Hi John,
indeed multiple scattering will change the original incoming direction,
however the original direction is not kept it FLUKA but rather the C[XYZ]TRCK
contain the direction at the end of the step or for beginning of the next step.
Therefore I would suggest to store this information for each particle, maybe
the best place would be the user variables that are carried along each particle
(SPAREK, ISPARK). You initialize them on the creation of the particle inside
the routines like STUPRF STUPRE and update them after each step in MGDRAW
Cheers=
Vasilis Vlachoudis
Dep EN, CERN=
CH-1211 GENEVA 23
SWITZERLAND
Phone: +41-22 767 9851
GSM: +41-76 487 4378
Fax: +41-22 766 9644
Received on Thu Jan 12 2012 - 10:41:08 CET
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