can passing through without error.
Here is the output before crashing
---------------------------------------------
DIGI EXECUTION *********************
Hit array contains 107 hits
Event Number 0
caution: wrong drift time
caution: wrong drift time
caution: wrong drift time
caution: wrong drift time
Nr of Points: 4
-I- PndMvdHybridHitProducer: 4 PndMvdMCPoints, 3 Digi created. 3 (event 0)
-I- PndMvdNoiseProducer: Noise produced 0xStripRect 0xStripTrap 0xPixels
Ideal Hit Producer -Point-: 0xb5d5f50
-I- PndTofHitProducerIdeal: 1 TofPoints, 1 Hits created.
-I- PndTofHitProducerIdeal: 0 SciFTofPoints, 0 sciF Hits created.
---------------------------------------------

So, I assume that STT hit producer give up some calculation. I don't know how they decide it. Could anybody explain how STT class works?

Thank you!

 
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