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Re: new FTF generator in pandaroot [message #17338 is a reply to message #17335]

Tue, 23 September 2014 10:35

Aida Galoyan
Messages: 79
Registered: May 2007
Location: Dubna

continuous participant

From: *dubna.ru

Hi Donghee,

> What about random seed during the production?

In Geant4 and in FTF is used a random number generator
implemented in Pythia. It is not start
from a single number. It is not start from computer time.
To download final generator state
it is needed to open in PbarP.mac or PbarA.mac the line

//#saverand

If it is given #saverand, the state will be saved in file
initial.conf after each event.
It requires some additional time. After last event,
the state will be saved.
You can continue your job with final stored state,
if you open in the mac-files the following lines

//#initrand
//initial.conf

> If I do two times without change option string, output will be
> different?

No. It will be the same.

>./FTFGen PbarP.mac | mv FTF.root FTF_1.root
> ./FTFGen PbarP.mac | mv FTF.root FTF_2.root

It will be an exact copie.

> or Do I need some more action to get different events from output?

You'll need as described above.

Best regards!
Aida

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[Message index]

		new FTF generator in pandaroot By: Aida Galoyan on Thu, 04 September 2014 17:06
		Re: new FTF generator in pandaroot By: Anastasia Karavdina on Fri, 05 September 2014 08:47
		Re: new FTF generator in pandaroot By: Aida Galoyan on Fri, 05 September 2014 15:29
		Re: new FTF generator in pandaroot By: Anastasia Karavdina on Fri, 05 September 2014 16:23
		Re: new FTF generator in pandaroot By: Anastasia Karavdina on Tue, 16 September 2014 08:28
		Re: new FTF generator in pandaroot By: Anastasia Karavdina on Tue, 16 September 2014 14:33
		Re: new FTF generator in pandaroot By: Aida Galoyan on Wed, 17 September 2014 18:13
		Re: new FTF generator in pandaroot By: Anastasia Karavdina on Wed, 17 September 2014 20:03
		Re: new FTF generator in pandaroot By: donghee on Sun, 21 September 2014 10:55
		Re: new FTF generator in pandaroot By: Anastasia Karavdina on Sun, 21 September 2014 13:43
		Re: new FTF generator in pandaroot By: Aida Galoyan on Mon, 22 September 2014 11:48
		Re: new FTF generator in pandaroot By: donghee on Mon, 22 September 2014 17:11
		Re: new FTF generator in pandaroot By: donghee on Mon, 22 September 2014 19:10
		Re: new FTF generator in pandaroot By: Aida Galoyan on Tue, 23 September 2014 10:35
		Re: new FTF generator in pandaroot By: Aida Galoyan on Wed, 17 September 2014 21:42
		Re: new FTF generator in pandaroot By: donghee on Sun, 21 September 2014 00:57
		Re: new FTF generator in pandaroot By: Anastasia Karavdina on Sun, 21 September 2014 09:14
		Re: new FTF generator in pandaroot By: donghee on Mon, 22 September 2014 23:29
		Re: new FTF generator in pandaroot By: Aida Galoyan on Tue, 23 September 2014 10:58
		Re: new FTF generator in pandaroot By: donghee on Wed, 24 September 2014 12:47
		Re: new FTF generator in pandaroot By: Aida Galoyan on Wed, 24 September 2014 14:50
		Re: new FTF generator in pandaroot By: StefanoSpataro on Thu, 30 April 2015 17:58

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