: [Gate-users] Gate_v4.0.0

[dounia84 at aol.com]

 Hello,
I managed to install gate v4 on my Ubuntu system. I launched the benchmarkPET macro and asked for root output. I get these :



Gate results    My result             Relative difference


decays         3.68 E +07      3.68213 E+07        0.017%
random        20568              23605                    14%
unscattered  311778            311935                  0.05%
scattered     369915             372508                  0.7%
Ohalflife       123.316 s        122.057 s              1%
acolinearity    0.6063 deg     0.584834 deg         3.5%

Since my great number of random coincidences I put in comment the line that mentions the CLHEP::MTwistEngine randomEngine. I get exactly the same resluts... Does this mean I made something wrong while the installation? What is this function MersennetwistEngine doing actually? Are these results (available on the  gate website) still right?
THANKS IN ADVANC
E FOR ANY ANSWERS...

Dounia Taleb
Imagerie medicale experimentale - Département de physique
Université de Liège - Institut de Physique, B5
B-4000 Liège 1 (Sart-Tilman) - Belgique
Tel: +32-4-3663152













 



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