[Gate-users] Defining a Cold Source

[Simon Stute]

Hi,

Sources are always overlapping so their respective activities are added.
A cold source equals to no source, so just define nothing in this case.
Defining a 0 activity source over another one will have no effect.
So a cold hole in a hot source can only be defined with the FORBID command.

Cheers,
Simon

On Wed, May 9, 2012 at 12:45 PM, Nicolas GUIGNARD <
nicolas.guignard8 at gmail.com> wrote:

> Hello
> I would like to know about defining a cold source in PET simulation. Its
> said in documentation to define source and some activity after this
> use FORBID command. BUT if we define ZERO activity in the source *then*
> *Will
> it be same cold source without using forbid command??*
> *or there will be any difference in simulation result??*
> **
> Thanks
> regards
> Nicolas
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