[gate-users] Image Quality Phantom

[Mutanga Theodore]

Hi Ross ,
thanks for the reply , I thought about that too.. using two box sources
actually. one enclosing the four spheres in the upper half of the phantom
and one other box source enclosing the other two spheres below. I'll try
that tonight and see if I get something. I had some runs with it as it was
without background though and it worked pretty well but it didn't pass the
geometry test.

Cheers

Theodore

Thanks
Theo
> Hi Theo,
>
> I haven't used this phantom for anything yet but perhaps the easiest way
> is to use large box source and then use the confine command.  No too
> efficient but it shouldn't be too slow.
>
> ross
>
> -----Original Message-----
> From: gate-users-bounces at lphe1pet1.epfl.ch
> [mailto:gate-users-bounces at lphe1pet1.epfl.ch] On Behalf Of Mutanga
> Theodore
> Sent: Monday, January 17, 2005 5:58 AM
> To: GATE feedback and helpline for Users
> Subject: RE: [gate-users] Image Quality Phantom
>
>
> Hi Ross, sorry to bother you again, but How do you set the bacground
> source in your Image quality macros? I tried to creat sources for the
> four parts of the phantom to act as background.  But the GPS commands
> does permit me to use commands like /setPhiStart 0. deg /setDeltaPhi
> 180. deg
>
> so its a bit hard to set background sources using  the four parts of the
> phantom without overlap. I will be greatful for your help.
>
> Theo
>
>> Hi Theodore,
>>
>> I wrote one up some time ago when I was getting started with Gate.  I
>> haven't used it much but it should be OK.
>>
>> ross
>>
>> -----Original Message-----
>> From: gate-users-bounces at lphe1pet1.epfl.ch
>> [mailto:gate-users-bounces at lphe1pet1.epfl.ch] On Behalf Of Mutanga
>> Theodore
>> Sent: Monday, December 27, 2004 5:47 PM
>> To: gate-users at lphe1pet1.epfl.ch
>> Subject: [gate-users] Image Quality Phantom
>>
>>
>> Hello,
>> does anyone have a macro for simulating the geometry including sources
>
>> as depicted in the NEMA IQ phantom ? I need both the volumes and
>> inserts with sources
>>
>> Cheers
>>
>>
>> Theodore
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>
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