[Gate-users] Gate version 6.2 idling issue (a seed generator issue ?)

Hermann Fuchs hermann.fuchs at meduniwien.ac.at
Fri Mar 15 10:59:53 CET 2013


We have encountered similar issues with Gate 6.1. It seems to be somehow
connected to PET/SPECT. It doesn't occur in Radiotherapy simulations.

Our workaround, change the seed manually and restart. Usually this

A more permanent solution would be greatly appreciated, though.

Best regards,
On Tue, 2013-03-12 at 15:59 +0100, Emmanuel BRARD wrote:
> I have encountered some difficulties in using Gate version 6.2 : when
> I try to launch a simulation, quite often Gate got stuck no do
> nothing. This seems to be related to the random engine. From time to
> time it seems that the random engine (in auto mode) gets a wrong seed
> (a negative one for example) and get stuck there. I tried providing my
> own seed from a file, and even though the seed seems to be taken into
> account, the result from the simulation (the dat files)  are always
> the same (a diff command yields no difference).  This can be repeated
> using any random engine provided. 
> Thank you,
> EB.
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DI Hermann Fuchs
Christian Doppler Laboratory for Medical Radiation Research for Radiation Oncology
Department of Radiation Oncology
Medical University Vienna
Währinger Gürtel 18-20
A-1090 Wien

Tel.  + 43 / 1 / 40 400 7271
Mail. hermann.fuchs at meduniwien.ac.at
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