[Gate-users] Gate 3.1.2 vs Gate 4.0

Niklas Rehfeld rehfeld at imnc.in2p3.fr
Wed Dec 31 16:54:32 CET 2008

Dear Hyejoo,

Could you please post the two mac-Files?

Thank you!

Happy new year!


On Wed, 31 Dec 2008 16:32:40 +0100, <kangh at mskcc.org> wrote:

> Hi Seb and gate users,
> I rad simulation jobs with the same macro with Gate 3.1.2 and Gate 4.0
> separately.  Following figures show the results of sinogramS and
> sinogramTheta. I ran a voxelized phantom and source to generate these
> plots.
> In my previous email, I asked whether the difference I saw in those two
> parameters might come from using the fictitious tracking algorithm.  I
> think there are basic differences between two versions as shown in the
> figures.   The peak at 0 of the plot of sinogramS for Gate3.1.2 becomes
> less distinct for Gate 4.0.  Also, the dip around 180 degrees for
> sinogramTheta becomes bigger for Gate 4.0.  This is the same tendency I
> saw with the fictitious tracking option.   Did anyone see the difference
> between two versions? Also, are  these differences expected or not
> important?
> Thanks and happy new year!
> Hyejoo
>            <<Picture (Device Independent Bitmap)>>
>        <<Picture (Device Independent Bitmap)>>
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